syzbot


ID Workflow Result Correct Bug Created Started Finished Revision Error
46cb148f-a0a7-4d3d-8c09-ea46632ee573 assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ possible deadlock in serial8250_handle_irq (2) 2026/05/16 01:02 2026/05/16 01:02 2026/05/16 01:56 efdaf0f9b8bfc56ea6d17bea15a64f4591cc712d
Agent: prod-syz-agent-3

Inputs:
BaseBranch master
BaseCommit RC
BaseRepository git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
BugTitle possible deadlock in serial8250_handle_irq
CrashLogID 6185744411918336
CrashReportID 4580199737327616
KernelCommit 8d8bd2a5aa980efaf39b3f46eb1bfd0b5da54453
KernelConfig
Show (279898 bytes)
#
# Automatically generated file; DO NOT EDIT.
# Linux/x86_64 syzkaller Kernel Configuration
#
CONFIG_CC_VERSION_TEXT="gcc (Debian 14.2.0-19) 14.2.0"
CONFIG_CC_IS_GCC=y
CONFIG_GCC_VERSION=140200
CONFIG_CLANG_VERSION=0
CONFIG_AS_IS_GNU=y
CONFIG_AS_VERSION=24400
CONFIG_LD_IS_BFD=y
CONFIG_LD_VERSION=24400
CONFIG_LLD_VERSION=0
CONFIG_RUSTC_VERSION=109101
CONFIG_RUST_IS_AVAILABLE=y
CONFIG_RUSTC_LLVM_VERSION=210102
CONFIG_CC_CAN_LINK=y
CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y
CONFIG_CC_HAS_ASM_GOTO_TIED_OUTPUT=y
CONFIG_TOOLS_SUPPORT_RELR=y
CONFIG_CC_HAS_ASM_INLINE=y
CONFIG_CC_HAS_ASSUME=y
CONFIG_CC_HAS_NO_PROFILE_FN_ATTR=y
CONFIG_LD_CAN_USE_KEEP_IN_OVERLAY=y
CONFIG_RUSTC_HAS_SLICE_AS_FLATTENED=y
CONFIG_RUSTC_HAS_COERCE_POINTEE=y
CONFIG_RUSTC_HAS_SPAN_FILE=y
CONFIG_RUSTC_HAS_UNNECESSARY_TRANSMUTES=y
CONFIG_RUSTC_HAS_FILE_WITH_NUL=y
CONFIG_RUSTC_HAS_FILE_AS_C_STR=y
CONFIG_PAHOLE_VERSION=130
CONFIG_CONSTRUCTORS=y
CONFIG_IRQ_WORK=y
CONFIG_BUILDTIME_TABLE_SORT=y
CONFIG_THREAD_INFO_IN_TASK=y

#
# General setup
#
CONFIG_INIT_ENV_ARG_LIMIT=32
# CONFIG_COMPILE_TEST is not set
# CONFIG_WERROR is not set
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_BUILD_SALT=""
CONFIG_HAVE_KERNEL_GZIP=y
CONFIG_HAVE_KERNEL_BZIP2=y
CONFIG_HAVE_KERNEL_LZMA=y
CONFIG_HAVE_KERNEL_XZ=y
CONFIG_HAVE_KERNEL_LZO=y
CONFIG_HAVE_KERNEL_LZ4=y
CONFIG_HAVE_KERNEL_ZSTD=y
CONFIG_KERNEL_GZIP=y
# CONFIG_KERNEL_BZIP2 is not set
# CONFIG_KERNEL_LZMA is not set
# CONFIG_KERNEL_XZ is not set
# CONFIG_KERNEL_LZO is not set
# CONFIG_KERNEL_LZ4 is not set
# CONFIG_KERNEL_ZSTD is not set
CONFIG_DEFAULT_INIT=""
CONFIG_DEFAULT_HOSTNAME="(none)"
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
CONFIG_SYSVIPC_COMPAT=y
CONFIG_POSIX_MQUEUE=y
CONFIG_POSIX_MQUEUE_SYSCTL=y
CONFIG_WATCH_QUEUE=y
CONFIG_CROSS_MEMORY_ATTACH=y
CONFIG_AUDIT=y
CONFIG_HAVE_ARCH_AUDITSYSCALL=y
CONFIG_AUDITSYSCALL=y

#
# IRQ subsystem
#
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK=y
CONFIG_GENERIC_PENDING_IRQ=y
CONFIG_GENERIC_IRQ_MIGRATION=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_DOMAIN_HIERARCHY=y
CONFIG_GENERIC_MSI_IRQ=y
CONFIG_GENERIC_IRQ_MATRIX_ALLOCATOR=y
CONFIG_GENERIC_IRQ_RESERVATION_MODE=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_SPARSE_IRQ=y
# CONFIG_GENERIC_IRQ_DEBUGFS is not set
# end of IRQ subsystem

CONFIG_CLOCKSOURCE_WATCHDOG=y
CONFIG_ARCH_CLOCKSOURCE_INIT=y
CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y
CONFIG_GENERIC_CLOCKEVENTS_BROADCAST_IDLE=y
CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_HAVE_POSIX_CPU_TIMERS_TASK_WORK=y
CONFIG_POSIX_CPU_TIMERS_TASK_WORK=y
CONFIG_CONTEXT_TRACKING=y
CONFIG_CONTEXT_TRACKING_IDLE=y

#
# Timers subsystem
#
CONFIG_TICK_ONESHOT=y
CONFIG_NO_HZ_COMMON=y
# CONFIG_HZ_PERIODIC is not set
CONFIG_NO_HZ_IDLE=y
# CONFIG_NO_HZ_FULL is not set
CONFIG_CONTEXT_TRACKING_USER=y
# CONFIG_CONTEXT_TRACKING_USER_FORCE is not set
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_CLOCKSOURCE_WATCHDOG_MAX_SKEW_US=125
CONFIG_POSIX_AUX_CLOCKS=y
# end of Timers subsystem

CONFIG_BPF=y
CONFIG_HAVE_EBPF_JIT=y
CONFIG_ARCH_WANT_DEFAULT_BPF_JIT=y

#
# BPF subsystem
#
CONFIG_BPF_SYSCALL=y
CONFIG_BPF_JIT=y
# CONFIG_BPF_JIT_ALWAYS_ON is not set
CONFIG_BPF_JIT_DEFAULT_ON=y
# CONFIG_BPF_UNPRIV_DEFAULT_OFF is not set
CONFIG_BPF_PRELOAD=y
CONFIG_BPF_PRELOAD_UMD=y
CONFIG_BPF_LSM=y
# end of BPF subsystem

CONFIG_PREEMPT_BUILD=y
CONFIG_ARCH_HAS_PREEMPT_LAZY=y
CONFIG_PREEMPT=y
# CONFIG_PREEMPT_LAZY is not set
# CONFIG_PREEMPT_RT is not set
CONFIG_PREEMPT_COUNT=y
CONFIG_PREEMPTION=y
CONFIG_PREEMPT_DYNAMIC=y
CONFIG_SCHED_CORE=y

#
# CPU/Task time and stats accounting
#
CONFIG_VIRT_CPU_ACCOUNTING=y
# CONFIG_TICK_CPU_ACCOUNTING is not set
CONFIG_VIRT_CPU_ACCOUNTING_GEN=y
CONFIG_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_SCHED_AVG_IRQ=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
CONFIG_TASKSTATS=y
CONFIG_TASK_DELAY_ACCT=y
CONFIG_TASK_XACCT=y
CONFIG_TASK_IO_ACCOUNTING=y
CONFIG_PSI=y
# CONFIG_PSI_DEFAULT_DISABLED is not set
# end of CPU/Task time and stats accounting

CONFIG_CPU_ISOLATION=y

#
# RCU Subsystem
#
CONFIG_TREE_RCU=y
CONFIG_PREEMPT_RCU=y
# CONFIG_RCU_EXPERT is not set
CONFIG_TREE_SRCU=y
CONFIG_TASKS_RCU_GENERIC=y
CONFIG_NEED_TASKS_RCU=y
CONFIG_TASKS_RCU=y
CONFIG_TASKS_TRACE_RCU=y
CONFIG_RCU_STALL_COMMON=y
CONFIG_RCU_NEED_SEGCBLIST=y
# end of RCU Subsystem

CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
# CONFIG_IKHEADERS is not set
CONFIG_LOG_BUF_SHIFT=18
CONFIG_LOG_CPU_MAX_BUF_SHIFT=12
# CONFIG_PRINTK_INDEX is not set
CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y

#
# Scheduler features
#
# CONFIG_UCLAMP_TASK is not set
# CONFIG_SCHED_PROXY_EXEC is not set
# end of Scheduler features

CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y
CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH=y
CONFIG_CC_HAS_INT128=y
CONFIG_CC_IMPLICIT_FALLTHROUGH="-Wimplicit-fallthrough=5"
CONFIG_GCC10_NO_ARRAY_BOUNDS=y
CONFIG_CC_NO_ARRAY_BOUNDS=y
CONFIG_GCC_NO_STRINGOP_OVERFLOW=y
CONFIG_CC_NO_STRINGOP_OVERFLOW=y
CONFIG_ARCH_SUPPORTS_INT128=y
CONFIG_NUMA_BALANCING=y
CONFIG_NUMA_BALANCING_DEFAULT_ENABLED=y
CONFIG_SLAB_OBJ_EXT=y
CONFIG_CGROUPS=y
CONFIG_PAGE_COUNTER=y
# CONFIG_CGROUP_FAVOR_DYNMODS is not set
CONFIG_MEMCG=y
CONFIG_MEMCG_V1=y
CONFIG_BLK_CGROUP=y
CONFIG_CGROUP_WRITEBACK=y
CONFIG_CGROUP_SCHED=y
CONFIG_GROUP_SCHED_WEIGHT=y
CONFIG_GROUP_SCHED_BANDWIDTH=y
CONFIG_FAIR_GROUP_SCHED=y
CONFIG_CFS_BANDWIDTH=y
# CONFIG_RT_GROUP_SCHED is not set
CONFIG_SCHED_MM_CID=y
CONFIG_CGROUP_PIDS=y
CONFIG_CGROUP_RDMA=y
# CONFIG_CGROUP_DMEM is not set
CONFIG_CGROUP_FREEZER=y
CONFIG_CGROUP_HUGETLB=y
CONFIG_CPUSETS=y
# CONFIG_CPUSETS_V1 is not set
CONFIG_CGROUP_DEVICE=y
CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_PERF=y
# CONFIG_CGROUP_BPF is not set
CONFIG_CGROUP_MISC=y
CONFIG_CGROUP_DEBUG=y
CONFIG_SOCK_CGROUP_DATA=y
CONFIG_NAMESPACES=y
CONFIG_UTS_NS=y
CONFIG_TIME_NS=y
CONFIG_IPC_NS=y
CONFIG_USER_NS=y
CONFIG_PID_NS=y
CONFIG_NET_NS=y
CONFIG_CHECKPOINT_RESTORE=y
# CONFIG_SCHED_AUTOGROUP is not set
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
CONFIG_RD_GZIP=y
CONFIG_RD_BZIP2=y
CONFIG_RD_LZMA=y
CONFIG_RD_XZ=y
CONFIG_RD_LZO=y
CONFIG_RD_LZ4=y
CONFIG_RD_ZSTD=y
# CONFIG_BOOT_CONFIG is not set
CONFIG_CMDLINE_LOG_WRAP_IDEAL_LEN=1021
CONFIG_INITRAMFS_PRESERVE_MTIME=y
CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE=y
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
CONFIG_LD_ORPHAN_WARN=y
CONFIG_LD_ORPHAN_WARN_LEVEL="warn"
CONFIG_SYSCTL=y
CONFIG_HAVE_UID16=y
CONFIG_SYSCTL_EXCEPTION_TRACE=y
CONFIG_SYSFS_SYSCALL=y
CONFIG_HAVE_PCSPKR_PLATFORM=y
CONFIG_EXPERT=y
CONFIG_UID16=y
CONFIG_MULTIUSER=y
CONFIG_SGETMASK_SYSCALL=y
CONFIG_FHANDLE=y
CONFIG_POSIX_TIMERS=y
CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_PCSPKR_PLATFORM=y
# CONFIG_BASE_SMALL is not set
CONFIG_FUTEX=y
CONFIG_FUTEX_PI=y
CONFIG_FUTEX_PRIVATE_HASH=y
CONFIG_FUTEX_MPOL=y
CONFIG_EPOLL=y
CONFIG_SIGNALFD=y
CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
CONFIG_IO_URING=y
CONFIG_IO_URING_MOCK_FILE=y
CONFIG_ADVISE_SYSCALLS=y
CONFIG_MEMBARRIER=y
CONFIG_KCMP=y
CONFIG_RSEQ=y
# CONFIG_RSEQ_SLICE_EXTENSION is not set
# CONFIG_RSEQ_STATS is not set
# CONFIG_RSEQ_DEBUG_DEFAULT_ENABLE is not set
CONFIG_CACHESTAT_SYSCALL=y
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_SELFTEST is not set
CONFIG_KALLSYMS_ALL=y
CONFIG_ARCH_HAS_MEMBARRIER_SYNC_CORE=y
CONFIG_ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS=y
CONFIG_HAVE_PERF_EVENTS=y
CONFIG_GUEST_PERF_EVENTS=y
CONFIG_PERF_GUEST_MEDIATED_PMU=y

#
# Kernel Performance Events And Counters
#
CONFIG_PERF_EVENTS=y
# CONFIG_DEBUG_PERF_USE_VMALLOC is not set
# end of Kernel Performance Events And Counters

CONFIG_SYSTEM_DATA_VERIFICATION=y
CONFIG_PROFILING=y
# CONFIG_RUST is not set
CONFIG_TRACEPOINTS=y

#
# Kexec and crash features
#
CONFIG_CRASH_RESERVE=y
CONFIG_VMCORE_INFO=y
CONFIG_KEXEC_CORE=y
CONFIG_KEXEC=y
# CONFIG_KEXEC_FILE is not set
# CONFIG_KEXEC_JUMP is not set
CONFIG_CRASH_DUMP=y
CONFIG_CRASH_HOTPLUG=y
CONFIG_CRASH_MAX_MEMORY_RANGES=8192
# end of Kexec and crash features

#
# Live Update and Kexec HandOver
#
# CONFIG_KEXEC_HANDOVER is not set
# end of Live Update and Kexec HandOver
# end of General setup

CONFIG_64BIT=y
CONFIG_X86_64=y
CONFIG_X86=y
CONFIG_INSTRUCTION_DECODER=y
CONFIG_OUTPUT_FORMAT="elf64-x86-64"
CONFIG_LOCKDEP_SUPPORT=y
CONFIG_STACKTRACE_SUPPORT=y
CONFIG_MMU=y
CONFIG_ARCH_MMAP_RND_BITS_MIN=28
CONFIG_ARCH_MMAP_RND_BITS_MAX=32
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=8
CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=16
CONFIG_GENERIC_ISA_DMA=y
CONFIG_GENERIC_CSUM=y
CONFIG_GENERIC_BUG=y
CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y
CONFIG_ARCH_MAY_HAVE_PC_FDC=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_ARCH_HAS_CPU_RELAX=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_AUDIT_ARCH=y
CONFIG_KASAN_SHADOW_OFFSET=0xdffffc0000000000
CONFIG_HAVE_INTEL_TXT=y
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_FIX_EARLYCON_MEM=y
CONFIG_PGTABLE_LEVELS=5

#
# Processor type and features
#
CONFIG_SMP=y
CONFIG_X86_X2APIC=y
# CONFIG_X86_POSTED_MSI is not set
CONFIG_X86_MPPARSE=y
# CONFIG_X86_CPU_RESCTRL is not set
CONFIG_X86_FRED=y
CONFIG_X86_EXTENDED_PLATFORM=y
# CONFIG_X86_NUMACHIP is not set
# CONFIG_X86_VSMP is not set
# CONFIG_X86_INTEL_MID is not set
# CONFIG_X86_GOLDFISH is not set
# CONFIG_X86_INTEL_LPSS is not set
# CONFIG_X86_AMD_PLATFORM_DEVICE is not set
CONFIG_IOSF_MBI=y
# CONFIG_IOSF_MBI_DEBUG is not set
CONFIG_X86_SUPPORTS_MEMORY_FAILURE=y
CONFIG_SCHED_OMIT_FRAME_POINTER=y
CONFIG_HYPERVISOR_GUEST=y
CONFIG_PARAVIRT=y
CONFIG_PARAVIRT_SPINLOCKS=y
CONFIG_X86_HV_CALLBACK_VECTOR=y
# CONFIG_XEN is not set
CONFIG_KVM_GUEST=y
CONFIG_ARCH_CPUIDLE_HALTPOLL=y
CONFIG_PVH=y
# CONFIG_PARAVIRT_TIME_ACCOUNTING is not set
CONFIG_PARAVIRT_CLOCK=y
# CONFIG_JAILHOUSE_GUEST is not set
# CONFIG_ACRN_GUEST is not set
# CONFIG_BHYVE_GUEST is not set
CONFIG_CC_HAS_MARCH_NATIVE=y
# CONFIG_X86_NATIVE_CPU is not set
CONFIG_X86_INTERNODE_CACHE_SHIFT=6
CONFIG_X86_L1_CACHE_SHIFT=6
CONFIG_X86_TSC=y
CONFIG_X86_HAVE_PAE=y
CONFIG_X86_CX8=y
CONFIG_X86_CMOV=y
CONFIG_X86_MINIMUM_CPU_FAMILY=64
CONFIG_X86_DEBUGCTLMSR=y
CONFIG_IA32_FEAT_CTL=y
CONFIG_X86_VMX_FEATURE_NAMES=y
CONFIG_PROCESSOR_SELECT=y
CONFIG_BROADCAST_TLB_FLUSH=y
CONFIG_CPU_SUP_INTEL=y
CONFIG_CPU_SUP_AMD=y
# CONFIG_CPU_SUP_HYGON is not set
# CONFIG_CPU_SUP_CENTAUR is not set
# CONFIG_CPU_SUP_ZHAOXIN is not set
CONFIG_HPET_TIMER=y
CONFIG_HPET_EMULATE_RTC=y
CONFIG_DMI=y
# CONFIG_GART_IOMMU is not set
CONFIG_BOOT_VESA_SUPPORT=y
# CONFIG_MAXSMP is not set
CONFIG_NR_CPUS_RANGE_BEGIN=2
CONFIG_NR_CPUS_RANGE_END=512
CONFIG_NR_CPUS_DEFAULT=64
CONFIG_NR_CPUS=8
CONFIG_SCHED_MC_PRIO=y
CONFIG_X86_LOCAL_APIC=y
CONFIG_ACPI_MADT_WAKEUP=y
CONFIG_X86_IO_APIC=y
CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y
CONFIG_X86_MCE=y
# CONFIG_X86_MCELOG_LEGACY is not set
CONFIG_X86_MCE_INTEL=y
CONFIG_X86_MCE_AMD=y
CONFIG_X86_MCE_THRESHOLD=y
# CONFIG_X86_MCE_INJECT is not set

#
# Performance monitoring
#
CONFIG_PERF_EVENTS_INTEL_UNCORE=y
CONFIG_PERF_EVENTS_INTEL_RAPL=y
CONFIG_PERF_EVENTS_INTEL_CSTATE=y
# CONFIG_PERF_EVENTS_AMD_POWER is not set
CONFIG_PERF_EVENTS_AMD_UNCORE=y
# CONFIG_PERF_EVENTS_AMD_BRS is not set
# end of Performance monitoring

CONFIG_X86_16BIT=y
CONFIG_X86_ESPFIX64=y
CONFIG_X86_VSYSCALL_EMULATION=y
CONFIG_X86_IOPL_IOPERM=y
CONFIG_MICROCODE=y
# CONFIG_MICROCODE_LATE_LOADING is not set
# CONFIG_MICROCODE_DBG is not set
CONFIG_X86_MSR=y
CONFIG_X86_CPUID=y
CONFIG_X86_DIRECT_GBPAGES=y
# CONFIG_X86_CPA_STATISTICS is not set
CONFIG_NUMA=y
CONFIG_AMD_NUMA=y
CONFIG_X86_64_ACPI_NUMA=y
CONFIG_NODES_SHIFT=6
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SPARSEMEM_DEFAULT=y
# CONFIG_ARCH_MEMORY_PROBE is not set
CONFIG_ARCH_PROC_KCORE_TEXT=y
CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
# CONFIG_X86_PMEM_LEGACY is not set
# CONFIG_X86_CHECK_BIOS_CORRUPTION is not set
CONFIG_MTRR=y
# CONFIG_MTRR_SANITIZER is not set
CONFIG_X86_PAT=y
CONFIG_X86_UMIP=y
CONFIG_CC_HAS_IBT=y
CONFIG_X86_CET=y
CONFIG_X86_KERNEL_IBT=y
CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS=y
CONFIG_ARCH_PKEY_BITS=4
# CONFIG_X86_INTEL_TSX_MODE_OFF is not set
CONFIG_X86_INTEL_TSX_MODE_ON=y
# CONFIG_X86_INTEL_TSX_MODE_AUTO is not set
CONFIG_X86_SGX=y
CONFIG_X86_USER_SHADOW_STACK=y
# CONFIG_INTEL_TDX_HOST is not set
# CONFIG_EFI is not set
CONFIG_HZ_100=y
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=100
CONFIG_SCHED_HRTICK=y
CONFIG_ARCH_SUPPORTS_KEXEC=y
CONFIG_ARCH_SUPPORTS_KEXEC_FILE=y
CONFIG_ARCH_SUPPORTS_KEXEC_PURGATORY=y
CONFIG_ARCH_SUPPORTS_KEXEC_SIG=y
CONFIG_ARCH_SUPPORTS_KEXEC_SIG_FORCE=y
CONFIG_ARCH_SUPPORTS_KEXEC_BZIMAGE_VERIFY_SIG=y
CONFIG_ARCH_SUPPORTS_KEXEC_JUMP=y
CONFIG_ARCH_SUPPORTS_KEXEC_HANDOVER=y
CONFIG_ARCH_SUPPORTS_CRASH_DUMP=y
CONFIG_ARCH_DEFAULT_CRASH_DUMP=y
CONFIG_ARCH_SUPPORTS_CRASH_HOTPLUG=y
CONFIG_ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION=y
CONFIG_PHYSICAL_START=0x1000000
# CONFIG_RELOCATABLE is not set
CONFIG_PHYSICAL_ALIGN=0x200000
CONFIG_HOTPLUG_CPU=y
# CONFIG_COMPAT_VDSO is not set
CONFIG_LEGACY_VSYSCALL_XONLY=y
# CONFIG_LEGACY_VSYSCALL_NONE is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 rcupdate.rcu_cpu_stall_cputime=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off coredump_filter=0xffff root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=64 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=32 rose.rose_ndevs=32 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=32 max_loop=32 nbds_max=32 comedi.comedi_num_legacy_minors=4 panic_on_warn=1"
# CONFIG_CMDLINE_OVERRIDE is not set
CONFIG_MODIFY_LDT_SYSCALL=y
# CONFIG_STRICT_SIGALTSTACK_SIZE is not set
CONFIG_HAVE_LIVEPATCH=y
CONFIG_HAVE_KLP_BUILD=y
CONFIG_X86_BUS_LOCK_DETECT=y
# end of Processor type and features

CONFIG_CC_HAS_NAMED_AS=y
CONFIG_CC_HAS_NAMED_AS_FIXED_SANITIZERS=y
CONFIG_USE_X86_SEG_SUPPORT=y
CONFIG_CC_HAS_SLS=y
CONFIG_CC_HAS_RETURN_THUNK=y
CONFIG_CC_HAS_ENTRY_PADDING=y
CONFIG_FUNCTION_PADDING_CFI=11
CONFIG_FUNCTION_PADDING_BYTES=16
CONFIG_CALL_PADDING=y
CONFIG_HAVE_CALL_THUNKS=y
CONFIG_CALL_THUNKS=y
CONFIG_PREFIX_SYMBOLS=y
CONFIG_CPU_MITIGATIONS=y
CONFIG_MITIGATION_PAGE_TABLE_ISOLATION=y
CONFIG_MITIGATION_RETPOLINE=y
CONFIG_MITIGATION_RETHUNK=y
CONFIG_MITIGATION_UNRET_ENTRY=y
CONFIG_MITIGATION_CALL_DEPTH_TRACKING=y
# CONFIG_CALL_THUNKS_DEBUG is not set
CONFIG_MITIGATION_IBPB_ENTRY=y
CONFIG_MITIGATION_IBRS_ENTRY=y
CONFIG_MITIGATION_SRSO=y
# CONFIG_MITIGATION_SLS is not set
CONFIG_MITIGATION_GDS=y
CONFIG_MITIGATION_RFDS=y
CONFIG_MITIGATION_SPECTRE_BHI=y
CONFIG_MITIGATION_MDS=y
CONFIG_MITIGATION_TAA=y
CONFIG_MITIGATION_MMIO_STALE_DATA=y
CONFIG_MITIGATION_L1TF=y
CONFIG_MITIGATION_RETBLEED=y
CONFIG_MITIGATION_SPECTRE_V1=y
CONFIG_MITIGATION_SPECTRE_V2=y
CONFIG_MITIGATION_SRBDS=y
CONFIG_MITIGATION_SSB=y
CONFIG_MITIGATION_ITS=y
CONFIG_MITIGATION_TSA=y
# CONFIG_MITIGATION_VMSCAPE is not set
CONFIG_ARCH_HAS_ADD_PAGES=y

#
# Power management and ACPI options
#
CONFIG_ARCH_HIBERNATION_HEADER=y
CONFIG_SUSPEND=y
CONFIG_SUSPEND_FREEZER=y
# CONFIG_SUSPEND_SKIP_SYNC is not set
CONFIG_HIBERNATE_CALLBACKS=y
CONFIG_HIBERNATION=y
CONFIG_HIBERNATION_SNAPSHOT_DEV=y
CONFIG_HIBERNATION_COMP_LZO=y
# CONFIG_HIBERNATION_COMP_LZ4 is not set
CONFIG_HIBERNATION_DEF_COMP="lzo"
CONFIG_PM_STD_PARTITION=""
CONFIG_PM_SLEEP=y
CONFIG_PM_SLEEP_SMP=y
# CONFIG_PM_AUTOSLEEP is not set
# CONFIG_PM_USERSPACE_AUTOSLEEP is not set
# CONFIG_PM_WAKELOCKS is not set
# CONFIG_PM_QOS_CPU_SYSTEM_WAKEUP is not set
CONFIG_PM=y
CONFIG_PM_DEBUG=y
# CONFIG_PM_ADVANCED_DEBUG is not set
# CONFIG_PM_TEST_SUSPEND is not set
CONFIG_PM_SLEEP_DEBUG=y
# CONFIG_DPM_WATCHDOG is not set
CONFIG_PM_TRACE=y
CONFIG_PM_TRACE_RTC=y
CONFIG_PM_CLK=y
# CONFIG_WQ_POWER_EFFICIENT_DEFAULT is not set
# CONFIG_ENERGY_MODEL is not set
CONFIG_ARCH_SUPPORTS_ACPI=y
CONFIG_ACPI=y
CONFIG_ACPI_LEGACY_TABLES_LOOKUP=y
CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC=y
CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT=y
CONFIG_ACPI_THERMAL_LIB=y
# CONFIG_ACPI_DEBUGGER is not set
CONFIG_ACPI_SPCR_TABLE=y
# CONFIG_ACPI_FPDT is not set
CONFIG_ACPI_LPIT=y
CONFIG_ACPI_SLEEP=y
CONFIG_ACPI_REV_OVERRIDE_POSSIBLE=y
CONFIG_ACPI_EC=y
# CONFIG_ACPI_EC_DEBUGFS is not set
CONFIG_ACPI_AC=y
CONFIG_ACPI_BATTERY=y
CONFIG_ACPI_BUTTON=y
CONFIG_ACPI_VIDEO=y
CONFIG_ACPI_FAN=y
# CONFIG_ACPI_TAD is not set
CONFIG_ACPI_DOCK=y
CONFIG_ACPI_CPU_FREQ_PSS=y
CONFIG_ACPI_PROCESSOR_CSTATE=y
CONFIG_ACPI_PROCESSOR_IDLE=y
CONFIG_ACPI_CPPC_LIB=y
CONFIG_ACPI_PROCESSOR=y
CONFIG_ACPI_HOTPLUG_CPU=y
# CONFIG_ACPI_PROCESSOR_AGGREGATOR is not set
CONFIG_ACPI_THERMAL=y
CONFIG_ACPI_PLATFORM_PROFILE=y
CONFIG_ARCH_HAS_ACPI_TABLE_UPGRADE=y
CONFIG_ACPI_TABLE_UPGRADE=y
CONFIG_ACPI_DEBUG=y
# CONFIG_ACPI_PCI_SLOT is not set
CONFIG_ACPI_CONTAINER=y
# CONFIG_ACPI_HOTPLUG_MEMORY is not set
CONFIG_ACPI_HOTPLUG_IOAPIC=y
# CONFIG_ACPI_SBS is not set
# CONFIG_ACPI_HED is not set
# CONFIG_ACPI_REDUCED_HARDWARE_ONLY is not set
CONFIG_ACPI_NHLT=y
CONFIG_ACPI_NFIT=y
# CONFIG_NFIT_SECURITY_DEBUG is not set
CONFIG_ACPI_NUMA=y
# CONFIG_ACPI_HMAT is not set
CONFIG_HAVE_ACPI_APEI=y
CONFIG_HAVE_ACPI_APEI_NMI=y
# CONFIG_ACPI_APEI is not set
# CONFIG_ACPI_DPTF is not set
# CONFIG_ACPI_EXTLOG is not set
# CONFIG_ACPI_CONFIGFS is not set
# CONFIG_ACPI_PFRUT is not set
CONFIG_ACPI_PCC=y
# CONFIG_ACPI_FFH is not set
CONFIG_ACPI_MRRM=y
CONFIG_PMIC_OPREGION=y
CONFIG_BXT_WC_PMIC_OPREGION=y
# CONFIG_CHT_WC_PMIC_OPREGION is not set
CONFIG_X86_PM_TIMER=y

#
# CPU Frequency scaling
#
CONFIG_CPU_FREQ=y
CONFIG_CPU_FREQ_GOV_ATTR_SET=y
CONFIG_CPU_FREQ_GOV_COMMON=y
# CONFIG_CPU_FREQ_STAT is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y

#
# CPU frequency scaling drivers
#
# CONFIG_CPUFREQ_DT is not set
# CONFIG_CPUFREQ_DT_PLATDEV is not set
CONFIG_X86_INTEL_PSTATE=y
# CONFIG_X86_PCC_CPUFREQ is not set
CONFIG_X86_AMD_PSTATE=y
CONFIG_X86_AMD_PSTATE_DEFAULT_MODE=3
# CONFIG_X86_AMD_PSTATE_UT is not set
CONFIG_X86_ACPI_CPUFREQ=y
CONFIG_X86_ACPI_CPUFREQ_CPB=y
# CONFIG_X86_POWERNOW_K8 is not set
# CONFIG_X86_AMD_FREQ_SENSITIVITY is not set
# CONFIG_X86_SPEEDSTEP_CENTRINO is not set
# CONFIG_X86_P4_CLOCKMOD is not set

#
# shared options
#
CONFIG_CPUFREQ_ARCH_CUR_FREQ=y
# end of CPU Frequency scaling

#
# CPU Idle
#
CONFIG_CPU_IDLE=y
# CONFIG_CPU_IDLE_GOV_LADDER is not set
CONFIG_CPU_IDLE_GOV_MENU=y
# CONFIG_CPU_IDLE_GOV_TEO is not set
CONFIG_CPU_IDLE_GOV_HALTPOLL=y
CONFIG_HALTPOLL_CPUIDLE=y
# end of CPU Idle

CONFIG_INTEL_IDLE=y
# end of Power management and ACPI options

#
# Bus options (PCI etc.)
#
CONFIG_PCI_DIRECT=y
CONFIG_PCI_MMCONFIG=y
CONFIG_MMCONF_FAM10H=y
CONFIG_ISA_BUS=y
CONFIG_ISA_DMA_API=y
CONFIG_AMD_NB=y
CONFIG_AMD_NODE=y
# end of Bus options (PCI etc.)

#
# Binary Emulations
#
CONFIG_IA32_EMULATION=y
# CONFIG_IA32_EMULATION_DEFAULT_DISABLED is not set
CONFIG_X86_X32_ABI=y
CONFIG_COMPAT_32=y
CONFIG_COMPAT=y
CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
# end of Binary Emulations

CONFIG_KVM_COMMON=y
CONFIG_HAVE_KVM_PFNCACHE=y
CONFIG_HAVE_KVM_IRQCHIP=y
CONFIG_HAVE_KVM_IRQ_ROUTING=y
CONFIG_HAVE_KVM_DIRTY_RING=y
CONFIG_HAVE_KVM_DIRTY_RING_TSO=y
CONFIG_HAVE_KVM_DIRTY_RING_ACQ_REL=y
CONFIG_KVM_MMIO=y
CONFIG_KVM_ASYNC_PF=y
CONFIG_HAVE_KVM_MSI=y
CONFIG_HAVE_KVM_READONLY_MEM=y
CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT=y
CONFIG_KVM_VFIO=y
CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y
CONFIG_KVM_GENERIC_PRE_FAULT_MEMORY=y
CONFIG_KVM_COMPAT=y
CONFIG_HAVE_KVM_IRQ_BYPASS=y
CONFIG_HAVE_KVM_NO_POLL=y
CONFIG_VIRT_XFER_TO_GUEST_WORK=y
CONFIG_HAVE_KVM_PM_NOTIFIER=y
CONFIG_KVM_GENERIC_HARDWARE_ENABLING=y
CONFIG_KVM_ELIDE_TLB_FLUSH_IF_YOUNG=y
CONFIG_KVM_MMU_LOCKLESS_AGING=y
CONFIG_KVM_GENERIC_MEMORY_ATTRIBUTES=y
CONFIG_KVM_GUEST_MEMFD=y
CONFIG_VIRTUALIZATION=y
CONFIG_KVM_X86=y
CONFIG_KVM=y
CONFIG_KVM_SW_PROTECTED_VM=y
CONFIG_KVM_INTEL=y
# CONFIG_KVM_INTEL_PROVE_VE is not set
CONFIG_X86_SGX_KVM=y
CONFIG_KVM_AMD=y
CONFIG_KVM_IOAPIC=y
# CONFIG_KVM_SMM is not set
CONFIG_KVM_HYPERV=y
CONFIG_KVM_XEN=y
CONFIG_KVM_PROVE_MMU=y
CONFIG_KVM_MAX_NR_VCPUS=1024
CONFIG_X86_REQUIRED_FEATURE_ALWAYS=y
CONFIG_X86_REQUIRED_FEATURE_NOPL=y
CONFIG_X86_REQUIRED_FEATURE_CX8=y
CONFIG_X86_REQUIRED_FEATURE_CMOV=y
CONFIG_X86_REQUIRED_FEATURE_CPUID=y
CONFIG_X86_REQUIRED_FEATURE_FPU=y
CONFIG_X86_REQUIRED_FEATURE_PAE=y
CONFIG_X86_REQUIRED_FEATURE_PSE=y
CONFIG_X86_REQUIRED_FEATURE_PGE=y
CONFIG_X86_REQUIRED_FEATURE_MSR=y
CONFIG_X86_REQUIRED_FEATURE_FXSR=y
CONFIG_X86_REQUIRED_FEATURE_XMM=y
CONFIG_X86_REQUIRED_FEATURE_XMM2=y
CONFIG_X86_REQUIRED_FEATURE_LM=y
CONFIG_X86_DISABLED_FEATURE_VME=y
CONFIG_X86_DISABLED_FEATURE_K6_MTRR=y
CONFIG_X86_DISABLED_FEATURE_CYRIX_ARR=y
CONFIG_X86_DISABLED_FEATURE_CENTAUR_MCR=y
CONFIG_X86_DISABLED_FEATURE_LAM=y
CONFIG_X86_DISABLED_FEATURE_XENPV=y
CONFIG_X86_DISABLED_FEATURE_TDX_GUEST=y
CONFIG_X86_DISABLED_FEATURE_SEV_SNP=y
CONFIG_AS_WRUSS=y
CONFIG_ARCH_CONFIGURES_CPU_MITIGATIONS=y

#
# General architecture-dependent options
#
CONFIG_HOTPLUG_SMT=y
CONFIG_ARCH_SUPPORTS_SCHED_SMT=y
CONFIG_ARCH_SUPPORTS_SCHED_CLUSTER=y
CONFIG_ARCH_SUPPORTS_SCHED_MC=y
CONFIG_SCHED_SMT=y
CONFIG_SCHED_CLUSTER=y
CONFIG_SCHED_MC=y
CONFIG_HOTPLUG_CORE_SYNC=y
CONFIG_HOTPLUG_CORE_SYNC_DEAD=y
CONFIG_HOTPLUG_CORE_SYNC_FULL=y
CONFIG_HOTPLUG_SPLIT_STARTUP=y
CONFIG_HOTPLUG_PARALLEL=y
CONFIG_GENERIC_IRQ_ENTRY=y
CONFIG_GENERIC_SYSCALL=y
CONFIG_GENERIC_ENTRY=y
# CONFIG_KPROBES is not set
CONFIG_JUMP_LABEL=y
# CONFIG_STATIC_KEYS_SELFTEST is not set
# CONFIG_STATIC_CALL_SELFTEST is not set
CONFIG_UPROBES=y
CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
CONFIG_ARCH_USE_BUILTIN_BSWAP=y
CONFIG_USER_RETURN_NOTIFIER=y
CONFIG_HAVE_IOREMAP_PROT=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_OPTPROBES=y
CONFIG_HAVE_KPROBES_ON_FTRACE=y
CONFIG_ARCH_CORRECT_STACKTRACE_ON_KRETPROBE=y
CONFIG_HAVE_FUNCTION_ERROR_INJECTION=y
CONFIG_HAVE_NMI=y
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_TRACE_IRQFLAGS_NMI_SUPPORT=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DMA_CONTIGUOUS=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_ARCH_HAS_FORTIFY_SOURCE=y
CONFIG_ARCH_HAS_SET_MEMORY=y
CONFIG_ARCH_HAS_SET_DIRECT_MAP=y
CONFIG_ARCH_HAS_CPU_FINALIZE_INIT=y
CONFIG_ARCH_HAS_CPU_PASID=y
CONFIG_HAVE_ARCH_THREAD_STRUCT_WHITELIST=y
CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT=y
CONFIG_ARCH_WANTS_NO_INSTR=y
CONFIG_HAVE_ASM_MODVERSIONS=y
CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y
CONFIG_HAVE_RSEQ=y
CONFIG_HAVE_RUST=y
CONFIG_HAVE_FUNCTION_ARG_ACCESS_API=y
CONFIG_HAVE_HW_BREAKPOINT=y
CONFIG_HAVE_MIXED_BREAKPOINTS_REGS=y
CONFIG_HAVE_USER_RETURN_NOTIFIER=y
CONFIG_HAVE_PERF_EVENTS_NMI=y
CONFIG_HAVE_HARDLOCKUP_DETECTOR_PERF=y
CONFIG_UNWIND_USER=y
CONFIG_HAVE_UNWIND_USER_FP=y
CONFIG_HAVE_PERF_REGS=y
CONFIG_HAVE_PERF_USER_STACK_DUMP=y
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_HAVE_ARCH_JUMP_LABEL_RELATIVE=y
CONFIG_MMU_GATHER_TABLE_FREE=y
CONFIG_MMU_GATHER_RCU_TABLE_FREE=y
CONFIG_MMU_GATHER_MERGE_VMAS=y
CONFIG_ARCH_WANT_IRQS_OFF_ACTIVATE_MM=y
CONFIG_MMU_LAZY_TLB_REFCOUNT=y
CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y
CONFIG_ARCH_HAVE_EXTRA_ELF_NOTES=y
CONFIG_ARCH_HAS_NMI_SAFE_THIS_CPU_OPS=y
CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y
CONFIG_HAVE_CMPXCHG_LOCAL=y
CONFIG_HAVE_CMPXCHG_DOUBLE=y
CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y
CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y
CONFIG_HAVE_ARCH_SECCOMP=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
CONFIG_SECCOMP=y
CONFIG_SECCOMP_FILTER=y
# CONFIG_SECCOMP_CACHE_DEBUG is not set
CONFIG_HAVE_ARCH_KSTACK_ERASE=y
CONFIG_HAVE_STACKPROTECTOR=y
CONFIG_STACKPROTECTOR=y
CONFIG_STACKPROTECTOR_STRONG=y
CONFIG_ARCH_SUPPORTS_LTO_CLANG=y
CONFIG_ARCH_SUPPORTS_LTO_CLANG_THIN=y
CONFIG_LTO_NONE=y
CONFIG_ARCH_SUPPORTS_AUTOFDO_CLANG=y
CONFIG_ARCH_SUPPORTS_PROPELLER_CLANG=y
CONFIG_ARCH_SUPPORTS_CFI=y
CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES=y
CONFIG_HAVE_CONTEXT_TRACKING_USER=y
CONFIG_HAVE_CONTEXT_TRACKING_USER_OFFSTACK=y
CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
CONFIG_HAVE_IRQ_TIME_ACCOUNTING=y
CONFIG_HAVE_PV_STEAL_CLOCK_GEN=y
CONFIG_HAVE_MOVE_PUD=y
CONFIG_HAVE_MOVE_PMD=y
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y
CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD=y
CONFIG_HAVE_ARCH_HUGE_VMAP=y
CONFIG_HAVE_ARCH_HUGE_VMALLOC=y
CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y
CONFIG_ARCH_WANT_PMD_MKWRITE=y
CONFIG_HAVE_ARCH_SOFT_DIRTY=y
CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
CONFIG_MODULES_USE_ELF_RELA=y
CONFIG_ARCH_HAS_EXECMEM_ROX=y
CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK=y
CONFIG_HAVE_SOFTIRQ_ON_OWN_STACK=y
CONFIG_SOFTIRQ_ON_OWN_STACK=y
CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
CONFIG_HAVE_ARCH_MMAP_RND_BITS=y
CONFIG_HAVE_EXIT_THREAD=y
CONFIG_ARCH_MMAP_RND_BITS=28
CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS=y
CONFIG_ARCH_MMAP_RND_COMPAT_BITS=8
CONFIG_HAVE_ARCH_COMPAT_MMAP_BASES=y
CONFIG_HAVE_PAGE_SIZE_4KB=y
CONFIG_PAGE_SIZE_4KB=y
CONFIG_PAGE_SIZE_LESS_THAN_64KB=y
CONFIG_PAGE_SIZE_LESS_THAN_256KB=y
CONFIG_PAGE_SHIFT=12
CONFIG_HAVE_OBJTOOL=y
CONFIG_HAVE_JUMP_LABEL_HACK=y
CONFIG_HAVE_NOINSTR_HACK=y
CONFIG_HAVE_NOINSTR_VALIDATION=y
CONFIG_HAVE_UACCESS_VALIDATION=y
CONFIG_HAVE_STACK_VALIDATION=y
CONFIG_HAVE_RELIABLE_STACKTRACE=y
CONFIG_OLD_SIGSUSPEND3=y
CONFIG_COMPAT_OLD_SIGACTION=y
CONFIG_COMPAT_32BIT_TIME=y
CONFIG_ARCH_SUPPORTS_RT=y
CONFIG_HAVE_ARCH_VMAP_STACK=y
CONFIG_VMAP_STACK=y
CONFIG_HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET=y
CONFIG_RANDOMIZE_KSTACK_OFFSET=y
# CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT is not set
CONFIG_ARCH_HAS_STRICT_KERNEL_RWX=y
CONFIG_STRICT_KERNEL_RWX=y
CONFIG_ARCH_HAS_STRICT_MODULE_RWX=y
CONFIG_STRICT_MODULE_RWX=y
CONFIG_HAVE_ARCH_PREL32_RELOCATIONS=y
# CONFIG_LOCK_EVENT_COUNTS is not set
CONFIG_ARCH_HAS_MEM_ENCRYPT=y
CONFIG_HAVE_STATIC_CALL=y
CONFIG_HAVE_STATIC_CALL_INLINE=y
CONFIG_HAVE_PREEMPT_DYNAMIC=y
CONFIG_HAVE_PREEMPT_DYNAMIC_CALL=y
CONFIG_ARCH_WANT_LD_ORPHAN_WARN=y
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_ARCH_SUPPORTS_PAGE_TABLE_CHECK=y
CONFIG_ARCH_HAS_ELFCORE_COMPAT=y
CONFIG_ARCH_HAS_PARANOID_L1D_FLUSH=y
CONFIG_DYNAMIC_SIGFRAME=y
CONFIG_HAVE_ARCH_NODE_DEV_GROUP=y
CONFIG_ARCH_HAS_HW_PTE_YOUNG=y
CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG=y
CONFIG_ARCH_HAS_KERNEL_FPU_SUPPORT=y
CONFIG_HAVE_GENERIC_TIF_BITS=y

#
# GCOV-based kernel profiling
#
# CONFIG_GCOV_KERNEL is not set
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
# end of GCOV-based kernel profiling

CONFIG_HAVE_GCC_PLUGINS=y
CONFIG_FUNCTION_ALIGNMENT_4B=y
CONFIG_FUNCTION_ALIGNMENT_16B=y
CONFIG_FUNCTION_ALIGNMENT=16
CONFIG_CC_HAS_MIN_FUNCTION_ALIGNMENT=y
CONFIG_CC_HAS_SANE_FUNCTION_ALIGNMENT=y
CONFIG_ARCH_HAS_CPU_ATTACK_VECTORS=y
# end of General architecture-dependent options

CONFIG_RT_MUTEXES=y
CONFIG_MODULE_SIG_FORMAT=y
CONFIG_MODULES=y
# CONFIG_MODULE_DEBUG is not set
# CONFIG_MODULE_FORCE_LOAD is not set
CONFIG_MODULE_UNLOAD=y
CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_MODULE_UNLOAD_TAINT_TRACKING is not set
CONFIG_MODVERSIONS=y
# CONFIG_GENKSYMS is not set
CONFIG_GENDWARFKSYMS=y
CONFIG_ASM_MODVERSIONS=y
# CONFIG_EXTENDED_MODVERSIONS is not set
# CONFIG_BASIC_MODVERSIONS is not set
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_MODULE_SIG=y
# CONFIG_MODULE_SIG_FORCE is not set
# CONFIG_MODULE_SIG_ALL is not set
CONFIG_MODULE_SIG_SHA256=y
# CONFIG_MODULE_SIG_SHA384 is not set
# CONFIG_MODULE_SIG_SHA512 is not set
# CONFIG_MODULE_SIG_SHA3_256 is not set
# CONFIG_MODULE_SIG_SHA3_384 is not set
# CONFIG_MODULE_SIG_SHA3_512 is not set
CONFIG_MODULE_SIG_HASH="sha256"
# CONFIG_MODULE_COMPRESS is not set
# CONFIG_MODULE_ALLOW_MISSING_NAMESPACE_IMPORTS is not set
CONFIG_MODPROBE_PATH="/sbin/modprobe"
# CONFIG_TRIM_UNUSED_KSYMS is not set
CONFIG_MODULES_TREE_LOOKUP=y
CONFIG_BLOCK=y
CONFIG_BLOCK_LEGACY_AUTOLOAD=y
CONFIG_BLK_RQ_ALLOC_TIME=y
CONFIG_BLK_CGROUP_RWSTAT=y
CONFIG_BLK_CGROUP_PUNT_BIO=y
CONFIG_BLK_DEV_BSG_COMMON=y
CONFIG_BLK_ICQ=y
CONFIG_BLK_DEV_BSGLIB=y
CONFIG_BLK_DEV_INTEGRITY=y
# CONFIG_BLK_DEV_WRITE_MOUNTED is not set
CONFIG_BLK_DEV_ZONED=y
CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_WBT_MQ=y
CONFIG_BLK_CGROUP_IOLATENCY=y
# CONFIG_BLK_CGROUP_FC_APPID is not set
CONFIG_BLK_CGROUP_IOCOST=y
CONFIG_BLK_CGROUP_IOPRIO=y
CONFIG_BLK_DEBUG_FS=y
# CONFIG_BLK_SED_OPAL is not set
CONFIG_BLK_INLINE_ENCRYPTION=y
CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK=y

#
# Partition Types
#
CONFIG_PARTITION_ADVANCED=y
CONFIG_ACORN_PARTITION=y
CONFIG_ACORN_PARTITION_CUMANA=y
CONFIG_ACORN_PARTITION_EESOX=y
CONFIG_ACORN_PARTITION_ICS=y
CONFIG_ACORN_PARTITION_ADFS=y
CONFIG_ACORN_PARTITION_POWERTEC=y
CONFIG_ACORN_PARTITION_RISCIX=y
CONFIG_AIX_PARTITION=y
CONFIG_OSF_PARTITION=y
CONFIG_AMIGA_PARTITION=y
CONFIG_ATARI_PARTITION=y
CONFIG_MAC_PARTITION=y
CONFIG_MSDOS_PARTITION=y
CONFIG_BSD_DISKLABEL=y
CONFIG_MINIX_SUBPARTITION=y
CONFIG_SOLARIS_X86_PARTITION=y
CONFIG_UNIXWARE_DISKLABEL=y
CONFIG_LDM_PARTITION=y
# CONFIG_LDM_DEBUG is not set
CONFIG_SGI_PARTITION=y
CONFIG_ULTRIX_PARTITION=y
CONFIG_SUN_PARTITION=y
CONFIG_KARMA_PARTITION=y
CONFIG_EFI_PARTITION=y
CONFIG_SYSV68_PARTITION=y
CONFIG_CMDLINE_PARTITION=y
# CONFIG_OF_PARTITION is not set
# end of Partition Types

CONFIG_BLK_PM=y
CONFIG_BLOCK_HOLDER_DEPRECATED=y
CONFIG_BLK_MQ_STACKING=y

#
# IO Schedulers
#
CONFIG_MQ_IOSCHED_DEADLINE=y
CONFIG_MQ_IOSCHED_KYBER=y
CONFIG_IOSCHED_BFQ=y
CONFIG_BFQ_GROUP_IOSCHED=y
CONFIG_BFQ_CGROUP_DEBUG=y
# end of IO Schedulers

CONFIG_PREEMPT_NOTIFIERS=y
CONFIG_PADATA=y
CONFIG_ASN1=y
CONFIG_UNINLINE_SPIN_UNLOCK=y
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
CONFIG_MUTEX_SPIN_ON_OWNER=y
CONFIG_RWSEM_SPIN_ON_OWNER=y
CONFIG_LOCK_SPIN_ON_OWNER=y
CONFIG_ARCH_USE_QUEUED_SPINLOCKS=y
CONFIG_QUEUED_SPINLOCKS=y
CONFIG_ARCH_USE_QUEUED_RWLOCKS=y
CONFIG_QUEUED_RWLOCKS=y
CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE=y
CONFIG_ARCH_HAS_SYNC_CORE_BEFORE_USERMODE=y
CONFIG_ARCH_HAS_SYSCALL_WRAPPER=y
CONFIG_FREEZER=y

#
# Executable file formats
#
CONFIG_BINFMT_ELF=y
CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_ELFCORE=y
CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
CONFIG_BINFMT_SCRIPT=y
CONFIG_BINFMT_MISC=y
CONFIG_COREDUMP=y
# end of Executable file formats

#
# Memory Management options
#
CONFIG_SWAP=y
CONFIG_ZSWAP=y
CONFIG_ZSWAP_DEFAULT_ON=y
CONFIG_ZSWAP_SHRINKER_DEFAULT_ON=y
# CONFIG_ZSWAP_COMPRESSOR_DEFAULT_DEFLATE is not set
# CONFIG_ZSWAP_COMPRESSOR_DEFAULT_LZO is not set
CONFIG_ZSWAP_COMPRESSOR_DEFAULT_842=y
# CONFIG_ZSWAP_COMPRESSOR_DEFAULT_LZ4 is not set
# CONFIG_ZSWAP_COMPRESSOR_DEFAULT_LZ4HC is not set
# CONFIG_ZSWAP_COMPRESSOR_DEFAULT_ZSTD is not set
CONFIG_ZSWAP_COMPRESSOR_DEFAULT="842"
CONFIG_ZSMALLOC=y

#
# Zsmalloc allocator options
#

#
# Zsmalloc is a common backend allocator for zswap & zram
#
# CONFIG_ZSMALLOC_STAT is not set
CONFIG_ZSMALLOC_CHAIN_SIZE=8
# end of Zsmalloc allocator options

#
# Slab allocator options
#
CONFIG_SLUB=y
CONFIG_KVFREE_RCU_BATCHED=y
# CONFIG_SLUB_TINY is not set
CONFIG_SLAB_MERGE_DEFAULT=y
# CONFIG_SLAB_FREELIST_RANDOM is not set
# CONFIG_SLAB_FREELIST_HARDENED is not set
# CONFIG_SLAB_BUCKETS is not set
# CONFIG_SLUB_STATS is not set
# CONFIG_RANDOM_KMALLOC_CACHES is not set
# end of Slab allocator options

# CONFIG_SHUFFLE_PAGE_ALLOCATOR is not set
# CONFIG_COMPAT_BRK is not set
CONFIG_SPARSEMEM=y
CONFIG_SPARSEMEM_EXTREME=y
CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
CONFIG_SPARSEMEM_VMEMMAP=y
CONFIG_SPARSEMEM_VMEMMAP_PREINIT=y
CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP=y
CONFIG_ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP=y
CONFIG_ARCH_WANT_HUGETLB_VMEMMAP_PREINIT=y
CONFIG_HAVE_GUP_FAST=y
CONFIG_NUMA_KEEP_MEMINFO=y
CONFIG_MEMORY_ISOLATION=y
CONFIG_EXCLUSIVE_SYSTEM_RAM=y
CONFIG_HAVE_BOOTMEM_INFO_NODE=y
CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
CONFIG_MEMORY_HOTPLUG=y
# CONFIG_MHP_DEFAULT_ONLINE_TYPE_OFFLINE is not set
CONFIG_MHP_DEFAULT_ONLINE_TYPE_ONLINE_AUTO=y
# CONFIG_MHP_DEFAULT_ONLINE_TYPE_ONLINE_KERNEL is not set
# CONFIG_MHP_DEFAULT_ONLINE_TYPE_ONLINE_MOVABLE is not set
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_MHP_MEMMAP_ON_MEMORY=y
CONFIG_ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE=y
CONFIG_SPLIT_PTE_PTLOCKS=y
CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y
CONFIG_SPLIT_PMD_PTLOCKS=y
CONFIG_BALLOON=y
CONFIG_BALLOON_MIGRATION=y
CONFIG_COMPACTION=y
CONFIG_COMPACT_UNEVICTABLE_DEFAULT=1
CONFIG_PAGE_REPORTING=y
CONFIG_MIGRATION=y
CONFIG_DEVICE_MIGRATION=y
CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION=y
CONFIG_ARCH_ENABLE_THP_MIGRATION=y
CONFIG_CONTIG_ALLOC=y
CONFIG_PCP_BATCH_SCALE_MAX=5
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_MMU_NOTIFIER=y
CONFIG_KSM=y
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y
# CONFIG_MEMORY_FAILURE is not set
CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
CONFIG_ARCH_WANTS_THP_SWAP=y
# CONFIG_PERSISTENT_HUGE_ZERO_FOLIO is not set
CONFIG_MM_ID=y
CONFIG_TRANSPARENT_HUGEPAGE=y
# CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS is not set
CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y
# CONFIG_TRANSPARENT_HUGEPAGE_NEVER is not set
# CONFIG_TRANSPARENT_HUGEPAGE_SHMEM_HUGE_NEVER is not set
# CONFIG_TRANSPARENT_HUGEPAGE_SHMEM_HUGE_ALWAYS is not set
# CONFIG_TRANSPARENT_HUGEPAGE_SHMEM_HUGE_WITHIN_SIZE is not set
CONFIG_TRANSPARENT_HUGEPAGE_SHMEM_HUGE_ADVISE=y
# CONFIG_TRANSPARENT_HUGEPAGE_TMPFS_HUGE_NEVER is not set
# CONFIG_TRANSPARENT_HUGEPAGE_TMPFS_HUGE_ALWAYS is not set
# CONFIG_TRANSPARENT_HUGEPAGE_TMPFS_HUGE_WITHIN_SIZE is not set
CONFIG_TRANSPARENT_HUGEPAGE_TMPFS_HUGE_ADVISE=y
CONFIG_THP_SWAP=y
CONFIG_READ_ONLY_THP_FOR_FS=y
# CONFIG_NO_PAGE_MAPCOUNT is not set
CONFIG_PAGE_MAPCOUNT=y
CONFIG_PGTABLE_HAS_HUGE_LEAVES=y
CONFIG_HAVE_GIGANTIC_FOLIOS=y
CONFIG_ASYNC_KERNEL_PGTABLE_FREE=y
CONFIG_ARCH_SUPPORTS_HUGE_PFNMAP=y
CONFIG_ARCH_SUPPORTS_PMD_PFNMAP=y
CONFIG_ARCH_SUPPORTS_PUD_PFNMAP=y
CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK=y
CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK=y
CONFIG_USE_PERCPU_NUMA_NODE_ID=y
CONFIG_HAVE_SETUP_PER_CPU_AREA=y
CONFIG_CMA=y
# CONFIG_CMA_DEBUGFS is not set
# CONFIG_CMA_SYSFS is not set
CONFIG_CMA_AREAS=20
CONFIG_PAGE_BLOCK_MAX_ORDER=10
CONFIG_MEM_SOFT_DIRTY=y
CONFIG_GENERIC_EARLY_IOREMAP=y
# CONFIG_DEFERRED_STRUCT_PAGE_INIT is not set
CONFIG_PAGE_IDLE_FLAG=y
# CONFIG_IDLE_PAGE_TRACKING is not set
CONFIG_ARCH_HAS_CACHE_LINE_SIZE=y
CONFIG_ARCH_HAS_CURRENT_STACK_POINTER=y
CONFIG_ARCH_HAS_ZONE_DMA_SET=y
CONFIG_ZONE_DMA=y
CONFIG_ZONE_DMA32=y
CONFIG_ZONE_DEVICE=y
CONFIG_HMM_MIRROR=y
CONFIG_GET_FREE_REGION=y
CONFIG_DEVICE_PRIVATE=y
CONFIG_VMAP_PFN=y
CONFIG_ARCH_USES_HIGH_VMA_FLAGS=y
CONFIG_ARCH_HAS_PKEYS=y
CONFIG_ARCH_USES_PG_ARCH_2=y
CONFIG_VM_EVENT_COUNTERS=y
CONFIG_PERCPU_STATS=y
# CONFIG_GUP_TEST is not set
# CONFIG_DMAPOOL_TEST is not set
CONFIG_ARCH_HAS_PTE_SPECIAL=y
CONFIG_MAPPING_DIRTY_HELPERS=y
CONFIG_KMAP_LOCAL=y
CONFIG_MEMFD_CREATE=y
CONFIG_SECRETMEM=y
CONFIG_ANON_VMA_NAME=y
CONFIG_HAVE_ARCH_USERFAULTFD_WP=y
CONFIG_HAVE_ARCH_USERFAULTFD_MINOR=y
CONFIG_USERFAULTFD=y
# CONFIG_PTE_MARKER_UFFD_WP is not set
CONFIG_LRU_GEN=y
CONFIG_LRU_GEN_ENABLED=y
# CONFIG_LRU_GEN_STATS is not set
CONFIG_LRU_GEN_WALKS_MMU=y
CONFIG_ARCH_SUPPORTS_PER_VMA_LOCK=y
CONFIG_PER_VMA_LOCK=y
CONFIG_LOCK_MM_AND_FIND_VMA=y
CONFIG_IOMMU_MM_DATA=y
CONFIG_EXECMEM=y
CONFIG_NUMA_MEMBLKS=y
CONFIG_NUMA_EMU=y
CONFIG_ARCH_HAS_USER_SHADOW_STACK=y
CONFIG_PT_RECLAIM=y

#
# Data Access Monitoring
#
CONFIG_DAMON=y
CONFIG_DAMON_VADDR=y
CONFIG_DAMON_PADDR=y
# CONFIG_DAMON_SYSFS is not set
CONFIG_DAMON_RECLAIM=y
# CONFIG_DAMON_LRU_SORT is not set
# CONFIG_DAMON_STAT is not set
# end of Data Access Monitoring
# end of Memory Management options

CONFIG_NET=y
CONFIG_WANT_COMPAT_NETLINK_MESSAGES=y
CONFIG_COMPAT_NETLINK_MESSAGES=y
CONFIG_NET_INGRESS=y
CONFIG_NET_EGRESS=y
CONFIG_NET_XGRESS=y
CONFIG_NET_REDIRECT=y
CONFIG_SKB_DECRYPTED=y
CONFIG_SKB_EXTENSIONS=y
CONFIG_NET_DEVMEM=y
CONFIG_NET_SHAPER=y
CONFIG_NET_CRC32C=y

#
# Networking options
#
CONFIG_PACKET=y
CONFIG_PACKET_DIAG=y
CONFIG_INET_PSP=y
CONFIG_UNIX=y
CONFIG_AF_UNIX_OOB=y
CONFIG_UNIX_DIAG=y
CONFIG_TLS=y
CONFIG_TLS_DEVICE=y
CONFIG_TLS_TOE=y
CONFIG_XFRM=y
CONFIG_XFRM_OFFLOAD=y
CONFIG_XFRM_ALGO=y
CONFIG_XFRM_USER=y
CONFIG_XFRM_USER_COMPAT=y
CONFIG_XFRM_INTERFACE=y
CONFIG_XFRM_SUB_POLICY=y
CONFIG_XFRM_MIGRATE=y
CONFIG_XFRM_STATISTICS=y
CONFIG_XFRM_AH=y
CONFIG_XFRM_ESP=y
CONFIG_XFRM_IPCOMP=y
CONFIG_NET_KEY=y
CONFIG_NET_KEY_MIGRATE=y
# CONFIG_XFRM_IPTFS is not set
CONFIG_XFRM_ESPINTCP=y
CONFIG_SMC=y
CONFIG_SMC_DIAG=y
# CONFIG_SMC_HS_CTRL_BPF is not set
CONFIG_DIBS=y
CONFIG_DIBS_LO=y
CONFIG_XDP_SOCKETS=y
CONFIG_XDP_SOCKETS_DIAG=y
CONFIG_NET_HANDSHAKE=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
CONFIG_IP_FIB_TRIE_STATS=y
CONFIG_IP_MULTIPLE_TABLES=y
CONFIG_IP_ROUTE_MULTIPATH=y
CONFIG_IP_ROUTE_VERBOSE=y
CONFIG_IP_ROUTE_CLASSID=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_RARP=y
CONFIG_NET_IPIP=y
CONFIG_NET_IPGRE_DEMUX=y
CONFIG_NET_IP_TUNNEL=y
CONFIG_NET_IPGRE=y
CONFIG_NET_IPGRE_BROADCAST=y
CONFIG_IP_MROUTE_COMMON=y
CONFIG_IP_MROUTE=y
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=y
CONFIG_NET_UDP_TUNNEL=y
CONFIG_NET_FOU=y
CONFIG_NET_FOU_IP_TUNNELS=y
CONFIG_INET_AH=y
CONFIG_INET_ESP=y
CONFIG_INET_ESP_OFFLOAD=y
CONFIG_INET_ESPINTCP=y
CONFIG_INET_IPCOMP=y
CONFIG_INET_TABLE_PERTURB_ORDER=16
CONFIG_INET_XFRM_TUNNEL=y
CONFIG_INET_TUNNEL=y
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
CONFIG_INET_UDP_DIAG=y
CONFIG_INET_RAW_DIAG=y
CONFIG_INET_DIAG_DESTROY=y
CONFIG_TCP_CONG_ADVANCED=y
CONFIG_TCP_CONG_BIC=y
CONFIG_TCP_CONG_CUBIC=y
CONFIG_TCP_CONG_WESTWOOD=y
CONFIG_TCP_CONG_HTCP=y
CONFIG_TCP_CONG_HSTCP=y
CONFIG_TCP_CONG_HYBLA=y
CONFIG_TCP_CONG_VEGAS=y
CONFIG_TCP_CONG_NV=y
CONFIG_TCP_CONG_SCALABLE=y
CONFIG_TCP_CONG_LP=y
CONFIG_TCP_CONG_VENO=y
CONFIG_TCP_CONG_YEAH=y
CONFIG_TCP_CONG_ILLINOIS=y
CONFIG_TCP_CONG_DCTCP=y
CONFIG_TCP_CONG_CDG=y
CONFIG_TCP_CONG_BBR=y
# CONFIG_DEFAULT_BIC is not set
CONFIG_DEFAULT_CUBIC=y
# CONFIG_DEFAULT_HTCP is not set
# CONFIG_DEFAULT_HYBLA is not set
# CONFIG_DEFAULT_VEGAS is not set
# CONFIG_DEFAULT_VENO is not set
# CONFIG_DEFAULT_WESTWOOD is not set
# CONFIG_DEFAULT_DCTCP is not set
# CONFIG_DEFAULT_CDG is not set
# CONFIG_DEFAULT_BBR is not set
# CONFIG_DEFAULT_RENO is not set
CONFIG_DEFAULT_TCP_CONG="cubic"
# CONFIG_TCP_AO is not set
CONFIG_TCP_MD5SIG=y
CONFIG_IPV6=y
CONFIG_IPV6_ROUTER_PREF=y
CONFIG_IPV6_ROUTE_INFO=y
CONFIG_IPV6_OPTIMISTIC_DAD=y
CONFIG_INET6_AH=y
CONFIG_INET6_ESP=y
CONFIG_INET6_ESP_OFFLOAD=y
CONFIG_INET6_ESPINTCP=y
CONFIG_INET6_IPCOMP=y
CONFIG_IPV6_MIP6=y
CONFIG_IPV6_ILA=y
CONFIG_INET6_XFRM_TUNNEL=y
CONFIG_INET6_TUNNEL=y
CONFIG_IPV6_VTI=y
CONFIG_IPV6_SIT=y
CONFIG_IPV6_SIT_6RD=y
CONFIG_IPV6_NDISC_NODETYPE=y
CONFIG_IPV6_TUNNEL=y
CONFIG_IPV6_GRE=y
CONFIG_IPV6_FOU=y
CONFIG_IPV6_FOU_TUNNEL=y
CONFIG_IPV6_MULTIPLE_TABLES=y
CONFIG_IPV6_SUBTREES=y
CONFIG_IPV6_MROUTE=y
CONFIG_IPV6_MROUTE_MULTIPLE_TABLES=y
CONFIG_IPV6_PIMSM_V2=y
CONFIG_IPV6_SEG6_LWTUNNEL=y
CONFIG_IPV6_SEG6_HMAC=y
CONFIG_IPV6_SEG6_BPF=y
CONFIG_IPV6_RPL_LWTUNNEL=y
# CONFIG_IPV6_IOAM6_LWTUNNEL is not set
CONFIG_NETLABEL=y
CONFIG_MPTCP=y
CONFIG_INET_MPTCP_DIAG=y
CONFIG_MPTCP_IPV6=y
CONFIG_NETWORK_SECMARK=y
CONFIG_NET_PTP_CLASSIFY=y
# CONFIG_NETWORK_PHY_TIMESTAMPING is not set
CONFIG_NETFILTER=y
CONFIG_NETFILTER_ADVANCED=y
CONFIG_BRIDGE_NETFILTER=y

#
# Core Netfilter Configuration
#
CONFIG_NETFILTER_INGRESS=y
CONFIG_NETFILTER_EGRESS=y
CONFIG_NETFILTER_SKIP_EGRESS=y
CONFIG_NETFILTER_NETLINK=y
CONFIG_NETFILTER_FAMILY_BRIDGE=y
CONFIG_NETFILTER_FAMILY_ARP=y
CONFIG_NETFILTER_BPF_LINK=y
# CONFIG_NETFILTER_NETLINK_HOOK is not set
CONFIG_NETFILTER_NETLINK_ACCT=y
CONFIG_NETFILTER_NETLINK_QUEUE=y
CONFIG_NETFILTER_NETLINK_LOG=y
CONFIG_NETFILTER_NETLINK_OSF=y
CONFIG_NF_CONNTRACK=y
CONFIG_NF_LOG_SYSLOG=y
CONFIG_NETFILTER_CONNCOUNT=y
CONFIG_NF_CONNTRACK_MARK=y
CONFIG_NF_CONNTRACK_SECMARK=y
CONFIG_NF_CONNTRACK_ZONES=y
# CONFIG_NF_CONNTRACK_PROCFS is not set
CONFIG_NF_CONNTRACK_EVENTS=y
CONFIG_NF_CONNTRACK_TIMEOUT=y
CONFIG_NF_CONNTRACK_TIMESTAMP=y
CONFIG_NF_CONNTRACK_LABELS=y
CONFIG_NF_CONNTRACK_OVS=y
CONFIG_NF_CT_PROTO_GRE=y
CONFIG_NF_CT_PROTO_SCTP=y
CONFIG_NF_CT_PROTO_UDPLITE=y
CONFIG_NF_CONNTRACK_AMANDA=y
CONFIG_NF_CONNTRACK_FTP=y
CONFIG_NF_CONNTRACK_H323=y
CONFIG_NF_CONNTRACK_IRC=y
CONFIG_NF_CONNTRACK_BROADCAST=y
CONFIG_NF_CONNTRACK_NETBIOS_NS=y
CONFIG_NF_CONNTRACK_SNMP=y
CONFIG_NF_CONNTRACK_PPTP=y
CONFIG_NF_CONNTRACK_SANE=y
CONFIG_NF_CONNTRACK_SIP=y
CONFIG_NF_CONNTRACK_TFTP=y
CONFIG_NF_CT_NETLINK=y
CONFIG_NF_CT_NETLINK_TIMEOUT=y
CONFIG_NF_CT_NETLINK_HELPER=y
CONFIG_NETFILTER_NETLINK_GLUE_CT=y
CONFIG_NF_NAT=y
CONFIG_NF_NAT_AMANDA=y
CONFIG_NF_NAT_FTP=y
CONFIG_NF_NAT_IRC=y
CONFIG_NF_NAT_SIP=y
CONFIG_NF_NAT_TFTP=y
CONFIG_NF_NAT_REDIRECT=y
CONFIG_NF_NAT_MASQUERADE=y
CONFIG_NF_NAT_OVS=y
CONFIG_NETFILTER_SYNPROXY=y
CONFIG_NF_TABLES=y
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=y
CONFIG_NFT_CT=y
CONFIG_NFT_EXTHDR_DCCP=y
CONFIG_NFT_FLOW_OFFLOAD=y
CONFIG_NFT_CONNLIMIT=y
CONFIG_NFT_LOG=y
CONFIG_NFT_LIMIT=y
CONFIG_NFT_MASQ=y
CONFIG_NFT_REDIR=y
CONFIG_NFT_NAT=y
CONFIG_NFT_TUNNEL=y
CONFIG_NFT_QUEUE=y
CONFIG_NFT_QUOTA=y
CONFIG_NFT_REJECT=y
CONFIG_NFT_REJECT_INET=y
CONFIG_NFT_COMPAT=y
CONFIG_NFT_HASH=y
CONFIG_NFT_FIB=y
CONFIG_NFT_FIB_INET=y
CONFIG_NFT_XFRM=y
CONFIG_NFT_SOCKET=y
CONFIG_NFT_OSF=y
CONFIG_NFT_TPROXY=y
CONFIG_NFT_SYNPROXY=y
CONFIG_NF_DUP_NETDEV=y
CONFIG_NFT_DUP_NETDEV=y
CONFIG_NFT_FWD_NETDEV=y
CONFIG_NFT_FIB_NETDEV=y
CONFIG_NFT_REJECT_NETDEV=y
CONFIG_NF_FLOW_TABLE_INET=y
CONFIG_NF_FLOW_TABLE=y
# CONFIG_NF_FLOW_TABLE_PROCFS is not set
CONFIG_NETFILTER_XTABLES=y
CONFIG_NETFILTER_XTABLES_COMPAT=y
CONFIG_NETFILTER_XTABLES_LEGACY=y

#
# Xtables combined modules
#
CONFIG_NETFILTER_XT_MARK=y
CONFIG_NETFILTER_XT_CONNMARK=y
CONFIG_NETFILTER_XT_SET=y

#
# Xtables targets
#
CONFIG_NETFILTER_XT_TARGET_AUDIT=y
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=y
CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y
CONFIG_NETFILTER_XT_TARGET_CT=y
CONFIG_NETFILTER_XT_TARGET_DSCP=y
CONFIG_NETFILTER_XT_TARGET_HL=y
CONFIG_NETFILTER_XT_TARGET_HMARK=y
CONFIG_NETFILTER_XT_TARGET_IDLETIMER=y
CONFIG_NETFILTER_XT_TARGET_LED=y
CONFIG_NETFILTER_XT_TARGET_LOG=y
CONFIG_NETFILTER_XT_TARGET_MARK=y
CONFIG_NETFILTER_XT_NAT=y
CONFIG_NETFILTER_XT_TARGET_NETMAP=y
CONFIG_NETFILTER_XT_TARGET_NFLOG=y
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y
CONFIG_NETFILTER_XT_TARGET_NOTRACK=y
CONFIG_NETFILTER_XT_TARGET_RATEEST=y
CONFIG_NETFILTER_XT_TARGET_REDIRECT=y
CONFIG_NETFILTER_XT_TARGET_MASQUERADE=y
CONFIG_NETFILTER_XT_TARGET_TEE=y
CONFIG_NETFILTER_XT_TARGET_TPROXY=y
CONFIG_NETFILTER_XT_TARGET_TRACE=y
CONFIG_NETFILTER_XT_TARGET_SECMARK=y
CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=y

#
# Xtables matches
#
CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=y
CONFIG_NETFILTER_XT_MATCH_BPF=y
CONFIG_NETFILTER_XT_MATCH_CGROUP=y
CONFIG_NETFILTER_XT_MATCH_CLUSTER=y
CONFIG_NETFILTER_XT_MATCH_COMMENT=y
CONFIG_NETFILTER_XT_MATCH_CONNBYTES=y
CONFIG_NETFILTER_XT_MATCH_CONNLABEL=y
CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=y
CONFIG_NETFILTER_XT_MATCH_CONNMARK=y
CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
CONFIG_NETFILTER_XT_MATCH_CPU=y
CONFIG_NETFILTER_XT_MATCH_DCCP=y
CONFIG_NETFILTER_XT_MATCH_DEVGROUP=y
CONFIG_NETFILTER_XT_MATCH_DSCP=y
CONFIG_NETFILTER_XT_MATCH_ECN=y
CONFIG_NETFILTER_XT_MATCH_ESP=y
CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=y
CONFIG_NETFILTER_XT_MATCH_HELPER=y
CONFIG_NETFILTER_XT_MATCH_HL=y
CONFIG_NETFILTER_XT_MATCH_IPCOMP=y
CONFIG_NETFILTER_XT_MATCH_IPRANGE=y
CONFIG_NETFILTER_XT_MATCH_IPVS=y
CONFIG_NETFILTER_XT_MATCH_L2TP=y
CONFIG_NETFILTER_XT_MATCH_LENGTH=y
CONFIG_NETFILTER_XT_MATCH_LIMIT=y
CONFIG_NETFILTER_XT_MATCH_MAC=y
CONFIG_NETFILTER_XT_MATCH_MARK=y
CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
CONFIG_NETFILTER_XT_MATCH_NFACCT=y
CONFIG_NETFILTER_XT_MATCH_OSF=y
CONFIG_NETFILTER_XT_MATCH_OWNER=y
CONFIG_NETFILTER_XT_MATCH_POLICY=y
CONFIG_NETFILTER_XT_MATCH_PHYSDEV=y
CONFIG_NETFILTER_XT_MATCH_PKTTYPE=y
CONFIG_NETFILTER_XT_MATCH_QUOTA=y
CONFIG_NETFILTER_XT_MATCH_RATEEST=y
CONFIG_NETFILTER_XT_MATCH_REALM=y
CONFIG_NETFILTER_XT_MATCH_RECENT=y
CONFIG_NETFILTER_XT_MATCH_SCTP=y
CONFIG_NETFILTER_XT_MATCH_SOCKET=y
CONFIG_NETFILTER_XT_MATCH_STATE=y
CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
CONFIG_NETFILTER_XT_MATCH_STRING=y
CONFIG_NETFILTER_XT_MATCH_TCPMSS=y
CONFIG_NETFILTER_XT_MATCH_TIME=y
CONFIG_NETFILTER_XT_MATCH_U32=y
# end of Core Netfilter Configuration

CONFIG_IP_SET=y
CONFIG_IP_SET_MAX=256
CONFIG_IP_SET_BITMAP_IP=y
CONFIG_IP_SET_BITMAP_IPMAC=y
CONFIG_IP_SET_BITMAP_PORT=y
CONFIG_IP_SET_HASH_IP=y
CONFIG_IP_SET_HASH_IPMARK=y
CONFIG_IP_SET_HASH_IPPORT=y
CONFIG_IP_SET_HASH_IPPORTIP=y
CONFIG_IP_SET_HASH_IPPORTNET=y
CONFIG_IP_SET_HASH_IPMAC=y
CONFIG_IP_SET_HASH_MAC=y
CONFIG_IP_SET_HASH_NETPORTNET=y
CONFIG_IP_SET_HASH_NET=y
CONFIG_IP_SET_HASH_NETNET=y
CONFIG_IP_SET_HASH_NETPORT=y
CONFIG_IP_SET_HASH_NETIFACE=y
CONFIG_IP_SET_LIST_SET=y
CONFIG_IP_VS=y
CONFIG_IP_VS_IPV6=y
# CONFIG_IP_VS_DEBUG is not set
CONFIG_IP_VS_TAB_BITS=12

#
# IPVS transport protocol load balancing support
#
CONFIG_IP_VS_PROTO_TCP=y
CONFIG_IP_VS_PROTO_UDP=y
CONFIG_IP_VS_PROTO_AH_ESP=y
CONFIG_IP_VS_PROTO_ESP=y
CONFIG_IP_VS_PROTO_AH=y
CONFIG_IP_VS_PROTO_SCTP=y

#
# IPVS scheduler
#
CONFIG_IP_VS_RR=y
CONFIG_IP_VS_WRR=y
CONFIG_IP_VS_LC=y
CONFIG_IP_VS_WLC=y
CONFIG_IP_VS_FO=y
CONFIG_IP_VS_OVF=y
CONFIG_IP_VS_LBLC=y
CONFIG_IP_VS_LBLCR=y
CONFIG_IP_VS_DH=y
CONFIG_IP_VS_SH=y
CONFIG_IP_VS_MH=y
CONFIG_IP_VS_SED=y
CONFIG_IP_VS_NQ=y
CONFIG_IP_VS_TWOS=y

#
# IPVS SH scheduler
#
CONFIG_IP_VS_SH_TAB_BITS=8

#
# IPVS MH scheduler
#
CONFIG_IP_VS_MH_TAB_INDEX=12

#
# IPVS application helper
#
CONFIG_IP_VS_FTP=y
CONFIG_IP_VS_NFCT=y
CONFIG_IP_VS_PE_SIP=y

#
# IP: Netfilter Configuration
#
CONFIG_NF_DEFRAG_IPV4=y
CONFIG_IP_NF_IPTABLES_LEGACY=y
CONFIG_NF_SOCKET_IPV4=y
CONFIG_NF_TPROXY_IPV4=y
CONFIG_NF_TABLES_IPV4=y
CONFIG_NFT_REJECT_IPV4=y
CONFIG_NFT_DUP_IPV4=y
CONFIG_NFT_FIB_IPV4=y
CONFIG_NF_TABLES_ARP=y
CONFIG_NF_DUP_IPV4=y
CONFIG_NF_LOG_ARP=y
CONFIG_NF_LOG_IPV4=y
CONFIG_NF_REJECT_IPV4=y
CONFIG_NF_NAT_SNMP_BASIC=y
CONFIG_NF_NAT_PPTP=y
CONFIG_NF_NAT_H323=y
CONFIG_IP_NF_IPTABLES=y
CONFIG_IP_NF_MATCH_AH=y
CONFIG_IP_NF_MATCH_ECN=y
CONFIG_IP_NF_MATCH_RPFILTER=y
CONFIG_IP_NF_MATCH_TTL=y
CONFIG_IP_NF_FILTER=y
CONFIG_IP_NF_TARGET_REJECT=y
CONFIG_IP_NF_TARGET_SYNPROXY=y
CONFIG_IP_NF_NAT=y
CONFIG_IP_NF_TARGET_MASQUERADE=y
CONFIG_IP_NF_TARGET_NETMAP=y
CONFIG_IP_NF_TARGET_REDIRECT=y
CONFIG_IP_NF_MANGLE=y
CONFIG_IP_NF_TARGET_ECN=y
CONFIG_IP_NF_TARGET_TTL=y
CONFIG_IP_NF_RAW=y
CONFIG_IP_NF_SECURITY=y
CONFIG_IP_NF_ARPTABLES=y
CONFIG_NFT_COMPAT_ARP=y
CONFIG_IP_NF_ARPFILTER=y
CONFIG_IP_NF_ARP_MANGLE=y
# end of IP: Netfilter Configuration

#
# IPv6: Netfilter Configuration
#
CONFIG_IP6_NF_IPTABLES_LEGACY=y
CONFIG_NF_SOCKET_IPV6=y
CONFIG_NF_TPROXY_IPV6=y
CONFIG_NF_TABLES_IPV6=y
CONFIG_NFT_REJECT_IPV6=y
CONFIG_NFT_DUP_IPV6=y
CONFIG_NFT_FIB_IPV6=y
CONFIG_NF_DUP_IPV6=y
CONFIG_NF_REJECT_IPV6=y
CONFIG_NF_LOG_IPV6=y
CONFIG_IP6_NF_IPTABLES=y
CONFIG_IP6_NF_MATCH_AH=y
CONFIG_IP6_NF_MATCH_EUI64=y
CONFIG_IP6_NF_MATCH_FRAG=y
CONFIG_IP6_NF_MATCH_OPTS=y
CONFIG_IP6_NF_MATCH_HL=y
CONFIG_IP6_NF_MATCH_IPV6HEADER=y
CONFIG_IP6_NF_MATCH_MH=y
CONFIG_IP6_NF_MATCH_RPFILTER=y
CONFIG_IP6_NF_MATCH_RT=y
CONFIG_IP6_NF_MATCH_SRH=y
CONFIG_IP6_NF_TARGET_HL=y
CONFIG_IP6_NF_FILTER=y
CONFIG_IP6_NF_TARGET_REJECT=y
CONFIG_IP6_NF_TARGET_SYNPROXY=y
CONFIG_IP6_NF_MANGLE=y
CONFIG_IP6_NF_RAW=y
CONFIG_IP6_NF_SECURITY=y
CONFIG_IP6_NF_NAT=y
CONFIG_IP6_NF_TARGET_MASQUERADE=y
CONFIG_IP6_NF_TARGET_NPT=y
# end of IPv6: Netfilter Configuration

CONFIG_NF_DEFRAG_IPV6=y
CONFIG_NF_TABLES_BRIDGE=y
CONFIG_NFT_BRIDGE_META=y
CONFIG_NFT_BRIDGE_REJECT=y
CONFIG_NF_CONNTRACK_BRIDGE=y
CONFIG_BRIDGE_NF_EBTABLES_LEGACY=y
CONFIG_BRIDGE_NF_EBTABLES=y
CONFIG_BRIDGE_EBT_BROUTE=y
CONFIG_BRIDGE_EBT_T_FILTER=y
CONFIG_BRIDGE_EBT_T_NAT=y
CONFIG_BRIDGE_EBT_802_3=y
CONFIG_BRIDGE_EBT_AMONG=y
CONFIG_BRIDGE_EBT_ARP=y
CONFIG_BRIDGE_EBT_IP=y
CONFIG_BRIDGE_EBT_IP6=y
CONFIG_BRIDGE_EBT_LIMIT=y
CONFIG_BRIDGE_EBT_MARK=y
CONFIG_BRIDGE_EBT_PKTTYPE=y
CONFIG_BRIDGE_EBT_STP=y
CONFIG_BRIDGE_EBT_VLAN=y
CONFIG_BRIDGE_EBT_ARPREPLY=y
CONFIG_BRIDGE_EBT_DNAT=y
CONFIG_BRIDGE_EBT_MARK_T=y
CONFIG_BRIDGE_EBT_REDIRECT=y
CONFIG_BRIDGE_EBT_SNAT=y
CONFIG_BRIDGE_EBT_LOG=y
CONFIG_BRIDGE_EBT_NFLOG=y
CONFIG_IP_SCTP=y
# CONFIG_SCTP_DBG_OBJCNT is not set
CONFIG_SCTP_DEFAULT_COOKIE_HMAC_SHA256=y
# CONFIG_SCTP_DEFAULT_COOKIE_HMAC_NONE is not set
CONFIG_INET_SCTP_DIAG=y
CONFIG_RDS=y
CONFIG_RDS_RDMA=y
CONFIG_RDS_TCP=y
# CONFIG_RDS_DEBUG is not set
CONFIG_TIPC=y
CONFIG_TIPC_MEDIA_IB=y
CONFIG_TIPC_MEDIA_UDP=y
CONFIG_TIPC_CRYPTO=y
CONFIG_TIPC_DIAG=y
CONFIG_ATM=y
CONFIG_ATM_CLIP=y
# CONFIG_ATM_CLIP_NO_ICMP is not set
CONFIG_ATM_LANE=y
CONFIG_ATM_MPOA=y
CONFIG_ATM_BR2684=y
# CONFIG_ATM_BR2684_IPFILTER is not set
CONFIG_L2TP=y
# CONFIG_L2TP_DEBUGFS is not set
CONFIG_L2TP_V3=y
CONFIG_L2TP_IP=y
CONFIG_L2TP_ETH=y
CONFIG_STP=y
CONFIG_GARP=y
CONFIG_MRP=y
CONFIG_BRIDGE=y
CONFIG_BRIDGE_IGMP_SNOOPING=y
CONFIG_BRIDGE_VLAN_FILTERING=y
CONFIG_BRIDGE_MRP=y
CONFIG_BRIDGE_CFM=y
CONFIG_NET_DSA=y
# CONFIG_NET_DSA_TAG_NONE is not set
# CONFIG_NET_DSA_TAG_AR9331 is not set
CONFIG_NET_DSA_TAG_BRCM_COMMON=y
CONFIG_NET_DSA_TAG_BRCM=y
# CONFIG_NET_DSA_TAG_BRCM_LEGACY is not set
# CONFIG_NET_DSA_TAG_BRCM_LEGACY_FCS is not set
CONFIG_NET_DSA_TAG_BRCM_PREPEND=y
# CONFIG_NET_DSA_TAG_HELLCREEK is not set
# CONFIG_NET_DSA_TAG_GSWIP is not set
# CONFIG_NET_DSA_TAG_DSA is not set
# CONFIG_NET_DSA_TAG_EDSA is not set
CONFIG_NET_DSA_TAG_MTK=y
# CONFIG_NET_DSA_TAG_MXL_862XX is not set
# CONFIG_NET_DSA_TAG_MXL_GSW1XX is not set
# CONFIG_NET_DSA_TAG_KSZ is not set
# CONFIG_NET_DSA_TAG_OCELOT is not set
# CONFIG_NET_DSA_TAG_OCELOT_8021Q is not set
CONFIG_NET_DSA_TAG_QCA=y
CONFIG_NET_DSA_TAG_RTL4_A=y
# CONFIG_NET_DSA_TAG_RTL8_4 is not set
# CONFIG_NET_DSA_TAG_RZN1_A5PSW is not set
# CONFIG_NET_DSA_TAG_LAN9303 is not set
# CONFIG_NET_DSA_TAG_SJA1105 is not set
# CONFIG_NET_DSA_TAG_TRAILER is not set
# CONFIG_NET_DSA_TAG_VSC73XX_8021Q is not set
# CONFIG_NET_DSA_TAG_XRS700X is not set
# CONFIG_NET_DSA_TAG_YT921X is not set
CONFIG_VLAN_8021Q=y
CONFIG_VLAN_8021Q_GVRP=y
CONFIG_VLAN_8021Q_MVRP=y
CONFIG_LLC=y
CONFIG_LLC2=y
# CONFIG_ATALK is not set
CONFIG_X25=y
CONFIG_LAPB=y
CONFIG_PHONET=y
CONFIG_6LOWPAN=y
# CONFIG_6LOWPAN_DEBUGFS is not set
CONFIG_6LOWPAN_NHC=y
CONFIG_6LOWPAN_NHC_DEST=y
CONFIG_6LOWPAN_NHC_FRAGMENT=y
CONFIG_6LOWPAN_NHC_HOP=y
CONFIG_6LOWPAN_NHC_IPV6=y
CONFIG_6LOWPAN_NHC_MOBILITY=y
CONFIG_6LOWPAN_NHC_ROUTING=y
CONFIG_6LOWPAN_NHC_UDP=y
CONFIG_6LOWPAN_GHC_EXT_HDR_HOP=y
CONFIG_6LOWPAN_GHC_UDP=y
CONFIG_6LOWPAN_GHC_ICMPV6=y
CONFIG_6LOWPAN_GHC_EXT_HDR_DEST=y
CONFIG_6LOWPAN_GHC_EXT_HDR_FRAG=y
CONFIG_6LOWPAN_GHC_EXT_HDR_ROUTE=y
CONFIG_IEEE802154=y
CONFIG_IEEE802154_NL802154_EXPERIMENTAL=y
CONFIG_IEEE802154_SOCKET=y
CONFIG_IEEE802154_6LOWPAN=y
CONFIG_MAC802154=y
CONFIG_NET_SCHED=y

#
# Queueing/Scheduling
#
CONFIG_NET_SCH_HTB=y
CONFIG_NET_SCH_HFSC=y
CONFIG_NET_SCH_PRIO=y
CONFIG_NET_SCH_MULTIQ=y
CONFIG_NET_SCH_RED=y
CONFIG_NET_SCH_SFB=y
CONFIG_NET_SCH_SFQ=y
CONFIG_NET_SCH_TEQL=y
CONFIG_NET_SCH_TBF=y
CONFIG_NET_SCH_CBS=y
CONFIG_NET_SCH_ETF=y
CONFIG_NET_SCH_MQPRIO_LIB=y
CONFIG_NET_SCH_TAPRIO=y
CONFIG_NET_SCH_GRED=y
CONFIG_NET_SCH_NETEM=y
CONFIG_NET_SCH_DRR=y
CONFIG_NET_SCH_MQPRIO=y
CONFIG_NET_SCH_SKBPRIO=y
CONFIG_NET_SCH_CHOKE=y
CONFIG_NET_SCH_QFQ=y
CONFIG_NET_SCH_CODEL=y
CONFIG_NET_SCH_FQ_CODEL=y
CONFIG_NET_SCH_CAKE=y
CONFIG_NET_SCH_FQ=y
CONFIG_NET_SCH_HHF=y
CONFIG_NET_SCH_PIE=y
CONFIG_NET_SCH_FQ_PIE=y
CONFIG_NET_SCH_INGRESS=y
CONFIG_NET_SCH_PLUG=y
CONFIG_NET_SCH_ETS=y
# CONFIG_NET_SCH_DUALPI2 is not set
CONFIG_NET_SCH_DEFAULT=y
# CONFIG_DEFAULT_FQ is not set
CONFIG_DEFAULT_CODEL=y
# CONFIG_DEFAULT_FQ_CODEL is not set
# CONFIG_DEFAULT_FQ_PIE is not set
# CONFIG_DEFAULT_SFQ is not set
# CONFIG_DEFAULT_PFIFO_FAST is not set
CONFIG_DEFAULT_NET_SCH="pfifo_fast"

#
# Classification
#
CONFIG_NET_CLS=y
CONFIG_NET_CLS_BASIC=y
CONFIG_NET_CLS_ROUTE4=y
CONFIG_NET_CLS_FW=y
CONFIG_NET_CLS_U32=y
CONFIG_CLS_U32_PERF=y
CONFIG_CLS_U32_MARK=y
CONFIG_NET_CLS_FLOW=y
CONFIG_NET_CLS_CGROUP=y
CONFIG_NET_CLS_BPF=y
CONFIG_NET_CLS_FLOWER=y
CONFIG_NET_CLS_MATCHALL=y
CONFIG_NET_EMATCH=y
CONFIG_NET_EMATCH_STACK=32
CONFIG_NET_EMATCH_CMP=y
CONFIG_NET_EMATCH_NBYTE=y
CONFIG_NET_EMATCH_U32=y
CONFIG_NET_EMATCH_META=y
CONFIG_NET_EMATCH_TEXT=y
CONFIG_NET_EMATCH_CANID=y
CONFIG_NET_EMATCH_IPSET=y
CONFIG_NET_EMATCH_IPT=y
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=y
CONFIG_NET_ACT_GACT=y
CONFIG_GACT_PROB=y
CONFIG_NET_ACT_MIRRED=y
CONFIG_NET_ACT_SAMPLE=y
CONFIG_NET_ACT_NAT=y
CONFIG_NET_ACT_PEDIT=y
CONFIG_NET_ACT_SIMP=y
CONFIG_NET_ACT_SKBEDIT=y
CONFIG_NET_ACT_CSUM=y
CONFIG_NET_ACT_MPLS=y
CONFIG_NET_ACT_VLAN=y
CONFIG_NET_ACT_BPF=y
CONFIG_NET_ACT_CONNMARK=y
CONFIG_NET_ACT_CTINFO=y
CONFIG_NET_ACT_SKBMOD=y
CONFIG_NET_ACT_IFE=y
CONFIG_NET_ACT_TUNNEL_KEY=y
CONFIG_NET_ACT_CT=y
CONFIG_NET_ACT_GATE=y
CONFIG_NET_IFE_SKBMARK=y
CONFIG_NET_IFE_SKBPRIO=y
CONFIG_NET_IFE_SKBTCINDEX=y
CONFIG_NET_TC_SKB_EXT=y
CONFIG_NET_SCH_FIFO=y
CONFIG_DCB=y
CONFIG_DNS_RESOLVER=y
CONFIG_BATMAN_ADV=y
CONFIG_BATMAN_ADV_BATMAN_V=y
CONFIG_BATMAN_ADV_BLA=y
CONFIG_BATMAN_ADV_DAT=y
CONFIG_BATMAN_ADV_MCAST=y
# CONFIG_BATMAN_ADV_DEBUG is not set
# CONFIG_BATMAN_ADV_TRACING is not set
CONFIG_OPENVSWITCH=y
CONFIG_OPENVSWITCH_GRE=y
CONFIG_OPENVSWITCH_VXLAN=y
CONFIG_OPENVSWITCH_GENEVE=y
CONFIG_VSOCKETS=y
CONFIG_VSOCKETS_DIAG=y
CONFIG_VSOCKETS_LOOPBACK=y
# CONFIG_VMWARE_VMCI_VSOCKETS is not set
CONFIG_VIRTIO_VSOCKETS=y
CONFIG_VIRTIO_VSOCKETS_COMMON=y
CONFIG_NETLINK_DIAG=y
CONFIG_MPLS=y
CONFIG_NET_MPLS_GSO=y
CONFIG_MPLS_ROUTING=y
CONFIG_MPLS_IPTUNNEL=y
CONFIG_NET_NSH=y
CONFIG_HSR=y
CONFIG_NET_SWITCHDEV=y
CONFIG_NET_L3_MASTER_DEV=y
CONFIG_QRTR=y
CONFIG_QRTR_TUN=y
# CONFIG_QRTR_MHI is not set
CONFIG_NET_NCSI=y
# CONFIG_NCSI_OEM_CMD_GET_MAC is not set
# CONFIG_NCSI_OEM_CMD_KEEP_PHY is not set
# CONFIG_PCPU_DEV_REFCNT is not set
CONFIG_MAX_SKB_FRAGS=17
CONFIG_RPS=y
CONFIG_RFS_ACCEL=y
CONFIG_SOCK_RX_QUEUE_MAPPING=y
CONFIG_XPS=y
CONFIG_CGROUP_NET_PRIO=y
CONFIG_CGROUP_NET_CLASSID=y
CONFIG_NET_RX_BUSY_POLL=y
CONFIG_BQL=y
CONFIG_NET_FLOW_LIMIT=y

#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
CONFIG_NET_DROP_MONITOR=y
# end of Network testing
# end of Networking options

CONFIG_HAMRADIO=y

#
# Packet Radio protocols
#
CONFIG_AX25=y
CONFIG_AX25_DAMA_SLAVE=y
CONFIG_NETROM=y
CONFIG_ROSE=y

#
# AX.25 network device drivers
#
CONFIG_MKISS=y
CONFIG_6PACK=y
CONFIG_BPQETHER=y
# CONFIG_BAYCOM_SER_FDX is not set
# CONFIG_BAYCOM_SER_HDX is not set
# CONFIG_BAYCOM_PAR is not set
# CONFIG_YAM is not set
# end of AX.25 network device drivers

CONFIG_CAN=y
CONFIG_CAN_RAW=y
CONFIG_CAN_BCM=y
CONFIG_CAN_GW=y
CONFIG_CAN_J1939=y
CONFIG_CAN_ISOTP=y
CONFIG_BT=y
CONFIG_BT_BREDR=y
CONFIG_BT_RFCOMM=y
CONFIG_BT_RFCOMM_TTY=y
CONFIG_BT_BNEP=y
CONFIG_BT_BNEP_MC_FILTER=y
CONFIG_BT_BNEP_PROTO_FILTER=y
CONFIG_BT_HIDP=y
CONFIG_BT_LE=y
CONFIG_BT_LE_L2CAP_ECRED=y
CONFIG_BT_6LOWPAN=y
CONFIG_BT_LEDS=y
CONFIG_BT_MSFTEXT=y
# CONFIG_BT_AOSPEXT is not set
# CONFIG_BT_DEBUGFS is not set
# CONFIG_BT_SELFTEST is not set

#
# Bluetooth device drivers
#
CONFIG_BT_INTEL=y
CONFIG_BT_BCM=y
CONFIG_BT_RTL=y
CONFIG_BT_QCA=y
CONFIG_BT_MTK=y
CONFIG_BT_HCIBTUSB=y
CONFIG_BT_HCIBTUSB_AUTOSUSPEND=y
CONFIG_BT_HCIBTUSB_POLL_SYNC=y
CONFIG_BT_HCIBTUSB_BCM=y
CONFIG_BT_HCIBTUSB_MTK=y
CONFIG_BT_HCIBTUSB_RTL=y
# CONFIG_BT_HCIBTSDIO is not set
CONFIG_BT_HCIUART=y
CONFIG_BT_HCIUART_SERDEV=y
CONFIG_BT_HCIUART_H4=y
# CONFIG_BT_HCIUART_NOKIA is not set
CONFIG_BT_HCIUART_BCSP=y
# CONFIG_BT_HCIUART_ATH3K is not set
CONFIG_BT_HCIUART_LL=y
CONFIG_BT_HCIUART_3WIRE=y
# CONFIG_BT_HCIUART_INTEL is not set
# CONFIG_BT_HCIUART_BCM is not set
# CONFIG_BT_HCIUART_RTL is not set
CONFIG_BT_HCIUART_QCA=y
CONFIG_BT_HCIUART_AG6XX=y
CONFIG_BT_HCIUART_MRVL=y
# CONFIG_BT_HCIUART_AML is not set
CONFIG_BT_HCIBCM203X=y
# CONFIG_BT_HCIBCM4377 is not set
CONFIG_BT_HCIBPA10X=y
CONFIG_BT_HCIBFUSB=y
# CONFIG_BT_HCIDTL1 is not set
# CONFIG_BT_HCIBT3C is not set
# CONFIG_BT_HCIBLUECARD is not set
CONFIG_BT_HCIVHCI=y
CONFIG_BT_MRVL=y
CONFIG_BT_MRVL_SDIO=y
CONFIG_BT_ATH3K=y
CONFIG_BT_MTKSDIO=y
CONFIG_BT_MTKUART=y
# CONFIG_BT_VIRTIO is not set
# CONFIG_BT_NXPUART is not set
# CONFIG_BT_INTEL_PCIE is not set
# end of Bluetooth device drivers

CONFIG_AF_RXRPC=y
CONFIG_AF_RXRPC_IPV6=y
# CONFIG_AF_RXRPC_INJECT_LOSS is not set
# CONFIG_AF_RXRPC_INJECT_RX_DELAY is not set
# CONFIG_AF_RXRPC_DEBUG is not set
CONFIG_RXKAD=y
# CONFIG_RXGK is not set
# CONFIG_RXPERF is not set
CONFIG_AF_KCM=y
CONFIG_STREAM_PARSER=y
CONFIG_MCTP=y
CONFIG_FIB_RULES=y
CONFIG_WIRELESS=y
CONFIG_WEXT_CORE=y
CONFIG_WEXT_PROC=y
CONFIG_CFG80211=y
# CONFIG_NL80211_TESTMODE is not set
# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
# CONFIG_CFG80211_CERTIFICATION_ONUS is not set
CONFIG_CFG80211_REQUIRE_SIGNED_REGDB=y
CONFIG_CFG80211_USE_KERNEL_REGDB_KEYS=y
CONFIG_CFG80211_DEFAULT_PS=y
CONFIG_CFG80211_DEBUGFS=y
CONFIG_CFG80211_CRDA_SUPPORT=y
CONFIG_CFG80211_WEXT=y
CONFIG_MAC80211=y
CONFIG_MAC80211_HAS_RC=y
CONFIG_MAC80211_RC_MINSTREL=y
CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y
CONFIG_MAC80211_RC_DEFAULT="minstrel_ht"
CONFIG_MAC80211_MESH=y
CONFIG_MAC80211_LEDS=y
CONFIG_MAC80211_DEBUGFS=y
# CONFIG_MAC80211_MESSAGE_TRACING is not set
# CONFIG_MAC80211_DEBUG_MENU is not set
CONFIG_MAC80211_STA_HASH_MAX_SIZE=0
CONFIG_RFKILL=y
CONFIG_RFKILL_LEDS=y
CONFIG_RFKILL_INPUT=y
# CONFIG_RFKILL_GPIO is not set
CONFIG_NET_9P=y
CONFIG_NET_9P_FD=y
CONFIG_NET_9P_VIRTIO=y
# CONFIG_NET_9P_USBG is not set
CONFIG_NET_9P_RDMA=y
# CONFIG_NET_9P_DEBUG is not set
CONFIG_CAIF=y
CONFIG_CAIF_DEBUG=y
CONFIG_CAIF_NETDEV=y
CONFIG_CAIF_USB=y
CONFIG_CEPH_LIB=y
# CONFIG_CEPH_LIB_PRETTYDEBUG is not set
CONFIG_CEPH_LIB_USE_DNS_RESOLVER=y
CONFIG_NFC=y
CONFIG_NFC_DIGITAL=y
CONFIG_NFC_NCI=y
# CONFIG_NFC_NCI_SPI is not set
CONFIG_NFC_NCI_UART=y
CONFIG_NFC_HCI=y
CONFIG_NFC_SHDLC=y

#
# Near Field Communication (NFC) devices
#
# CONFIG_NFC_TRF7970A is not set
# CONFIG_NFC_MEI_PHY is not set
CONFIG_NFC_SIM=y
CONFIG_NFC_PORT100=y
CONFIG_NFC_VIRTUAL_NCI=y
CONFIG_NFC_FDP=y
# CONFIG_NFC_FDP_I2C is not set
# CONFIG_NFC_PN544_I2C is not set
CONFIG_NFC_PN533=y
CONFIG_NFC_PN533_USB=y
# CONFIG_NFC_PN533_I2C is not set
# CONFIG_NFC_PN532_UART is not set
# CONFIG_NFC_MICROREAD_I2C is not set
CONFIG_NFC_MRVL=y
CONFIG_NFC_MRVL_USB=y
# CONFIG_NFC_MRVL_UART is not set
# CONFIG_NFC_MRVL_I2C is not set
# CONFIG_NFC_ST21NFCA_I2C is not set
# CONFIG_NFC_ST_NCI_I2C is not set
# CONFIG_NFC_ST_NCI_SPI is not set
# CONFIG_NFC_NXP_NCI is not set
# CONFIG_NFC_S3FWRN5_I2C is not set
# CONFIG_NFC_S3FWRN82_UART is not set
# CONFIG_NFC_ST95HF is not set
# end of Near Field Communication (NFC) devices

CONFIG_PSAMPLE=y
CONFIG_NET_IFE=y
CONFIG_LWTUNNEL=y
CONFIG_LWTUNNEL_BPF=y
CONFIG_DST_CACHE=y
CONFIG_GRO_CELLS=y
CONFIG_SOCK_VALIDATE_XMIT=y
CONFIG_NET_SELFTESTS=y
CONFIG_NET_SOCK_MSG=y
CONFIG_NET_DEVLINK=y
CONFIG_PAGE_POOL=y
# CONFIG_PAGE_POOL_STATS is not set
CONFIG_FAILOVER=y
CONFIG_ETHTOOL_NETLINK=y

#
# Device Drivers
#
CONFIG_HAVE_PCI=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_PCI=y
CONFIG_PCI_DOMAINS=y
CONFIG_PCIEPORTBUS=y
CONFIG_HOTPLUG_PCI_PCIE=y
CONFIG_PCIEAER=y
# CONFIG_PCIEAER_INJECT is not set
# CONFIG_PCIE_ECRC is not set
CONFIG_PCIEASPM=y
CONFIG_PCIEASPM_DEFAULT=y
# CONFIG_PCIEASPM_POWERSAVE is not set
# CONFIG_PCIEASPM_POWER_SUPERSAVE is not set
# CONFIG_PCIEASPM_PERFORMANCE is not set
CONFIG_PCIE_PME=y
# CONFIG_PCIE_DPC is not set
# CONFIG_PCIE_PTM is not set
CONFIG_PCI_MSI=y
CONFIG_PCI_QUIRKS=y
# CONFIG_PCI_DEBUG is not set
# CONFIG_PCI_REALLOC_ENABLE_AUTO is not set
# CONFIG_PCI_STUB is not set
# CONFIG_PCI_PF_STUB is not set
CONFIG_PCI_ATS=y
# CONFIG_PCI_TSM is not set
# CONFIG_PCI_DOE is not set
CONFIG_PCI_ECAM=y
CONFIG_PCI_LOCKLESS_CONFIG=y
CONFIG_PCI_IOV=y
# CONFIG_PCI_NPEM is not set
CONFIG_PCI_PRI=y
CONFIG_PCI_PASID=y
# CONFIG_PCIE_TPH is not set
# CONFIG_PCI_P2PDMA is not set
CONFIG_PCI_LABEL=y
# CONFIG_PCI_DYNAMIC_OF_NODES is not set
# CONFIG_PCIE_BUS_TUNE_OFF is not set
CONFIG_PCIE_BUS_DEFAULT=y
# CONFIG_PCIE_BUS_SAFE is not set
# CONFIG_PCIE_BUS_PERFORMANCE is not set
# CONFIG_PCIE_BUS_PEER2PEER is not set
CONFIG_VGA_ARB=y
CONFIG_VGA_ARB_MAX_GPUS=16
CONFIG_HOTPLUG_PCI=y
# CONFIG_HOTPLUG_PCI_ACPI is not set
# CONFIG_HOTPLUG_PCI_CPCI is not set
# CONFIG_HOTPLUG_PCI_OCTEONEP is not set
# CONFIG_HOTPLUG_PCI_SHPC is not set

#
# PCI controller drivers
#
CONFIG_PCI_HOST_COMMON=y
# CONFIG_PCI_FTPCI100 is not set
CONFIG_PCI_HOST_GENERIC=y
# CONFIG_VMD is not set
# CONFIG_PCIE_XILINX is not set

#
# Cadence-based PCIe controllers
#
# CONFIG_PCIE_CADENCE_PLAT_HOST is not set
# CONFIG_PCIE_CADENCE_PLAT_EP is not set
# end of Cadence-based PCIe controllers

#
# DesignWare-based PCIe controllers
#
# CONFIG_PCI_MESON is not set
# CONFIG_PCIE_INTEL_GW is not set
# CONFIG_PCIE_DW_PLAT_HOST is not set
# CONFIG_PCIE_DW_PLAT_EP is not set
# end of DesignWare-based PCIe controllers

#
# Mobiveil-based PCIe controllers
#
# end of Mobiveil-based PCIe controllers

#
# PLDA-based PCIe controllers
#
# CONFIG_PCIE_MICROCHIP_HOST is not set
# end of PLDA-based PCIe controllers
# end of PCI controller drivers

#
# PCI Endpoint
#
CONFIG_PCI_ENDPOINT=y
# CONFIG_PCI_ENDPOINT_CONFIGFS is not set
# CONFIG_PCI_ENDPOINT_MSI_DOORBELL is not set
# CONFIG_PCI_EPF_TEST is not set
# CONFIG_PCI_EPF_NTB is not set
# end of PCI Endpoint

#
# PCI switch controller drivers
#
# CONFIG_PCI_SW_SWITCHTEC is not set
# end of PCI switch controller drivers

# CONFIG_PCI_PWRCTRL_SLOT is not set
# CONFIG_PCI_PWRCTRL_TC9563 is not set
# CONFIG_CXL_BUS is not set
CONFIG_PCCARD=y
CONFIG_PCMCIA=y
CONFIG_PCMCIA_LOAD_CIS=y
CONFIG_CARDBUS=y

#
# PC-card bridges
#
CONFIG_YENTA=y
CONFIG_YENTA_O2=y
CONFIG_YENTA_RICOH=y
CONFIG_YENTA_TI=y
CONFIG_YENTA_ENE_TUNE=y
CONFIG_YENTA_TOSHIBA=y
# CONFIG_PD6729 is not set
# CONFIG_I82092 is not set
CONFIG_PCCARD_NONSTATIC=y
# CONFIG_RAPIDIO is not set
# CONFIG_PC104 is not set

#
# Generic Driver Options
#
CONFIG_AUXILIARY_BUS=y
CONFIG_UEVENT_HELPER=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
# CONFIG_DEVTMPFS_SAFE is not set
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y

#
# Firmware loader
#
CONFIG_FW_LOADER=y
# CONFIG_FW_LOADER_DEBUG is not set
CONFIG_FW_LOADER_PAGED_BUF=y
CONFIG_FW_LOADER_SYSFS=y
CONFIG_EXTRA_FIRMWARE=""
CONFIG_FW_LOADER_USER_HELPER=y
CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
CONFIG_FW_LOADER_COMPRESS=y
# CONFIG_FW_LOADER_COMPRESS_XZ is not set
# CONFIG_FW_LOADER_COMPRESS_ZSTD is not set
CONFIG_FW_CACHE=y
# CONFIG_FW_UPLOAD is not set
# end of Firmware loader

CONFIG_WANT_DEV_COREDUMP=y
CONFIG_ALLOW_DEV_COREDUMP=y
CONFIG_DEV_COREDUMP=y
# CONFIG_DEBUG_DRIVER is not set
CONFIG_DEBUG_DEVRES=y
# CONFIG_DEBUG_TEST_DRIVER_REMOVE is not set
# CONFIG_TEST_ASYNC_DRIVER_PROBE is not set
CONFIG_GENERIC_CPU_DEVICES=y
CONFIG_GENERIC_CPU_AUTOPROBE=y
CONFIG_GENERIC_CPU_VULNERABILITIES=y
CONFIG_REGMAP=y
CONFIG_REGMAP_I2C=y
CONFIG_REGMAP_SPI=y
CONFIG_REGMAP_MMIO=y
CONFIG_REGMAP_IRQ=y
CONFIG_DMA_SHARED_BUFFER=y
# CONFIG_DMA_FENCE_TRACE is not set
# CONFIG_FW_DEVLINK_SYNC_STATE_TIMEOUT is not set
# end of Generic Driver Options

#
# Bus devices
#
# CONFIG_MOXTET is not set
CONFIG_MHI_BUS=y
# CONFIG_MHI_BUS_DEBUG is not set
# CONFIG_MHI_BUS_PCI_GENERIC is not set
# CONFIG_MHI_BUS_EP is not set
# end of Bus devices

CONFIG_CONNECTOR=y
CONFIG_PROC_EVENTS=y

#
# Firmware Drivers
#

#
# ARM System Control and Management Interface Protocol
#
# end of ARM System Control and Management Interface Protocol

# CONFIG_EDD is not set
CONFIG_FIRMWARE_MEMMAP=y
CONFIG_DMIID=y
# CONFIG_DMI_SYSFS is not set
CONFIG_DMI_SCAN_MACHINE_NON_EFI_FALLBACK=y
# CONFIG_ISCSI_IBFT is not set
# CONFIG_FW_CFG_SYSFS is not set
CONFIG_SYSFB=y
# CONFIG_SYSFB_SIMPLEFB is not set
CONFIG_GOOGLE_FIRMWARE=y
# CONFIG_GOOGLE_SMI is not set
# CONFIG_GOOGLE_CBMEM is not set
CONFIG_GOOGLE_COREBOOT_TABLE=y
CONFIG_GOOGLE_MEMCONSOLE=y
# CONFIG_GOOGLE_MEMCONSOLE_X86_LEGACY is not set
# CONFIG_GOOGLE_FRAMEBUFFER_COREBOOT is not set
CONFIG_GOOGLE_MEMCONSOLE_COREBOOT=y
CONFIG_GOOGLE_VPD=y

#
# Qualcomm firmware drivers
#
# end of Qualcomm firmware drivers

#
# Tegra firmware driver
#
# end of Tegra firmware driver
# end of Firmware Drivers

# CONFIG_FWCTL is not set
CONFIG_GNSS=y
# CONFIG_GNSS_MTK_SERIAL is not set
# CONFIG_GNSS_SIRF_SERIAL is not set
# CONFIG_GNSS_UBX_SERIAL is not set
CONFIG_GNSS_USB=y
CONFIG_MTD=y
# CONFIG_MTD_TESTS is not set

#
# Partition parsers
#
# CONFIG_MTD_CMDLINE_PARTS is not set
# CONFIG_MTD_OF_PARTS is not set
# CONFIG_MTD_REDBOOT_PARTS is not set
# end of Partition parsers

#
# User Modules And Translation Layers
#
CONFIG_MTD_BLKDEVS=y
CONFIG_MTD_BLOCK=y

#
# Note that in some cases UBI block is preferred. See MTD_UBI_BLOCK.
#
CONFIG_FTL=y
# CONFIG_NFTL is not set
# CONFIG_INFTL is not set
# CONFIG_RFD_FTL is not set
# CONFIG_SSFDC is not set
# CONFIG_SM_FTL is not set
# CONFIG_MTD_OOPS is not set
# CONFIG_MTD_SWAP is not set
# CONFIG_MTD_PARTITIONED_MASTER is not set

#
# RAM/ROM/Flash chip drivers
#
# CONFIG_MTD_CFI is not set
# CONFIG_MTD_JEDECPROBE is not set
CONFIG_MTD_MAP_BANK_WIDTH_1=y
CONFIG_MTD_MAP_BANK_WIDTH_2=y
CONFIG_MTD_MAP_BANK_WIDTH_4=y
CONFIG_MTD_CFI_I1=y
CONFIG_MTD_CFI_I2=y
# CONFIG_MTD_RAM is not set
# CONFIG_MTD_ROM is not set
# CONFIG_MTD_ABSENT is not set
# end of RAM/ROM/Flash chip drivers

#
# Mapping drivers for chip access
#
# CONFIG_MTD_COMPLEX_MAPPINGS is not set
# CONFIG_MTD_PLATRAM is not set
# end of Mapping drivers for chip access

#
# Self-contained MTD device drivers
#
# CONFIG_MTD_PMC551 is not set
# CONFIG_MTD_DATAFLASH is not set
# CONFIG_MTD_MCHP23K256 is not set
# CONFIG_MTD_MCHP48L640 is not set
# CONFIG_MTD_SST25L is not set
CONFIG_MTD_SLRAM=y
CONFIG_MTD_PHRAM=y
CONFIG_MTD_MTDRAM=y
CONFIG_MTDRAM_TOTAL_SIZE=128
CONFIG_MTDRAM_ERASE_SIZE=4
CONFIG_MTD_BLOCK2MTD=y
# CONFIG_MTD_INTEL_DG is not set

#
# Disk-On-Chip Device Drivers
#
# CONFIG_MTD_DOCG3 is not set
# end of Self-contained MTD device drivers

#
# NAND
#
# CONFIG_MTD_ONENAND is not set
# CONFIG_MTD_RAW_NAND is not set
# CONFIG_MTD_SPI_NAND is not set

#
# ECC engine support
#
# CONFIG_MTD_NAND_ECC_SW_HAMMING is not set
# CONFIG_MTD_NAND_ECC_SW_BCH is not set
# CONFIG_MTD_NAND_ECC_MXIC is not set
# end of ECC engine support
# end of NAND

#
# LPDDR & LPDDR2 PCM memory drivers
#
# CONFIG_MTD_LPDDR is not set
# end of LPDDR & LPDDR2 PCM memory drivers

# CONFIG_MTD_SPI_NOR is not set
CONFIG_MTD_UBI=y
CONFIG_MTD_UBI_WL_THRESHOLD=4096
CONFIG_MTD_UBI_BEB_LIMIT=20
# CONFIG_MTD_UBI_FASTMAP is not set
# CONFIG_MTD_UBI_GLUEBI is not set
# CONFIG_MTD_UBI_BLOCK is not set
# CONFIG_MTD_UBI_FAULT_INJECTION is not set
# CONFIG_MTD_UBI_NVMEM is not set
# CONFIG_MTD_HYPERBUS is not set
CONFIG_DTC=y
CONFIG_OF=y
# CONFIG_OF_UNITTEST is not set
CONFIG_OF_FLATTREE=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_KOBJ=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_IRQ=y
CONFIG_OF_RESERVED_MEM=y
# CONFIG_OF_OVERLAY is not set
CONFIG_OF_NUMA=y
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
CONFIG_PARPORT=y
# CONFIG_PARPORT_PC is not set
# CONFIG_PARPORT_1284 is not set
CONFIG_PARPORT_NOT_PC=y
CONFIG_PNP=y
CONFIG_PNP_DEBUG_MESSAGES=y

#
# Protocols
#
CONFIG_PNPACPI=y
CONFIG_BLK_DEV=y
CONFIG_BLK_DEV_NULL_BLK=y
CONFIG_BLK_DEV_NULL_BLK_FAULT_INJECTION=y
# CONFIG_BLK_DEV_FD is not set
CONFIG_CDROM=y
# CONFIG_BLK_DEV_PCIESSD_MTIP32XX is not set
CONFIG_ZRAM=y
# CONFIG_ZRAM_BACKEND_LZ4 is not set
# CONFIG_ZRAM_BACKEND_LZ4HC is not set
# CONFIG_ZRAM_BACKEND_ZSTD is not set
# CONFIG_ZRAM_BACKEND_DEFLATE is not set
# CONFIG_ZRAM_BACKEND_842 is not set
CONFIG_ZRAM_BACKEND_FORCE_LZO=y
CONFIG_ZRAM_BACKEND_LZO=y
# CONFIG_ZRAM_DEF_COMP_LZORLE is not set
CONFIG_ZRAM_DEF_COMP_LZO=y
CONFIG_ZRAM_DEF_COMP="lzo"
# CONFIG_ZRAM_WRITEBACK is not set
# CONFIG_ZRAM_TRACK_ENTRY_ACTIME is not set
# CONFIG_ZRAM_MEMORY_TRACKING is not set
# CONFIG_ZRAM_MULTI_COMP is not set
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_LOOP_MIN_COUNT=16
# CONFIG_BLK_DEV_DRBD is not set
CONFIG_BLK_DEV_NBD=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_ATA_OVER_ETH=y
CONFIG_VIRTIO_BLK=y
# CONFIG_BLK_DEV_RBD is not set
# CONFIG_BLK_DEV_UBLK is not set
CONFIG_BLK_DEV_RNBD=y
CONFIG_BLK_DEV_RNBD_CLIENT=y
# CONFIG_BLK_DEV_ZONED_LOOP is not set

#
# NVME Support
#
CONFIG_NVME_CORE=y
CONFIG_BLK_DEV_NVME=y
CONFIG_NVME_MULTIPATH=y
# CONFIG_NVME_VERBOSE_ERRORS is not set
# CONFIG_NVME_HWMON is not set
CONFIG_NVME_FABRICS=y
CONFIG_NVME_RDMA=y
CONFIG_NVME_FC=y
CONFIG_NVME_TCP=y
# CONFIG_NVME_TCP_TLS is not set
# CONFIG_NVME_HOST_AUTH is not set
CONFIG_NVME_TARGET=y
# CONFIG_NVME_TARGET_DEBUGFS is not set
# CONFIG_NVME_TARGET_PASSTHRU is not set
CONFIG_NVME_TARGET_LOOP=y
CONFIG_NVME_TARGET_RDMA=y
CONFIG_NVME_TARGET_FC=y
CONFIG_NVME_TARGET_FCLOOP=y
CONFIG_NVME_TARGET_TCP=y
# CONFIG_NVME_TARGET_TCP_TLS is not set
# CONFIG_NVME_TARGET_AUTH is not set
# CONFIG_NVME_TARGET_PCI_EPF is not set
# end of NVME Support

#
# Misc devices
#
# CONFIG_AD525X_DPOT is not set
# CONFIG_DUMMY_IRQ is not set
# CONFIG_IBM_ASM is not set
# CONFIG_PHANTOM is not set
# CONFIG_RPMB is not set
# CONFIG_TI_FPC202 is not set
# CONFIG_TIFM_CORE is not set
# CONFIG_ICS932S401 is not set
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_HP_ILO is not set
# CONFIG_APDS9802ALS is not set
# CONFIG_ISL29003 is not set
# CONFIG_ISL29020 is not set
# CONFIG_SENSORS_TSL2550 is not set
# CONFIG_SENSORS_BH1770 is not set
# CONFIG_SENSORS_APDS990X is not set
# CONFIG_HMC6352 is not set
# CONFIG_DS1682 is not set
# CONFIG_VMWARE_BALLOON is not set
# CONFIG_LATTICE_ECP3_CONFIG is not set
# CONFIG_SRAM is not set
# CONFIG_DW_XDATA_PCIE is not set
# CONFIG_PCI_ENDPOINT_TEST is not set
# CONFIG_XILINX_SDFEC is not set
CONFIG_MISC_RTSX=y
# CONFIG_HISI_HIKEY_USB is not set
# CONFIG_OPEN_DICE is not set
# CONFIG_NTSYNC is not set
# CONFIG_VCPU_STALL_DETECTOR is not set
# CONFIG_NSM is not set
# CONFIG_C2PORT is not set

#
# EEPROM support
#
# CONFIG_EEPROM_AT24 is not set
# CONFIG_EEPROM_AT25 is not set
# CONFIG_EEPROM_MAX6875 is not set
CONFIG_EEPROM_93CX6=y
# CONFIG_EEPROM_93XX46 is not set
# CONFIG_EEPROM_IDT_89HPESX is not set
# CONFIG_EEPROM_EE1004 is not set
# CONFIG_EEPROM_M24LR is not set
# end of EEPROM support

# CONFIG_CB710_CORE is not set
# CONFIG_SENSORS_LIS3_I2C is not set
# CONFIG_ALTERA_STAPL is not set
CONFIG_INTEL_MEI=y
CONFIG_INTEL_MEI_ME=y
# CONFIG_INTEL_MEI_TXE is not set
# CONFIG_INTEL_MEI_GSC is not set
# CONFIG_INTEL_MEI_VSC_HW is not set
# CONFIG_INTEL_MEI_HDCP is not set
# CONFIG_INTEL_MEI_PXP is not set
# CONFIG_INTEL_MEI_GSC_PROXY is not set
CONFIG_VMWARE_VMCI=y
# CONFIG_GENWQE is not set
# CONFIG_BCM_VK is not set
# CONFIG_MISC_ALCOR_PCI is not set
# CONFIG_MISC_RTSX_PCI is not set
CONFIG_MISC_RTSX_USB=y
# CONFIG_UACCE is not set
# CONFIG_PVPANIC is not set
# CONFIG_GP_PCI1XXXX is not set
# CONFIG_KEBA_CP500 is not set
# CONFIG_MISC_RP1 is not set
# end of Misc devices

#
# SCSI device support
#
CONFIG_SCSI_MOD=y
CONFIG_RAID_ATTRS=y
CONFIG_SCSI_COMMON=y
CONFIG_SCSI=y
CONFIG_SCSI_DMA=y
CONFIG_SCSI_NETLINK=y
CONFIG_SCSI_PROC_FS=y

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
CONFIG_BLK_DEV_SR=y
CONFIG_CHR_DEV_SG=y
CONFIG_BLK_DEV_BSG=y
# CONFIG_CHR_DEV_SCH is not set
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y
CONFIG_SCSI_SCAN_ASYNC=y

#
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=y
CONFIG_SCSI_FC_ATTRS=y
CONFIG_SCSI_ISCSI_ATTRS=y
CONFIG_SCSI_SAS_ATTRS=y
CONFIG_SCSI_SAS_LIBSAS=y
CONFIG_SCSI_SAS_ATA=y
# CONFIG_SCSI_SAS_HOST_SMP is not set
CONFIG_SCSI_SRP_ATTRS=y
# end of SCSI Transports

CONFIG_SCSI_LOWLEVEL=y
# CONFIG_ISCSI_TCP is not set
# CONFIG_ISCSI_BOOT_SYSFS is not set
# CONFIG_SCSI_CXGB3_ISCSI is not set
# CONFIG_SCSI_CXGB4_ISCSI is not set
# CONFIG_SCSI_BNX2_ISCSI is not set
# CONFIG_BE2ISCSI is not set
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
CONFIG_SCSI_HPSA=y
# CONFIG_SCSI_3W_9XXX is not set
# CONFIG_SCSI_3W_SAS is not set
# CONFIG_SCSI_ACARD is not set
# CONFIG_SCSI_AACRAID is not set
# CONFIG_SCSI_AIC7XXX is not set
# CONFIG_SCSI_AIC79XX is not set
# CONFIG_SCSI_AIC94XX is not set
# CONFIG_SCSI_MVSAS is not set
# CONFIG_SCSI_MVUMI is not set
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_ARCMSR is not set
# CONFIG_SCSI_ESAS2R is not set
# CONFIG_MEGARAID_NEWGEN is not set
# CONFIG_MEGARAID_LEGACY is not set
# CONFIG_MEGARAID_SAS is not set
# CONFIG_SCSI_MPT3SAS is not set
# CONFIG_SCSI_MPT2SAS is not set
# CONFIG_SCSI_MPI3MR is not set
# CONFIG_SCSI_SMARTPQI is not set
# CONFIG_SCSI_HPTIOP is not set
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_MYRB is not set
# CONFIG_SCSI_MYRS is not set
# CONFIG_VMWARE_PVSCSI is not set
# CONFIG_LIBFC is not set
# CONFIG_SCSI_SNIC is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_FDOMAIN_PCI is not set
# CONFIG_SCSI_ISCI is not set
# CONFIG_SCSI_IPS is not set
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_INIA100 is not set
# CONFIG_SCSI_STEX is not set
# CONFIG_SCSI_SYM53C8XX_2 is not set
# CONFIG_SCSI_IPR is not set
# CONFIG_SCSI_QLOGIC_1280 is not set
# CONFIG_SCSI_QLA_FC is not set
# CONFIG_SCSI_QLA_ISCSI is not set
# CONFIG_SCSI_LPFC is not set
# CONFIG_SCSI_EFCT is not set
# CONFIG_SCSI_DC395x is not set
# CONFIG_SCSI_AM53C974 is not set
# CONFIG_SCSI_WD719X is not set
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_PMCRAID is not set
# CONFIG_SCSI_PM8001 is not set
# CONFIG_SCSI_BFA_FC is not set
CONFIG_SCSI_VIRTIO=y
# CONFIG_SCSI_CHELSIO_FCOE is not set
# CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
# CONFIG_SCSI_DH is not set
# end of SCSI device support

CONFIG_ATA=y
CONFIG_SATA_HOST=y
CONFIG_PATA_TIMINGS=y
CONFIG_ATA_VERBOSE_ERROR=y
CONFIG_ATA_FORCE=y
CONFIG_ATA_ACPI=y
# CONFIG_SATA_ZPODD is not set
CONFIG_SATA_PMP=y

#
# Controllers with non-SFF native interface
#
CONFIG_SATA_AHCI=y
CONFIG_SATA_MOBILE_LPM_POLICY=3
# CONFIG_SATA_AHCI_PLATFORM is not set
# CONFIG_AHCI_DWC is not set
# CONFIG_AHCI_CEVA is not set
# CONFIG_SATA_INIC162X is not set
# CONFIG_SATA_ACARD_AHCI is not set
# CONFIG_SATA_SIL24 is not set
CONFIG_ATA_SFF=y

#
# SFF controllers with custom DMA interface
#
# CONFIG_PDC_ADMA is not set
# CONFIG_SATA_QSTOR is not set
# CONFIG_SATA_SX4 is not set
CONFIG_ATA_BMDMA=y

#
# SATA SFF controllers with BMDMA
#
CONFIG_ATA_PIIX=y
# CONFIG_SATA_DWC is not set
# CONFIG_SATA_MV is not set
# CONFIG_SATA_NV is not set
# CONFIG_SATA_PROMISE is not set
# CONFIG_SATA_SIL is not set
# CONFIG_SATA_SIS is not set
# CONFIG_SATA_SVW is not set
# CONFIG_SATA_ULI is not set
# CONFIG_SATA_VIA is not set
# CONFIG_SATA_VITESSE is not set

#
# PATA SFF controllers with BMDMA
#
# CONFIG_PATA_ALI is not set
CONFIG_PATA_AMD=y
# CONFIG_PATA_ARTOP is not set
# CONFIG_PATA_ATIIXP is not set
# CONFIG_PATA_ATP867X is not set
# CONFIG_PATA_CMD64X is not set
# CONFIG_PATA_CYPRESS is not set
# CONFIG_PATA_EFAR is not set
# CONFIG_PATA_HPT366 is not set
# CONFIG_PATA_HPT37X is not set
# CONFIG_PATA_HPT3X2N is not set
# CONFIG_PATA_HPT3X3 is not set
# CONFIG_PATA_IT8213 is not set
# CONFIG_PATA_IT821X is not set
# CONFIG_PATA_JMICRON is not set
# CONFIG_PATA_MARVELL is not set
# CONFIG_PATA_NETCELL is not set
# CONFIG_PATA_NINJA32 is not set
# CONFIG_PATA_NS87415 is not set
CONFIG_PATA_OLDPIIX=y
# CONFIG_PATA_OPTIDMA is not set
# CONFIG_PATA_PDC2027X is not set
# CONFIG_PATA_PDC_OLD is not set
# CONFIG_PATA_RADISYS is not set
# CONFIG_PATA_RDC is not set
CONFIG_PATA_SCH=y
# CONFIG_PATA_SERVERWORKS is not set
# CONFIG_PATA_SIL680 is not set
# CONFIG_PATA_SIS is not set
# CONFIG_PATA_TOSHIBA is not set
# CONFIG_PATA_TRIFLEX is not set
# CONFIG_PATA_VIA is not set
# CONFIG_PATA_WINBOND is not set

#
# PIO-only SFF controllers
#
# CONFIG_PATA_CMD640_PCI is not set
# CONFIG_PATA_MPIIX is not set
# CONFIG_PATA_NS87410 is not set
# CONFIG_PATA_OPTI is not set
# CONFIG_PATA_PCMCIA is not set
# CONFIG_PATA_OF_PLATFORM is not set
# CONFIG_PATA_RZ1000 is not set

#
# Generic fallback / legacy drivers
#
# CONFIG_PATA_ACPI is not set
CONFIG_ATA_GENERIC=y
# CONFIG_PATA_LEGACY is not set
CONFIG_MD=y
CONFIG_BLK_DEV_MD=y
CONFIG_MD_BITMAP=y
# CONFIG_MD_LLBITMAP is not set
CONFIG_MD_AUTODETECT=y
CONFIG_MD_BITMAP_FILE=y
# CONFIG_MD_LINEAR is not set
CONFIG_MD_RAID0=y
CONFIG_MD_RAID1=y
CONFIG_MD_RAID10=y
CONFIG_MD_RAID456=y
# CONFIG_MD_CLUSTER is not set
CONFIG_BCACHE=y
# CONFIG_BCACHE_DEBUG is not set
# CONFIG_BCACHE_ASYNC_REGISTRATION is not set
CONFIG_BLK_DEV_DM_BUILTIN=y
CONFIG_BLK_DEV_DM=y
# CONFIG_DM_DEBUG is not set
CONFIG_DM_BUFIO=y
# CONFIG_DM_DEBUG_BLOCK_MANAGER_LOCKING is not set
CONFIG_DM_BIO_PRISON=y
CONFIG_DM_PERSISTENT_DATA=y
# CONFIG_DM_UNSTRIPED is not set
CONFIG_DM_CRYPT=y
CONFIG_DM_SNAPSHOT=y
CONFIG_DM_THIN_PROVISIONING=y
CONFIG_DM_CACHE=y
CONFIG_DM_CACHE_SMQ=y
CONFIG_DM_WRITECACHE=y
# CONFIG_DM_EBS is not set
# CONFIG_DM_ERA is not set
CONFIG_DM_CLONE=y
CONFIG_DM_MIRROR=y
# CONFIG_DM_LOG_USERSPACE is not set
CONFIG_DM_RAID=y
CONFIG_DM_ZERO=y
CONFIG_DM_MULTIPATH=y
CONFIG_DM_MULTIPATH_QL=y
CONFIG_DM_MULTIPATH_ST=y
# CONFIG_DM_MULTIPATH_HST is not set
# CONFIG_DM_MULTIPATH_IOA is not set
# CONFIG_DM_DELAY is not set
# CONFIG_DM_DUST is not set
# CONFIG_DM_INIT is not set
CONFIG_DM_UEVENT=y
CONFIG_DM_FLAKEY=y
CONFIG_DM_VERITY=y
# CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG is not set
CONFIG_DM_VERITY_FEC=y
# CONFIG_DM_SWITCH is not set
# CONFIG_DM_LOG_WRITES is not set
CONFIG_DM_INTEGRITY=y
CONFIG_DM_ZONED=y
CONFIG_DM_AUDIT=y
# CONFIG_DM_VDO is not set
# CONFIG_DM_PCACHE is not set
CONFIG_TARGET_CORE=y
# CONFIG_TCM_IBLOCK is not set
# CONFIG_TCM_FILEIO is not set
# CONFIG_TCM_PSCSI is not set
# CONFIG_LOOPBACK_TARGET is not set
# CONFIG_ISCSI_TARGET is not set
# CONFIG_SBP_TARGET is not set
# CONFIG_REMOTE_TARGET is not set
# CONFIG_FUSION is not set

#
# IEEE 1394 (FireWire) support
#
CONFIG_FIREWIRE=y
CONFIG_FIREWIRE_OHCI=y
CONFIG_FIREWIRE_SBP2=y
CONFIG_FIREWIRE_NET=y
# CONFIG_FIREWIRE_NOSY is not set
# end of IEEE 1394 (FireWire) support

# CONFIG_MACINTOSH_DRIVERS is not set
CONFIG_NETDEVICES=y
CONFIG_MII=y
CONFIG_NET_CORE=y
CONFIG_BONDING=y
CONFIG_DUMMY=y
CONFIG_WIREGUARD=y
# CONFIG_WIREGUARD_DEBUG is not set
# CONFIG_OVPN is not set
CONFIG_EQUALIZER=y
CONFIG_NET_FC=y
CONFIG_IFB=y
CONFIG_NET_TEAM=y
CONFIG_NET_TEAM_MODE_BROADCAST=y
CONFIG_NET_TEAM_MODE_ROUNDROBIN=y
CONFIG_NET_TEAM_MODE_RANDOM=y
CONFIG_NET_TEAM_MODE_ACTIVEBACKUP=y
CONFIG_NET_TEAM_MODE_LOADBALANCE=y
CONFIG_MACVLAN=y
CONFIG_MACVTAP=y
CONFIG_IPVLAN_L3S=y
CONFIG_IPVLAN=y
CONFIG_IPVTAP=y
CONFIG_VXLAN=y
CONFIG_GENEVE=y
CONFIG_BAREUDP=y
CONFIG_GTP=y
# CONFIG_PFCP is not set
# CONFIG_AMT is not set
CONFIG_MACSEC=y
CONFIG_NETCONSOLE=y
# CONFIG_NETCONSOLE_DYNAMIC is not set
# CONFIG_NETCONSOLE_EXTENDED_LOG is not set
CONFIG_NETPOLL=y
CONFIG_NET_POLL_CONTROLLER=y
CONFIG_TUN=y
CONFIG_TAP=y
CONFIG_TUN_VNET_CROSS_LE=y
CONFIG_VETH=y
CONFIG_VIRTIO_NET=y
CONFIG_NLMON=y
# CONFIG_NETKIT is not set
CONFIG_NET_VRF=y
CONFIG_VSOCKMON=y
# CONFIG_MHI_NET is not set
# CONFIG_ARCNET is not set
CONFIG_ATM_DRIVERS=y
# CONFIG_ATM_DUMMY is not set
CONFIG_ATM_TCP=y
# CONFIG_ATM_LANAI is not set
# CONFIG_ATM_ENI is not set
# CONFIG_ATM_NICSTAR is not set
# CONFIG_ATM_IDT77252 is not set
# CONFIG_ATM_IA is not set
# CONFIG_ATM_FORE200E is not set
# CONFIG_ATM_HE is not set
# CONFIG_ATM_SOLOS is not set
CONFIG_CAIF_DRIVERS=y
CONFIG_CAIF_TTY=y
CONFIG_CAIF_VIRTIO=y

#
# Distributed Switch Architecture drivers
#
# CONFIG_B53 is not set
# CONFIG_NET_DSA_BCM_SF2 is not set
# CONFIG_NET_DSA_LOOP is not set
# CONFIG_NET_DSA_HIRSCHMANN_HELLCREEK is not set
# CONFIG_NET_DSA_LANTIQ_GSWIP is not set
# CONFIG_NET_DSA_MXL_GSW1XX is not set
# CONFIG_NET_DSA_MT7530 is not set
# CONFIG_NET_DSA_MV88E6060 is not set
# CONFIG_NET_DSA_MICROCHIP_KSZ_COMMON is not set
# CONFIG_NET_DSA_MV88E6XXX is not set
# CONFIG_NET_DSA_MXL862 is not set
# CONFIG_NET_DSA_AR9331 is not set
# CONFIG_NET_DSA_QCA8K is not set
# CONFIG_NET_DSA_SJA1105 is not set
# CONFIG_NET_DSA_XRS700X_I2C is not set
# CONFIG_NET_DSA_XRS700X_MDIO is not set
# CONFIG_NET_DSA_REALTEK is not set
# CONFIG_NET_DSA_KS8995 is not set
# CONFIG_NET_DSA_SMSC_LAN9303_I2C is not set
# CONFIG_NET_DSA_SMSC_LAN9303_MDIO is not set
# CONFIG_NET_DSA_VITESSE_VSC73XX_SPI is not set
# CONFIG_NET_DSA_VITESSE_VSC73XX_PLATFORM is not set
# CONFIG_NET_DSA_YT921X is not set
# end of Distributed Switch Architecture drivers

CONFIG_ETHERNET=y
# CONFIG_NET_VENDOR_3COM is not set
# CONFIG_NET_VENDOR_ADAPTEC is not set
# CONFIG_NET_VENDOR_AGERE is not set
# CONFIG_NET_VENDOR_ALACRITECH is not set
CONFIG_NET_VENDOR_ALTEON=y
# CONFIG_ACENIC is not set
# CONFIG_ALTERA_TSE is not set
CONFIG_NET_VENDOR_AMAZON=y
# CONFIG_ENA_ETHERNET is not set
# CONFIG_NET_VENDOR_AMD is not set
# CONFIG_NET_VENDOR_AQUANTIA is not set
# CONFIG_NET_VENDOR_ARC is not set
CONFIG_NET_VENDOR_ASIX=y
# CONFIG_SPI_AX88796C is not set
# CONFIG_NET_VENDOR_ATHEROS is not set
# CONFIG_CX_ECAT is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
# CONFIG_NET_VENDOR_CADENCE is not set
# CONFIG_NET_VENDOR_CAVIUM is not set
# CONFIG_NET_VENDOR_CHELSIO is not set
CONFIG_NET_VENDOR_CISCO=y
# CONFIG_ENIC is not set
# CONFIG_NET_VENDOR_CORTINA is not set
CONFIG_NET_VENDOR_DAVICOM=y
# CONFIG_DM9051 is not set
# CONFIG_NET_VENDOR_DEC is not set
# CONFIG_NET_VENDOR_DLINK is not set
# CONFIG_NET_VENDOR_EMULEX is not set
CONFIG_NET_VENDOR_ENGLEDER=y
# CONFIG_TSNEP is not set
# CONFIG_NET_VENDOR_EZCHIP is not set
# CONFIG_NET_VENDOR_FUJITSU is not set
CONFIG_NET_VENDOR_FUNGIBLE=y
# CONFIG_FUN_ETH is not set
CONFIG_NET_VENDOR_GOOGLE=y
CONFIG_GVE=y
CONFIG_NET_VENDOR_HISILICON=y
# CONFIG_HIBMCGE is not set
# CONFIG_NET_VENDOR_HUAWEI is not set
CONFIG_NET_VENDOR_I825XX=y
CONFIG_NET_VENDOR_INTEL=y
CONFIG_E100=y
CONFIG_E1000=y
CONFIG_E1000E=y
CONFIG_E1000E_HWTS=y
# CONFIG_IGB is not set
# CONFIG_IGBVF is not set
# CONFIG_IXGBE is not set
# CONFIG_IXGBEVF is not set
# CONFIG_I40E is not set
# CONFIG_I40EVF is not set
# CONFIG_ICE is not set
# CONFIG_FM10K is not set
# CONFIG_IGC is not set
# CONFIG_IDPF is not set
# CONFIG_JME is not set
# CONFIG_NET_VENDOR_ADI is not set
CONFIG_NET_VENDOR_LITEX=y
# CONFIG_LITEX_LITEETH is not set
# CONFIG_NET_VENDOR_MARVELL is not set
CONFIG_NET_VENDOR_MELLANOX=y
# CONFIG_MLX4_EN is not set
CONFIG_MLX4_CORE=y
# CONFIG_MLX4_DEBUG is not set
# CONFIG_MLX4_CORE_GEN2 is not set
# CONFIG_MLX5_CORE is not set
# CONFIG_MLXSW_CORE is not set
# CONFIG_MLXFW is not set
CONFIG_NET_VENDOR_META=y
# CONFIG_FBNIC is not set
# CONFIG_NET_VENDOR_MICREL is not set
# CONFIG_NET_VENDOR_MICROCHIP is not set
# CONFIG_NET_VENDOR_MICROSEMI is not set
CONFIG_NET_VENDOR_MICROSOFT=y
CONFIG_NET_VENDOR_MUCSE=y
# CONFIG_MGBE is not set
# CONFIG_NET_VENDOR_MYRI is not set
# CONFIG_FEALNX is not set
# CONFIG_NET_VENDOR_NI is not set
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_NETRONOME is not set
# CONFIG_NET_VENDOR_NVIDIA is not set
# CONFIG_NET_VENDOR_OKI is not set
# CONFIG_ETHOC is not set
# CONFIG_NET_VENDOR_PACKET_ENGINES is not set
# CONFIG_NET_VENDOR_PENSANDO is not set
# CONFIG_NET_VENDOR_QLOGIC is not set
# CONFIG_NET_VENDOR_BROCADE is not set
# CONFIG_NET_VENDOR_QUALCOMM is not set
# CONFIG_NET_VENDOR_RDC is not set
# CONFIG_NET_VENDOR_REALTEK is not set
# CONFIG_NET_VENDOR_RENESAS is not set
# CONFIG_NET_VENDOR_ROCKER is not set
# CONFIG_NET_VENDOR_SAMSUNG is not set
# CONFIG_NET_VENDOR_SEEQ is not set
# CONFIG_NET_VENDOR_SILAN is not set
# CONFIG_NET_VENDOR_SIS is not set
# CONFIG_NET_VENDOR_SOLARFLARE is not set
# CONFIG_NET_VENDOR_SMSC is not set
# CONFIG_NET_VENDOR_SOCIONEXT is not set
# CONFIG_NET_VENDOR_STMICRO is not set
# CONFIG_NET_VENDOR_SUN is not set
# CONFIG_NET_VENDOR_SYNOPSYS is not set
# CONFIG_NET_VENDOR_TEHUTI is not set
# CONFIG_NET_VENDOR_TI is not set
CONFIG_NET_VENDOR_VERTEXCOM=y
# CONFIG_MSE102X is not set
# CONFIG_NET_VENDOR_VIA is not set
CONFIG_NET_VENDOR_WANGXUN=y
# CONFIG_NGBE is not set
# CONFIG_TXGBE is not set
# CONFIG_TXGBEVF is not set
# CONFIG_NGBEVF is not set
# CONFIG_NET_VENDOR_WIZNET is not set
# CONFIG_NET_VENDOR_XILINX is not set
# CONFIG_NET_VENDOR_XIRCOM is not set
CONFIG_FDDI=y
# CONFIG_DEFXX is not set
# CONFIG_SKFP is not set
CONFIG_MDIO_BUS=y
CONFIG_PHYLINK=y
CONFIG_PHYLIB=y
CONFIG_SWPHY=y
# CONFIG_LED_TRIGGER_PHY is not set
CONFIG_PHYLIB_LEDS=y
CONFIG_FIXED_PHY=y
# CONFIG_SFP is not set

#
# MII PHY device drivers
#
# CONFIG_AS21XXX_PHY is not set
# CONFIG_AIR_EN8811H_PHY is not set
# CONFIG_AMD_PHY is not set
# CONFIG_ADIN_PHY is not set
# CONFIG_ADIN1100_PHY is not set
# CONFIG_AQUANTIA_PHY is not set
CONFIG_AX88796B_PHY=y
# CONFIG_BROADCOM_PHY is not set
# CONFIG_BCM54140_PHY is not set
# CONFIG_BCM7XXX_PHY is not set
# CONFIG_BCM84881_PHY is not set
# CONFIG_BCM87XX_PHY is not set
# CONFIG_CICADA_PHY is not set
# CONFIG_CORTINA_PHY is not set
# CONFIG_DAVICOM_PHY is not set
# CONFIG_ICPLUS_PHY is not set
# CONFIG_LXT_PHY is not set
# CONFIG_INTEL_XWAY_PHY is not set
# CONFIG_LSI_ET1011C_PHY is not set
# CONFIG_MARVELL_PHY is not set
# CONFIG_MARVELL_10G_PHY is not set
# CONFIG_MARVELL_88Q2XXX_PHY is not set
# CONFIG_MARVELL_88X2222_PHY is not set
# CONFIG_MAXLINEAR_GPHY is not set
# CONFIG_MAXLINEAR_86110_PHY is not set
# CONFIG_MEDIATEK_GE_PHY is not set
# CONFIG_MICREL_PHY is not set
# CONFIG_MICROCHIP_T1S_PHY is not set
CONFIG_MICROCHIP_PHY=y
# CONFIG_MICROCHIP_T1_PHY is not set
# CONFIG_MICROSEMI_PHY is not set
# CONFIG_MOTORCOMM_PHY is not set
# CONFIG_NATIONAL_PHY is not set
# CONFIG_NXP_CBTX_PHY is not set
# CONFIG_NXP_C45_TJA11XX_PHY is not set
# CONFIG_NXP_TJA11XX_PHY is not set
# CONFIG_NCN26000_PHY is not set
# CONFIG_AT803X_PHY is not set
# CONFIG_QCA83XX_PHY is not set
# CONFIG_QCA808X_PHY is not set
# CONFIG_QCA807X_PHY is not set
# CONFIG_QSEMI_PHY is not set
CONFIG_REALTEK_PHY=y
# CONFIG_REALTEK_PHY_HWMON is not set
# CONFIG_RENESAS_PHY is not set
# CONFIG_ROCKCHIP_PHY is not set
CONFIG_SMSC_PHY=y
# CONFIG_STE10XP is not set
# CONFIG_TERANETICS_PHY is not set
# CONFIG_DP83822_PHY is not set
# CONFIG_DP83TC811_PHY is not set
# CONFIG_DP83848_PHY is not set
# CONFIG_DP83867_PHY is not set
# CONFIG_DP83869_PHY is not set
# CONFIG_DP83TD510_PHY is not set
# CONFIG_DP83TG720_PHY is not set
# CONFIG_VITESSE_PHY is not set
# CONFIG_XILINX_GMII2RGMII is not set
# CONFIG_PSE_CONTROLLER is not set
CONFIG_CAN_DEV=y
CONFIG_CAN_VCAN=y
CONFIG_CAN_VXCAN=y
CONFIG_CAN_NETLINK=y
CONFIG_CAN_CALC_BITTIMING=y
CONFIG_CAN_RX_OFFLOAD=y
# CONFIG_CAN_CAN327 is not set
# CONFIG_CAN_DUMMY is not set
# CONFIG_CAN_FLEXCAN is not set
# CONFIG_CAN_GRCAN is not set
# CONFIG_CAN_KVASER_PCIEFD is not set
CONFIG_CAN_SLCAN=y
# CONFIG_CAN_C_CAN is not set
# CONFIG_CAN_CC770 is not set
# CONFIG_CAN_CTUCANFD_PCI is not set
# CONFIG_CAN_CTUCANFD_PLATFORM is not set
# CONFIG_CAN_ESD_402_PCI is not set
CONFIG_CAN_IFI_CANFD=y
# CONFIG_CAN_M_CAN is not set
# CONFIG_CAN_PEAK_PCIEFD is not set
# CONFIG_CAN_SJA1000 is not set
# CONFIG_CAN_SOFTING is not set

#
# CAN SPI interfaces
#
# CONFIG_CAN_HI311X is not set
# CONFIG_CAN_MCP251X is not set
# CONFIG_CAN_MCP251XFD is not set
# end of CAN SPI interfaces

#
# CAN USB interfaces
#
CONFIG_CAN_8DEV_USB=y
CONFIG_CAN_EMS_USB=y
CONFIG_CAN_ESD_USB=y
CONFIG_CAN_ETAS_ES58X=y
CONFIG_CAN_F81604=y
CONFIG_CAN_GS_USB=y
CONFIG_CAN_KVASER_USB=y
CONFIG_CAN_MCBA_USB=y
CONFIG_CAN_PEAK_USB=y
CONFIG_CAN_UCAN=y
# end of CAN USB interfaces

# CONFIG_CAN_DEBUG_DEVICES is not set

#
# MCTP Device Drivers
#
# CONFIG_MCTP_SERIAL is not set
# CONFIG_MCTP_TRANSPORT_I2C is not set
# CONFIG_MCTP_TRANSPORT_USB is not set
# end of MCTP Device Drivers

CONFIG_FWNODE_MDIO=y
CONFIG_OF_MDIO=y
CONFIG_ACPI_MDIO=y
# CONFIG_MDIO_BITBANG is not set
# CONFIG_MDIO_BCM_UNIMAC is not set
# CONFIG_MDIO_HISI_FEMAC is not set
CONFIG_MDIO_MVUSB=y
# CONFIG_MDIO_MSCC_MIIM is not set
# CONFIG_MDIO_OCTEON is not set
# CONFIG_MDIO_IPQ4019 is not set
# CONFIG_MDIO_IPQ8064 is not set
# CONFIG_MDIO_THUNDER is not set

#
# MDIO Multiplexers
#
# CONFIG_MDIO_BUS_MUX_GPIO is not set
# CONFIG_MDIO_BUS_MUX_MULTIPLEXER is not set
# CONFIG_MDIO_BUS_MUX_MMIOREG is not set

#
# PCS device drivers
#
# CONFIG_PCS_XPCS is not set
# end of PCS device drivers

# CONFIG_PLIP is not set
CONFIG_PPP=y
CONFIG_PPP_BSDCOMP=y
CONFIG_PPP_DEFLATE=y
CONFIG_PPP_FILTER=y
CONFIG_PPP_MPPE=y
CONFIG_PPP_MULTILINK=y
CONFIG_PPPOATM=y
CONFIG_PPPOE=y
CONFIG_PPPOE_HASH_BITS_1=y
# CONFIG_PPPOE_HASH_BITS_2 is not set
# CONFIG_PPPOE_HASH_BITS_4 is not set
# CONFIG_PPPOE_HASH_BITS_8 is not set
CONFIG_PPPOE_HASH_BITS=1
CONFIG_PPTP=y
CONFIG_PPPOL2TP=y
CONFIG_PPP_ASYNC=y
CONFIG_PPP_SYNC_TTY=y
CONFIG_SLIP=y
CONFIG_SLHC=y
CONFIG_SLIP_COMPRESSED=y
CONFIG_SLIP_SMART=y
CONFIG_SLIP_MODE_SLIP6=y
CONFIG_USB_NET_DRIVERS=y
CONFIG_USB_CATC=y
CONFIG_USB_KAWETH=y
CONFIG_USB_PEGASUS=y
CONFIG_USB_RTL8150=y
CONFIG_USB_RTL8152=y
CONFIG_USB_LAN78XX=y
CONFIG_USB_USBNET=y
CONFIG_USB_NET_AX8817X=y
CONFIG_USB_NET_AX88179_178A=y
CONFIG_USB_NET_CDCETHER=y
CONFIG_USB_NET_CDC_EEM=y
CONFIG_USB_NET_CDC_NCM=y
CONFIG_USB_NET_HUAWEI_CDC_NCM=y
CONFIG_USB_NET_CDC_MBIM=y
CONFIG_USB_NET_DM9601=y
CONFIG_USB_NET_SR9700=y
CONFIG_USB_NET_SR9800=y
CONFIG_USB_NET_SMSC75XX=y
CONFIG_USB_NET_SMSC95XX=y
CONFIG_USB_NET_GL620A=y
CONFIG_USB_NET_NET1080=y
CONFIG_USB_NET_PLUSB=y
CONFIG_USB_NET_MCS7830=y
CONFIG_USB_NET_RNDIS_HOST=y
CONFIG_USB_NET_CDC_SUBSET_ENABLE=y
CONFIG_USB_NET_CDC_SUBSET=y
CONFIG_USB_ALI_M5632=y
CONFIG_USB_AN2720=y
CONFIG_USB_BELKIN=y
CONFIG_USB_ARMLINUX=y
CONFIG_USB_EPSON2888=y
CONFIG_USB_KC2190=y
CONFIG_USB_NET_ZAURUS=y
CONFIG_USB_NET_CX82310_ETH=y
CONFIG_USB_NET_KALMIA=y
CONFIG_USB_NET_QMI_WWAN=y
CONFIG_USB_HSO=y
CONFIG_USB_NET_INT51X1=y
CONFIG_USB_CDC_PHONET=y
CONFIG_USB_IPHETH=y
CONFIG_USB_SIERRA_NET=y
CONFIG_USB_VL600=y
CONFIG_USB_NET_CH9200=y
CONFIG_USB_NET_AQC111=y
CONFIG_USB_RTL8153_ECM=y
CONFIG_WLAN=y
CONFIG_WLAN_VENDOR_ADMTEK=y
# CONFIG_ADM8211 is not set
CONFIG_ATH_COMMON=y
CONFIG_WLAN_VENDOR_ATH=y
# CONFIG_ATH_DEBUG is not set
# CONFIG_ATH5K is not set
# CONFIG_ATH5K_PCI is not set
CONFIG_ATH9K_HW=y
CONFIG_ATH9K_COMMON=y
CONFIG_ATH9K_COMMON_DEBUG=y
CONFIG_ATH9K_BTCOEX_SUPPORT=y
CONFIG_ATH9K=y
CONFIG_ATH9K_PCI=y
CONFIG_ATH9K_AHB=y
CONFIG_ATH9K_DEBUGFS=y
# CONFIG_ATH9K_STATION_STATISTICS is not set
CONFIG_ATH9K_DYNACK=y
# CONFIG_ATH9K_WOW is not set
CONFIG_ATH9K_RFKILL=y
CONFIG_ATH9K_CHANNEL_CONTEXT=y
CONFIG_ATH9K_PCOEM=y
# CONFIG_ATH9K_PCI_NO_EEPROM is not set
CONFIG_ATH9K_HTC=y
CONFIG_ATH9K_HTC_DEBUGFS=y
# CONFIG_ATH9K_HWRNG is not set
CONFIG_ATH9K_COMMON_SPECTRAL=y
CONFIG_CARL9170=y
CONFIG_CARL9170_LEDS=y
# CONFIG_CARL9170_DEBUGFS is not set
CONFIG_CARL9170_WPC=y
CONFIG_CARL9170_HWRNG=y
CONFIG_ATH6KL=y
# CONFIG_ATH6KL_SDIO is not set
CONFIG_ATH6KL_USB=y
# CONFIG_ATH6KL_DEBUG is not set
# CONFIG_ATH6KL_TRACING is not set
CONFIG_AR5523=y
# CONFIG_WIL6210 is not set
CONFIG_ATH10K=y
CONFIG_ATH10K_CE=y
CONFIG_ATH10K_PCI=y
# CONFIG_ATH10K_AHB is not set
# CONFIG_ATH10K_SDIO is not set
CONFIG_ATH10K_USB=y
# CONFIG_ATH10K_DEBUG is not set
# CONFIG_ATH10K_DEBUGFS is not set
CONFIG_ATH10K_LEDS=y
# CONFIG_ATH10K_TRACING is not set
# CONFIG_WCN36XX is not set
CONFIG_ATH11K=y
# CONFIG_ATH11K_PCI is not set
# CONFIG_ATH11K_DEBUG is not set
# CONFIG_ATH11K_DEBUGFS is not set
# CONFIG_ATH11K_TRACING is not set
# CONFIG_ATH12K is not set
# CONFIG_WLAN_VENDOR_ATMEL is not set
# CONFIG_WLAN_VENDOR_BROADCOM is not set
# CONFIG_WLAN_VENDOR_INTEL is not set
# CONFIG_WLAN_VENDOR_INTERSIL is not set
# CONFIG_WLAN_VENDOR_MARVELL is not set
# CONFIG_WLAN_VENDOR_MEDIATEK is not set
# CONFIG_WLAN_VENDOR_MICROCHIP is not set
CONFIG_WLAN_VENDOR_PURELIFI=y
CONFIG_PLFXLC=y
# CONFIG_WLAN_VENDOR_RALINK is not set
# CONFIG_WLAN_VENDOR_REALTEK is not set
# CONFIG_WLAN_VENDOR_RSI is not set
CONFIG_WLAN_VENDOR_SILABS=y
# CONFIG_WFX is not set
# CONFIG_WLAN_VENDOR_ST is not set
# CONFIG_WLAN_VENDOR_TI is not set
# CONFIG_WLAN_VENDOR_ZYDAS is not set
# CONFIG_WLAN_VENDOR_QUANTENNA is not set
CONFIG_MAC80211_HWSIM=y
CONFIG_VIRT_WIFI=y
CONFIG_WAN=y
CONFIG_HDLC=y
CONFIG_HDLC_RAW=y
CONFIG_HDLC_RAW_ETH=y
CONFIG_HDLC_CISCO=y
CONFIG_HDLC_FR=y
CONFIG_HDLC_PPP=y
CONFIG_HDLC_X25=y
# CONFIG_FRAMER is not set
# CONFIG_PCI200SYN is not set
# CONFIG_WANXL is not set
# CONFIG_PC300TOO is not set
# CONFIG_FARSYNC is not set
CONFIG_LAPBETHER=y
CONFIG_IEEE802154_DRIVERS=y
# CONFIG_IEEE802154_FAKELB is not set
# CONFIG_IEEE802154_AT86RF230 is not set
# CONFIG_IEEE802154_MRF24J40 is not set
# CONFIG_IEEE802154_CC2520 is not set
CONFIG_IEEE802154_ATUSB=y
# CONFIG_IEEE802154_ADF7242 is not set
# CONFIG_IEEE802154_CA8210 is not set
# CONFIG_IEEE802154_MCR20A is not set
CONFIG_IEEE802154_HWSIM=y

#
# Wireless WAN
#
CONFIG_WWAN=y
# CONFIG_WWAN_DEBUGFS is not set
# CONFIG_WWAN_HWSIM is not set
CONFIG_MHI_WWAN_CTRL=y
# CONFIG_MHI_WWAN_MBIM is not set
# CONFIG_IOSM is not set
# CONFIG_MTK_T7XX is not set
# end of Wireless WAN

CONFIG_VMXNET3=y
# CONFIG_FUJITSU_ES is not set
CONFIG_USB4_NET=y
CONFIG_NETDEVSIM=y
CONFIG_NET_FAILOVER=y
CONFIG_ISDN=y
CONFIG_ISDN_CAPI=y
CONFIG_MISDN=y
CONFIG_MISDN_DSP=y
CONFIG_MISDN_L1OIP=y

#
# mISDN hardware drivers
#
# CONFIG_MISDN_HFCPCI is not set
# CONFIG_MISDN_HFCMULTI is not set
CONFIG_MISDN_HFCUSB=y
# CONFIG_MISDN_AVMFRITZ is not set
# CONFIG_MISDN_SPEEDFAX is not set
# CONFIG_MISDN_INFINEON is not set
# CONFIG_MISDN_W6692 is not set
# CONFIG_MISDN_NETJET is not set

#
# Input device support
#
CONFIG_INPUT=y
CONFIG_INPUT_LEDS=y
CONFIG_INPUT_FF_MEMLESS=y
CONFIG_INPUT_SPARSEKMAP=y
# CONFIG_INPUT_MATRIXKMAP is not set
CONFIG_INPUT_VIVALDIFMAP=y

#
# Userland interfaces
#
CONFIG_INPUT_MOUSEDEV=y
CONFIG_INPUT_MOUSEDEV_PSAUX=y
CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
CONFIG_INPUT_JOYDEV=y
CONFIG_INPUT_EVDEV=y

#
# Input Device Drivers
#
CONFIG_INPUT_KEYBOARD=y
# CONFIG_KEYBOARD_ADC is not set
# CONFIG_KEYBOARD_ADP5588 is not set
CONFIG_KEYBOARD_ATKBD=y
# CONFIG_KEYBOARD_QT1050 is not set
# CONFIG_KEYBOARD_QT1070 is not set
# CONFIG_KEYBOARD_QT2160 is not set
# CONFIG_KEYBOARD_DLINK_DIR685 is not set
# CONFIG_KEYBOARD_LKKBD is not set
# CONFIG_KEYBOARD_GPIO is not set
# CONFIG_KEYBOARD_GPIO_POLLED is not set
# CONFIG_KEYBOARD_TCA8418 is not set
# CONFIG_KEYBOARD_MATRIX is not set
# CONFIG_KEYBOARD_LM8323 is not set
# CONFIG_KEYBOARD_LM8333 is not set
# CONFIG_KEYBOARD_MAX7359 is not set
# CONFIG_KEYBOARD_MPR121 is not set
# CONFIG_KEYBOARD_NEWTON is not set
# CONFIG_KEYBOARD_OPENCORES is not set
# CONFIG_KEYBOARD_PINEPHONE is not set
# CONFIG_KEYBOARD_SAMSUNG is not set
# CONFIG_KEYBOARD_STOWAWAY is not set
# CONFIG_KEYBOARD_SUNKBD is not set
# CONFIG_KEYBOARD_OMAP4 is not set
# CONFIG_KEYBOARD_TM2_TOUCHKEY is not set
# CONFIG_KEYBOARD_TWL4030 is not set
# CONFIG_KEYBOARD_XTKBD is not set
# CONFIG_KEYBOARD_CAP11XX is not set
# CONFIG_KEYBOARD_BCM is not set
# CONFIG_KEYBOARD_CYPRESS_SF is not set
CONFIG_INPUT_MOUSE=y
CONFIG_MOUSE_PS2=y
CONFIG_MOUSE_PS2_ALPS=y
CONFIG_MOUSE_PS2_BYD=y
CONFIG_MOUSE_PS2_LOGIPS2PP=y
CONFIG_MOUSE_PS2_SYNAPTICS=y
CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS=y
CONFIG_MOUSE_PS2_CYPRESS=y
CONFIG_MOUSE_PS2_LIFEBOOK=y
CONFIG_MOUSE_PS2_TRACKPOINT=y
# CONFIG_MOUSE_PS2_ELANTECH is not set
# CONFIG_MOUSE_PS2_SENTELIC is not set
# CONFIG_MOUSE_PS2_TOUCHKIT is not set
CONFIG_MOUSE_PS2_FOCALTECH=y
# CONFIG_MOUSE_PS2_VMMOUSE is not set
CONFIG_MOUSE_PS2_SMBUS=y
# CONFIG_MOUSE_SERIAL is not set
CONFIG_MOUSE_APPLETOUCH=y
CONFIG_MOUSE_BCM5974=y
# CONFIG_MOUSE_CYAPA is not set
# CONFIG_MOUSE_ELAN_I2C is not set
# CONFIG_MOUSE_VSXXXAA is not set
# CONFIG_MOUSE_GPIO is not set
# CONFIG_MOUSE_SYNAPTICS_I2C is not set
CONFIG_MOUSE_SYNAPTICS_USB=y
CONFIG_INPUT_JOYSTICK=y
# CONFIG_JOYSTICK_ANALOG is not set
# CONFIG_JOYSTICK_A3D is not set
# CONFIG_JOYSTICK_ADC is not set
# CONFIG_JOYSTICK_ADI is not set
# CONFIG_JOYSTICK_COBRA is not set
# CONFIG_JOYSTICK_GF2K is not set
# CONFIG_JOYSTICK_GRIP is not set
# CONFIG_JOYSTICK_GRIP_MP is not set
# CONFIG_JOYSTICK_GUILLEMOT is not set
# CONFIG_JOYSTICK_INTERACT is not set
# CONFIG_JOYSTICK_SIDEWINDER is not set
# CONFIG_JOYSTICK_TMDC is not set
CONFIG_JOYSTICK_IFORCE=y
CONFIG_JOYSTICK_IFORCE_USB=y
# CONFIG_JOYSTICK_IFORCE_232 is not set
# CONFIG_JOYSTICK_WARRIOR is not set
# CONFIG_JOYSTICK_MAGELLAN is not set
# CONFIG_JOYSTICK_SPACEORB is not set
# CONFIG_JOYSTICK_SPACEBALL is not set
# CONFIG_JOYSTICK_STINGER is not set
# CONFIG_JOYSTICK_TWIDJOY is not set
# CONFIG_JOYSTICK_ZHENHUA is not set
# CONFIG_JOYSTICK_DB9 is not set
# CONFIG_JOYSTICK_GAMECON is not set
# CONFIG_JOYSTICK_TURBOGRAFX is not set
# CONFIG_JOYSTICK_AS5011 is not set
# CONFIG_JOYSTICK_JOYDUMP is not set
CONFIG_JOYSTICK_XPAD=y
CONFIG_JOYSTICK_XPAD_FF=y
CONFIG_JOYSTICK_XPAD_LEDS=y
# CONFIG_JOYSTICK_WALKERA0701 is not set
# CONFIG_JOYSTICK_PSXPAD_SPI is not set
CONFIG_JOYSTICK_PXRC=y
# CONFIG_JOYSTICK_QWIIC is not set
# CONFIG_JOYSTICK_FSIA6B is not set
# CONFIG_JOYSTICK_SENSEHAT is not set
# CONFIG_JOYSTICK_SEESAW is not set
CONFIG_INPUT_TABLET=y
CONFIG_TABLET_USB_ACECAD=y
CONFIG_TABLET_USB_AIPTEK=y
CONFIG_TABLET_USB_HANWANG=y
CONFIG_TABLET_USB_KBTAB=y
CONFIG_TABLET_USB_PEGASUS=y
# CONFIG_TABLET_SERIAL_WACOM4 is not set
CONFIG_INPUT_TOUCHSCREEN=y
# CONFIG_TOUCHSCREEN_ADS7846 is not set
# CONFIG_TOUCHSCREEN_AD7877 is not set
# CONFIG_TOUCHSCREEN_AD7879 is not set
# CONFIG_TOUCHSCREEN_ADC is not set
# CONFIG_TOUCHSCREEN_AR1021_I2C is not set
# CONFIG_TOUCHSCREEN_ATMEL_MXT is not set
# CONFIG_TOUCHSCREEN_AUO_PIXCIR is not set
# CONFIG_TOUCHSCREEN_BU21013 is not set
# CONFIG_TOUCHSCREEN_BU21029 is not set
# CONFIG_TOUCHSCREEN_CHIPONE_ICN8318 is not set
# CONFIG_TOUCHSCREEN_CHIPONE_ICN8505 is not set
# CONFIG_TOUCHSCREEN_CY8CTMA140 is not set
# CONFIG_TOUCHSCREEN_CY8CTMG110 is not set
# CONFIG_TOUCHSCREEN_CYTTSP_CORE is not set
# CONFIG_TOUCHSCREEN_CYTTSP5 is not set
# CONFIG_TOUCHSCREEN_DYNAPRO is not set
# CONFIG_TOUCHSCREEN_HAMPSHIRE is not set
# CONFIG_TOUCHSCREEN_EETI is not set
# CONFIG_TOUCHSCREEN_EGALAX is not set
# CONFIG_TOUCHSCREEN_EGALAX_SERIAL is not set
# CONFIG_TOUCHSCREEN_EXC3000 is not set
# CONFIG_TOUCHSCREEN_FUJITSU is not set
# CONFIG_TOUCHSCREEN_GOODIX is not set
# CONFIG_TOUCHSCREEN_GOODIX_BERLIN_I2C is not set
# CONFIG_TOUCHSCREEN_GOODIX_BERLIN_SPI is not set
# CONFIG_TOUCHSCREEN_HIDEEP is not set
# CONFIG_TOUCHSCREEN_HIMAX_HX852X is not set
# CONFIG_TOUCHSCREEN_HYCON_HY46XX is not set
# CONFIG_TOUCHSCREEN_HYNITRON_CSTXXX is not set
# CONFIG_TOUCHSCREEN_HYNITRON_CST816X is not set
# CONFIG_TOUCHSCREEN_ILI210X is not set
# CONFIG_TOUCHSCREEN_ILITEK is not set
# CONFIG_TOUCHSCREEN_S6SY761 is not set
# CONFIG_TOUCHSCREEN_GUNZE is not set
# CONFIG_TOUCHSCREEN_EKTF2127 is not set
# CONFIG_TOUCHSCREEN_ELAN is not set
# CONFIG_TOUCHSCREEN_ELO is not set
# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
# CONFIG_TOUCHSCREEN_WACOM_I2C is not set
# CONFIG_TOUCHSCREEN_MAX11801 is not set
# CONFIG_TOUCHSCREEN_MMS114 is not set
# CONFIG_TOUCHSCREEN_MELFAS_MIP4 is not set
# CONFIG_TOUCHSCREEN_MSG2638 is not set
# CONFIG_TOUCHSCREEN_MTOUCH is not set
# CONFIG_TOUCHSCREEN_NOVATEK_NVT_TS is not set
# CONFIG_TOUCHSCREEN_IMAGIS is not set
# CONFIG_TOUCHSCREEN_IMX6UL_TSC is not set
# CONFIG_TOUCHSCREEN_INEXIO is not set
# CONFIG_TOUCHSCREEN_PENMOUNT is not set
# CONFIG_TOUCHSCREEN_EDT_FT5X06 is not set
# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
# CONFIG_TOUCHSCREEN_PIXCIR is not set
# CONFIG_TOUCHSCREEN_WDT87XX_I2C is not set
CONFIG_TOUCHSCREEN_USB_COMPOSITE=y
CONFIG_TOUCHSCREEN_USB_EGALAX=y
CONFIG_TOUCHSCREEN_USB_PANJIT=y
CONFIG_TOUCHSCREEN_USB_3M=y
CONFIG_TOUCHSCREEN_USB_ITM=y
CONFIG_TOUCHSCREEN_USB_ETURBO=y
CONFIG_TOUCHSCREEN_USB_GUNZE=y
CONFIG_TOUCHSCREEN_USB_DMC_TSC10=y
CONFIG_TOUCHSCREEN_USB_IRTOUCH=y
CONFIG_TOUCHSCREEN_USB_IDEALTEK=y
CONFIG_TOUCHSCREEN_USB_GENERAL_TOUCH=y
CONFIG_TOUCHSCREEN_USB_GOTOP=y
CONFIG_TOUCHSCREEN_USB_JASTEC=y
CONFIG_TOUCHSCREEN_USB_ELO=y
CONFIG_TOUCHSCREEN_USB_E2I=y
CONFIG_TOUCHSCREEN_USB_ZYTRONIC=y
CONFIG_TOUCHSCREEN_USB_ETT_TC45USB=y
CONFIG_TOUCHSCREEN_USB_NEXIO=y
CONFIG_TOUCHSCREEN_USB_EASYTOUCH=y
# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
# CONFIG_TOUCHSCREEN_TSC_SERIO is not set
# CONFIG_TOUCHSCREEN_TSC2004 is not set
# CONFIG_TOUCHSCREEN_TSC2005 is not set
# CONFIG_TOUCHSCREEN_TSC2007 is not set
# CONFIG_TOUCHSCREEN_RM_TS is not set
# CONFIG_TOUCHSCREEN_SILEAD is not set
# CONFIG_TOUCHSCREEN_SIS_I2C is not set
# CONFIG_TOUCHSCREEN_ST1232 is not set
# CONFIG_TOUCHSCREEN_STMFTS is not set
CONFIG_TOUCHSCREEN_SUR40=y
# CONFIG_TOUCHSCREEN_SURFACE3_SPI is not set
# CONFIG_TOUCHSCREEN_SX8654 is not set
# CONFIG_TOUCHSCREEN_TPS6507X is not set
# CONFIG_TOUCHSCREEN_ZET6223 is not set
# CONFIG_TOUCHSCREEN_ZFORCE is not set
# CONFIG_TOUCHSCREEN_COLIBRI_VF50 is not set
# CONFIG_TOUCHSCREEN_ROHM_BU21023 is not set
# CONFIG_TOUCHSCREEN_IQS5XX is not set
# CONFIG_TOUCHSCREEN_IQS7211 is not set
# CONFIG_TOUCHSCREEN_ZINITIX is not set
# CONFIG_TOUCHSCREEN_HIMAX_HX83112B is not set
CONFIG_INPUT_MISC=y
# CONFIG_INPUT_AD714X is not set
# CONFIG_INPUT_ATMEL_CAPTOUCH is not set
# CONFIG_INPUT_AW86927 is not set
# CONFIG_INPUT_BMA150 is not set
# CONFIG_INPUT_E3X0_BUTTON is not set
# CONFIG_INPUT_PCSPKR is not set
# CONFIG_INPUT_MMA8450 is not set
# CONFIG_INPUT_APANEL is not set
# CONFIG_INPUT_GPIO_BEEPER is not set
# CONFIG_INPUT_GPIO_DECODER is not set
# CONFIG_INPUT_GPIO_VIBRA is not set
# CONFIG_INPUT_ATLAS_BTNS is not set
CONFIG_INPUT_ATI_REMOTE2=y
CONFIG_INPUT_KEYSPAN_REMOTE=y
# CONFIG_INPUT_KXTJ9 is not set
CONFIG_INPUT_POWERMATE=y
CONFIG_INPUT_YEALINK=y
CONFIG_INPUT_CM109=y
# CONFIG_INPUT_REGULATOR_HAPTIC is not set
# CONFIG_INPUT_RETU_PWRBUTTON is not set
# CONFIG_INPUT_TWL4030_PWRBUTTON is not set
# CONFIG_INPUT_TWL4030_VIBRA is not set
CONFIG_INPUT_UINPUT=y
# CONFIG_INPUT_PCF8574 is not set
# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
# CONFIG_INPUT_DA7280_HAPTICS is not set
# CONFIG_INPUT_ADXL34X is not set
# CONFIG_INPUT_IBM_PANEL is not set
CONFIG_INPUT_IMS_PCU=y
# CONFIG_INPUT_IQS269A is not set
# CONFIG_INPUT_IQS626A is not set
# CONFIG_INPUT_IQS7222 is not set
# CONFIG_INPUT_CMA3000 is not set
# CONFIG_INPUT_IDEAPAD_SLIDEBAR is not set
# CONFIG_INPUT_DRV260X_HAPTICS is not set
# CONFIG_INPUT_DRV2665_HAPTICS is not set
# CONFIG_INPUT_DRV2667_HAPTICS is not set
CONFIG_RMI4_CORE=y
# CONFIG_RMI4_I2C is not set
# CONFIG_RMI4_SPI is not set
# CONFIG_RMI4_SMB is not set
CONFIG_RMI4_F03=y
CONFIG_RMI4_F03_SERIO=y
CONFIG_RMI4_2D_SENSOR=y
CONFIG_RMI4_F11=y
CONFIG_RMI4_F12=y
# CONFIG_RMI4_F1A is not set
# CONFIG_RMI4_F21 is not set
CONFIG_RMI4_F30=y
# CONFIG_RMI4_F34 is not set
CONFIG_RMI4_F3A=y
# CONFIG_RMI4_F54 is not set
# CONFIG_RMI4_F55 is not set

#
# Hardware I/O ports
#
CONFIG_SERIO=y
CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y
CONFIG_SERIO_I8042=y
CONFIG_SERIO_SERPORT=y
# CONFIG_SERIO_CT82C710 is not set
# CONFIG_SERIO_PARKBD is not set
# CONFIG_SERIO_PCIPS2 is not set
CONFIG_SERIO_LIBPS2=y
# CONFIG_SERIO_RAW is not set
# CONFIG_SERIO_ALTERA_PS2 is not set
# CONFIG_SERIO_PS2MULT is not set
# CONFIG_SERIO_ARC_PS2 is not set
# CONFIG_SERIO_APBPS2 is not set
# CONFIG_SERIO_GPIO_PS2 is not set
CONFIG_USERIO=y
# CONFIG_GAMEPORT is not set
# end of Hardware I/O ports
# end of Input device support

#
# Character devices
#
CONFIG_TTY=y
CONFIG_VT=y
CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_VT_CONSOLE=y
CONFIG_VT_CONSOLE_SLEEP=y
CONFIG_VT_HW_CONSOLE_BINDING=y
CONFIG_UNIX98_PTYS=y
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
CONFIG_LEGACY_TIOCSTI=y
CONFIG_LDISC_AUTOLOAD=y

#
# Serial drivers
#
CONFIG_SERIAL_EARLYCON=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_PNP=y
# CONFIG_SERIAL_8250_16550A_VARIANTS is not set
# CONFIG_SERIAL_8250_FINTEK is not set
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_DMA=y
CONFIG_SERIAL_8250_PCILIB=y
CONFIG_SERIAL_8250_PCI=y
# CONFIG_SERIAL_8250_EXAR is not set
# CONFIG_SERIAL_8250_CS is not set
CONFIG_SERIAL_8250_NR_UARTS=32
CONFIG_SERIAL_8250_RUNTIME_UARTS=4
CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_SERIAL_8250_DETECT_IRQ=y
CONFIG_SERIAL_8250_RSA=y
CONFIG_SERIAL_8250_MANY_PORTS=y
# CONFIG_SERIAL_8250_PCI1XXXX is not set
# CONFIG_SERIAL_8250_DW is not set
# CONFIG_SERIAL_8250_RT288X is not set
CONFIG_SERIAL_8250_LPSS=y
CONFIG_SERIAL_8250_MID=y
CONFIG_SERIAL_8250_PERICOM=y
# CONFIG_SERIAL_8250_NI is not set
# CONFIG_SERIAL_OF_PLATFORM is not set
CONFIG_SERIAL_8250_DWLIB=y

#
# Non-8250 serial port support
#
# CONFIG_SERIAL_MAX3100 is not set
# CONFIG_SERIAL_MAX310X is not set
# CONFIG_SERIAL_UARTLITE is not set
CONFIG_SERIAL_CORE=y
CONFIG_SERIAL_CORE_CONSOLE=y
# CONFIG_SERIAL_JSM is not set
# CONFIG_SERIAL_SIFIVE is not set
# CONFIG_SERIAL_LANTIQ is not set
# CONFIG_SERIAL_SCCNXP is not set
# CONFIG_SERIAL_SC16IS7XX is not set
# CONFIG_SERIAL_ALTERA_JTAGUART is not set
# CONFIG_SERIAL_ALTERA_UART is not set
# CONFIG_SERIAL_XILINX_PS_UART is not set
# CONFIG_SERIAL_ARC is not set
# CONFIG_SERIAL_RP2 is not set
# CONFIG_SERIAL_FSL_LPUART is not set
# CONFIG_SERIAL_FSL_LINFLEXUART is not set
# CONFIG_SERIAL_CONEXANT_DIGICOLOR is not set
# CONFIG_SERIAL_SPRD is not set
# end of Serial drivers

CONFIG_SERIAL_MCTRL_GPIO=y
CONFIG_SERIAL_NONSTANDARD=y
# CONFIG_MOXA_INTELLIO is not set
# CONFIG_MOXA_SMARTIO is not set
CONFIG_N_HDLC=y
# CONFIG_IPWIRELESS is not set
CONFIG_N_GSM=y
CONFIG_NOZOMI=y
CONFIG_NULL_TTY=y
CONFIG_HVC_DRIVER=y
CONFIG_SERIAL_DEV_BUS=y
CONFIG_SERIAL_DEV_CTRL_TTYPORT=y
CONFIG_TTY_PRINTK=y
CONFIG_TTY_PRINTK_LEVEL=6
# CONFIG_PRINTER is not set
# CONFIG_PPDEV is not set
CONFIG_VIRTIO_CONSOLE=y
# CONFIG_IPMI_HANDLER is not set
# CONFIG_SSIF_IPMI_BMC is not set
# CONFIG_IPMB_DEVICE_INTERFACE is not set
CONFIG_HW_RANDOM=y
# CONFIG_HW_RANDOM_TIMERIOMEM is not set
# CONFIG_HW_RANDOM_INTEL is not set
# CONFIG_HW_RANDOM_AMD is not set
# CONFIG_HW_RANDOM_BA431 is not set
# CONFIG_HW_RANDOM_VIA is not set
CONFIG_HW_RANDOM_VIRTIO=y
# CONFIG_HW_RANDOM_CCTRNG is not set
# CONFIG_HW_RANDOM_XIPHERA is not set
# CONFIG_APPLICOM is not set
# CONFIG_DEVMEM is not set
CONFIG_NVRAM=y
# CONFIG_DEVPORT is not set
CONFIG_HPET=y
CONFIG_HPET_MMAP=y
CONFIG_HPET_MMAP_DEFAULT=y
# CONFIG_HANGCHECK_TIMER is not set
CONFIG_TCG_TPM=y
# CONFIG_TCG_TPM2_HMAC is not set
# CONFIG_HW_RANDOM_TPM is not set
CONFIG_TCG_TIS_CORE=y
CONFIG_TCG_TIS=y
# CONFIG_TCG_TIS_SPI is not set
# CONFIG_TCG_TIS_I2C is not set
# CONFIG_TCG_TIS_I2C_CR50 is not set
# CONFIG_TCG_TIS_I2C_ATMEL is not set
# CONFIG_TCG_TIS_I2C_INFINEON is not set
# CONFIG_TCG_TIS_I2C_NUVOTON is not set
# CONFIG_TCG_NSC is not set
# CONFIG_TCG_ATMEL is not set
# CONFIG_TCG_INFINEON is not set
CONFIG_TCG_CRB=y
# CONFIG_TCG_VTPM_PROXY is not set
# CONFIG_TCG_TIS_ST33ZP24_I2C is not set
# CONFIG_TCG_TIS_ST33ZP24_SPI is not set
# CONFIG_TELCLOCK is not set
CONFIG_XILLYBUS_CLASS=y
# CONFIG_XILLYBUS is not set
CONFIG_XILLYUSB=y
# end of Character devices

#
# I2C support
#
CONFIG_I2C=y
CONFIG_ACPI_I2C_OPREGION=y
CONFIG_I2C_BOARDINFO=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_MUX=y

#
# Multiplexer I2C Chip support
#
# CONFIG_I2C_ARB_GPIO_CHALLENGE is not set
# CONFIG_I2C_MUX_GPIO is not set
# CONFIG_I2C_MUX_GPMUX is not set
# CONFIG_I2C_MUX_LTC4306 is not set
# CONFIG_I2C_MUX_PCA9541 is not set
# CONFIG_I2C_MUX_PCA954x is not set
CONFIG_I2C_MUX_REG=y
# CONFIG_I2C_MUX_MLXCPLD is not set
# end of Multiplexer I2C Chip support

CONFIG_I2C_HELPER_AUTO=y
CONFIG_I2C_SMBUS=y
CONFIG_I2C_ALGOBIT=y

#
# I2C Hardware Bus support
#

#
# PC SMBus host controller drivers
#
# CONFIG_I2C_ALI1535 is not set
# CONFIG_I2C_ALI1563 is not set
# CONFIG_I2C_ALI15X3 is not set
# CONFIG_I2C_AMD756 is not set
# CONFIG_I2C_AMD8111 is not set
# CONFIG_I2C_AMD_MP2 is not set
CONFIG_I2C_I801=y
# CONFIG_I2C_ISCH is not set
# CONFIG_I2C_ISMT is not set
# CONFIG_I2C_PIIX4 is not set
# CONFIG_I2C_CHT_WC is not set
# CONFIG_I2C_NFORCE2 is not set
# CONFIG_I2C_NVIDIA_GPU is not set
# CONFIG_I2C_SIS5595 is not set
# CONFIG_I2C_SIS630 is not set
# CONFIG_I2C_SIS96X is not set
# CONFIG_I2C_VIA is not set
# CONFIG_I2C_VIAPRO is not set
# CONFIG_I2C_ZHAOXIN is not set

#
# ACPI drivers
#
# CONFIG_I2C_SCMI is not set

#
# I2C system bus drivers (mostly embedded / system-on-chip)
#
# CONFIG_I2C_CBUS_GPIO is not set
CONFIG_I2C_DESIGNWARE_CORE=y
CONFIG_I2C_DESIGNWARE_PLATFORM=y
# CONFIG_I2C_DESIGNWARE_BAYTRAIL is not set
# CONFIG_I2C_DESIGNWARE_PCI is not set
# CONFIG_I2C_EMEV2 is not set
# CONFIG_I2C_GPIO is not set
# CONFIG_I2C_OCORES is not set
# CONFIG_I2C_PCA_PLATFORM is not set
# CONFIG_I2C_RK3X is not set
# CONFIG_I2C_SIMTEC is not set
# CONFIG_I2C_XILINX is not set

#
# External I2C/SMBus adapter drivers
#
CONFIG_I2C_DIOLAN_U2C=y
CONFIG_I2C_DLN2=y
CONFIG_I2C_LJCA=y
CONFIG_I2C_CP2615=y
# CONFIG_I2C_PARPORT is not set
# CONFIG_I2C_PCI1XXXX is not set
CONFIG_I2C_ROBOTFUZZ_OSIF=y
# CONFIG_I2C_TAOS_EVM is not set
CONFIG_I2C_TINY_USB=y
CONFIG_I2C_VIPERBOARD=y

#
# Other I2C/SMBus bus drivers
#
# CONFIG_I2C_MLXCPLD is not set
# CONFIG_I2C_VIRTIO is not set
# end of I2C Hardware Bus support

# CONFIG_I2C_STUB is not set
CONFIG_I2C_SLAVE=y
CONFIG_I2C_SLAVE_EEPROM=y
# CONFIG_I2C_SLAVE_TESTUNIT is not set
# CONFIG_I2C_DEBUG_CORE is not set
# CONFIG_I2C_DEBUG_ALGO is not set
# CONFIG_I2C_DEBUG_BUS is not set
# end of I2C support

# CONFIG_I3C is not set
CONFIG_I3C_OR_I2C=y
CONFIG_SPI=y
# CONFIG_SPI_DEBUG is not set
CONFIG_SPI_MASTER=y
# CONFIG_SPI_MEM is not set

#
# SPI Master Controller Drivers
#
# CONFIG_SPI_ALTERA is not set
# CONFIG_SPI_AXI_SPI_ENGINE is not set
# CONFIG_SPI_BITBANG is not set
# CONFIG_SPI_BUTTERFLY is not set
# CONFIG_SPI_CADENCE is not set
# CONFIG_SPI_CADENCE_QUADSPI is not set
# CONFIG_SPI_CH341 is not set
# CONFIG_SPI_DESIGNWARE is not set
CONFIG_SPI_DLN2=y
# CONFIG_SPI_GPIO is not set
# CONFIG_SPI_LM70_LLP is not set
# CONFIG_SPI_FSL_SPI is not set
CONFIG_SPI_LJCA=y
# CONFIG_SPI_MICROCHIP_CORE_QSPI is not set
# CONFIG_SPI_MICROCHIP_CORE_SPI is not set
# CONFIG_SPI_LANTIQ_SSC is not set
# CONFIG_SPI_OC_TINY is not set
# CONFIG_SPI_PCI1XXXX is not set
# CONFIG_SPI_PXA2XX is not set
# CONFIG_SPI_SC18IS602 is not set
# CONFIG_SPI_SIFIVE is not set
# CONFIG_SPI_MXIC is not set
# CONFIG_SPI_VIRTIO is not set
# CONFIG_SPI_XCOMM is not set
# CONFIG_SPI_XILINX is not set

#
# SPI Multiplexer support
#
# CONFIG_SPI_MUX is not set

#
# SPI Protocol Masters
#
# CONFIG_SPI_SPIDEV is not set
# CONFIG_SPI_LOOPBACK_TEST is not set
# CONFIG_SPI_TLE62X0 is not set
# CONFIG_SPI_SLAVE is not set
CONFIG_SPI_DYNAMIC=y
# CONFIG_SPMI is not set
# CONFIG_HSI is not set
CONFIG_PPS=y
# CONFIG_PPS_DEBUG is not set

#
# PPS clients support
#
# CONFIG_PPS_CLIENT_KTIMER is not set
# CONFIG_PPS_CLIENT_LDISC is not set
# CONFIG_PPS_CLIENT_PARPORT is not set
# CONFIG_PPS_CLIENT_GPIO is not set
# CONFIG_PPS_GENERATOR is not set

#
# PTP clock support
#
CONFIG_PTP_1588_CLOCK=y
CONFIG_PTP_1588_CLOCK_OPTIONAL=y

#
# Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks.
#
CONFIG_PTP_1588_CLOCK_KVM=y
CONFIG_PTP_1588_CLOCK_VMCLOCK=y
# CONFIG_PTP_1588_CLOCK_IDT82P33 is not set
# CONFIG_PTP_1588_CLOCK_IDTCM is not set
# CONFIG_PTP_1588_CLOCK_FC3W is not set
# CONFIG_PTP_1588_CLOCK_MOCK is not set
# CONFIG_PTP_1588_CLOCK_VMW is not set
# CONFIG_PTP_1588_CLOCK_OCP is not set
# CONFIG_PTP_NETC_V4_TIMER is not set
# end of PTP clock support

#
# DPLL device support
#
# CONFIG_ZL3073X_I2C is not set
# CONFIG_ZL3073X_SPI is not set
# end of DPLL device support

# CONFIG_PINCTRL is not set
CONFIG_GPIOLIB_LEGACY=y
CONFIG_GPIOLIB=y
CONFIG_GPIOLIB_FASTPATH_LIMIT=512
CONFIG_OF_GPIO=y
CONFIG_GPIO_ACPI=y
CONFIG_GPIOLIB_IRQCHIP=y
# CONFIG_DEBUG_GPIO is not set
# CONFIG_GPIO_SYSFS is not set
# CONFIG_GPIO_CDEV is not set

#
# Memory mapped GPIO drivers
#
# CONFIG_GPIO_74XX_MMIO is not set
# CONFIG_GPIO_ALTERA is not set
# CONFIG_GPIO_AMDPT is not set
# CONFIG_GPIO_CADENCE is not set
# CONFIG_GPIO_DWAPB is not set
# CONFIG_GPIO_FTGPIO010 is not set
# CONFIG_GPIO_GENERIC_PLATFORM is not set
# CONFIG_GPIO_GRANITERAPIDS is not set
# CONFIG_GPIO_GRGPIO is not set
# CONFIG_GPIO_HLWD is not set
# CONFIG_GPIO_ICH is not set
# CONFIG_GPIO_LOGICVC is not set
# CONFIG_GPIO_MB86S7X is not set
# CONFIG_GPIO_POLARFIRE_SOC is not set
# CONFIG_GPIO_SIFIVE is not set
# CONFIG_GPIO_SYSCON is not set
# CONFIG_GPIO_XILINX is not set
# CONFIG_GPIO_AMD_FCH is not set
# end of Memory mapped GPIO drivers

#
# Port-mapped I/O GPIO drivers
#
# CONFIG_GPIO_VX855 is not set
# CONFIG_GPIO_F7188X is not set
# CONFIG_GPIO_IT87 is not set
# CONFIG_GPIO_SCH311X is not set
# CONFIG_GPIO_WINBOND is not set
# CONFIG_GPIO_WS16C48 is not set
# end of Port-mapped I/O GPIO drivers

#
# I2C GPIO expanders
#
# CONFIG_GPIO_ADNP is not set
# CONFIG_GPIO_FXL6408 is not set
# CONFIG_GPIO_DS4520 is not set
# CONFIG_GPIO_GW_PLD is not set
# CONFIG_GPIO_MAX7300 is not set
# CONFIG_GPIO_MAX732X is not set
# CONFIG_GPIO_PCA953X is not set
# CONFIG_GPIO_PCA9570 is not set
# CONFIG_GPIO_PCF857X is not set
# CONFIG_GPIO_TPIC2810 is not set
# end of I2C GPIO expanders

#
# MFD GPIO expanders
#
CONFIG_GPIO_DLN2=y
CONFIG_GPIO_LJCA=y
# CONFIG_GPIO_TWL4030 is not set
# CONFIG_GPIO_WHISKEY_COVE is not set
# end of MFD GPIO expanders

#
# PCI GPIO expanders
#
# CONFIG_GPIO_AMD8111 is not set
# CONFIG_GPIO_BT8XX is not set
# CONFIG_GPIO_ML_IOH is not set
# CONFIG_GPIO_PCI_IDIO_16 is not set
# CONFIG_GPIO_PCIE_IDIO_24 is not set
# CONFIG_GPIO_RDC321X is not set
# CONFIG_GPIO_SODAVILLE is not set
# end of PCI GPIO expanders

#
# SPI GPIO expanders
#
# CONFIG_GPIO_74X164 is not set
# CONFIG_GPIO_MAX3191X is not set
# CONFIG_GPIO_MAX7301 is not set
# CONFIG_GPIO_MC33880 is not set
# CONFIG_GPIO_PISOSR is not set
# CONFIG_GPIO_XRA1403 is not set
# end of SPI GPIO expanders

#
# USB GPIO expanders
#
CONFIG_GPIO_VIPERBOARD=y
# CONFIG_GPIO_MPSSE is not set
# end of USB GPIO expanders

#
# Virtual GPIO drivers
#
# CONFIG_GPIO_AGGREGATOR is not set
# CONFIG_GPIO_LATCH is not set
# CONFIG_GPIO_LINE_MUX is not set
# CONFIG_GPIO_MOCKUP is not set
# CONFIG_GPIO_VIRTIO is not set
# CONFIG_GPIO_SIM is not set
# end of Virtual GPIO drivers

#
# GPIO Debugging utilities
#
# CONFIG_GPIO_SLOPPY_LOGIC_ANALYZER is not set
# CONFIG_GPIO_VIRTUSER is not set
# end of GPIO Debugging utilities

# CONFIG_W1 is not set
# CONFIG_POWER_RESET is not set
# CONFIG_POWER_SEQUENCING is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
CONFIG_POWER_SUPPLY_HWMON=y
# CONFIG_GENERIC_ADC_BATTERY is not set
# CONFIG_IP5XXX_POWER is not set
# CONFIG_TEST_POWER is not set
# CONFIG_CHARGER_ADP5061 is not set
# CONFIG_BATTERY_CHAGALL is not set
# CONFIG_BATTERY_CW2015 is not set
# CONFIG_BATTERY_DS2780 is not set
# CONFIG_BATTERY_DS2781 is not set
# CONFIG_BATTERY_DS2782 is not set
# CONFIG_BATTERY_SAMSUNG_SDI is not set
# CONFIG_BATTERY_SBS is not set
# CONFIG_CHARGER_SBS is not set
# CONFIG_MANAGER_SBS is not set
# CONFIG_BATTERY_BQ27XXX is not set
# CONFIG_BATTERY_MAX17040 is not set
# CONFIG_BATTERY_MAX17042 is not set
# CONFIG_BATTERY_MAX1720X is not set
CONFIG_CHARGER_ISP1704=y
# CONFIG_CHARGER_MAX8903 is not set
# CONFIG_CHARGER_TWL4030 is not set
# CONFIG_CHARGER_TWL6030 is not set
# CONFIG_CHARGER_LP8727 is not set
# CONFIG_CHARGER_GPIO is not set
# CONFIG_CHARGER_MANAGER is not set
# CONFIG_CHARGER_LT3651 is not set
# CONFIG_CHARGER_LTC4162L is not set
# CONFIG_CHARGER_DETECTOR_MAX14656 is not set
# CONFIG_CHARGER_MAX77976 is not set
# CONFIG_CHARGER_MAX8971 is not set
# CONFIG_CHARGER_MT6360 is not set
# CONFIG_CHARGER_MT6370 is not set
# CONFIG_CHARGER_BQ2415X is not set
CONFIG_CHARGER_BQ24190=y
# CONFIG_CHARGER_BQ24257 is not set
# CONFIG_CHARGER_BQ24735 is not set
# CONFIG_CHARGER_BQ2515X is not set
# CONFIG_CHARGER_BQ25890 is not set
# CONFIG_CHARGER_BQ25980 is not set
# CONFIG_CHARGER_BQ256XX is not set
# CONFIG_CHARGER_SMB347 is not set
# CONFIG_BATTERY_GAUGE_LTC2941 is not set
# CONFIG_BATTERY_GOLDFISH is not set
# CONFIG_BATTERY_RT5033 is not set
# CONFIG_CHARGER_RT9455 is not set
# CONFIG_CHARGER_RT9467 is not set
# CONFIG_CHARGER_RT9471 is not set
# CONFIG_CHARGER_RT9756 is not set
# CONFIG_FUEL_GAUGE_STC3117 is not set
# CONFIG_CHARGER_UCS1002 is not set
# CONFIG_CHARGER_BD99954 is not set
# CONFIG_BATTERY_SURFACE is not set
# CONFIG_CHARGER_SURFACE is not set
# CONFIG_BATTERY_UG3105 is not set
# CONFIG_FUEL_GAUGE_MM8013 is not set
CONFIG_HWMON=y
# CONFIG_HWMON_DEBUG_CHIP is not set

#
# Native drivers
#
# CONFIG_SENSORS_ABITUGURU is not set
# CONFIG_SENSORS_ABITUGURU3 is not set
# CONFIG_SENSORS_AD7314 is not set
# CONFIG_SENSORS_AD7414 is not set
# CONFIG_SENSORS_AD7418 is not set
# CONFIG_SENSORS_ADM1025 is not set
# CONFIG_SENSORS_ADM1026 is not set
# CONFIG_SENSORS_ADM1029 is not set
# CONFIG_SENSORS_ADM1031 is not set
# CONFIG_SENSORS_ADM1177 is not set
# CONFIG_SENSORS_ADM9240 is not set
# CONFIG_SENSORS_ADT7310 is not set
# CONFIG_SENSORS_ADT7410 is not set
# CONFIG_SENSORS_ADT7411 is not set
# CONFIG_SENSORS_ADT7462 is not set
# CONFIG_SENSORS_ADT7470 is not set
# CONFIG_SENSORS_ADT7475 is not set
# CONFIG_SENSORS_AHT10 is not set
CONFIG_SENSORS_AQUACOMPUTER_D5NEXT=y
# CONFIG_SENSORS_AS370 is not set
# CONFIG_SENSORS_ASC7621 is not set
# CONFIG_SENSORS_ASUS_ROG_RYUJIN is not set
# CONFIG_SENSORS_AXI_FAN_CONTROL is not set
# CONFIG_SENSORS_K8TEMP is not set
# CONFIG_SENSORS_K10TEMP is not set
# CONFIG_SENSORS_FAM15H_POWER is not set
# CONFIG_SENSORS_APPLESMC is not set
# CONFIG_SENSORS_ASB100 is not set
# CONFIG_SENSORS_ATXP1 is not set
# CONFIG_SENSORS_CHIPCAP2 is not set
CONFIG_SENSORS_CORSAIR_CPRO=y
CONFIG_SENSORS_CORSAIR_PSU=y
# CONFIG_SENSORS_DRIVETEMP is not set
# CONFIG_SENSORS_DS620 is not set
# CONFIG_SENSORS_DS1621 is not set
# CONFIG_SENSORS_DELL_SMM is not set
# CONFIG_SENSORS_I5K_AMB is not set
# CONFIG_SENSORS_F71805F is not set
# CONFIG_SENSORS_F71882FG is not set
# CONFIG_SENSORS_F75375S is not set
# CONFIG_SENSORS_FSCHMD is not set
# CONFIG_SENSORS_FTSTEUTATES is not set
CONFIG_SENSORS_GIGABYTE_WATERFORCE=y
# CONFIG_SENSORS_GL518SM is not set
# CONFIG_SENSORS_GL520SM is not set
# CONFIG_SENSORS_GPD is not set
# CONFIG_SENSORS_G760A is not set
# CONFIG_SENSORS_G762 is not set
# CONFIG_SENSORS_GPIO_FAN is not set
# CONFIG_SENSORS_HIH6130 is not set
# CONFIG_SENSORS_HS3001 is not set
# CONFIG_SENSORS_HTU31 is not set
# CONFIG_SENSORS_IIO_HWMON is not set
# CONFIG_SENSORS_I5500 is not set
# CONFIG_SENSORS_CORETEMP is not set
# CONFIG_SENSORS_ISL28022 is not set
# CONFIG_SENSORS_IT87 is not set
# CONFIG_SENSORS_JC42 is not set
CONFIG_SENSORS_POWERZ=y
# CONFIG_SENSORS_POWR1220 is not set
# CONFIG_SENSORS_LENOVO_EC is not set
# CONFIG_SENSORS_LINEAGE is not set
# CONFIG_SENSORS_LTC2945 is not set
# CONFIG_SENSORS_LTC2947_I2C is not set
# CONFIG_SENSORS_LTC2947_SPI is not set
# CONFIG_SENSORS_LTC2990 is not set
# CONFIG_SENSORS_LTC2991 is not set
# CONFIG_SENSORS_LTC2992 is not set
# CONFIG_SENSORS_LTC4151 is not set
# CONFIG_SENSORS_LTC4215 is not set
# CONFIG_SENSORS_LTC4222 is not set
# CONFIG_SENSORS_LTC4245 is not set
# CONFIG_SENSORS_LTC4260 is not set
# CONFIG_SENSORS_LTC4261 is not set
# CONFIG_SENSORS_LTC4282 is not set
# CONFIG_SENSORS_MAX1111 is not set
# CONFIG_SENSORS_MAX127 is not set
# CONFIG_SENSORS_MAX16065 is not set
# CONFIG_SENSORS_MAX1619 is not set
# CONFIG_SENSORS_MAX1668 is not set
# CONFIG_SENSORS_MAX197 is not set
# CONFIG_SENSORS_MAX31722 is not set
# CONFIG_SENSORS_MAX31730 is not set
# CONFIG_SENSORS_MAX31760 is not set
# CONFIG_MAX31827 is not set
# CONFIG_SENSORS_MAX6620 is not set
# CONFIG_SENSORS_MAX6621 is not set
# CONFIG_SENSORS_MAX6639 is not set
# CONFIG_SENSORS_MAX6650 is not set
# CONFIG_SENSORS_MAX6697 is not set
# CONFIG_SENSORS_MAX31790 is not set
# CONFIG_SENSORS_MC34VR500 is not set
# CONFIG_SENSORS_MCP3021 is not set
# CONFIG_SENSORS_TC654 is not set
# CONFIG_SENSORS_TPS23861 is not set
# CONFIG_SENSORS_MR75203 is not set
# CONFIG_SENSORS_ADCXX is not set
# CONFIG_SENSORS_LM63 is not set
# CONFIG_SENSORS_LM70 is not set
# CONFIG_SENSORS_LM73 is not set
# CONFIG_SENSORS_LM75 is not set
# CONFIG_SENSORS_LM77 is not set
# CONFIG_SENSORS_LM78 is not set
# CONFIG_SENSORS_LM80 is not set
# CONFIG_SENSORS_LM83 is not set
# CONFIG_SENSORS_LM85 is not set
# CONFIG_SENSORS_LM87 is not set
# CONFIG_SENSORS_LM90 is not set
# CONFIG_SENSORS_LM92 is not set
# CONFIG_SENSORS_LM93 is not set
# CONFIG_SENSORS_LM95234 is not set
# CONFIG_SENSORS_LM95241 is not set
# CONFIG_SENSORS_LM95245 is not set
# CONFIG_SENSORS_PC87360 is not set
# CONFIG_SENSORS_PC87427 is not set
# CONFIG_SENSORS_NTC_THERMISTOR is not set
# CONFIG_SENSORS_NCT6683 is not set
# CONFIG_SENSORS_NCT6775 is not set
# CONFIG_SENSORS_NCT6775_I2C is not set
# CONFIG_SENSORS_NCT7363 is not set
# CONFIG_SENSORS_NCT7802 is not set
# CONFIG_SENSORS_NCT7904 is not set
# CONFIG_SENSORS_NPCM7XX is not set
CONFIG_SENSORS_NZXT_KRAKEN2=y
# CONFIG_SENSORS_NZXT_KRAKEN3 is not set
CONFIG_SENSORS_NZXT_SMART2=y
# CONFIG_SENSORS_OCC_P8_I2C is not set
# CONFIG_SENSORS_PCF8591 is not set
# CONFIG_PMBUS is not set
# CONFIG_SENSORS_PT5161L is not set
# CONFIG_SENSORS_SBTSI is not set
# CONFIG_SENSORS_SHT15 is not set
# CONFIG_SENSORS_SHT21 is not set
# CONFIG_SENSORS_SHT3x is not set
# CONFIG_SENSORS_SHT4x is not set
# CONFIG_SENSORS_SHTC1 is not set
# CONFIG_SENSORS_SIS5595 is not set
# CONFIG_SENSORS_DME1737 is not set
# CONFIG_SENSORS_EMC1403 is not set
# CONFIG_SENSORS_EMC2103 is not set
# CONFIG_SENSORS_EMC2305 is not set
# CONFIG_SENSORS_EMC6W201 is not set
# CONFIG_SENSORS_SMSC47M1 is not set
# CONFIG_SENSORS_SMSC47M192 is not set
# CONFIG_SENSORS_SMSC47B397 is not set
# CONFIG_SENSORS_SCH5627 is not set
# CONFIG_SENSORS_SCH5636 is not set
# CONFIG_SENSORS_STTS751 is not set
# CONFIG_SENSORS_SURFACE_FAN is not set
# CONFIG_SENSORS_SURFACE_TEMP is not set
# CONFIG_SENSORS_ADC128D818 is not set
# CONFIG_SENSORS_ADS7828 is not set
# CONFIG_SENSORS_ADS7871 is not set
# CONFIG_SENSORS_AMC6821 is not set
# CONFIG_SENSORS_INA209 is not set
# CONFIG_SENSORS_INA2XX is not set
# CONFIG_SENSORS_INA238 is not set
# CONFIG_SENSORS_INA3221 is not set
# CONFIG_SENSORS_SPD5118 is not set
# CONFIG_SENSORS_TC74 is not set
# CONFIG_SENSORS_THMC50 is not set
# CONFIG_SENSORS_TMP102 is not set
# CONFIG_SENSORS_TMP103 is not set
# CONFIG_SENSORS_TMP108 is not set
# CONFIG_SENSORS_TMP401 is not set
# CONFIG_SENSORS_TMP421 is not set
# CONFIG_SENSORS_TMP464 is not set
# CONFIG_SENSORS_TMP513 is not set
# CONFIG_SENSORS_TSC1641 is not set
# CONFIG_SENSORS_VIA_CPUTEMP is not set
# CONFIG_SENSORS_VIA686A is not set
# CONFIG_SENSORS_VT1211 is not set
# CONFIG_SENSORS_VT8231 is not set
# CONFIG_SENSORS_W83773G is not set
# CONFIG_SENSORS_W83781D is not set
# CONFIG_SENSORS_W83791D is not set
# CONFIG_SENSORS_W83792D is not set
# CONFIG_SENSORS_W83793 is not set
# CONFIG_SENSORS_W83795 is not set
# CONFIG_SENSORS_W83L785TS is not set
# CONFIG_SENSORS_W83L786NG is not set
# CONFIG_SENSORS_W83627HF is not set
# CONFIG_SENSORS_W83627EHF is not set
# CONFIG_SENSORS_XGENE is not set

#
# ACPI drivers
#
# CONFIG_SENSORS_ACPI_POWER is not set
# CONFIG_SENSORS_ATK0110 is not set
# CONFIG_SENSORS_ASUS_WMI is not set
# CONFIG_SENSORS_ASUS_EC is not set
# CONFIG_SENSORS_HP_WMI is not set
CONFIG_THERMAL=y
CONFIG_THERMAL_NETLINK=y
# CONFIG_THERMAL_STATISTICS is not set
# CONFIG_THERMAL_DEBUGFS is not set
# CONFIG_THERMAL_CORE_TESTING is not set
CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS=0
CONFIG_THERMAL_HWMON=y
# CONFIG_THERMAL_OF is not set
CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y
# CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE is not set
# CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE is not set
# CONFIG_THERMAL_GOV_FAIR_SHARE is not set
CONFIG_THERMAL_GOV_STEP_WISE=y
# CONFIG_THERMAL_GOV_BANG_BANG is not set
# CONFIG_THERMAL_GOV_USER_SPACE is not set
# CONFIG_PCIE_THERMAL is not set
# CONFIG_THERMAL_EMULATION is not set
# CONFIG_THERMAL_MMIO is not set

#
# Intel thermal drivers
#
# CONFIG_INTEL_POWERCLAMP is not set
CONFIG_X86_THERMAL_VECTOR=y
# CONFIG_X86_PKG_TEMP_THERMAL is not set
# CONFIG_INTEL_SOC_DTS_THERMAL is not set

#
# ACPI INT340X thermal drivers
#
# CONFIG_INT340X_THERMAL is not set
# end of ACPI INT340X thermal drivers

# CONFIG_INTEL_BXT_PMIC_THERMAL is not set
# CONFIG_INTEL_PCH_THERMAL is not set
# CONFIG_INTEL_TCC_COOLING is not set
# CONFIG_INTEL_HFI_THERMAL is not set
# end of Intel thermal drivers

# CONFIG_GENERIC_ADC_THERMAL is not set
CONFIG_WATCHDOG=y
# CONFIG_WATCHDOG_CORE is not set
# CONFIG_WATCHDOG_NOWAYOUT is not set
CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED=y
CONFIG_WATCHDOG_OPEN_TIMEOUT=0
# CONFIG_WATCHDOG_SYSFS is not set
# CONFIG_WATCHDOG_HRTIMER_PRETIMEOUT is not set

#
# Watchdog Pretimeout Governors
#

#
# Watchdog Device Drivers
#
# CONFIG_SOFT_WATCHDOG is not set
# CONFIG_GPIO_WATCHDOG is not set
# CONFIG_LENOVO_SE10_WDT is not set
# CONFIG_LENOVO_SE30_WDT is not set
# CONFIG_WDAT_WDT is not set
# CONFIG_XILINX_WATCHDOG is not set
# CONFIG_ZIIRAVE_WATCHDOG is not set
# CONFIG_CADENCE_WATCHDOG is not set
# CONFIG_DW_WATCHDOG is not set
# CONFIG_TWL4030_WATCHDOG is not set
# CONFIG_MAX63XX_WATCHDOG is not set
# CONFIG_RETU_WATCHDOG is not set
# CONFIG_ACQUIRE_WDT is not set
# CONFIG_ADVANTECH_WDT is not set
# CONFIG_ADVANTECH_EC_WDT is not set
# CONFIG_ALIM1535_WDT is not set
# CONFIG_ALIM7101_WDT is not set
# CONFIG_EBC_C384_WDT is not set
# CONFIG_EXAR_WDT is not set
# CONFIG_F71808E_WDT is not set
# CONFIG_SP5100_TCO is not set
# CONFIG_SBC_FITPC2_WATCHDOG is not set
# CONFIG_EUROTECH_WDT is not set
# CONFIG_IB700_WDT is not set
# CONFIG_IBMASR is not set
# CONFIG_WAFER_WDT is not set
# CONFIG_I6300ESB_WDT is not set
# CONFIG_IE6XX_WDT is not set
# CONFIG_INTEL_OC_WATCHDOG is not set
# CONFIG_ITCO_WDT is not set
# CONFIG_IT8712F_WDT is not set
# CONFIG_IT87_WDT is not set
# CONFIG_HP_WATCHDOG is not set
# CONFIG_SC1200_WDT is not set
# CONFIG_PC87413_WDT is not set
# CONFIG_NV_TCO is not set
# CONFIG_60XX_WDT is not set
# CONFIG_SMSC_SCH311X_WDT is not set
# CONFIG_SMSC37B787_WDT is not set
# CONFIG_TQMX86_WDT is not set
# CONFIG_VIA_WDT is not set
# CONFIG_W83627HF_WDT is not set
# CONFIG_W83877F_WDT is not set
# CONFIG_W83977F_WDT is not set
# CONFIG_MACHZ_WDT is not set
# CONFIG_SBC_EPX_C3_WATCHDOG is not set
# CONFIG_INTEL_MEI_WDT is not set
# CONFIG_NI903X_WDT is not set
# CONFIG_NIC7018_WDT is not set
# CONFIG_MEN_A21_WDT is not set

#
# PCI-based Watchdog Cards
#
# CONFIG_PCIPCWATCHDOG is not set
# CONFIG_WDTPCI is not set

#
# USB-based Watchdog Cards
#
CONFIG_USBPCWATCHDOG=y
CONFIG_SSB_POSSIBLE=y
CONFIG_SSB=y
CONFIG_SSB_PCIHOST_POSSIBLE=y
# CONFIG_SSB_PCIHOST is not set
CONFIG_SSB_PCMCIAHOST_POSSIBLE=y
# CONFIG_SSB_PCMCIAHOST is not set
CONFIG_SSB_SDIOHOST_POSSIBLE=y
# CONFIG_SSB_SDIOHOST is not set
# CONFIG_SSB_DRIVER_GPIO is not set
CONFIG_BCMA_POSSIBLE=y
CONFIG_BCMA=y
CONFIG_BCMA_HOST_PCI_POSSIBLE=y
# CONFIG_BCMA_HOST_PCI is not set
# CONFIG_BCMA_HOST_SOC is not set
# CONFIG_BCMA_DRIVER_PCI is not set
# CONFIG_BCMA_DRIVER_GMAC_CMN is not set
# CONFIG_BCMA_DRIVER_GPIO is not set
# CONFIG_BCMA_DEBUG is not set

#
# Multifunction device drivers
#
CONFIG_MFD_CORE=y
# CONFIG_MFD_ADP5585 is not set
# CONFIG_MFD_ACT8945A is not set
# CONFIG_MFD_AS3711 is not set
# CONFIG_MFD_SMPRO is not set
# CONFIG_MFD_AS3722 is not set
# CONFIG_PMIC_ADP5520 is not set
# CONFIG_MFD_AAT2870_CORE is not set
# CONFIG_MFD_ATMEL_FLEXCOM is not set
# CONFIG_MFD_ATMEL_HLCDC is not set
# CONFIG_MFD_BCM590XX is not set
# CONFIG_MFD_BD9571MWV is not set
# CONFIG_MFD_AXP20X_I2C is not set
# CONFIG_MFD_CGBC is not set
# CONFIG_MFD_CS40L50_I2C is not set
# CONFIG_MFD_CS40L50_SPI is not set
# CONFIG_MFD_CS42L43_I2C is not set
# CONFIG_MFD_CS42L43_SDW is not set
# CONFIG_MFD_LOCHNAGAR is not set
# CONFIG_MFD_MADERA is not set
# CONFIG_PMIC_DA903X is not set
# CONFIG_MFD_DA9052_SPI is not set
# CONFIG_MFD_DA9052_I2C is not set
# CONFIG_MFD_DA9055 is not set
# CONFIG_MFD_DA9062 is not set
# CONFIG_MFD_DA9063 is not set
# CONFIG_MFD_DA9150 is not set
CONFIG_MFD_DLN2=y
# CONFIG_MFD_GATEWORKS_GSC is not set
# CONFIG_MFD_MC13XXX_SPI is not set
# CONFIG_MFD_MC13XXX_I2C is not set
# CONFIG_MFD_MP2629 is not set
# CONFIG_MFD_PF1550 is not set
# CONFIG_MFD_HI6421_PMIC is not set
# CONFIG_MFD_INTEL_QUARK_I2C_GPIO is not set
CONFIG_LPC_ICH=y
# CONFIG_LPC_SCH is not set
# CONFIG_INTEL_SOC_PMIC is not set
CONFIG_INTEL_SOC_PMIC_BXTWC=y
CONFIG_INTEL_SOC_PMIC_CHTWC=y
# CONFIG_INTEL_SOC_PMIC_CHTDC_TI is not set
# CONFIG_MFD_INTEL_LPSS_ACPI is not set
# CONFIG_MFD_INTEL_LPSS_PCI is not set
CONFIG_MFD_INTEL_PMC_BXT=y
# CONFIG_MFD_IQS62X is not set
# CONFIG_MFD_JANZ_CMODIO is not set
# CONFIG_MFD_KEMPLD is not set
# CONFIG_MFD_88PM800 is not set
# CONFIG_MFD_88PM805 is not set
# CONFIG_MFD_88PM860X is not set
# CONFIG_MFD_88PM886_PMIC is not set
# CONFIG_MFD_MAX5970 is not set
# CONFIG_MFD_MAX14577 is not set
# CONFIG_MFD_MAX77541 is not set
# CONFIG_MFD_MAX77620 is not set
# CONFIG_MFD_MAX77650 is not set
# CONFIG_MFD_MAX77686 is not set
# CONFIG_MFD_MAX77693 is not set
# CONFIG_MFD_MAX77705 is not set
# CONFIG_MFD_MAX77714 is not set
# CONFIG_MFD_MAX77759 is not set
# CONFIG_MFD_MAX77843 is not set
# CONFIG_MFD_MAX8907 is not set
# CONFIG_MFD_MAX8925 is not set
# CONFIG_MFD_MAX8997 is not set
# CONFIG_MFD_MAX8998 is not set
CONFIG_MFD_MT6360=y
CONFIG_MFD_MT6370=y
# CONFIG_MFD_MT6397 is not set
# CONFIG_MFD_MENF21BMC is not set
# CONFIG_MFD_NCT6694 is not set
# CONFIG_MFD_OCELOT is not set
# CONFIG_EZX_PCAP is not set
# CONFIG_MFD_CPCAP is not set
CONFIG_MFD_VIPERBOARD=y
# CONFIG_MFD_NTXEC is not set
CONFIG_MFD_RETU=y
# CONFIG_MFD_SY7636A is not set
# CONFIG_MFD_RDC321X is not set
# CONFIG_MFD_RT4831 is not set
# CONFIG_MFD_RT5033 is not set
# CONFIG_MFD_RT5120 is not set
# CONFIG_MFD_RC5T583 is not set
# CONFIG_MFD_RK8XX_I2C is not set
# CONFIG_MFD_RK8XX_SPI is not set
# CONFIG_MFD_RN5T618 is not set
# CONFIG_MFD_SEC_I2C is not set
# CONFIG_MFD_SI476X_CORE is not set
# CONFIG_MFD_SM501 is not set
# CONFIG_MFD_SKY81452 is not set
# CONFIG_MFD_STMPE is not set
CONFIG_MFD_SYSCON=y
# CONFIG_MFD_LP3943 is not set
# CONFIG_MFD_LP8788 is not set
# CONFIG_MFD_TI_LMU is not set
# CONFIG_MFD_BQ257XX is not set
# CONFIG_MFD_PALMAS is not set
# CONFIG_TPS6105X is not set
# CONFIG_TPS65010 is not set
# CONFIG_TPS6507X is not set
# CONFIG_MFD_TPS65086 is not set
# CONFIG_MFD_TPS65090 is not set
# CONFIG_MFD_TPS65217 is not set
# CONFIG_MFD_TI_LP873X is not set
# CONFIG_MFD_TI_LP87565 is not set
# CONFIG_MFD_TPS65218 is not set
# CONFIG_MFD_TPS65219 is not set
# CONFIG_MFD_TPS6586X is not set
# CONFIG_MFD_TPS65910 is not set
# CONFIG_MFD_TPS65912_I2C is not set
# CONFIG_MFD_TPS65912_SPI is not set
# CONFIG_MFD_TPS6594_I2C is not set
# CONFIG_MFD_TPS6594_SPI is not set
CONFIG_TWL4030_CORE=y
# CONFIG_MFD_TWL4030_AUDIO is not set
# CONFIG_TWL6040_CORE is not set
# CONFIG_MFD_LM3533 is not set
# CONFIG_MFD_TC3589X is not set
# CONFIG_MFD_TQMX86 is not set
# CONFIG_MFD_VX855 is not set
# CONFIG_MFD_ARIZONA_I2C is not set
# CONFIG_MFD_ARIZONA_SPI is not set
# CONFIG_MFD_WM8400 is not set
# CONFIG_MFD_WM831X_I2C is not set
# CONFIG_MFD_WM831X_SPI is not set
# CONFIG_MFD_WM8350_I2C is not set
# CONFIG_MFD_WM8994 is not set
# CONFIG_MFD_ROHM_BD718XX is not set
# CONFIG_MFD_ROHM_BD71828 is not set
# CONFIG_MFD_ROHM_BD957XMUF is not set
# CONFIG_MFD_ROHM_BD96801 is not set
# CONFIG_MFD_STPMIC1 is not set
# CONFIG_MFD_STMFX is not set
# CONFIG_MFD_ATC260X_I2C is not set
# CONFIG_MFD_QCOM_PM8008 is not set
# CONFIG_RAVE_SP_CORE is not set
# CONFIG_MFD_INTEL_M10_BMC_SPI is not set
# CONFIG_MFD_QNAP_MCU is not set
# CONFIG_MFD_RSMU_I2C is not set
# CONFIG_MFD_RSMU_SPI is not set
# CONFIG_MFD_UPBOARD_FPGA is not set
# CONFIG_MFD_MAX7360 is not set
# end of Multifunction device drivers

CONFIG_REGULATOR=y
# CONFIG_REGULATOR_DEBUG is not set
CONFIG_REGULATOR_FIXED_VOLTAGE=y
# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
# CONFIG_REGULATOR_NETLINK_EVENTS is not set
# CONFIG_REGULATOR_88PG86X is not set
# CONFIG_REGULATOR_ACT8865 is not set
# CONFIG_REGULATOR_AD5398 is not set
# CONFIG_REGULATOR_ADP5055 is not set
# CONFIG_REGULATOR_AW37503 is not set
# CONFIG_REGULATOR_DA9121 is not set
# CONFIG_REGULATOR_DA9210 is not set
# CONFIG_REGULATOR_DA9211 is not set
# CONFIG_REGULATOR_FAN53555 is not set
# CONFIG_REGULATOR_FAN53880 is not set
# CONFIG_REGULATOR_GPIO is not set
# CONFIG_REGULATOR_ISL9305 is not set
# CONFIG_REGULATOR_ISL6271A is not set
# CONFIG_REGULATOR_FP9931 is not set
# CONFIG_REGULATOR_LP3971 is not set
# CONFIG_REGULATOR_LP3972 is not set
# CONFIG_REGULATOR_LP872X is not set
# CONFIG_REGULATOR_LP8755 is not set
# CONFIG_REGULATOR_LTC3589 is not set
# CONFIG_REGULATOR_LTC3676 is not set
# CONFIG_REGULATOR_MAX1586 is not set
# CONFIG_REGULATOR_MAX77503 is not set
# CONFIG_REGULATOR_MAX77675 is not set
# CONFIG_REGULATOR_MAX77857 is not set
# CONFIG_REGULATOR_MAX8649 is not set
# CONFIG_REGULATOR_MAX8660 is not set
# CONFIG_REGULATOR_MAX8893 is not set
# CONFIG_REGULATOR_MAX8952 is not set
# CONFIG_REGULATOR_MAX20086 is not set
# CONFIG_REGULATOR_MAX20411 is not set
# CONFIG_REGULATOR_MAX77826 is not set
# CONFIG_REGULATOR_MAX77838 is not set
# CONFIG_REGULATOR_MCP16502 is not set
# CONFIG_REGULATOR_MP5416 is not set
# CONFIG_REGULATOR_MP8859 is not set
# CONFIG_REGULATOR_MP886X is not set
# CONFIG_REGULATOR_MPQ7920 is not set
# CONFIG_REGULATOR_MT6311 is not set
# CONFIG_REGULATOR_MT6360 is not set
# CONFIG_REGULATOR_MT6370 is not set
# CONFIG_REGULATOR_PCA9450 is not set
# CONFIG_REGULATOR_PF9453 is not set
# CONFIG_REGULATOR_PF0900 is not set
# CONFIG_REGULATOR_PF530X is not set
# CONFIG_REGULATOR_PF8X00 is not set
# CONFIG_REGULATOR_PFUZE100 is not set
# CONFIG_REGULATOR_PV88060 is not set
# CONFIG_REGULATOR_PV88080 is not set
# CONFIG_REGULATOR_PV88090 is not set
# CONFIG_REGULATOR_RAA215300 is not set
# CONFIG_REGULATOR_RT4801 is not set
# CONFIG_REGULATOR_RT4803 is not set
# CONFIG_REGULATOR_RT5133 is not set
# CONFIG_REGULATOR_RT5190A is not set
# CONFIG_REGULATOR_RT5739 is not set
# CONFIG_REGULATOR_RT5759 is not set
# CONFIG_REGULATOR_RT6160 is not set
# CONFIG_REGULATOR_RT6190 is not set
# CONFIG_REGULATOR_RT6245 is not set
# CONFIG_REGULATOR_RT8092 is not set
# CONFIG_REGULATOR_RTQ2134 is not set
# CONFIG_REGULATOR_RTMV20 is not set
# CONFIG_REGULATOR_RTQ6752 is not set
# CONFIG_REGULATOR_RTQ2208 is not set
# CONFIG_REGULATOR_SLG51000 is not set
# CONFIG_REGULATOR_SY8106A is not set
# CONFIG_REGULATOR_SY8824X is not set
# CONFIG_REGULATOR_SY8827N is not set
# CONFIG_REGULATOR_TPS51632 is not set
# CONFIG_REGULATOR_TPS62360 is not set
# CONFIG_REGULATOR_TPS6286X is not set
# CONFIG_REGULATOR_TPS6287X is not set
# CONFIG_REGULATOR_TPS65023 is not set
# CONFIG_REGULATOR_TPS6507X is not set
# CONFIG_REGULATOR_TPS65132 is not set
# CONFIG_REGULATOR_TPS65185 is not set
# CONFIG_REGULATOR_TPS6524X is not set
CONFIG_REGULATOR_TWL4030=y
# CONFIG_REGULATOR_VCTRL is not set
CONFIG_RC_CORE=y
# CONFIG_LIRC is not set
# CONFIG_RC_MAP is not set
# CONFIG_RC_DECODERS is not set
CONFIG_RC_DEVICES=y
# CONFIG_IR_ENE is not set
# CONFIG_IR_FINTEK is not set
# CONFIG_IR_GPIO_CIR is not set
# CONFIG_IR_HIX5HD2 is not set
CONFIG_IR_IGORPLUGUSB=y
CONFIG_IR_IGUANA=y
CONFIG_IR_IMON=y
CONFIG_IR_IMON_RAW=y
# CONFIG_IR_ITE_CIR is not set
CONFIG_IR_MCEUSB=y
# CONFIG_IR_NUVOTON is not set
CONFIG_IR_REDRAT3=y
# CONFIG_IR_SERIAL is not set
CONFIG_IR_STREAMZAP=y
CONFIG_IR_TOY=y
CONFIG_IR_TTUSBIR=y
# CONFIG_IR_WINBOND_CIR is not set
CONFIG_RC_ATI_REMOTE=y
# CONFIG_RC_LOOPBACK is not set
CONFIG_RC_XBOX_DVD=y
CONFIG_CEC_CORE=y

#
# CEC support
#
# CONFIG_MEDIA_CEC_RC is not set
CONFIG_MEDIA_CEC_SUPPORT=y
# CONFIG_CEC_CH7322 is not set
# CONFIG_CEC_NXP_TDA9950 is not set
# CONFIG_CEC_GPIO is not set
# CONFIG_CEC_SECO is not set
# CONFIG_USB_EXTRON_DA_HD_4K_PLUS_CEC is not set
CONFIG_USB_PULSE8_CEC=y
CONFIG_USB_RAINSHADOW_CEC=y
# end of CEC support

CONFIG_MEDIA_SUPPORT=y
CONFIG_MEDIA_SUPPORT_FILTER=y
# CONFIG_MEDIA_SUBDRV_AUTOSELECT is not set

#
# Media device types
#
CONFIG_MEDIA_CAMERA_SUPPORT=y
CONFIG_MEDIA_ANALOG_TV_SUPPORT=y
CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
CONFIG_MEDIA_RADIO_SUPPORT=y
CONFIG_MEDIA_SDR_SUPPORT=y
CONFIG_MEDIA_PLATFORM_SUPPORT=y
CONFIG_MEDIA_TEST_SUPPORT=y
# end of Media device types

CONFIG_VIDEO_DEV=y
CONFIG_MEDIA_CONTROLLER=y
CONFIG_DVB_CORE=y

#
# Video4Linux options
#
CONFIG_VIDEO_V4L2_I2C=y
CONFIG_VIDEO_V4L2_SUBDEV_API=y
# CONFIG_VIDEO_ADV_DEBUG is not set
# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
CONFIG_VIDEO_TUNER=y
CONFIG_V4L2_MEM2MEM_DEV=y
# end of Video4Linux options

#
# Media controller options
#
CONFIG_MEDIA_CONTROLLER_DVB=y
# end of Media controller options

#
# Digital TV options
#
# CONFIG_DVB_MMAP is not set
# CONFIG_DVB_NET is not set
CONFIG_DVB_MAX_ADAPTERS=16
# CONFIG_DVB_DYNAMIC_MINORS is not set
# CONFIG_DVB_DEMUX_SECTION_LOSS_LOG is not set
# CONFIG_DVB_ULE_DEBUG is not set
# end of Digital TV options

#
# Media drivers
#

#
# Drivers filtered as selected at 'Filter media drivers'
#

#
# Media drivers
#
CONFIG_MEDIA_USB_SUPPORT=y

#
# Webcam devices
#
CONFIG_USB_GSPCA=y
CONFIG_USB_GSPCA_BENQ=y
CONFIG_USB_GSPCA_CONEX=y
CONFIG_USB_GSPCA_CPIA1=y
CONFIG_USB_GSPCA_DTCS033=y
CONFIG_USB_GSPCA_ETOMS=y
CONFIG_USB_GSPCA_FINEPIX=y
CONFIG_USB_GSPCA_JEILINJ=y
CONFIG_USB_GSPCA_JL2005BCD=y
CONFIG_USB_GSPCA_KINECT=y
CONFIG_USB_GSPCA_KONICA=y
CONFIG_USB_GSPCA_MARS=y
CONFIG_USB_GSPCA_MR97310A=y
CONFIG_USB_GSPCA_NW80X=y
CONFIG_USB_GSPCA_OV519=y
CONFIG_USB_GSPCA_OV534=y
CONFIG_USB_GSPCA_OV534_9=y
CONFIG_USB_GSPCA_PAC207=y
CONFIG_USB_GSPCA_PAC7302=y
CONFIG_USB_GSPCA_PAC7311=y
CONFIG_USB_GSPCA_SE401=y
CONFIG_USB_GSPCA_SN9C2028=y
CONFIG_USB_GSPCA_SN9C20X=y
CONFIG_USB_GSPCA_SONIXB=y
CONFIG_USB_GSPCA_SONIXJ=y
CONFIG_USB_GSPCA_SPCA1528=y
CONFIG_USB_GSPCA_SPCA500=y
CONFIG_USB_GSPCA_SPCA501=y
CONFIG_USB_GSPCA_SPCA505=y
CONFIG_USB_GSPCA_SPCA506=y
CONFIG_USB_GSPCA_SPCA508=y
CONFIG_USB_GSPCA_SPCA561=y
CONFIG_USB_GSPCA_SQ905=y
CONFIG_USB_GSPCA_SQ905C=y
CONFIG_USB_GSPCA_SQ930X=y
CONFIG_USB_GSPCA_STK014=y
CONFIG_USB_GSPCA_STK1135=y
CONFIG_USB_GSPCA_STV0680=y
CONFIG_USB_GSPCA_SUNPLUS=y
CONFIG_USB_GSPCA_T613=y
CONFIG_USB_GSPCA_TOPRO=y
CONFIG_USB_GSPCA_TOUPTEK=y
CONFIG_USB_GSPCA_TV8532=y
CONFIG_USB_GSPCA_VC032X=y
CONFIG_USB_GSPCA_VICAM=y
CONFIG_USB_GSPCA_XIRLINK_CIT=y
CONFIG_USB_GSPCA_ZC3XX=y
CONFIG_USB_GL860=y
CONFIG_USB_M5602=y
CONFIG_USB_STV06XX=y
CONFIG_USB_PWC=y
# CONFIG_USB_PWC_DEBUG is not set
CONFIG_USB_PWC_INPUT_EVDEV=y
CONFIG_USB_S2255=y
CONFIG_VIDEO_USBTV=y
CONFIG_USB_VIDEO_CLASS=y
CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV=y

#
# Analog TV USB devices
#
CONFIG_VIDEO_GO7007=y
CONFIG_VIDEO_GO7007_USB=y
CONFIG_VIDEO_GO7007_LOADER=y
CONFIG_VIDEO_GO7007_USB_S2250_BOARD=y
CONFIG_VIDEO_HDPVR=y
CONFIG_VIDEO_PVRUSB2=y
CONFIG_VIDEO_PVRUSB2_SYSFS=y
CONFIG_VIDEO_PVRUSB2_DVB=y
# CONFIG_VIDEO_PVRUSB2_DEBUGIFC is not set
CONFIG_VIDEO_STK1160=y

#
# Analog/digital TV USB devices
#
CONFIG_VIDEO_AU0828=y
CONFIG_VIDEO_AU0828_V4L2=y
CONFIG_VIDEO_AU0828_RC=y
CONFIG_VIDEO_CX231XX=y
CONFIG_VIDEO_CX231XX_RC=y
CONFIG_VIDEO_CX231XX_ALSA=y
CONFIG_VIDEO_CX231XX_DVB=y

#
# Digital TV USB devices
#
CONFIG_DVB_AS102=y
CONFIG_DVB_B2C2_FLEXCOP_USB=y
# CONFIG_DVB_B2C2_FLEXCOP_USB_DEBUG is not set
CONFIG_DVB_USB_V2=y
CONFIG_DVB_USB_AF9015=y
CONFIG_DVB_USB_AF9035=y
CONFIG_DVB_USB_ANYSEE=y
CONFIG_DVB_USB_AU6610=y
CONFIG_DVB_USB_AZ6007=y
CONFIG_DVB_USB_CE6230=y
CONFIG_DVB_USB_DVBSKY=y
CONFIG_DVB_USB_EC168=y
CONFIG_DVB_USB_GL861=y
CONFIG_DVB_USB_LME2510=y
CONFIG_DVB_USB_MXL111SF=y
CONFIG_DVB_USB_RTL28XXU=y
CONFIG_DVB_USB_ZD1301=y
CONFIG_DVB_USB=y
# CONFIG_DVB_USB_DEBUG is not set
CONFIG_DVB_USB_A800=y
CONFIG_DVB_USB_AF9005=y
CONFIG_DVB_USB_AF9005_REMOTE=y
CONFIG_DVB_USB_AZ6027=y
CONFIG_DVB_USB_CINERGY_T2=y
CONFIG_DVB_USB_CXUSB=y
CONFIG_DVB_USB_CXUSB_ANALOG=y
CONFIG_DVB_USB_DIB0700=y
CONFIG_DVB_USB_DIB3000MC=y
CONFIG_DVB_USB_DIBUSB_MB=y
# CONFIG_DVB_USB_DIBUSB_MB_FAULTY is not set
CONFIG_DVB_USB_DIBUSB_MC=y
CONFIG_DVB_USB_DIGITV=y
CONFIG_DVB_USB_DTT200U=y
CONFIG_DVB_USB_DTV5100=y
CONFIG_DVB_USB_DW2102=y
CONFIG_DVB_USB_GP8PSK=y
CONFIG_DVB_USB_M920X=y
CONFIG_DVB_USB_NOVA_T_USB2=y
CONFIG_DVB_USB_OPERA1=y
CONFIG_DVB_USB_PCTV452E=y
CONFIG_DVB_USB_TECHNISAT_USB2=y
CONFIG_DVB_USB_TTUSB2=y
CONFIG_DVB_USB_UMT_010=y
CONFIG_DVB_USB_VP702X=y
CONFIG_DVB_USB_VP7045=y
CONFIG_SMS_USB_DRV=y
CONFIG_DVB_TTUSB_BUDGET=y
CONFIG_DVB_TTUSB_DEC=y

#
# Webcam, TV (analog/digital) USB devices
#
CONFIG_VIDEO_EM28XX=y
CONFIG_VIDEO_EM28XX_V4L2=y
CONFIG_VIDEO_EM28XX_ALSA=y
CONFIG_VIDEO_EM28XX_DVB=y
CONFIG_VIDEO_EM28XX_RC=y

#
# Software defined radio USB devices
#
CONFIG_USB_AIRSPY=y
CONFIG_USB_HACKRF=y
CONFIG_USB_MSI2500=y
# CONFIG_MEDIA_PCI_SUPPORT is not set
CONFIG_RADIO_ADAPTERS=y
# CONFIG_RADIO_MAXIRADIO is not set
# CONFIG_RADIO_SAA7706H is not set
CONFIG_RADIO_SHARK=y
CONFIG_RADIO_SHARK2=y
CONFIG_RADIO_SI4713=y
CONFIG_RADIO_TEA575X=y
# CONFIG_RADIO_TEA5764 is not set
# CONFIG_RADIO_TEF6862 is not set
CONFIG_USB_DSBR=y
CONFIG_USB_KEENE=y
CONFIG_USB_MA901=y
CONFIG_USB_MR800=y
CONFIG_USB_RAREMONO=y
CONFIG_RADIO_SI470X=y
CONFIG_USB_SI470X=y
# CONFIG_I2C_SI470X is not set
CONFIG_USB_SI4713=y
# CONFIG_PLATFORM_SI4713 is not set
CONFIG_I2C_SI4713=y
# CONFIG_MEDIA_PLATFORM_DRIVERS is not set

#
# MMC/SDIO DVB adapters
#
CONFIG_SMS_SDIO_DRV=y
CONFIG_V4L_TEST_DRIVERS=y
CONFIG_VIDEO_VIM2M=y
CONFIG_VIDEO_VICODEC=y
CONFIG_VIDEO_VIMC=y
CONFIG_VIDEO_VIVID=y
CONFIG_VIDEO_VIVID_CEC=y
# CONFIG_VIDEO_VIVID_OSD is not set
CONFIG_VIDEO_VIVID_MAX_DEVS=64
# CONFIG_VIDEO_VISL is not set
CONFIG_DVB_TEST_DRIVERS=y
CONFIG_DVB_VIDTV=y

#
# FireWire (IEEE 1394) Adapters
#
# CONFIG_DVB_FIREDTV is not set
CONFIG_MEDIA_COMMON_OPTIONS=y

#
# common driver options
#
CONFIG_CYPRESS_FIRMWARE=y
CONFIG_TTPCI_EEPROM=y
CONFIG_UVC_COMMON=y
CONFIG_VIDEO_CX2341X=y
CONFIG_VIDEO_TVEEPROM=y
CONFIG_DVB_B2C2_FLEXCOP=y
CONFIG_SMS_SIANO_MDTV=y
CONFIG_SMS_SIANO_RC=y
CONFIG_SMS_SIANO_DEBUGFS=y
CONFIG_VIDEO_V4L2_TPG=y
CONFIG_VIDEOBUF2_CORE=y
CONFIG_VIDEOBUF2_V4L2=y
CONFIG_VIDEOBUF2_MEMOPS=y
CONFIG_VIDEOBUF2_DMA_CONTIG=y
CONFIG_VIDEOBUF2_VMALLOC=y
CONFIG_VIDEOBUF2_DMA_SG=y
# end of Media drivers

#
# Media ancillary drivers
#
CONFIG_MEDIA_ATTACH=y
# CONFIG_VIDEO_IR_I2C is not set
# CONFIG_VIDEO_CAMERA_SENSOR is not set

#
# Camera ISPs
#
# CONFIG_VIDEO_THP7312 is not set
# end of Camera ISPs

# CONFIG_VIDEO_CAMERA_LENS is not set

#
# Flash devices
#
# CONFIG_VIDEO_ADP1653 is not set
# CONFIG_VIDEO_LM3560 is not set
# CONFIG_VIDEO_LM3646 is not set
# end of Flash devices

#
# Audio decoders, processors and mixers
#
# CONFIG_VIDEO_CS3308 is not set
# CONFIG_VIDEO_CS5345 is not set
CONFIG_VIDEO_CS53L32A=y
CONFIG_VIDEO_MSP3400=y
# CONFIG_VIDEO_SONY_BTF_MPX is not set
# CONFIG_VIDEO_TDA1997X is not set
# CONFIG_VIDEO_TDA7432 is not set
# CONFIG_VIDEO_TDA9840 is not set
# CONFIG_VIDEO_TEA6415C is not set
# CONFIG_VIDEO_TEA6420 is not set
# CONFIG_VIDEO_TLV320AIC23B is not set
# CONFIG_VIDEO_TVAUDIO is not set
# CONFIG_VIDEO_UDA1342 is not set
# CONFIG_VIDEO_VP27SMPX is not set
# CONFIG_VIDEO_WM8739 is not set
CONFIG_VIDEO_WM8775=y
# end of Audio decoders, processors and mixers

#
# RDS decoders
#
# CONFIG_VIDEO_SAA6588 is not set
# end of RDS decoders

#
# Video decoders
#
# CONFIG_VIDEO_ADV7180 is not set
# CONFIG_VIDEO_ADV7183 is not set
# CONFIG_VIDEO_ADV748X is not set
# CONFIG_VIDEO_ADV7604 is not set
# CONFIG_VIDEO_ADV7842 is not set
# CONFIG_VIDEO_BT819 is not set
# CONFIG_VIDEO_BT856 is not set
# CONFIG_VIDEO_BT866 is not set
# CONFIG_VIDEO_ISL7998X is not set
# CONFIG_VIDEO_LT6911UXE is not set
# CONFIG_VIDEO_KS0127 is not set
# CONFIG_VIDEO_MAX9286 is not set
# CONFIG_VIDEO_ML86V7667 is not set
# CONFIG_VIDEO_SAA7110 is not set
CONFIG_VIDEO_SAA711X=y
# CONFIG_VIDEO_TC358743 is not set
# CONFIG_VIDEO_TC358746 is not set
# CONFIG_VIDEO_TVP514X is not set
# CONFIG_VIDEO_TVP5150 is not set
# CONFIG_VIDEO_TVP7002 is not set
# CONFIG_VIDEO_TW2804 is not set
# CONFIG_VIDEO_TW9900 is not set
# CONFIG_VIDEO_TW9903 is not set
# CONFIG_VIDEO_TW9906 is not set
# CONFIG_VIDEO_TW9910 is not set
# CONFIG_VIDEO_VPX3220 is not set

#
# Video and audio decoders
#
# CONFIG_VIDEO_SAA717X is not set
CONFIG_VIDEO_CX25840=y
# end of Video decoders

#
# Video encoders
#
# CONFIG_VIDEO_ADV7170 is not set
# CONFIG_VIDEO_ADV7175 is not set
# CONFIG_VIDEO_ADV7343 is not set
# CONFIG_VIDEO_ADV7393 is not set
# CONFIG_VIDEO_ADV7511 is not set
# CONFIG_VIDEO_AK881X is not set
# CONFIG_VIDEO_SAA7127 is not set
# CONFIG_VIDEO_SAA7185 is not set
# CONFIG_VIDEO_THS8200 is not set
# end of Video encoders

#
# Video improvement chips
#
# CONFIG_VIDEO_UPD64031A is not set
# CONFIG_VIDEO_UPD64083 is not set
# end of Video improvement chips

#
# Audio/Video compression chips
#
# CONFIG_VIDEO_SAA6752HS is not set
# end of Audio/Video compression chips

#
# SDR tuner chips
#
# CONFIG_SDR_MAX2175 is not set
# end of SDR tuner chips

#
# Miscellaneous helper chips
#
# CONFIG_VIDEO_I2C is not set
# CONFIG_VIDEO_M52790 is not set
# CONFIG_VIDEO_ST_MIPID02 is not set
# CONFIG_VIDEO_THS7303 is not set
# end of Miscellaneous helper chips

#
# Video serializers and deserializers
#
# CONFIG_VIDEO_DS90UB913 is not set
# CONFIG_VIDEO_DS90UB953 is not set
# CONFIG_VIDEO_DS90UB960 is not set
# CONFIG_VIDEO_MAX96714 is not set
# CONFIG_VIDEO_MAX96717 is not set
# end of Video serializers and deserializers

#
# Media SPI Adapters
#
# CONFIG_CXD2880_SPI_DRV is not set
# CONFIG_VIDEO_GS1662 is not set
# end of Media SPI Adapters

CONFIG_MEDIA_TUNER=y

#
# Customize TV tuners
#
# CONFIG_MEDIA_TUNER_E4000 is not set
# CONFIG_MEDIA_TUNER_FC0011 is not set
# CONFIG_MEDIA_TUNER_FC0012 is not set
# CONFIG_MEDIA_TUNER_FC0013 is not set
# CONFIG_MEDIA_TUNER_FC2580 is not set
# CONFIG_MEDIA_TUNER_IT913X is not set
# CONFIG_MEDIA_TUNER_M88RS6000T is not set
# CONFIG_MEDIA_TUNER_MAX2165 is not set
# CONFIG_MEDIA_TUNER_MC44S803 is not set
CONFIG_MEDIA_TUNER_MSI001=y
# CONFIG_MEDIA_TUNER_MT2060 is not set
# CONFIG_MEDIA_TUNER_MT2063 is not set
# CONFIG_MEDIA_TUNER_MT20XX is not set
# CONFIG_MEDIA_TUNER_MT2131 is not set
# CONFIG_MEDIA_TUNER_MT2266 is not set
# CONFIG_MEDIA_TUNER_MXL301RF is not set
# CONFIG_MEDIA_TUNER_MXL5005S is not set
# CONFIG_MEDIA_TUNER_MXL5007T is not set
# CONFIG_MEDIA_TUNER_QM1D1B0004 is not set
# CONFIG_MEDIA_TUNER_QM1D1C0042 is not set
# CONFIG_MEDIA_TUNER_QT1010 is not set
# CONFIG_MEDIA_TUNER_R820T is not set
# CONFIG_MEDIA_TUNER_SI2157 is not set
# CONFIG_MEDIA_TUNER_SIMPLE is not set
# CONFIG_MEDIA_TUNER_TDA18212 is not set
# CONFIG_MEDIA_TUNER_TDA18218 is not set
# CONFIG_MEDIA_TUNER_TDA18250 is not set
# CONFIG_MEDIA_TUNER_TDA18271 is not set
# CONFIG_MEDIA_TUNER_TDA827X is not set
# CONFIG_MEDIA_TUNER_TDA8290 is not set
# CONFIG_MEDIA_TUNER_TDA9887 is not set
# CONFIG_MEDIA_TUNER_TEA5761 is not set
# CONFIG_MEDIA_TUNER_TEA5767 is not set
# CONFIG_MEDIA_TUNER_TUA9001 is not set
# CONFIG_MEDIA_TUNER_XC2028 is not set
# CONFIG_MEDIA_TUNER_XC4000 is not set
# CONFIG_MEDIA_TUNER_XC5000 is not set
# end of Customize TV tuners

#
# Customise DVB Frontends
#

#
# Multistandard (satellite) frontends
#
# CONFIG_DVB_M88DS3103 is not set
# CONFIG_DVB_MXL5XX is not set
# CONFIG_DVB_STB0899 is not set
# CONFIG_DVB_STB6100 is not set
# CONFIG_DVB_STV090x is not set
# CONFIG_DVB_STV0910 is not set
# CONFIG_DVB_STV6110x is not set
# CONFIG_DVB_STV6111 is not set

#
# Multistandard (cable + terrestrial) frontends
#
# CONFIG_DVB_DRXK is not set
# CONFIG_DVB_MN88472 is not set
# CONFIG_DVB_MN88473 is not set
# CONFIG_DVB_SI2165 is not set
# CONFIG_DVB_TDA18271C2DD is not set

#
# DVB-S (satellite) frontends
#
# CONFIG_DVB_CX24110 is not set
# CONFIG_DVB_CX24116 is not set
# CONFIG_DVB_CX24117 is not set
# CONFIG_DVB_CX24120 is not set
# CONFIG_DVB_CX24123 is not set
# CONFIG_DVB_DS3000 is not set
# CONFIG_DVB_MB86A16 is not set
# CONFIG_DVB_MT312 is not set
# CONFIG_DVB_S5H1420 is not set
# CONFIG_DVB_SI21XX is not set
# CONFIG_DVB_STB6000 is not set
# CONFIG_DVB_STV0288 is not set
# CONFIG_DVB_STV0299 is not set
# CONFIG_DVB_STV0900 is not set
# CONFIG_DVB_STV6110 is not set
# CONFIG_DVB_TDA10071 is not set
# CONFIG_DVB_TDA10086 is not set
# CONFIG_DVB_TDA8083 is not set
# CONFIG_DVB_TDA8261 is not set
# CONFIG_DVB_TDA826X is not set
# CONFIG_DVB_TS2020 is not set
# CONFIG_DVB_TUA6100 is not set
# CONFIG_DVB_TUNER_CX24113 is not set
# CONFIG_DVB_TUNER_ITD1000 is not set
# CONFIG_DVB_VES1X93 is not set
# CONFIG_DVB_ZL10036 is not set
# CONFIG_DVB_ZL10039 is not set

#
# DVB-T (terrestrial) frontends
#
CONFIG_DVB_AF9013=y
CONFIG_DVB_AS102_FE=y
# CONFIG_DVB_CX22700 is not set
# CONFIG_DVB_CX22702 is not set
# CONFIG_DVB_CXD2820R is not set
# CONFIG_DVB_CXD2841ER is not set
CONFIG_DVB_DIB3000MB=y
CONFIG_DVB_DIB3000MC=y
# CONFIG_DVB_DIB7000M is not set
# CONFIG_DVB_DIB7000P is not set
# CONFIG_DVB_DIB9000 is not set
# CONFIG_DVB_DRXD is not set
CONFIG_DVB_EC100=y
CONFIG_DVB_GP8PSK_FE=y
# CONFIG_DVB_L64781 is not set
# CONFIG_DVB_MT352 is not set
# CONFIG_DVB_NXT6000 is not set
CONFIG_DVB_RTL2830=y
CONFIG_DVB_RTL2832=y
CONFIG_DVB_RTL2832_SDR=y
# CONFIG_DVB_S5H1432 is not set
# CONFIG_DVB_SI2168 is not set
# CONFIG_DVB_SP887X is not set
# CONFIG_DVB_STV0367 is not set
# CONFIG_DVB_TDA10048 is not set
# CONFIG_DVB_TDA1004X is not set
# CONFIG_DVB_ZD1301_DEMOD is not set
CONFIG_DVB_ZL10353=y
# CONFIG_DVB_CXD2880 is not set

#
# DVB-C (cable) frontends
#
# CONFIG_DVB_STV0297 is not set
# CONFIG_DVB_TDA10021 is not set
# CONFIG_DVB_TDA10023 is not set
# CONFIG_DVB_VES1820 is not set

#
# ATSC (North American/Korean Terrestrial/Cable DTV) frontends
#
# CONFIG_DVB_AU8522_DTV is not set
# CONFIG_DVB_AU8522_V4L is not set
# CONFIG_DVB_BCM3510 is not set
# CONFIG_DVB_LG2160 is not set
# CONFIG_DVB_LGDT3305 is not set
# CONFIG_DVB_LGDT3306A is not set
# CONFIG_DVB_LGDT330X is not set
# CONFIG_DVB_MXL692 is not set
# CONFIG_DVB_NXT200X is not set
# CONFIG_DVB_OR51132 is not set
# CONFIG_DVB_OR51211 is not set
# CONFIG_DVB_S5H1409 is not set
# CONFIG_DVB_S5H1411 is not set

#
# ISDB-T (terrestrial) frontends
#
# CONFIG_DVB_DIB8000 is not set
# CONFIG_DVB_MB86A20S is not set
# CONFIG_DVB_S921 is not set

#
# ISDB-S (satellite) & ISDB-T (terrestrial) frontends
#
# CONFIG_DVB_MN88443X is not set
# CONFIG_DVB_TC90522 is not set

#
# Digital terrestrial only tuners/PLL
#
# CONFIG_DVB_PLL is not set
# CONFIG_DVB_TUNER_DIB0070 is not set
# CONFIG_DVB_TUNER_DIB0090 is not set

#
# SEC control devices for DVB-S
#
# CONFIG_DVB_A8293 is not set
CONFIG_DVB_AF9033=y
# CONFIG_DVB_ASCOT2E is not set
# CONFIG_DVB_ATBM8830 is not set
# CONFIG_DVB_HELENE is not set
# CONFIG_DVB_HORUS3A is not set
# CONFIG_DVB_ISL6405 is not set
# CONFIG_DVB_ISL6421 is not set
# CONFIG_DVB_ISL6423 is not set
# CONFIG_DVB_IX2505V is not set
# CONFIG_DVB_LGS8GL5 is not set
# CONFIG_DVB_LGS8GXX is not set
# CONFIG_DVB_LNBH25 is not set
# CONFIG_DVB_LNBH29 is not set
# CONFIG_DVB_LNBP21 is not set
# CONFIG_DVB_LNBP22 is not set
# CONFIG_DVB_M88RS2000 is not set
# CONFIG_DVB_TDA665x is not set
# CONFIG_DVB_DRX39XYJ is not set

#
# Common Interface (EN50221) controller drivers
#
# CONFIG_DVB_CXD2099 is not set
# CONFIG_DVB_SP2 is not set
# end of Customise DVB Frontends

#
# Tools to develop new frontends
#
# CONFIG_DVB_DUMMY_FE is not set
# end of Media ancillary drivers

#
# Graphics support
#
CONFIG_APERTURE_HELPERS=y
CONFIG_SCREEN_INFO=y
CONFIG_VIDEO=y
# CONFIG_AUXDISPLAY is not set
# CONFIG_PANEL is not set
CONFIG_AGP=y
CONFIG_AGP_AMD64=y
CONFIG_AGP_INTEL=y
# CONFIG_AGP_SIS is not set
# CONFIG_AGP_VIA is not set
CONFIG_INTEL_GTT=y
# CONFIG_VGA_SWITCHEROO is not set
CONFIG_DRM=y

#
# DRM debugging options
#
# CONFIG_DRM_WERROR is not set
CONFIG_DRM_DEBUG_MM=y
# end of DRM debugging options

CONFIG_DRM_MIPI_DSI=y
CONFIG_DRM_KMS_HELPER=y
# CONFIG_DRM_PANIC is not set
# CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS is not set
# CONFIG_DRM_DEBUG_MODESET_LOCK is not set
CONFIG_DRM_CLIENT=y
CONFIG_DRM_CLIENT_LIB=y
CONFIG_DRM_CLIENT_SELECTION=y
CONFIG_DRM_CLIENT_SETUP=y

#
# Supported DRM clients
#
CONFIG_DRM_FBDEV_EMULATION=y
CONFIG_DRM_FBDEV_OVERALLOC=100
# CONFIG_DRM_FBDEV_LEAK_PHYS_SMEM is not set
# CONFIG_DRM_CLIENT_LOG is not set
CONFIG_DRM_CLIENT_DEFAULT_FBDEV=y
CONFIG_DRM_CLIENT_DEFAULT="fbdev"
# end of Supported DRM clients

# CONFIG_DRM_LOAD_EDID_FIRMWARE is not set
CONFIG_DRM_DISPLAY_DP_AUX_BUS=y
CONFIG_DRM_DISPLAY_HELPER=y
# CONFIG_DRM_DISPLAY_DP_AUX_CEC is not set
# CONFIG_DRM_DISPLAY_DP_AUX_CHARDEV is not set
CONFIG_DRM_DISPLAY_DP_HELPER=y
CONFIG_DRM_DISPLAY_DSC_HELPER=y
CONFIG_DRM_DISPLAY_HDCP_HELPER=y
CONFIG_DRM_DISPLAY_HDMI_HELPER=y
CONFIG_DRM_TTM=y
CONFIG_DRM_BUDDY=y
CONFIG_DRM_TTM_HELPER=y
CONFIG_DRM_GEM_SHMEM_HELPER=y
# CONFIG_DRM_AMDGPU is not set

#
# ARM devices
#
# CONFIG_DRM_KOMEDA is not set
# end of ARM devices

# CONFIG_DRM_AST is not set
CONFIG_DRM_BRIDGE=y
CONFIG_DRM_PANEL_BRIDGE=y
CONFIG_DRM_AUX_BRIDGE=y

#
# Display Interface Bridges
#
# CONFIG_DRM_CHIPONE_ICN6211 is not set
# CONFIG_DRM_CHRONTEL_CH7033 is not set
# CONFIG_DRM_DISPLAY_CONNECTOR is not set
# CONFIG_DRM_I2C_NXP_TDA998X is not set
# CONFIG_DRM_ITE_IT6263 is not set
# CONFIG_DRM_ITE_IT6505 is not set
# CONFIG_DRM_LONTIUM_LT8912B is not set
# CONFIG_DRM_LONTIUM_LT9211 is not set
# CONFIG_DRM_LONTIUM_LT9611 is not set
# CONFIG_DRM_LONTIUM_LT9611UXC is not set
# CONFIG_DRM_ITE_IT66121 is not set
# CONFIG_DRM_LVDS_CODEC is not set
# CONFIG_DRM_MEGACHIPS_STDPXXXX_GE_B850V3_FW is not set
# CONFIG_DRM_NWL_MIPI_DSI is not set
# CONFIG_DRM_NXP_PTN3460 is not set
# CONFIG_DRM_PARADE_PS8622 is not set
# CONFIG_DRM_PARADE_PS8640 is not set
# CONFIG_DRM_SAMSUNG_DSIM is not set
# CONFIG_DRM_SIL_SII8620 is not set
# CONFIG_DRM_SII902X is not set
# CONFIG_DRM_SII9234 is not set
# CONFIG_DRM_SIMPLE_BRIDGE is not set
# CONFIG_DRM_SOLOMON_SSD2825 is not set
# CONFIG_DRM_THINE_THC63LVD1024 is not set
# CONFIG_DRM_TOSHIBA_TC358762 is not set
# CONFIG_DRM_TOSHIBA_TC358764 is not set
# CONFIG_DRM_TOSHIBA_TC358767 is not set
# CONFIG_DRM_TOSHIBA_TC358768 is not set
# CONFIG_DRM_TOSHIBA_TC358775 is not set
# CONFIG_DRM_TI_DLPC3433 is not set
# CONFIG_DRM_TI_TDP158 is not set
# CONFIG_DRM_TI_TFP410 is not set
# CONFIG_DRM_TI_SN65DSI83 is not set
# CONFIG_DRM_TI_SN65DSI86 is not set
# CONFIG_DRM_TI_TPD12S015 is not set
# CONFIG_DRM_WAVESHARE_BRIDGE is not set
# CONFIG_DRM_ANALOGIX_ANX6345 is not set
# CONFIG_DRM_ANALOGIX_ANX78XX is not set
# CONFIG_DRM_ANALOGIX_ANX7625 is not set
# CONFIG_DRM_I2C_ADV7511 is not set
# CONFIG_DRM_CDNS_DSI is not set
# CONFIG_DRM_CDNS_MHDP8546 is not set
# end of Display Interface Bridges

# CONFIG_DRM_ETNAVIV is not set
# CONFIG_DRM_GMA500 is not set
CONFIG_DRM_GUD=y
# CONFIG_DRM_HISI_HIBMC is not set
CONFIG_DRM_I915=y
CONFIG_DRM_I915_FORCE_PROBE=""
CONFIG_DRM_I915_CAPTURE_ERROR=y
CONFIG_DRM_I915_COMPRESS_ERROR=y
CONFIG_DRM_I915_USERPTR=y
# CONFIG_DRM_I915_GVT_KVMGT is not set
# CONFIG_DRM_I915_DP_TUNNEL is not set

#
# drm/i915 Debugging
#
# CONFIG_DRM_I915_WERROR is not set
# CONFIG_DRM_I915_REPLAY_GPU_HANGS_API is not set
# CONFIG_DRM_I915_DEBUG is not set
# CONFIG_DRM_I915_DEBUG_MMIO is not set
# CONFIG_DRM_I915_SW_FENCE_DEBUG_OBJECTS is not set
# CONFIG_DRM_I915_SW_FENCE_CHECK_DAG is not set
# CONFIG_DRM_I915_DEBUG_GUC is not set
# CONFIG_DRM_I915_SELFTEST is not set
# CONFIG_DRM_I915_LOW_LEVEL_TRACEPOINTS is not set
# CONFIG_DRM_I915_DEBUG_VBLANK_EVADE is not set
# CONFIG_DRM_I915_DEBUG_RUNTIME_PM is not set
# CONFIG_DRM_I915_DEBUG_WAKEREF is not set
# end of drm/i915 Debugging

#
# drm/i915 Profile Guided Optimisation
#
CONFIG_DRM_I915_REQUEST_TIMEOUT=20000
CONFIG_DRM_I915_FENCE_TIMEOUT=10000
CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND=250
CONFIG_DRM_I915_HEARTBEAT_INTERVAL=2500
CONFIG_DRM_I915_PREEMPT_TIMEOUT=640
CONFIG_DRM_I915_PREEMPT_TIMEOUT_COMPUTE=7500
CONFIG_DRM_I915_MAX_REQUEST_BUSYWAIT=8000
CONFIG_DRM_I915_STOP_TIMEOUT=100
CONFIG_DRM_I915_TIMESLICE_DURATION=1
# end of drm/i915 Profile Guided Optimisation

# CONFIG_DRM_LOGICVC is not set
# CONFIG_DRM_MGAG200 is not set
# CONFIG_DRM_NOUVEAU is not set
CONFIG_DRM_PANEL=y

#
# Display Panels
#
# CONFIG_DRM_PANEL_ABT_Y030XX067A is not set
# CONFIG_DRM_PANEL_ARM_VERSATILE is not set
# CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596 is not set
# CONFIG_DRM_PANEL_AUO_A030JTN01 is not set
# CONFIG_DRM_PANEL_BOE_BF060Y8M_AJ0 is not set
# CONFIG_DRM_PANEL_BOE_HIMAX8279D is not set
# CONFIG_DRM_PANEL_BOE_TD4320 is not set
# CONFIG_DRM_PANEL_BOE_TH101MB31UIG002_28A is not set
# CONFIG_DRM_PANEL_BOE_TV101WUM_NL6 is not set
# CONFIG_DRM_PANEL_BOE_TV101WUM_LL2 is not set
# CONFIG_DRM_PANEL_EBBG_FT8719 is not set
# CONFIG_DRM_PANEL_ELIDA_KD35T133 is not set
# CONFIG_DRM_PANEL_FEIXIN_K101_IM2BA02 is not set
# CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D is not set
# CONFIG_DRM_PANEL_DSI_CM is not set
# CONFIG_DRM_PANEL_LVDS is not set
# CONFIG_DRM_PANEL_HIMAX_HX8279 is not set
# CONFIG_DRM_PANEL_HIMAX_HX83102 is not set
# CONFIG_DRM_PANEL_HIMAX_HX83112A is not set
# CONFIG_DRM_PANEL_HIMAX_HX83112B is not set
# CONFIG_DRM_PANEL_HIMAX_HX8394 is not set
# CONFIG_DRM_PANEL_HYDIS_HV101HD1 is not set
# CONFIG_DRM_PANEL_ILITEK_IL9322 is not set
# CONFIG_DRM_PANEL_ILITEK_ILI9341 is not set
# CONFIG_DRM_PANEL_ILITEK_ILI9805 is not set
# CONFIG_DRM_PANEL_ILITEK_ILI9806E is not set
# CONFIG_DRM_PANEL_ILITEK_ILI9881C is not set
# CONFIG_DRM_PANEL_ILITEK_ILI9882T is not set
# CONFIG_DRM_PANEL_INNOLUX_EJ030NA is not set
# CONFIG_DRM_PANEL_INNOLUX_P079ZCA is not set
# CONFIG_DRM_PANEL_JADARD_JD9365DA_H3 is not set
# CONFIG_DRM_PANEL_JDI_LPM102A188A is not set
# CONFIG_DRM_PANEL_JDI_LT070ME05000 is not set
# CONFIG_DRM_PANEL_JDI_R63452 is not set
# CONFIG_DRM_PANEL_KHADAS_TS050 is not set
# CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04 is not set
# CONFIG_DRM_PANEL_LEADTEK_LTK050H3146W is not set
# CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829 is not set
# CONFIG_DRM_PANEL_LINCOLNTECH_LCD197 is not set
# CONFIG_DRM_PANEL_LG_LB035Q02 is not set
# CONFIG_DRM_PANEL_LG_LD070WX3 is not set
# CONFIG_DRM_PANEL_LG_LG4573 is not set
# CONFIG_DRM_PANEL_LG_SW43408 is not set
# CONFIG_DRM_PANEL_MAGNACHIP_D53E6EA8966 is not set
# CONFIG_DRM_PANEL_MANTIX_MLAF057WE51 is not set
# CONFIG_DRM_PANEL_NEC_NL8048HL11 is not set
# CONFIG_DRM_PANEL_NEWVISION_NV3051D is not set
# CONFIG_DRM_PANEL_NEWVISION_NV3052C is not set
# CONFIG_DRM_PANEL_NOVATEK_NT35510 is not set
# CONFIG_DRM_PANEL_NOVATEK_NT35560 is not set
# CONFIG_DRM_PANEL_NOVATEK_NT35950 is not set
# CONFIG_DRM_PANEL_NOVATEK_NT36523 is not set
# CONFIG_DRM_PANEL_NOVATEK_NT36672A is not set
# CONFIG_DRM_PANEL_NOVATEK_NT36672E is not set
# CONFIG_DRM_PANEL_NOVATEK_NT37801 is not set
# CONFIG_DRM_PANEL_NOVATEK_NT39016 is not set
# CONFIG_DRM_PANEL_OLIMEX_LCD_OLINUXINO is not set
# CONFIG_DRM_PANEL_ORISETECH_OTA5601A is not set
# CONFIG_DRM_PANEL_ORISETECH_OTM8009A is not set
# CONFIG_DRM_PANEL_OSD_OSD101T2587_53TS is not set
# CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00 is not set
# CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN is not set
# CONFIG_DRM_PANEL_RAYDIUM_RM67191 is not set
# CONFIG_DRM_PANEL_RAYDIUM_RM67200 is not set
# CONFIG_DRM_PANEL_RAYDIUM_RM68200 is not set
# CONFIG_DRM_PANEL_RAYDIUM_RM692E5 is not set
# CONFIG_DRM_PANEL_RAYDIUM_RM69380 is not set
# CONFIG_DRM_PANEL_RENESAS_R61307 is not set
# CONFIG_DRM_PANEL_RENESAS_R69328 is not set
# CONFIG_DRM_PANEL_RONBO_RB070D30 is not set
# CONFIG_DRM_PANEL_SAMSUNG_AMS581VF01 is not set
# CONFIG_DRM_PANEL_SAMSUNG_AMS639RQ08 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E88A0_AMS427AP24 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E88A0_AMS452EF01 is not set
# CONFIG_DRM_PANEL_SAMSUNG_ATNA33XC20 is not set
# CONFIG_DRM_PANEL_SAMSUNG_DB7430 is not set
# CONFIG_DRM_PANEL_SAMSUNG_LD9040 is not set
# CONFIG_DRM_PANEL_SAMSUNG_LTL106HL02 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E3FA7 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6D16D0 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6D27A1 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6D7AA0 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E3FC2X01 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E3HA2 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E3HA8 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E63J0X03 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E63M0 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E8AA0 is not set
# CONFIG_DRM_PANEL_SAMSUNG_S6E8AA5X01_AMS561RA01 is not set
# CONFIG_DRM_PANEL_SAMSUNG_SOFEF00 is not set
# CONFIG_DRM_PANEL_SEIKO_43WVF1G is not set
# CONFIG_DRM_PANEL_SHARP_LQ079L1SX01 is not set
# CONFIG_DRM_PANEL_SHARP_LQ101R1SX01 is not set
# CONFIG_DRM_PANEL_SHARP_LS037V7DW01 is not set
# CONFIG_DRM_PANEL_SHARP_LS043T1LE01 is not set
# CONFIG_DRM_PANEL_SHARP_LS060T1SX01 is not set
# CONFIG_DRM_PANEL_SITRONIX_ST7701 is not set
# CONFIG_DRM_PANEL_SITRONIX_ST7703 is not set
# CONFIG_DRM_PANEL_SITRONIX_ST7789V is not set
# CONFIG_DRM_PANEL_SONY_ACX565AKM is not set
# CONFIG_DRM_PANEL_SONY_TD4353_JDI is not set
# CONFIG_DRM_PANEL_SONY_TULIP_TRULY_NT35521 is not set
# CONFIG_DRM_PANEL_STARTEK_KD070FHFID015 is not set
CONFIG_DRM_PANEL_EDP=y
# CONFIG_DRM_PANEL_SIMPLE is not set
# CONFIG_DRM_PANEL_SUMMIT is not set
# CONFIG_DRM_PANEL_SYNAPTICS_R63353 is not set
# CONFIG_DRM_PANEL_SYNAPTICS_TDDI is not set
# CONFIG_DRM_PANEL_TDO_TL070WSH30 is not set
# CONFIG_DRM_PANEL_TPO_TD028TTEC1 is not set
# CONFIG_DRM_PANEL_TPO_TD043MTEA1 is not set
# CONFIG_DRM_PANEL_TPO_TPG110 is not set
# CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA is not set
# CONFIG_DRM_PANEL_VISIONOX_G2647FB105 is not set
# CONFIG_DRM_PANEL_VISIONOX_R66451 is not set
# CONFIG_DRM_PANEL_VISIONOX_RM69299 is not set
# CONFIG_DRM_PANEL_VISIONOX_RM692E5 is not set
# CONFIG_DRM_PANEL_VISIONOX_VTDR6130 is not set
# CONFIG_DRM_PANEL_WIDECHIPS_WS2401 is not set
# CONFIG_DRM_PANEL_XINPENG_XPP055C272 is not set
# end of Display Panels

# CONFIG_DRM_QXL is not set
# CONFIG_DRM_RADEON is not set
# CONFIG_DRM_ST7571 is not set
# CONFIG_DRM_ST7586 is not set
# CONFIG_DRM_ST7735R is not set
# CONFIG_DRM_ST7920 is not set
# CONFIG_DRM_SSD130X is not set

#
# Drivers for system framebuffers
#
CONFIG_DRM_SYSFB_HELPER=y
CONFIG_DRM_SIMPLEDRM=y
# CONFIG_DRM_VESADRM is not set
# end of Drivers for system framebuffers

# CONFIG_DRM_APPLETBDRM is not set
# CONFIG_DRM_ARCPGU is not set
CONFIG_DRM_BOCHS=y
CONFIG_DRM_CIRRUS_QEMU=y
CONFIG_DRM_GM12U320=y
# CONFIG_DRM_PANEL_MIPI_DBI is not set
# CONFIG_DRM_PIXPAPER is not set
# CONFIG_TINYDRM_HX8357D is not set
# CONFIG_TINYDRM_ILI9163 is not set
# CONFIG_TINYDRM_ILI9225 is not set
# CONFIG_TINYDRM_ILI9341 is not set
# CONFIG_TINYDRM_ILI9486 is not set
# CONFIG_TINYDRM_MI0283QT is not set
# CONFIG_TINYDRM_REPAPER is not set
# CONFIG_TINYDRM_SHARP_MEMORY is not set
CONFIG_DRM_UDL=y
# CONFIG_DRM_VBOXVIDEO is not set
CONFIG_DRM_VGEM=y
CONFIG_DRM_VIRTIO_GPU=y
CONFIG_DRM_VIRTIO_GPU_KMS=y
CONFIG_DRM_VKMS=y
CONFIG_DRM_VMWGFX=y
# CONFIG_DRM_VMWGFX_MKSSTATS is not set
# CONFIG_DRM_XE is not set
CONFIG_DRM_PANEL_ORIENTATION_QUIRKS=y

#
# Frame buffer Devices
#
CONFIG_FB=y
# CONFIG_FB_CIRRUS is not set
# CONFIG_FB_PM2 is not set
# CONFIG_FB_CYBER2000 is not set
# CONFIG_FB_ARC is not set
# CONFIG_FB_ASILIANT is not set
# CONFIG_FB_IMSTT is not set
CONFIG_FB_VGA16=y
# CONFIG_FB_UVESA is not set
CONFIG_FB_VESA=y
# CONFIG_FB_N411 is not set
# CONFIG_FB_HGA is not set
# CONFIG_FB_OPENCORES is not set
# CONFIG_FB_S1D13XXX is not set
# CONFIG_FB_NVIDIA is not set
# CONFIG_FB_RIVA is not set
# CONFIG_FB_I740 is not set
# CONFIG_FB_MATROX is not set
# CONFIG_FB_RADEON is not set
# CONFIG_FB_ATY128 is not set
# CONFIG_FB_ATY is not set
# CONFIG_FB_S3 is not set
# CONFIG_FB_SAVAGE is not set
# CONFIG_FB_SIS is not set
# CONFIG_FB_VIA is not set
# CONFIG_FB_NEOMAGIC is not set
# CONFIG_FB_KYRO is not set
# CONFIG_FB_3DFX is not set
# CONFIG_FB_VOODOO1 is not set
# CONFIG_FB_VT8623 is not set
# CONFIG_FB_TRIDENT is not set
# CONFIG_FB_ARK is not set
# CONFIG_FB_PM3 is not set
# CONFIG_FB_CARMINE is not set
# CONFIG_FB_SMSCUFX is not set
# CONFIG_FB_UDL is not set
# CONFIG_FB_IBM_GXT4500 is not set
CONFIG_FB_VIRTUAL=y
# CONFIG_FB_METRONOME is not set
# CONFIG_FB_MB862XX is not set
# CONFIG_FB_SSD1307 is not set
# CONFIG_FB_SM712 is not set
CONFIG_FB_CORE=y
CONFIG_FB_NOTIFY=y
CONFIG_FB_DEVICE=y
CONFIG_FB_CFB_FILLRECT=y
CONFIG_FB_CFB_COPYAREA=y
CONFIG_FB_CFB_IMAGEBLIT=y
CONFIG_FB_SYS_FILLRECT=y
CONFIG_FB_SYS_COPYAREA=y
CONFIG_FB_SYS_IMAGEBLIT=y
# CONFIG_FB_FOREIGN_ENDIAN is not set
CONFIG_FB_SYSMEM_FOPS=y
CONFIG_FB_DEFERRED_IO=y
CONFIG_FB_IOMEM_FOPS=y
CONFIG_FB_IOMEM_HELPERS=y
CONFIG_FB_SYSMEM_HELPERS=y
CONFIG_FB_SYSMEM_HELPERS_DEFERRED=y
CONFIG_FB_TILEBLITTING=y
# end of Frame buffer Devices

#
# Backlight & LCD device support
#
CONFIG_LCD_CLASS_DEVICE=y
# CONFIG_LCD_L4F00242T03 is not set
# CONFIG_LCD_LMS283GF05 is not set
# CONFIG_LCD_LTV350QV is not set
# CONFIG_LCD_ILI922X is not set
# CONFIG_LCD_ILI9320 is not set
# CONFIG_LCD_TDO24M is not set
# CONFIG_LCD_VGG2432A4 is not set
# CONFIG_LCD_PLATFORM is not set
# CONFIG_LCD_AMS369FG06 is not set
# CONFIG_LCD_LMS501KF03 is not set
# CONFIG_LCD_HX8357 is not set
# CONFIG_LCD_OTM3225A is not set
CONFIG_BACKLIGHT_CLASS_DEVICE=y
# CONFIG_BACKLIGHT_AW99706 is not set
# CONFIG_BACKLIGHT_KTD253 is not set
# CONFIG_BACKLIGHT_KTD2801 is not set
# CONFIG_BACKLIGHT_KTZ8866 is not set
# CONFIG_BACKLIGHT_MT6370 is not set
# CONFIG_BACKLIGHT_APPLE is not set
# CONFIG_BACKLIGHT_QCOM_WLED is not set
# CONFIG_BACKLIGHT_SAHARA is not set
# CONFIG_BACKLIGHT_ADP8860 is not set
# CONFIG_BACKLIGHT_ADP8870 is not set
# CONFIG_BACKLIGHT_LM3509 is not set
# CONFIG_BACKLIGHT_LM3639 is not set
# CONFIG_BACKLIGHT_PANDORA is not set
# CONFIG_BACKLIGHT_GPIO is not set
# CONFIG_BACKLIGHT_LV5207LP is not set
# CONFIG_BACKLIGHT_BD6107 is not set
# CONFIG_BACKLIGHT_ARCXCNN is not set
# CONFIG_BACKLIGHT_LED is not set
# end of Backlight & LCD device support

CONFIG_VGASTATE=y
CONFIG_VIDEOMODE_HELPERS=y
CONFIG_HDMI=y
# CONFIG_FIRMWARE_EDID is not set

#
# Console display driver support
#
CONFIG_VGA_CONSOLE=y
CONFIG_DUMMY_CONSOLE=y
CONFIG_DUMMY_CONSOLE_COLUMNS=80
CONFIG_DUMMY_CONSOLE_ROWS=25
CONFIG_FRAMEBUFFER_CONSOLE=y
# CONFIG_FRAMEBUFFER_CONSOLE_LEGACY_ACCELERATION is not set
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
# CONFIG_FRAMEBUFFER_CONSOLE_DEFERRED_TAKEOVER is not set
# end of Console display driver support

CONFIG_LOGO=y
CONFIG_LOGO_LINUX_MONO=y
CONFIG_LOGO_LINUX_MONO_FILE="drivers/video/logo/logo_linux_mono.pbm"
CONFIG_LOGO_LINUX_VGA16=y
CONFIG_LOGO_LINUX_VGA16_FILE="drivers/video/logo/logo_linux_vga16.ppm"
# CONFIG_LOGO_LINUX_CLUT224 is not set
# CONFIG_TRACE_GPU_MEM is not set
# end of Graphics support

# CONFIG_DRM_ACCEL is not set
CONFIG_SOUND=y
CONFIG_SOUND_OSS_CORE=y
CONFIG_SOUND_OSS_CORE_PRECLAIM=y
CONFIG_SND=y
CONFIG_SND_TIMER=y
CONFIG_SND_PCM=y
CONFIG_SND_HWDEP=y
CONFIG_SND_SEQ_DEVICE=y
CONFIG_SND_RAWMIDI=y
CONFIG_SND_UMP=y
CONFIG_SND_UMP_LEGACY_RAWMIDI=y
CONFIG_SND_JACK=y
CONFIG_SND_JACK_INPUT_DEV=y
CONFIG_SND_OSSEMUL=y
CONFIG_SND_MIXER_OSS=y
CONFIG_SND_PCM_OSS=y
CONFIG_SND_PCM_OSS_PLUGINS=y
CONFIG_SND_PCM_TIMER=y
CONFIG_SND_HRTIMER=y
# CONFIG_SND_DYNAMIC_MINORS is not set
# CONFIG_SND_SUPPORT_OLD_API is not set
CONFIG_SND_PROC_FS=y
CONFIG_SND_VERBOSE_PROCFS=y
CONFIG_SND_CTL_FAST_LOOKUP=y
CONFIG_SND_DEBUG=y
# CONFIG_SND_DEBUG_VERBOSE is not set
CONFIG_SND_PCM_XRUN_DEBUG=y
# CONFIG_SND_CTL_INPUT_VALIDATION is not set
# CONFIG_SND_CTL_DEBUG is not set
# CONFIG_SND_JACK_INJECTION_DEBUG is not set
# CONFIG_SND_UTIMER is not set
CONFIG_SND_VMASTER=y
CONFIG_SND_DMA_SGBUF=y
CONFIG_SND_CTL_LED=y
CONFIG_SND_SEQUENCER=y
CONFIG_SND_SEQ_DUMMY=y
CONFIG_SND_SEQUENCER_OSS=y
CONFIG_SND_SEQ_HRTIMER_DEFAULT=y
CONFIG_SND_SEQ_MIDI_EVENT=y
CONFIG_SND_SEQ_MIDI=y
CONFIG_SND_SEQ_VIRMIDI=y
# CONFIG_SND_SEQ_UMP is not set
CONFIG_SND_DRIVERS=y
# CONFIG_SND_PCSP is not set
CONFIG_SND_DUMMY=y
CONFIG_SND_ALOOP=y
# CONFIG_SND_PCMTEST is not set
CONFIG_SND_VIRMIDI=y
# CONFIG_SND_MTPAV is not set
# CONFIG_SND_MTS64 is not set
# CONFIG_SND_SERIAL_U16550 is not set
# CONFIG_SND_SERIAL_GENERIC is not set
# CONFIG_SND_MPU401 is not set
# CONFIG_SND_PORTMAN2X4 is not set
CONFIG_SND_PCI=y
# CONFIG_SND_AD1889 is not set
# CONFIG_SND_ALS300 is not set
# CONFIG_SND_ALS4000 is not set
# CONFIG_SND_ALI5451 is not set
# CONFIG_SND_ASIHPI is not set
# CONFIG_SND_ATIIXP is not set
# CONFIG_SND_ATIIXP_MODEM is not set
# CONFIG_SND_AU8810 is not set
# CONFIG_SND_AU8820 is not set
# CONFIG_SND_AU8830 is not set
# CONFIG_SND_AW2 is not set
# CONFIG_SND_AZT3328 is not set
# CONFIG_SND_BT87X is not set
# CONFIG_SND_CA0106 is not set
# CONFIG_SND_CMIPCI is not set
# CONFIG_SND_OXYGEN is not set
# CONFIG_SND_CS4281 is not set
# CONFIG_SND_CS46XX is not set
# CONFIG_SND_CTXFI is not set
# CONFIG_SND_DARLA20 is not set
# CONFIG_SND_GINA20 is not set
# CONFIG_SND_LAYLA20 is not set
# CONFIG_SND_DARLA24 is not set
# CONFIG_SND_GINA24 is not set
# CONFIG_SND_LAYLA24 is not set
# CONFIG_SND_MONA is not set
# CONFIG_SND_MIA is not set
# CONFIG_SND_ECHO3G is not set
# CONFIG_SND_INDIGO is not set
# CONFIG_SND_INDIGOIO is not set
# CONFIG_SND_INDIGODJ is not set
# CONFIG_SND_INDIGOIOX is not set
# CONFIG_SND_INDIGODJX is not set
# CONFIG_SND_EMU10K1 is not set
# CONFIG_SND_EMU10K1X is not set
# CONFIG_SND_ENS1370 is not set
# CONFIG_SND_ENS1371 is not set
# CONFIG_SND_ES1938 is not set
# CONFIG_SND_ES1968 is not set
# CONFIG_SND_FM801 is not set
# CONFIG_SND_HDSP is not set
# CONFIG_SND_HDSPM is not set
# CONFIG_SND_ICE1712 is not set
# CONFIG_SND_ICE1724 is not set
# CONFIG_SND_INTEL8X0 is not set
# CONFIG_SND_INTEL8X0M is not set
# CONFIG_SND_KORG1212 is not set
# CONFIG_SND_LOLA is not set
# CONFIG_SND_LX6464ES is not set
# CONFIG_SND_MAESTRO3 is not set
# CONFIG_SND_MIXART is not set
# CONFIG_SND_NM256 is not set
# CONFIG_SND_PCXHR is not set
# CONFIG_SND_RIPTIDE is not set
# CONFIG_SND_RME32 is not set
# CONFIG_SND_RME96 is not set
# CONFIG_SND_RME9652 is not set
# CONFIG_SND_SE6X is not set
# CONFIG_SND_SONICVIBES is not set
# CONFIG_SND_TRIDENT is not set
# CONFIG_SND_VIA82XX is not set
# CONFIG_SND_VIA82XX_MODEM is not set
# CONFIG_SND_VIRTUOSO is not set
# CONFIG_SND_VX222 is not set
# CONFIG_SND_YMFPCI is not set

#
# HD-Audio
#
CONFIG_SND_HDA=y
CONFIG_SND_HDA_HWDEP=y
CONFIG_SND_HDA_RECONFIG=y
CONFIG_SND_HDA_INPUT_BEEP=y
CONFIG_SND_HDA_INPUT_BEEP_MODE=1
CONFIG_SND_HDA_PATCH_LOADER=y
CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0
# CONFIG_SND_HDA_CTL_DEV_ID is not set
CONFIG_SND_HDA_PREALLOC_SIZE=0
CONFIG_SND_HDA_INTEL=y
# CONFIG_SND_HDA_ACPI is not set
CONFIG_SND_HDA_GENERIC_LEDS=y
CONFIG_SND_HDA_CODEC_ANALOG=y
CONFIG_SND_HDA_CODEC_SIGMATEL=y
CONFIG_SND_HDA_CODEC_VIA=y
CONFIG_SND_HDA_CODEC_CONEXANT=y
# CONFIG_SND_HDA_CODEC_SENARYTECH is not set
CONFIG_SND_HDA_CODEC_CA0110=y
CONFIG_SND_HDA_CODEC_CA0132=y
# CONFIG_SND_HDA_CODEC_CA0132_DSP is not set
CONFIG_SND_HDA_CODEC_CMEDIA=y
# CONFIG_SND_HDA_CODEC_CM9825 is not set
CONFIG_SND_HDA_CODEC_SI3054=y
CONFIG_SND_HDA_GENERIC=y
CONFIG_SND_HDA_CODEC_REALTEK=y
# CONFIG_SND_HDA_CODEC_ALC260 is not set
# CONFIG_SND_HDA_CODEC_ALC262 is not set
# CONFIG_SND_HDA_CODEC_ALC268 is not set
# CONFIG_SND_HDA_CODEC_ALC269 is not set
# CONFIG_SND_HDA_CODEC_ALC662 is not set
# CONFIG_SND_HDA_CODEC_ALC680 is not set
# CONFIG_SND_HDA_CODEC_ALC861 is not set
# CONFIG_SND_HDA_CODEC_ALC861VD is not set
# CONFIG_SND_HDA_CODEC_ALC880 is not set
# CONFIG_SND_HDA_CODEC_ALC882 is not set
CONFIG_SND_HDA_CODEC_CIRRUS=y
# CONFIG_SND_HDA_CODEC_CS420X is not set
# CONFIG_SND_HDA_CODEC_CS421X is not set
# CONFIG_SND_HDA_CODEC_CS8409 is not set
CONFIG_SND_HDA_CODEC_HDMI=y
# CONFIG_SND_HDA_CODEC_HDMI_GENERIC is not set
# CONFIG_SND_HDA_CODEC_HDMI_SIMPLE is not set
# CONFIG_SND_HDA_CODEC_HDMI_INTEL is not set
# CONFIG_SND_HDA_CODEC_HDMI_ATI is not set
# CONFIG_SND_HDA_CODEC_HDMI_NVIDIA is not set
# CONFIG_SND_HDA_CODEC_HDMI_NVIDIA_MCP is not set
# CONFIG_SND_HDA_CODEC_HDMI_TEGRA is not set
# CONFIG_SND_HDA_SCODEC_CS35L56_I2C is not set
# CONFIG_SND_HDA_SCODEC_CS35L56_SPI is not set
CONFIG_SND_HDA_CORE=y
CONFIG_SND_HDA_COMPONENT=y
CONFIG_SND_HDA_I915=y
CONFIG_SND_INTEL_NHLT=y
CONFIG_SND_INTEL_DSP_CONFIG=y
CONFIG_SND_INTEL_SOUNDWIRE_ACPI=y
# end of HD-Audio

# CONFIG_SND_SPI is not set
CONFIG_SND_USB=y
CONFIG_SND_USB_AUDIO=y
CONFIG_SND_USB_AUDIO_MIDI_V2=y
CONFIG_SND_USB_AUDIO_USE_MEDIA_CONTROLLER=y
CONFIG_SND_USB_UA101=y
CONFIG_SND_USB_USX2Y=y
CONFIG_SND_USB_CAIAQ=y
CONFIG_SND_USB_CAIAQ_INPUT=y
CONFIG_SND_USB_US122L=y
# CONFIG_SND_USB_US144MKII is not set
CONFIG_SND_USB_6FIRE=y
CONFIG_SND_USB_HIFACE=y
CONFIG_SND_BCD2000=y
CONFIG_SND_USB_LINE6=y
CONFIG_SND_USB_POD=y
CONFIG_SND_USB_PODHD=y
CONFIG_SND_USB_TONEPORT=y
CONFIG_SND_USB_VARIAX=y
# CONFIG_SND_FIREWIRE is not set
CONFIG_SND_PCMCIA=y
# CONFIG_SND_VXPOCKET is not set
# CONFIG_SND_PDAUDIOCF is not set
CONFIG_SND_SOC=y
# CONFIG_SND_SOC_USB is not set

#
# Analog Devices
#
# CONFIG_SND_SOC_ADI_AXI_I2S is not set
# CONFIG_SND_SOC_ADI_AXI_SPDIF is not set
# end of Analog Devices

#
# AMD
#
# CONFIG_SND_SOC_AMD_ACP is not set
# CONFIG_SND_SOC_AMD_ACP3x is not set
# CONFIG_SND_SOC_AMD_RENOIR is not set
# CONFIG_SND_SOC_AMD_ACP5x is not set
# CONFIG_SND_SOC_AMD_ACP6x is not set
# CONFIG_SND_AMD_ACP_CONFIG is not set
# CONFIG_SND_SOC_AMD_ACP_COMMON is not set
# CONFIG_SND_SOC_AMD_RPL_ACP6x is not set
# end of AMD

#
# Apple
#
# end of Apple

#
# Atmel
#
# CONFIG_SND_SOC_MIKROE_PROTO is not set
# end of Atmel

#
# Au1x
#
# end of Au1x

#
# Broadcom
#
# CONFIG_SND_BCM63XX_I2S_WHISTLER is not set
# end of Broadcom

#
# Cirrus Logic
#
# end of Cirrus Logic

#
# DesignWare
#
# CONFIG_SND_DESIGNWARE_I2S is not set
# end of DesignWare

#
# Freescale
#

#
# Common SoC Audio options for Freescale CPUs:
#
# CONFIG_SND_SOC_FSL_ASRC is not set
# CONFIG_SND_SOC_FSL_SAI is not set
# CONFIG_SND_SOC_FSL_AUDMIX is not set
# CONFIG_SND_SOC_FSL_SSI is not set
# CONFIG_SND_SOC_FSL_SPDIF is not set
# CONFIG_SND_SOC_FSL_ESAI is not set
# CONFIG_SND_SOC_FSL_MICFIL is not set
# CONFIG_SND_SOC_FSL_XCVR is not set
# CONFIG_SND_SOC_IMX_AUDMUX is not set
# end of Freescale

#
# Google
#
# CONFIG_SND_SOC_CHV3_I2S is not set
# end of Google

#
# Hisilicon
#
# CONFIG_SND_I2S_HI6210_I2S is not set
# end of Hisilicon

#
# JZ4740
#
# end of JZ4740

#
# Kirkwood
#
# end of Kirkwood

#
# Loongson
#
# end of Loongson

#
# Intel
#
# CONFIG_SND_SOC_INTEL_SST_TOPLEVEL is not set
# CONFIG_SND_SOC_INTEL_AVS is not set
# end of Intel

#
# Mediatek
#
# CONFIG_SND_SOC_MTK_BTCVSD is not set
# end of Mediatek

#
# PXA
#
# end of PXA

#
# SoundWire (SDCA)
#
CONFIG_SND_SOC_SDCA_OPTIONAL=y
# end of SoundWire (SDCA)

#
# ST SPEAr
#
# end of ST SPEAr

#
# Spreadtrum
#
# end of Spreadtrum

#
# STMicroelectronics STM32
#
# end of STMicroelectronics STM32

#
# Tegra
#
# end of Tegra

#
# Xilinx
#
# CONFIG_SND_SOC_XILINX_I2S is not set
# CONFIG_SND_SOC_XILINX_AUDIO_FORMATTER is not set
# CONFIG_SND_SOC_XILINX_SPDIF is not set
# end of Xilinx

#
# Xtensa
#
# CONFIG_SND_SOC_XTFPGA_I2S is not set
# end of Xtensa

# CONFIG_SND_SOC_SOF_TOPLEVEL is not set
CONFIG_SND_SOC_I2C_AND_SPI=y

#
# CODEC drivers
#
# CONFIG_SND_SOC_AC97_CODEC is not set
# CONFIG_SND_SOC_ADAU1372_I2C is not set
# CONFIG_SND_SOC_ADAU1372_SPI is not set
# CONFIG_SND_SOC_ADAU1373 is not set
# CONFIG_SND_SOC_ADAU1701 is not set
# CONFIG_SND_SOC_ADAU1761_I2C is not set
# CONFIG_SND_SOC_ADAU1761_SPI is not set
# CONFIG_SND_SOC_ADAU7002 is not set
# CONFIG_SND_SOC_ADAU7118_HW is not set
# CONFIG_SND_SOC_ADAU7118_I2C is not set
# CONFIG_SND_SOC_AK4104 is not set
# CONFIG_SND_SOC_AK4118 is not set
# CONFIG_SND_SOC_AK4375 is not set
# CONFIG_SND_SOC_AK4458 is not set
# CONFIG_SND_SOC_AK4554 is not set
# CONFIG_SND_SOC_AK4613 is not set
# CONFIG_SND_SOC_AK4619 is not set
# CONFIG_SND_SOC_AK4642 is not set
# CONFIG_SND_SOC_AK5386 is not set
# CONFIG_SND_SOC_AK5558 is not set
# CONFIG_SND_SOC_ALC5623 is not set
# CONFIG_SND_SOC_AUDIO_IIO_AUX is not set
# CONFIG_SND_SOC_AW8738 is not set
# CONFIG_SND_SOC_AW88395 is not set
# CONFIG_SND_SOC_AW88166 is not set
# CONFIG_SND_SOC_AW88261 is not set
# CONFIG_SND_SOC_AW88081 is not set
# CONFIG_SND_SOC_AW87390 is not set
# CONFIG_SND_SOC_AW88399 is not set
# CONFIG_SND_SOC_BD28623 is not set
# CONFIG_SND_SOC_BT_SCO is not set
# CONFIG_SND_SOC_CHV3_CODEC is not set
# CONFIG_SND_SOC_CS35L32 is not set
# CONFIG_SND_SOC_CS35L33 is not set
# CONFIG_SND_SOC_CS35L34 is not set
# CONFIG_SND_SOC_CS35L35 is not set
# CONFIG_SND_SOC_CS35L36 is not set
# CONFIG_SND_SOC_CS35L41_SPI is not set
# CONFIG_SND_SOC_CS35L41_I2C is not set
# CONFIG_SND_SOC_CS35L45_SPI is not set
# CONFIG_SND_SOC_CS35L45_I2C is not set
# CONFIG_SND_SOC_CS35L56_I2C is not set
# CONFIG_SND_SOC_CS35L56_SPI is not set
# CONFIG_SND_SOC_CS35L56_SDW is not set
# CONFIG_SND_SOC_CS42L42 is not set
# CONFIG_SND_SOC_CS42L42_SDW is not set
# CONFIG_SND_SOC_CS42L51_I2C is not set
# CONFIG_SND_SOC_CS42L52 is not set
# CONFIG_SND_SOC_CS42L56 is not set
# CONFIG_SND_SOC_CS42L73 is not set
# CONFIG_SND_SOC_CS42L83 is not set
# CONFIG_SND_SOC_CS42L84 is not set
# CONFIG_SND_SOC_CS4234 is not set
# CONFIG_SND_SOC_CS4265 is not set
# CONFIG_SND_SOC_CS4270 is not set
# CONFIG_SND_SOC_CS4271_I2C is not set
# CONFIG_SND_SOC_CS4271_SPI is not set
# CONFIG_SND_SOC_CS42XX8_I2C is not set
# CONFIG_SND_SOC_CS43130 is not set
# CONFIG_SND_SOC_CS4341 is not set
# CONFIG_SND_SOC_CS4349 is not set
# CONFIG_SND_SOC_CS48L32 is not set
# CONFIG_SND_SOC_CS53L30 is not set
# CONFIG_SND_SOC_CS530X_I2C is not set
# CONFIG_SND_SOC_CS530X_SPI is not set
# CONFIG_SND_SOC_CX2072X is not set
# CONFIG_SND_SOC_DA7213 is not set
# CONFIG_SND_SOC_DMIC is not set
# CONFIG_SND_SOC_ES7134 is not set
# CONFIG_SND_SOC_ES7241 is not set
# CONFIG_SND_SOC_ES8311 is not set
# CONFIG_SND_SOC_ES8316 is not set
# CONFIG_SND_SOC_ES8323 is not set
# CONFIG_SND_SOC_ES8326 is not set
# CONFIG_SND_SOC_ES8328_I2C is not set
# CONFIG_SND_SOC_ES8328_SPI is not set
# CONFIG_SND_SOC_ES8375 is not set
# CONFIG_SND_SOC_ES8389 is not set
# CONFIG_SND_SOC_FS210X is not set
# CONFIG_SND_SOC_GTM601 is not set
# CONFIG_SND_SOC_HDA is not set
# CONFIG_SND_SOC_ICS43432 is not set
# CONFIG_SND_SOC_IDT821034 is not set
# CONFIG_SND_SOC_MAX98088 is not set
# CONFIG_SND_SOC_MAX98090 is not set
# CONFIG_SND_SOC_MAX98357A is not set
# CONFIG_SND_SOC_MAX98504 is not set
# CONFIG_SND_SOC_MAX9867 is not set
# CONFIG_SND_SOC_MAX98927 is not set
# CONFIG_SND_SOC_MAX98520 is not set
# CONFIG_SND_SOC_MAX98363 is not set
# CONFIG_SND_SOC_MAX98373_I2C is not set
# CONFIG_SND_SOC_MAX98373_SDW is not set
# CONFIG_SND_SOC_MAX98388 is not set
# CONFIG_SND_SOC_MAX98390 is not set
# CONFIG_SND_SOC_MAX98396 is not set
# CONFIG_SND_SOC_MAX9860 is not set
# CONFIG_SND_SOC_MSM8916_WCD_DIGITAL is not set
# CONFIG_SND_SOC_PCM1681 is not set
# CONFIG_SND_SOC_PCM1754 is not set
# CONFIG_SND_SOC_PCM1789_I2C is not set
# CONFIG_SND_SOC_PCM179X_I2C is not set
# CONFIG_SND_SOC_PCM179X_SPI is not set
# CONFIG_SND_SOC_PCM186X_I2C is not set
# CONFIG_SND_SOC_PCM186X_SPI is not set
# CONFIG_SND_SOC_PCM3060_I2C is not set
# CONFIG_SND_SOC_PCM3060_SPI is not set
# CONFIG_SND_SOC_PCM3168A_I2C is not set
# CONFIG_SND_SOC_PCM3168A_SPI is not set
# CONFIG_SND_SOC_PCM5102A is not set
# CONFIG_SND_SOC_PCM512x_I2C is not set
# CONFIG_SND_SOC_PCM512x_SPI is not set
# CONFIG_SND_SOC_PCM6240 is not set
# CONFIG_SND_SOC_PEB2466 is not set
# CONFIG_SND_SOC_PM4125_SDW is not set
# CONFIG_SND_SOC_RT1017_SDCA_SDW is not set
# CONFIG_SND_SOC_RT1308_SDW is not set
# CONFIG_SND_SOC_RT1316_SDW is not set
# CONFIG_SND_SOC_RT1318_SDW is not set
# CONFIG_SND_SOC_RT1320_SDW is not set
# CONFIG_SND_SOC_RT5575 is not set
# CONFIG_SND_SOC_RT5616 is not set
# CONFIG_SND_SOC_RT5631 is not set
# CONFIG_SND_SOC_RT5640 is not set
# CONFIG_SND_SOC_RT5659 is not set
# CONFIG_SND_SOC_RT5682_SDW is not set
# CONFIG_SND_SOC_RT700_SDW is not set
# CONFIG_SND_SOC_RT711_SDW is not set
# CONFIG_SND_SOC_RT711_SDCA_SDW is not set
# CONFIG_SND_SOC_RT712_SDCA_SDW is not set
# CONFIG_SND_SOC_RT712_SDCA_DMIC_SDW is not set
# CONFIG_SND_SOC_RT721_SDCA_SDW is not set
# CONFIG_SND_SOC_RT722_SDCA_SDW is not set
# CONFIG_SND_SOC_RT715_SDW is not set
# CONFIG_SND_SOC_RT715_SDCA_SDW is not set
# CONFIG_SND_SOC_RT9120 is not set
# CONFIG_SND_SOC_RT9123 is not set
# CONFIG_SND_SOC_RT9123P is not set
# CONFIG_SND_SOC_RTQ9124 is not set
# CONFIG_SND_SOC_RTQ9128 is not set
# CONFIG_SND_SOC_SDW_MOCKUP is not set
# CONFIG_SND_SOC_SGTL5000 is not set
# CONFIG_SND_SOC_SIMPLE_AMPLIFIER is not set
# CONFIG_SND_SOC_SIMPLE_MUX is not set
# CONFIG_SND_SOC_SMA1303 is not set
# CONFIG_SND_SOC_SMA1307 is not set
# CONFIG_SND_SOC_SPDIF is not set
# CONFIG_SND_SOC_SRC4XXX_I2C is not set
# CONFIG_SND_SOC_SSM2305 is not set
# CONFIG_SND_SOC_SSM2518 is not set
# CONFIG_SND_SOC_SSM2602_SPI is not set
# CONFIG_SND_SOC_SSM2602_I2C is not set
# CONFIG_SND_SOC_SSM3515 is not set
# CONFIG_SND_SOC_SSM4567 is not set
# CONFIG_SND_SOC_STA32X is not set
# CONFIG_SND_SOC_STA350 is not set
# CONFIG_SND_SOC_STI_SAS is not set
# CONFIG_SND_SOC_TAS2552 is not set
# CONFIG_SND_SOC_TAS2562 is not set
# CONFIG_SND_SOC_TAS2764 is not set
# CONFIG_SND_SOC_TAS2770 is not set
# CONFIG_SND_SOC_TAS2780 is not set
# CONFIG_SND_SOC_TAS2781_I2C is not set
# CONFIG_SND_SOC_TAS5086 is not set
# CONFIG_SND_SOC_TAS571X is not set
# CONFIG_SND_SOC_TAS5720 is not set
# CONFIG_SND_SOC_TAS5805M is not set
# CONFIG_SND_SOC_TAS6424 is not set
# CONFIG_SND_SOC_TDA7419 is not set
# CONFIG_SND_SOC_TFA9879 is not set
# CONFIG_SND_SOC_TFA989X is not set
# CONFIG_SND_SOC_TLV320ADC3XXX is not set
# CONFIG_SND_SOC_TLV320AIC23_I2C is not set
# CONFIG_SND_SOC_TLV320AIC23_SPI is not set
# CONFIG_SND_SOC_TLV320AIC31XX is not set
# CONFIG_SND_SOC_TLV320AIC32X4_I2C is not set
# CONFIG_SND_SOC_TLV320AIC32X4_SPI is not set
# CONFIG_SND_SOC_TLV320AIC3X_I2C is not set
# CONFIG_SND_SOC_TLV320AIC3X_SPI is not set
# CONFIG_SND_SOC_TLV320ADCX140 is not set
# CONFIG_SND_SOC_TS3A227E is not set
# CONFIG_SND_SOC_TSCS42XX is not set
# CONFIG_SND_SOC_TSCS454 is not set
# CONFIG_SND_SOC_UDA1334 is not set
# CONFIG_SND_SOC_UDA1342 is not set
# CONFIG_SND_SOC_WCD937X_SDW is not set
# CONFIG_SND_SOC_WCD938X_SDW is not set
# CONFIG_SND_SOC_WCD939X_SDW is not set
# CONFIG_SND_SOC_WM8510 is not set
# CONFIG_SND_SOC_WM8523 is not set
# CONFIG_SND_SOC_WM8524 is not set
# CONFIG_SND_SOC_WM8580 is not set
# CONFIG_SND_SOC_WM8711 is not set
# CONFIG_SND_SOC_WM8728 is not set
# CONFIG_SND_SOC_WM8731_I2C is not set
# CONFIG_SND_SOC_WM8731_SPI is not set
# CONFIG_SND_SOC_WM8737 is not set
# CONFIG_SND_SOC_WM8741 is not set
# CONFIG_SND_SOC_WM8750 is not set
# CONFIG_SND_SOC_WM8753 is not set
# CONFIG_SND_SOC_WM8770 is not set
# CONFIG_SND_SOC_WM8776 is not set
# CONFIG_SND_SOC_WM8782 is not set
# CONFIG_SND_SOC_WM8804_I2C is not set
# CONFIG_SND_SOC_WM8804_SPI is not set
# CONFIG_SND_SOC_WM8903 is not set
# CONFIG_SND_SOC_WM8904 is not set
# CONFIG_SND_SOC_WM8940 is not set
# CONFIG_SND_SOC_WM8960 is not set
# CONFIG_SND_SOC_WM8961 is not set
# CONFIG_SND_SOC_WM8962 is not set
# CONFIG_SND_SOC_WM8974 is not set
# CONFIG_SND_SOC_WM8978 is not set
# CONFIG_SND_SOC_WM8985 is not set
# CONFIG_SND_SOC_WSA881X is not set
# CONFIG_SND_SOC_WSA883X is not set
# CONFIG_SND_SOC_WSA884X is not set
# CONFIG_SND_SOC_ZL38060 is not set
# CONFIG_SND_SOC_MAX9759 is not set
# CONFIG_SND_SOC_MT6351 is not set
# CONFIG_SND_SOC_MT6357 is not set
# CONFIG_SND_SOC_MT6358 is not set
# CONFIG_SND_SOC_MT6660 is not set
# CONFIG_SND_SOC_NAU8315 is not set
# CONFIG_SND_SOC_NAU8325 is not set
# CONFIG_SND_SOC_NAU8540 is not set
# CONFIG_SND_SOC_NAU8810 is not set
# CONFIG_SND_SOC_NAU8821 is not set
# CONFIG_SND_SOC_NAU8822 is not set
# CONFIG_SND_SOC_NAU8824 is not set
# CONFIG_SND_SOC_NTP8918 is not set
# CONFIG_SND_SOC_NTP8835 is not set
# CONFIG_SND_SOC_TPA6130A2 is not set
# CONFIG_SND_SOC_LPASS_WSA_MACRO is not set
# CONFIG_SND_SOC_LPASS_VA_MACRO is not set
# CONFIG_SND_SOC_LPASS_RX_MACRO is not set
# CONFIG_SND_SOC_LPASS_TX_MACRO is not set
# end of CODEC drivers

#
# Generic drivers
#
# CONFIG_SND_SIMPLE_CARD is not set
# CONFIG_SND_AUDIO_GRAPH_CARD is not set
# CONFIG_SND_AUDIO_GRAPH_CARD2 is not set
# CONFIG_SND_TEST_COMPONENT is not set
# end of Generic drivers

CONFIG_SND_X86=y
# CONFIG_HDMI_LPE_AUDIO is not set
CONFIG_SND_VIRTIO=y
CONFIG_HID_SUPPORT=y
CONFIG_HID=y
CONFIG_HID_BATTERY_STRENGTH=y
CONFIG_HIDRAW=y
CONFIG_UHID=y
CONFIG_HID_GENERIC=y
CONFIG_HID_HAPTIC=y

#
# Special HID drivers
#
CONFIG_HID_A4TECH=y
CONFIG_HID_ACCUTOUCH=y
CONFIG_HID_ACRUX=y
CONFIG_HID_ACRUX_FF=y
CONFIG_HID_APPLE=y
CONFIG_HID_APPLEIR=y
# CONFIG_HID_APPLETB_BL is not set
# CONFIG_HID_APPLETB_KBD is not set
CONFIG_HID_ASUS=y
CONFIG_HID_AUREAL=y
CONFIG_HID_BELKIN=y
CONFIG_HID_BETOP_FF=y
CONFIG_HID_BIGBEN_FF=y
CONFIG_HID_CHERRY=y
CONFIG_HID_CHICONY=y
CONFIG_HID_CORSAIR=y
CONFIG_HID_COUGAR=y
CONFIG_HID_MACALLY=y
CONFIG_HID_PRODIKEYS=y
CONFIG_HID_CMEDIA=y
CONFIG_HID_CP2112=y
CONFIG_HID_CREATIVE_SB0540=y
CONFIG_HID_CYPRESS=y
CONFIG_HID_DRAGONRISE=y
CONFIG_DRAGONRISE_FF=y
CONFIG_HID_EMS_FF=y
CONFIG_HID_ELAN=y
CONFIG_HID_ELECOM=y
CONFIG_HID_ELO=y
CONFIG_HID_EVISION=y
CONFIG_HID_EZKEY=y
CONFIG_HID_FT260=y
CONFIG_HID_GEMBIRD=y
CONFIG_HID_GFRM=y
CONFIG_HID_GLORIOUS=y
CONFIG_HID_HOLTEK=y
CONFIG_HOLTEK_FF=y
CONFIG_HID_VIVALDI_COMMON=y
# CONFIG_HID_GOODIX_SPI is not set
CONFIG_HID_GOOGLE_STADIA_FF=y
CONFIG_HID_VIVALDI=y
CONFIG_HID_GT683R=y
CONFIG_HID_KEYTOUCH=y
CONFIG_HID_KYE=y
# CONFIG_HID_KYSONA is not set
CONFIG_HID_UCLOGIC=y
CONFIG_HID_WALTOP=y
CONFIG_HID_VIEWSONIC=y
CONFIG_HID_VRC2=y
CONFIG_HID_XIAOMI=y
CONFIG_HID_GYRATION=y
CONFIG_HID_ICADE=y
CONFIG_HID_ITE=y
CONFIG_HID_JABRA=y
CONFIG_HID_TWINHAN=y
CONFIG_HID_KENSINGTON=y
CONFIG_HID_LCPOWER=y
CONFIG_HID_LED=y
CONFIG_HID_LENOVO=y
CONFIG_HID_LETSKETCH=y
CONFIG_HID_LOGITECH=y
CONFIG_HID_LOGITECH_DJ=y
CONFIG_HID_LOGITECH_HIDPP=y
CONFIG_LOGITECH_FF=y
CONFIG_LOGIRUMBLEPAD2_FF=y
CONFIG_LOGIG940_FF=y
CONFIG_LOGIWHEELS_FF=y
CONFIG_HID_MAGICMOUSE=y
CONFIG_HID_MALTRON=y
CONFIG_HID_MAYFLASH=y
CONFIG_HID_MEGAWORLD_FF=y
CONFIG_HID_REDRAGON=y
CONFIG_HID_MICROSOFT=y
CONFIG_HID_MONTEREY=y
CONFIG_HID_MULTITOUCH=y
CONFIG_HID_NINTENDO=y
CONFIG_NINTENDO_FF=y
CONFIG_HID_NTI=y
CONFIG_HID_NTRIG=y
CONFIG_HID_NVIDIA_SHIELD=y
CONFIG_NVIDIA_SHIELD_FF=y
CONFIG_HID_ORTEK=y
CONFIG_HID_PANTHERLORD=y
CONFIG_PANTHERLORD_FF=y
CONFIG_HID_PENMOUNT=y
CONFIG_HID_PETALYNX=y
CONFIG_HID_PICOLCD=y
CONFIG_HID_PICOLCD_FB=y
CONFIG_HID_PICOLCD_BACKLIGHT=y
CONFIG_HID_PICOLCD_LCD=y
CONFIG_HID_PICOLCD_LEDS=y
CONFIG_HID_PICOLCD_CIR=y
CONFIG_HID_PLANTRONICS=y
CONFIG_HID_PLAYSTATION=y
CONFIG_PLAYSTATION_FF=y
CONFIG_HID_PXRC=y
# CONFIG_HID_RAPOO is not set
CONFIG_HID_RAZER=y
CONFIG_HID_PRIMAX=y
CONFIG_HID_RETRODE=y
CONFIG_HID_ROCCAT=y
CONFIG_HID_SAITEK=y
CONFIG_HID_SAMSUNG=y
CONFIG_HID_SEMITEK=y
CONFIG_HID_SIGMAMICRO=y
CONFIG_HID_SONY=y
CONFIG_SONY_FF=y
CONFIG_HID_SPEEDLINK=y
CONFIG_HID_STEAM=y
CONFIG_STEAM_FF=y
CONFIG_HID_STEELSERIES=y
CONFIG_HID_SUNPLUS=y
CONFIG_HID_RMI=y
CONFIG_HID_GREENASIA=y
CONFIG_GREENASIA_FF=y
CONFIG_HID_SMARTJOYPLUS=y
CONFIG_SMARTJOYPLUS_FF=y
CONFIG_HID_TIVO=y
CONFIG_HID_TOPSEED=y
CONFIG_HID_TOPRE=y
CONFIG_HID_THINGM=y
CONFIG_HID_THRUSTMASTER=y
CONFIG_THRUSTMASTER_FF=y
CONFIG_HID_UDRAW_PS3=y
CONFIG_HID_U2FZERO=y
# CONFIG_HID_UNIVERSAL_PIDFF is not set
CONFIG_HID_WACOM=y
CONFIG_HID_WIIMOTE=y
# CONFIG_HID_WINWING is not set
CONFIG_HID_XINMO=y
CONFIG_HID_ZEROPLUS=y
CONFIG_ZEROPLUS_FF=y
CONFIG_HID_ZYDACRON=y
CONFIG_HID_SENSOR_HUB=y
CONFIG_HID_SENSOR_CUSTOM_SENSOR=y
CONFIG_HID_ALPS=y
CONFIG_HID_MCP2200=y
CONFIG_HID_MCP2221=y
# end of Special HID drivers

#
# HID-BPF support
#
# end of HID-BPF support

CONFIG_I2C_HID=y
CONFIG_I2C_HID_ACPI=y
CONFIG_I2C_HID_OF=y
# CONFIG_I2C_HID_OF_ELAN is not set
# CONFIG_I2C_HID_OF_GOODIX is not set
CONFIG_I2C_HID_CORE=y

#
# Intel ISH HID support
#
CONFIG_INTEL_ISH_HID=y
CONFIG_INTEL_ISH_FIRMWARE_DOWNLOADER=y
# end of Intel ISH HID support

#
# AMD SFH HID Support
#
CONFIG_AMD_SFH_HID=y
# end of AMD SFH HID Support

#
# Surface System Aggregator Module HID support
#
CONFIG_SURFACE_HID=y
CONFIG_SURFACE_KBD=y
# end of Surface System Aggregator Module HID support

CONFIG_SURFACE_HID_CORE=y

#
# Intel THC HID Support
#
# CONFIG_INTEL_THC_HID is not set
# end of Intel THC HID Support

#
# USB HID support
#
CONFIG_USB_HID=y
CONFIG_HID_PID=y
CONFIG_USB_HIDDEV=y
# end of USB HID support

CONFIG_USB_OHCI_LITTLE_ENDIAN=y
CONFIG_USB_SUPPORT=y
CONFIG_USB_COMMON=y
CONFIG_USB_LED_TRIG=y
CONFIG_USB_ULPI_BUS=y
CONFIG_USB_CONN_GPIO=y
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB=y
CONFIG_USB_PCI=y
CONFIG_USB_PCI_AMD=y
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y

#
# Miscellaneous USB options
#
CONFIG_USB_DEFAULT_PERSIST=y
CONFIG_USB_FEW_INIT_RETRIES=y
CONFIG_USB_DYNAMIC_MINORS=y
CONFIG_USB_OTG=y
# CONFIG_USB_OTG_PRODUCTLIST is not set
# CONFIG_USB_OTG_DISABLE_EXTERNAL_HUB is not set
CONFIG_USB_OTG_FSM=y
CONFIG_USB_LEDS_TRIGGER_USBPORT=y
CONFIG_USB_AUTOSUSPEND_DELAY=2
CONFIG_USB_DEFAULT_AUTHORIZATION_MODE=1
CONFIG_USB_MON=y

#
# USB Host Controller Drivers
#
CONFIG_USB_C67X00_HCD=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DBGCAP=y
CONFIG_USB_XHCI_PCI=y
CONFIG_USB_XHCI_PCI_RENESAS=y
CONFIG_USB_XHCI_PLATFORM=y
# CONFIG_USB_XHCI_SIDEBAND is not set
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
CONFIG_USB_EHCI_TT_NEWSCHED=y
CONFIG_USB_EHCI_PCI=y
CONFIG_USB_EHCI_FSL=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OXU210HP_HCD=y
CONFIG_USB_ISP116X_HCD=y
CONFIG_USB_MAX3421_HCD=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PCI=y
# CONFIG_USB_OHCI_HCD_SSB is not set
CONFIG_USB_OHCI_HCD_PLATFORM=y
CONFIG_USB_UHCI_HCD=y
CONFIG_USB_SL811_HCD=y
CONFIG_USB_SL811_HCD_ISO=y
CONFIG_USB_SL811_CS=y
CONFIG_USB_R8A66597_HCD=y
CONFIG_USB_HCD_BCMA=y
CONFIG_USB_HCD_SSB=y
# CONFIG_USB_HCD_TEST_MODE is not set

#
# USB Device Class drivers
#
CONFIG_USB_ACM=y
CONFIG_USB_PRINTER=y
CONFIG_USB_WDM=y
CONFIG_USB_TMC=y

#
# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed; see USB_STORAGE Help for more info
#
CONFIG_USB_STORAGE=y
# CONFIG_USB_STORAGE_DEBUG is not set
CONFIG_USB_STORAGE_REALTEK=y
CONFIG_REALTEK_AUTOPM=y
CONFIG_USB_STORAGE_DATAFAB=y
CONFIG_USB_STORAGE_FREECOM=y
CONFIG_USB_STORAGE_ISD200=y
CONFIG_USB_STORAGE_USBAT=y
CONFIG_USB_STORAGE_SDDR09=y
CONFIG_USB_STORAGE_SDDR55=y
CONFIG_USB_STORAGE_JUMPSHOT=y
CONFIG_USB_STORAGE_ALAUDA=y
CONFIG_USB_STORAGE_ONETOUCH=y
CONFIG_USB_STORAGE_KARMA=y
CONFIG_USB_STORAGE_CYPRESS_ATACB=y
CONFIG_USB_STORAGE_ENE_UB6250=y
CONFIG_USB_UAS=y

#
# USB Imaging devices
#
CONFIG_USB_MDC800=y
CONFIG_USB_MICROTEK=y
CONFIG_USBIP_CORE=y
CONFIG_USBIP_VHCI_HCD=y
CONFIG_USBIP_VHCI_HC_PORTS=8
CONFIG_USBIP_VHCI_NR_HCS=16
CONFIG_USBIP_HOST=y
CONFIG_USBIP_VUDC=y
# CONFIG_USBIP_DEBUG is not set

#
# USB dual-mode controller drivers
#
CONFIG_USB_CDNS_SUPPORT=y
CONFIG_USB_CDNS_HOST=y
CONFIG_USB_CDNS3=y
CONFIG_USB_CDNS3_GADGET=y
CONFIG_USB_CDNS3_HOST=y
CONFIG_USB_CDNS3_PCI_WRAP=y
CONFIG_USB_CDNSP_PCI=y
CONFIG_USB_CDNSP_GADGET=y
CONFIG_USB_CDNSP_HOST=y
CONFIG_USB_MUSB_HDRC=y
# CONFIG_USB_MUSB_HOST is not set
# CONFIG_USB_MUSB_GADGET is not set
CONFIG_USB_MUSB_DUAL_ROLE=y

#
# Platform Glue Layer
#

#
# MUSB DMA mode
#
CONFIG_MUSB_PIO_ONLY=y
CONFIG_USB_DWC3=y
CONFIG_USB_DWC3_ULPI=y
# CONFIG_USB_DWC3_HOST is not set
CONFIG_USB_DWC3_GADGET=y
# CONFIG_USB_DWC3_DUAL_ROLE is not set

#
# Platform Glue Driver Support
#
CONFIG_USB_DWC3_PCI=y
CONFIG_USB_DWC3_HAPS=y
CONFIG_USB_DWC3_OF_SIMPLE=y
CONFIG_USB_DWC3_GENERIC_PLAT=y
# CONFIG_USB_DWC3_GOOGLE is not set
CONFIG_USB_DWC2=y
CONFIG_USB_DWC2_HOST=y

#
# Gadget/Dual-role mode requires USB Gadget support to be enabled
#
# CONFIG_USB_DWC2_PERIPHERAL is not set
# CONFIG_USB_DWC2_DUAL_ROLE is not set
CONFIG_USB_DWC2_PCI=y
# CONFIG_USB_DWC2_DEBUG is not set
# CONFIG_USB_DWC2_TRACK_MISSED_SOFS is not set
CONFIG_USB_CHIPIDEA=y
CONFIG_USB_CHIPIDEA_UDC=y
CONFIG_USB_CHIPIDEA_HOST=y
CONFIG_USB_CHIPIDEA_PCI=y
CONFIG_USB_CHIPIDEA_MSM=y
CONFIG_USB_CHIPIDEA_NPCM=y
# CONFIG_USB_CHIPIDEA_IMX is not set
CONFIG_USB_CHIPIDEA_GENERIC=y
# CONFIG_USB_CHIPIDEA_TEGRA is not set
CONFIG_USB_ISP1760=y
CONFIG_USB_ISP1760_HCD=y
CONFIG_USB_ISP1761_UDC=y
# CONFIG_USB_ISP1760_HOST_ROLE is not set
# CONFIG_USB_ISP1760_GADGET_ROLE is not set
CONFIG_USB_ISP1760_DUAL_ROLE=y

#
# USB port drivers
#
CONFIG_USB_SERIAL=y
CONFIG_USB_SERIAL_CONSOLE=y
CONFIG_USB_SERIAL_GENERIC=y
CONFIG_USB_SERIAL_SIMPLE=y
CONFIG_USB_SERIAL_AIRCABLE=y
CONFIG_USB_SERIAL_ARK3116=y
CONFIG_USB_SERIAL_BELKIN=y
CONFIG_USB_SERIAL_CH341=y
CONFIG_USB_SERIAL_WHITEHEAT=y
CONFIG_USB_SERIAL_DIGI_ACCELEPORT=y
CONFIG_USB_SERIAL_CP210X=y
CONFIG_USB_SERIAL_CYPRESS_M8=y
CONFIG_USB_SERIAL_EMPEG=y
CONFIG_USB_SERIAL_FTDI_SIO=y
CONFIG_USB_SERIAL_VISOR=y
CONFIG_USB_SERIAL_IPAQ=y
CONFIG_USB_SERIAL_IR=y
CONFIG_USB_SERIAL_EDGEPORT=y
CONFIG_USB_SERIAL_EDGEPORT_TI=y
CONFIG_USB_SERIAL_F81232=y
CONFIG_USB_SERIAL_F8153X=y
CONFIG_USB_SERIAL_GARMIN=y
CONFIG_USB_SERIAL_IPW=y
CONFIG_USB_SERIAL_IUU=y
CONFIG_USB_SERIAL_KEYSPAN_PDA=y
CONFIG_USB_SERIAL_KEYSPAN=y
CONFIG_USB_SERIAL_KLSI=y
CONFIG_USB_SERIAL_KOBIL_SCT=y
CONFIG_USB_SERIAL_MCT_U232=y
CONFIG_USB_SERIAL_METRO=y
CONFIG_USB_SERIAL_MOS7720=y
CONFIG_USB_SERIAL_MOS7715_PARPORT=y
CONFIG_USB_SERIAL_MOS7840=y
CONFIG_USB_SERIAL_MXUPORT=y
CONFIG_USB_SERIAL_NAVMAN=y
CONFIG_USB_SERIAL_PL2303=y
CONFIG_USB_SERIAL_OTI6858=y
CONFIG_USB_SERIAL_QCAUX=y
CONFIG_USB_SERIAL_QUALCOMM=y
CONFIG_USB_SERIAL_SPCP8X5=y
CONFIG_USB_SERIAL_SAFE=y
# CONFIG_USB_SERIAL_SAFE_PADDED is not set
CONFIG_USB_SERIAL_SIERRAWIRELESS=y
CONFIG_USB_SERIAL_SYMBOL=y
CONFIG_USB_SERIAL_TI=y
CONFIG_USB_SERIAL_CYBERJACK=y
CONFIG_USB_SERIAL_WWAN=y
CONFIG_USB_SERIAL_OPTION=y
CONFIG_USB_SERIAL_OMNINET=y
CONFIG_USB_SERIAL_OPTICON=y
CONFIG_USB_SERIAL_XSENS_MT=y
CONFIG_USB_SERIAL_WISHBONE=y
CONFIG_USB_SERIAL_SSU100=y
CONFIG_USB_SERIAL_QT2=y
CONFIG_USB_SERIAL_UPD78F0730=y
CONFIG_USB_SERIAL_XR=y
CONFIG_USB_SERIAL_DEBUG=y

#
# USB Miscellaneous drivers
#
CONFIG_USB_USS720=y
CONFIG_USB_EMI62=y
CONFIG_USB_EMI26=y
CONFIG_USB_ADUTUX=y
CONFIG_USB_SEVSEG=y
CONFIG_USB_LEGOTOWER=y
CONFIG_USB_LCD=y
CONFIG_USB_CYPRESS_CY7C63=y
CONFIG_USB_CYTHERM=y
CONFIG_USB_IDMOUSE=y
CONFIG_USB_APPLEDISPLAY=y
CONFIG_APPLE_MFI_FASTCHARGE=y
CONFIG_USB_LJCA=y
# CONFIG_USB_USBIO is not set
CONFIG_USB_SISUSBVGA=y
CONFIG_USB_LD=y
CONFIG_USB_TRANCEVIBRATOR=y
CONFIG_USB_IOWARRIOR=y
CONFIG_USB_TEST=y
CONFIG_USB_EHSET_TEST_FIXTURE=y
CONFIG_USB_ISIGHTFW=y
CONFIG_USB_YUREX=y
CONFIG_USB_EZUSB_FX2=y
CONFIG_USB_HUB_USB251XB=y
CONFIG_USB_HSIC_USB3503=y
CONFIG_USB_HSIC_USB4604=y
CONFIG_USB_LINK_LAYER_TEST=y
CONFIG_USB_CHAOSKEY=y
# CONFIG_USB_ONBOARD_DEV is not set
CONFIG_USB_ATM=y
CONFIG_USB_SPEEDTOUCH=y
CONFIG_USB_CXACRU=y
CONFIG_USB_UEAGLEATM=y
CONFIG_USB_XUSBATM=y

#
# USB Physical Layer drivers
#
CONFIG_USB_PHY=y
CONFIG_NOP_USB_XCEIV=y
CONFIG_TAHVO_USB=y
CONFIG_TAHVO_USB_HOST_BY_DEFAULT=y
CONFIG_USB_ISP1301=y
# end of USB Physical Layer drivers

CONFIG_USB_GADGET=y
# CONFIG_USB_GADGET_DEBUG is not set
CONFIG_USB_GADGET_DEBUG_FILES=y
CONFIG_USB_GADGET_DEBUG_FS=y
CONFIG_USB_GADGET_VBUS_DRAW=2
CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS=2
CONFIG_U_SERIAL_CONSOLE=y

#
# USB Peripheral Controller
#
CONFIG_USB_GR_UDC=y
CONFIG_USB_R8A66597=y
CONFIG_USB_PXA27X=y
CONFIG_USB_SNP_CORE=y
# CONFIG_USB_SNP_UDC_PLAT is not set
# CONFIG_USB_M66592 is not set
CONFIG_USB_BDC_UDC=y
CONFIG_USB_AMD5536UDC=y
CONFIG_USB_NET2280=y
CONFIG_USB_GOKU=y
CONFIG_USB_EG20T=y
# CONFIG_USB_GADGET_XILINX is not set
CONFIG_USB_MAX3420_UDC=y
CONFIG_USB_CDNS2_UDC=y
CONFIG_USB_DUMMY_HCD=y
# end of USB Peripheral Controller

CONFIG_USB_LIBCOMPOSITE=y
CONFIG_USB_F_ACM=y
CONFIG_USB_F_SS_LB=y
CONFIG_USB_U_SERIAL=y
CONFIG_USB_U_ETHER=y
CONFIG_USB_U_AUDIO=y
CONFIG_USB_F_SERIAL=y
CONFIG_USB_F_OBEX=y
CONFIG_USB_F_NCM=y
CONFIG_USB_F_ECM=y
CONFIG_USB_F_PHONET=y
CONFIG_USB_F_EEM=y
CONFIG_USB_F_SUBSET=y
CONFIG_USB_F_RNDIS=y
CONFIG_USB_F_MASS_STORAGE=y
CONFIG_USB_F_FS=y
CONFIG_USB_F_UAC1=y
CONFIG_USB_F_UAC1_LEGACY=y
CONFIG_USB_F_UAC2=y
CONFIG_USB_F_UVC=y
CONFIG_USB_F_MIDI=y
CONFIG_USB_F_MIDI2=y
CONFIG_USB_F_HID=y
CONFIG_USB_F_PRINTER=y
CONFIG_USB_F_TCM=y
CONFIG_USB_CONFIGFS=y
CONFIG_USB_CONFIGFS_SERIAL=y
CONFIG_USB_CONFIGFS_ACM=y
CONFIG_USB_CONFIGFS_OBEX=y
CONFIG_USB_CONFIGFS_NCM=y
CONFIG_USB_CONFIGFS_ECM=y
CONFIG_USB_CONFIGFS_ECM_SUBSET=y
CONFIG_USB_CONFIGFS_RNDIS=y
CONFIG_USB_CONFIGFS_EEM=y
CONFIG_USB_CONFIGFS_PHONET=y
CONFIG_USB_CONFIGFS_MASS_STORAGE=y
CONFIG_USB_CONFIGFS_F_LB_SS=y
CONFIG_USB_CONFIGFS_F_FS=y
CONFIG_USB_CONFIGFS_F_UAC1=y
CONFIG_USB_CONFIGFS_F_UAC1_LEGACY=y
CONFIG_USB_CONFIGFS_F_UAC2=y
CONFIG_USB_CONFIGFS_F_MIDI=y
CONFIG_USB_CONFIGFS_F_MIDI2=y
CONFIG_USB_CONFIGFS_F_HID=y
CONFIG_USB_CONFIGFS_F_UVC=y
CONFIG_USB_CONFIGFS_F_PRINTER=y
CONFIG_USB_CONFIGFS_F_TCM=y

#
# USB Gadget precomposed configurations
#
# CONFIG_USB_ZERO is not set
# CONFIG_USB_AUDIO is not set
# CONFIG_USB_ETH is not set
# CONFIG_USB_G_NCM is not set
CONFIG_USB_GADGETFS=y
# CONFIG_USB_FUNCTIONFS is not set
# CONFIG_USB_MASS_STORAGE is not set
# CONFIG_USB_GADGET_TARGET is not set
# CONFIG_USB_G_SERIAL is not set
# CONFIG_USB_MIDI_GADGET is not set
# CONFIG_USB_G_PRINTER is not set
# CONFIG_USB_CDC_COMPOSITE is not set
# CONFIG_USB_G_NOKIA is not set
# CONFIG_USB_G_ACM_MS is not set
# CONFIG_USB_G_MULTI is not set
# CONFIG_USB_G_HID is not set
# CONFIG_USB_G_DBGP is not set
# CONFIG_USB_G_WEBCAM is not set
CONFIG_USB_RAW_GADGET=y
# end of USB Gadget precomposed configurations

CONFIG_TYPEC=y
CONFIG_TYPEC_TCPM=y
CONFIG_TYPEC_TCPCI=y
CONFIG_TYPEC_RT1711H=y
CONFIG_TYPEC_MT6360=y
CONFIG_TYPEC_TCPCI_MT6370=y
CONFIG_TYPEC_TCPCI_MAXIM=y
CONFIG_TYPEC_FUSB302=y
CONFIG_TYPEC_WCOVE=y
CONFIG_TYPEC_UCSI=y
CONFIG_UCSI_CCG=y
CONFIG_UCSI_ACPI=y
CONFIG_UCSI_STM32G0=y
CONFIG_TYPEC_TPS6598X=y
CONFIG_TYPEC_ANX7411=y
CONFIG_TYPEC_RT1719=y
CONFIG_TYPEC_HD3SS3220=y
CONFIG_TYPEC_STUSB160X=y
CONFIG_TYPEC_WUSB3801=y

#
# USB Type-C Multiplexer/DeMultiplexer Switch support
#
CONFIG_TYPEC_MUX_FSA4480=y
CONFIG_TYPEC_MUX_GPIO_SBU=y
CONFIG_TYPEC_MUX_PI3USB30532=y
CONFIG_TYPEC_MUX_INTEL_PMC=y
# CONFIG_TYPEC_MUX_IT5205 is not set
CONFIG_TYPEC_MUX_NB7VPQ904M=y
# CONFIG_TYPEC_MUX_PS883X is not set
CONFIG_TYPEC_MUX_PTN36502=y
# CONFIG_TYPEC_MUX_TUSB1046 is not set
CONFIG_TYPEC_MUX_WCD939X_USBSS=y
# end of USB Type-C Multiplexer/DeMultiplexer Switch support

#
# USB Type-C Alternate Mode drivers
#
CONFIG_TYPEC_DP_ALTMODE=y
CONFIG_TYPEC_NVIDIA_ALTMODE=y
# CONFIG_TYPEC_TBT_ALTMODE is not set
# end of USB Type-C Alternate Mode drivers

CONFIG_USB_ROLE_SWITCH=y
CONFIG_USB_ROLES_INTEL_XHCI=y
CONFIG_MMC=y
# CONFIG_PWRSEQ_EMMC is not set
# CONFIG_PWRSEQ_SD8787 is not set
# CONFIG_PWRSEQ_SIMPLE is not set
# CONFIG_MMC_BLOCK is not set
# CONFIG_SDIO_UART is not set
# CONFIG_MMC_TEST is not set
# CONFIG_MMC_CRYPTO is not set

#
# MMC/SD/SDIO Host Controller Drivers
#
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_SDHCI is not set
# CONFIG_MMC_WBSD is not set
# CONFIG_MMC_TIFM_SD is not set
# CONFIG_MMC_SPI is not set
# CONFIG_MMC_SDRICOH_CS is not set
# CONFIG_MMC_CB710 is not set
# CONFIG_MMC_VIA_SDMMC is not set
CONFIG_MMC_VUB300=y
CONFIG_MMC_USHC=y
# CONFIG_MMC_USDHI6ROL0 is not set
CONFIG_MMC_REALTEK_USB=y
# CONFIG_MMC_CQHCI is not set
# CONFIG_MMC_HSQ is not set
# CONFIG_MMC_TOSHIBA_PCI is not set
# CONFIG_MMC_MTK is not set
# CONFIG_SCSI_UFSHCD is not set
CONFIG_MEMSTICK=y
# CONFIG_MEMSTICK_DEBUG is not set

#
# MemoryStick drivers
#
# CONFIG_MEMSTICK_UNSAFE_RESUME is not set
# CONFIG_MSPRO_BLOCK is not set
# CONFIG_MS_BLOCK is not set

#
# MemoryStick Host Controller Drivers
#
# CONFIG_MEMSTICK_TIFM_MS is not set
# CONFIG_MEMSTICK_JMICRON_38X is not set
# CONFIG_MEMSTICK_R592 is not set
CONFIG_MEMSTICK_REALTEK_USB=y
CONFIG_NEW_LEDS=y
CONFIG_LEDS_CLASS=y
# CONFIG_LEDS_CLASS_FLASH is not set
CONFIG_LEDS_CLASS_MULTICOLOR=y
# CONFIG_LEDS_BRIGHTNESS_HW_CHANGED is not set

#
# LED drivers
#
# CONFIG_LEDS_AN30259A is not set
# CONFIG_LEDS_APU is not set
# CONFIG_LEDS_OSRAM_AMS_AS3668 is not set
# CONFIG_LEDS_AW200XX is not set
# CONFIG_LEDS_AW2013 is not set
# CONFIG_LEDS_BCM6328 is not set
# CONFIG_LEDS_BCM6358 is not set
# CONFIG_LEDS_CHT_WCOVE is not set
# CONFIG_LEDS_CR0014114 is not set
# CONFIG_LEDS_EL15203000 is not set
# CONFIG_LEDS_LM3530 is not set
# CONFIG_LEDS_LM3532 is not set
# CONFIG_LEDS_LM3642 is not set
# CONFIG_LEDS_LM3692X is not set
# CONFIG_LEDS_PCA9532 is not set
# CONFIG_LEDS_GPIO is not set
# CONFIG_LEDS_LP3944 is not set
# CONFIG_LEDS_LP3952 is not set
# CONFIG_LEDS_LP50XX is not set
# CONFIG_LEDS_LP55XX_COMMON is not set
# CONFIG_LEDS_LP8860 is not set
# CONFIG_LEDS_LP8864 is not set
# CONFIG_LEDS_PCA955X is not set
# CONFIG_LEDS_PCA963X is not set
# CONFIG_LEDS_PCA995X is not set
# CONFIG_LEDS_DAC124S085 is not set
# CONFIG_LEDS_REGULATOR is not set
# CONFIG_LEDS_BD2606MVV is not set
# CONFIG_LEDS_BD2802 is not set
# CONFIG_LEDS_INTEL_SS4200 is not set
# CONFIG_LEDS_LT3593 is not set
# CONFIG_LEDS_TCA6507 is not set
# CONFIG_LEDS_TLC591XX is not set
# CONFIG_LEDS_LM355x is not set
# CONFIG_LEDS_IS31FL319X is not set
# CONFIG_LEDS_IS31FL32XX is not set

#
# LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM)
#
# CONFIG_LEDS_BLINKM is not set
# CONFIG_LEDS_SYSCON is not set
# CONFIG_LEDS_MLXCPLD is not set
# CONFIG_LEDS_MLXREG is not set
# CONFIG_LEDS_USER is not set
# CONFIG_LEDS_NIC78BX is not set
# CONFIG_LEDS_SPI_BYTE is not set
# CONFIG_LEDS_LM3697 is not set
# CONFIG_LEDS_ST1202 is not set
# CONFIG_LEDS_LGM is not set

#
# Flash and Torch LED drivers
#

#
# RGB LED drivers
#
# CONFIG_LEDS_GROUP_MULTICOLOR is not set
# CONFIG_LEDS_KTD202X is not set
# CONFIG_LEDS_LP5812 is not set
# CONFIG_LEDS_NCP5623 is not set
# CONFIG_LEDS_MT6370_RGB is not set

#
# LED Triggers
#
CONFIG_LEDS_TRIGGERS=y
# CONFIG_LEDS_TRIGGER_TIMER is not set
# CONFIG_LEDS_TRIGGER_ONESHOT is not set
# CONFIG_LEDS_TRIGGER_DISK is not set
# CONFIG_LEDS_TRIGGER_MTD is not set
# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
# CONFIG_LEDS_TRIGGER_CPU is not set
# CONFIG_LEDS_TRIGGER_ACTIVITY is not set
# CONFIG_LEDS_TRIGGER_GPIO is not set
# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set

#
# iptables trigger is under Netfilter config (LED target)
#
# CONFIG_LEDS_TRIGGER_TRANSIENT is not set
# CONFIG_LEDS_TRIGGER_CAMERA is not set
# CONFIG_LEDS_TRIGGER_PANIC is not set
# CONFIG_LEDS_TRIGGER_NETDEV is not set
# CONFIG_LEDS_TRIGGER_PATTERN is not set
# CONFIG_LEDS_TRIGGER_TTY is not set
# CONFIG_LEDS_TRIGGER_INPUT_EVENTS is not set

#
# Simatic LED drivers
#
# CONFIG_ACCESSIBILITY is not set
CONFIG_INFINIBAND=y
CONFIG_INFINIBAND_USER_MAD=y
CONFIG_INFINIBAND_USER_ACCESS=y
CONFIG_INFINIBAND_USER_MEM=y
CONFIG_INFINIBAND_ON_DEMAND_PAGING=y
CONFIG_INFINIBAND_ADDR_TRANS=y
CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS=y
CONFIG_INFINIBAND_VIRT_DMA=y
# CONFIG_INFINIBAND_EFA is not set
# CONFIG_INFINIBAND_ERDMA is not set
CONFIG_MLX4_INFINIBAND=y
# CONFIG_INFINIBAND_MTHCA is not set
# CONFIG_INFINIBAND_OCRDMA is not set
# CONFIG_INFINIBAND_USNIC is not set
# CONFIG_INFINIBAND_VMWARE_PVRDMA is not set
# CONFIG_INFINIBAND_RDMAVT is not set
CONFIG_RDMA_RXE=y
CONFIG_RDMA_SIW=y
CONFIG_INFINIBAND_IPOIB=y
CONFIG_INFINIBAND_IPOIB_CM=y
CONFIG_INFINIBAND_IPOIB_DEBUG=y
# CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set
CONFIG_INFINIBAND_SRP=y
# CONFIG_INFINIBAND_SRPT is not set
CONFIG_INFINIBAND_ISER=y
CONFIG_INFINIBAND_RTRS=y
CONFIG_INFINIBAND_RTRS_CLIENT=y
# CONFIG_INFINIBAND_RTRS_SERVER is not set
# CONFIG_INFINIBAND_OPA_VNIC is not set
CONFIG_EDAC_ATOMIC_SCRUB=y
CONFIG_EDAC_SUPPORT=y
CONFIG_EDAC=y
# CONFIG_EDAC_DEBUG is not set
# CONFIG_EDAC_DECODE_MCE is not set
# CONFIG_EDAC_SCRUB is not set
# CONFIG_EDAC_ECS is not set
# CONFIG_EDAC_MEM_REPAIR is not set
# CONFIG_EDAC_E752X is not set
# CONFIG_EDAC_I82975X is not set
# CONFIG_EDAC_I3000 is not set
# CONFIG_EDAC_I3200 is not set
# CONFIG_EDAC_IE31200 is not set
# CONFIG_EDAC_X38 is not set
# CONFIG_EDAC_I5400 is not set
# CONFIG_EDAC_I7CORE is not set
# CONFIG_EDAC_I5100 is not set
# CONFIG_EDAC_I7300 is not set
# CONFIG_EDAC_SBRIDGE is not set
# CONFIG_EDAC_SKX is not set
# CONFIG_EDAC_I10NM is not set
# CONFIG_EDAC_IMH is not set
# CONFIG_EDAC_PND2 is not set
# CONFIG_EDAC_IGEN6 is not set
CONFIG_RTC_LIB=y
CONFIG_RTC_MC146818_LIB=y
CONFIG_RTC_CLASS=y
# CONFIG_RTC_HCTOSYS is not set
CONFIG_RTC_SYSTOHC=y
CONFIG_RTC_SYSTOHC_DEVICE="rtc0"
# CONFIG_RTC_DEBUG is not set
# CONFIG_RTC_NVMEM is not set

#
# RTC interfaces
#
CONFIG_RTC_INTF_SYSFS=y
CONFIG_RTC_INTF_PROC=y
CONFIG_RTC_INTF_DEV=y
# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
# CONFIG_RTC_DRV_TEST is not set

#
# I2C RTC drivers
#
# CONFIG_RTC_DRV_ABB5ZES3 is not set
# CONFIG_RTC_DRV_ABEOZ9 is not set
# CONFIG_RTC_DRV_ABX80X is not set
# CONFIG_RTC_DRV_DS1307 is not set
# CONFIG_RTC_DRV_DS1374 is not set
# CONFIG_RTC_DRV_DS1672 is not set
# CONFIG_RTC_DRV_HYM8563 is not set
# CONFIG_RTC_DRV_MAX6900 is not set
# CONFIG_RTC_DRV_MAX31335 is not set
# CONFIG_RTC_DRV_NCT3018Y is not set
# CONFIG_RTC_DRV_RS5C372 is not set
# CONFIG_RTC_DRV_ISL1208 is not set
# CONFIG_RTC_DRV_ISL12022 is not set
# CONFIG_RTC_DRV_ISL12026 is not set
# CONFIG_RTC_DRV_X1205 is not set
# CONFIG_RTC_DRV_PCF8523 is not set
# CONFIG_RTC_DRV_PCF85363 is not set
# CONFIG_RTC_DRV_PCF8563 is not set
# CONFIG_RTC_DRV_PCF8583 is not set
# CONFIG_RTC_DRV_M41T80 is not set
# CONFIG_RTC_DRV_BQ32K is not set
# CONFIG_RTC_DRV_TWL4030 is not set
# CONFIG_RTC_DRV_S35390A is not set
# CONFIG_RTC_DRV_FM3130 is not set
# CONFIG_RTC_DRV_RX8010 is not set
# CONFIG_RTC_DRV_RX8111 is not set
# CONFIG_RTC_DRV_RX8581 is not set
# CONFIG_RTC_DRV_RX8025 is not set
# CONFIG_RTC_DRV_EM3027 is not set
# CONFIG_RTC_DRV_RV3028 is not set
# CONFIG_RTC_DRV_RV3032 is not set
# CONFIG_RTC_DRV_RV8803 is not set
# CONFIG_RTC_DRV_SD2405AL is not set
# CONFIG_RTC_DRV_SD3078 is not set

#
# SPI RTC drivers
#
# CONFIG_RTC_DRV_M41T93 is not set
# CONFIG_RTC_DRV_M41T94 is not set
# CONFIG_RTC_DRV_DS1302 is not set
# CONFIG_RTC_DRV_DS1305 is not set
# CONFIG_RTC_DRV_DS1343 is not set
# CONFIG_RTC_DRV_DS1347 is not set
# CONFIG_RTC_DRV_DS1390 is not set
# CONFIG_RTC_DRV_MAX6916 is not set
# CONFIG_RTC_DRV_R9701 is not set
# CONFIG_RTC_DRV_RX4581 is not set
# CONFIG_RTC_DRV_RS5C348 is not set
# CONFIG_RTC_DRV_MAX6902 is not set
# CONFIG_RTC_DRV_PCF2123 is not set
# CONFIG_RTC_DRV_MCP795 is not set
CONFIG_RTC_I2C_AND_SPI=y

#
# SPI and I2C RTC drivers
#
# CONFIG_RTC_DRV_DS3232 is not set
# CONFIG_RTC_DRV_PCF2127 is not set
# CONFIG_RTC_DRV_PCF85063 is not set
# CONFIG_RTC_DRV_RV3029C2 is not set
# CONFIG_RTC_DRV_RX6110 is not set

#
# Platform RTC drivers
#
CONFIG_RTC_DRV_CMOS=y
# CONFIG_RTC_DRV_DS1286 is not set
# CONFIG_RTC_DRV_DS1511 is not set
# CONFIG_RTC_DRV_DS1553 is not set
# CONFIG_RTC_DRV_DS1685_FAMILY is not set
# CONFIG_RTC_DRV_DS1742 is not set
# CONFIG_RTC_DRV_DS2404 is not set
# CONFIG_RTC_DRV_STK17TA8 is not set
# CONFIG_RTC_DRV_M48T86 is not set
# CONFIG_RTC_DRV_M48T35 is not set
# CONFIG_RTC_DRV_M48T59 is not set
# CONFIG_RTC_DRV_MSM6242 is not set
# CONFIG_RTC_DRV_RP5C01 is not set
# CONFIG_RTC_DRV_ZYNQMP is not set

#
# on-CPU RTC drivers
#
# CONFIG_RTC_DRV_CADENCE is not set
# CONFIG_RTC_DRV_FTRTC010 is not set
# CONFIG_RTC_DRV_R7301 is not set
# CONFIG_RTC_DRV_GOLDFISH is not set

#
# HID Sensor RTC drivers
#
CONFIG_RTC_DRV_HID_SENSOR_TIME=y
CONFIG_DMADEVICES=y
# CONFIG_DMADEVICES_DEBUG is not set

#
# DMA Devices
#
CONFIG_DMA_ENGINE=y
CONFIG_DMA_VIRTUAL_CHANNELS=y
CONFIG_DMA_ACPI=y
CONFIG_DMA_OF=y
# CONFIG_ALTERA_MSGDMA is not set
# CONFIG_DW_AXI_DMAC is not set
# CONFIG_FSL_EDMA is not set
CONFIG_INTEL_IDMA64=y
# CONFIG_INTEL_IDXD is not set
# CONFIG_INTEL_IDXD_COMPAT is not set
CONFIG_INTEL_IOATDMA=y
# CONFIG_PLX_DMA is not set
# CONFIG_XILINX_DMA is not set
# CONFIG_XILINX_XDMA is not set
# CONFIG_XILINX_ZYNQMP_DPDMA is not set
# CONFIG_AMD_PTDMA is not set
# CONFIG_AMD_QDMA is not set
# CONFIG_QCOM_HIDMA_MGMT is not set
# CONFIG_QCOM_HIDMA is not set
CONFIG_DW_DMAC_CORE=y
# CONFIG_DW_DMAC is not set
# CONFIG_DW_DMAC_PCI is not set
# CONFIG_DW_EDMA is not set
CONFIG_HSU_DMA=y
# CONFIG_SF_PDMA is not set
# CONFIG_INTEL_LDMA is not set

#
# DMA Clients
#
CONFIG_ASYNC_TX_DMA=y
# CONFIG_DMATEST is not set
CONFIG_DMA_ENGINE_RAID=y

#
# DMABUF options
#
CONFIG_SYNC_FILE=y
CONFIG_SW_SYNC=y
CONFIG_UDMABUF=y
CONFIG_DMABUF_MOVE_NOTIFY=y
# CONFIG_DMABUF_DEBUG is not set
# CONFIG_DMABUF_SELFTESTS is not set
CONFIG_DMABUF_HEAPS=y
CONFIG_DMABUF_HEAPS_SYSTEM=y
CONFIG_DMABUF_HEAPS_CMA=y
# end of DMABUF options

CONFIG_DCA=y
# CONFIG_UIO is not set
CONFIG_VFIO=y
CONFIG_VFIO_DEVICE_CDEV=y
# CONFIG_VFIO_GROUP is not set
CONFIG_VFIO_VIRQFD=y
# CONFIG_VFIO_DEBUGFS is not set

#
# VFIO support for PCI devices
#
CONFIG_VFIO_PCI_CORE=y
CONFIG_VFIO_PCI_INTX=y
CONFIG_VFIO_PCI=y
# CONFIG_VFIO_PCI_VGA is not set
# CONFIG_VFIO_PCI_IGD is not set
# CONFIG_VIRTIO_VFIO_PCI is not set
# end of VFIO support for PCI devices

CONFIG_IRQ_BYPASS_MANAGER=y
# CONFIG_VIRT_DRIVERS is not set
CONFIG_VIRTIO_ANCHOR=y
CONFIG_VIRTIO=y
CONFIG_VIRTIO_PCI_LIB=y
CONFIG_VIRTIO_PCI_LIB_LEGACY=y
CONFIG_VIRTIO_MENU=y
CONFIG_VIRTIO_PCI=y
CONFIG_VIRTIO_PCI_ADMIN_LEGACY=y
CONFIG_VIRTIO_PCI_LEGACY=y
CONFIG_VIRTIO_VDPA=y
CONFIG_VIRTIO_PMEM=y
CONFIG_VIRTIO_BALLOON=y
CONFIG_VIRTIO_MEM=y
CONFIG_VIRTIO_INPUT=y
CONFIG_VIRTIO_MMIO=y
CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
CONFIG_VIRTIO_DMA_SHARED_BUFFER=y
# CONFIG_VIRTIO_DEBUG is not set
# CONFIG_VIRTIO_RTC is not set
CONFIG_VDPA=y
CONFIG_VDPA_SIM=y
CONFIG_VDPA_SIM_NET=y
CONFIG_VDPA_SIM_BLOCK=y
# CONFIG_VDPA_USER is not set
# CONFIG_IFCVF is not set
# CONFIG_MLX5_VDPA_STEERING_DEBUG is not set
CONFIG_VP_VDPA=y
# CONFIG_ALIBABA_ENI_VDPA is not set
# CONFIG_SNET_VDPA is not set
# CONFIG_OCTEONEP_VDPA is not set
CONFIG_VHOST_IOTLB=y
CONFIG_VHOST_RING=y
CONFIG_VHOST_TASK=y
CONFIG_VHOST=y
CONFIG_VHOST_MENU=y
CONFIG_VHOST_NET=y
# CONFIG_VHOST_SCSI is not set
CONFIG_VHOST_VSOCK=y
CONFIG_VHOST_VDPA=y
CONFIG_VHOST_CROSS_ENDIAN_LEGACY=y
CONFIG_VHOST_ENABLE_FORK_OWNER_CONTROL=y

#
# Microsoft Hyper-V guest support
#
# CONFIG_HYPERV is not set
# end of Microsoft Hyper-V guest support

CONFIG_GREYBUS=y
# CONFIG_GREYBUS_BEAGLEPLAY is not set
CONFIG_GREYBUS_ES2=y
CONFIG_COMEDI=y
# CONFIG_COMEDI_DEBUG is not set
CONFIG_COMEDI_DEFAULT_BUF_SIZE_KB=2048
CONFIG_COMEDI_DEFAULT_BUF_MAXSIZE_KB=20480
CONFIG_COMEDI_MISC_DRIVERS=y
CONFIG_COMEDI_BOND=y
CONFIG_COMEDI_TEST=y
CONFIG_COMEDI_PARPORT=y
CONFIG_COMEDI_ISA_DRIVERS=y
CONFIG_COMEDI_PCL711=y
CONFIG_COMEDI_PCL724=y
CONFIG_COMEDI_PCL726=y
CONFIG_COMEDI_PCL730=y
CONFIG_COMEDI_PCL812=y
CONFIG_COMEDI_PCL816=y
CONFIG_COMEDI_PCL818=y
CONFIG_COMEDI_PCM3724=y
CONFIG_COMEDI_AMPLC_DIO200_ISA=y
CONFIG_COMEDI_AMPLC_PC236_ISA=y
CONFIG_COMEDI_AMPLC_PC263_ISA=y
CONFIG_COMEDI_RTI800=y
CONFIG_COMEDI_RTI802=y
CONFIG_COMEDI_DAC02=y
CONFIG_COMEDI_DAS16M1=y
CONFIG_COMEDI_DAS08_ISA=y
# CONFIG_COMEDI_DAS16 is not set
CONFIG_COMEDI_DAS800=y
CONFIG_COMEDI_DAS1800=y
CONFIG_COMEDI_DAS6402=y
CONFIG_COMEDI_DT2801=y
CONFIG_COMEDI_DT2811=y
CONFIG_COMEDI_DT2814=y
CONFIG_COMEDI_DT2815=y
CONFIG_COMEDI_DT2817=y
CONFIG_COMEDI_DT282X=y
CONFIG_COMEDI_DMM32AT=y
CONFIG_COMEDI_FL512=y
CONFIG_COMEDI_AIO_AIO12_8=y
CONFIG_COMEDI_AIO_IIRO_16=y
# CONFIG_COMEDI_II_PCI20KC is not set
CONFIG_COMEDI_C6XDIGIO=y
CONFIG_COMEDI_MPC624=y
CONFIG_COMEDI_ADQ12B=y
CONFIG_COMEDI_NI_AT_A2150=y
CONFIG_COMEDI_NI_AT_AO=y
# CONFIG_COMEDI_NI_ATMIO is not set
CONFIG_COMEDI_NI_ATMIO16D=y
CONFIG_COMEDI_NI_LABPC_ISA=y
CONFIG_COMEDI_PCMAD=y
CONFIG_COMEDI_PCMDA12=y
CONFIG_COMEDI_PCMMIO=y
CONFIG_COMEDI_PCMUIO=y
CONFIG_COMEDI_MULTIQ3=y
CONFIG_COMEDI_S526=y
CONFIG_COMEDI_PCI_DRIVERS=y
CONFIG_COMEDI_8255_PCI=y
# CONFIG_COMEDI_ADDI_APCI_1032 is not set
# CONFIG_COMEDI_ADDI_APCI_1500 is not set
# CONFIG_COMEDI_ADDI_APCI_1516 is not set
# CONFIG_COMEDI_ADDI_APCI_1564 is not set
# CONFIG_COMEDI_ADDI_APCI_16XX is not set
# CONFIG_COMEDI_ADDI_APCI_2032 is not set
# CONFIG_COMEDI_ADDI_APCI_2200 is not set
# CONFIG_COMEDI_ADDI_APCI_3120 is not set
# CONFIG_COMEDI_ADDI_APCI_3501 is not set
# CONFIG_COMEDI_ADDI_APCI_3XXX is not set
# CONFIG_COMEDI_ADL_PCI6208 is not set
# CONFIG_COMEDI_ADL_PCI7250 is not set
# CONFIG_COMEDI_ADL_PCI7X3X is not set
# CONFIG_COMEDI_ADL_PCI8164 is not set
# CONFIG_COMEDI_ADL_PCI9111 is not set
CONFIG_COMEDI_ADL_PCI9118=y
# CONFIG_COMEDI_ADV_PCI1710 is not set
# CONFIG_COMEDI_ADV_PCI1720 is not set
# CONFIG_COMEDI_ADV_PCI1723 is not set
# CONFIG_COMEDI_ADV_PCI1724 is not set
# CONFIG_COMEDI_ADV_PCI1760 is not set
# CONFIG_COMEDI_ADV_PCI_DIO is not set
# CONFIG_COMEDI_AMPLC_DIO200_PCI is not set
# CONFIG_COMEDI_AMPLC_PC236_PCI is not set
# CONFIG_COMEDI_AMPLC_PC263_PCI is not set
# CONFIG_COMEDI_AMPLC_PCI224 is not set
# CONFIG_COMEDI_AMPLC_PCI230 is not set
# CONFIG_COMEDI_CONTEC_PCI_DIO is not set
# CONFIG_COMEDI_DAS08_PCI is not set
# CONFIG_COMEDI_DT3000 is not set
# CONFIG_COMEDI_DYNA_PCI10XX is not set
# CONFIG_COMEDI_GSC_HPDI is not set
# CONFIG_COMEDI_MF6X4 is not set
# CONFIG_COMEDI_ICP_MULTI is not set
# CONFIG_COMEDI_DAQBOARD2000 is not set
# CONFIG_COMEDI_JR3_PCI is not set
# CONFIG_COMEDI_KE_COUNTER is not set
# CONFIG_COMEDI_CB_PCIDAS64 is not set
# CONFIG_COMEDI_CB_PCIDAS is not set
# CONFIG_COMEDI_CB_PCIDDA is not set
# CONFIG_COMEDI_CB_PCIMDAS is not set
# CONFIG_COMEDI_CB_PCIMDDA is not set
# CONFIG_COMEDI_ME4000 is not set
# CONFIG_COMEDI_ME_DAQ is not set
# CONFIG_COMEDI_NI_6527 is not set
# CONFIG_COMEDI_NI_65XX is not set
# CONFIG_COMEDI_NI_660X is not set
# CONFIG_COMEDI_NI_670X is not set
CONFIG_COMEDI_NI_LABPC_PCI=y
# CONFIG_COMEDI_NI_PCIDIO is not set
# CONFIG_COMEDI_NI_PCIMIO is not set
# CONFIG_COMEDI_RTD520 is not set
# CONFIG_COMEDI_S626 is not set
CONFIG_COMEDI_PCMCIA_DRIVERS=y
# CONFIG_COMEDI_CB_DAS16_CS is not set
# CONFIG_COMEDI_DAS08_CS is not set
CONFIG_COMEDI_NI_DAQ_700_CS=y
# CONFIG_COMEDI_NI_DAQ_DIO24_CS is not set
CONFIG_COMEDI_NI_LABPC_CS=y
# CONFIG_COMEDI_NI_MIO_CS is not set
# CONFIG_COMEDI_QUATECH_DAQP_CS is not set
CONFIG_COMEDI_USB_DRIVERS=y
CONFIG_COMEDI_DT9812=y
CONFIG_COMEDI_NI_USB6501=y
CONFIG_COMEDI_USBDUX=y
CONFIG_COMEDI_USBDUXFAST=y
CONFIG_COMEDI_USBDUXSIGMA=y
CONFIG_COMEDI_VMK80XX=y
CONFIG_COMEDI_8254=y
CONFIG_COMEDI_8255=y
CONFIG_COMEDI_8255_SA=y
CONFIG_COMEDI_KCOMEDILIB=y
CONFIG_COMEDI_AMPLC_DIO200=y
CONFIG_COMEDI_AMPLC_PC236=y
CONFIG_COMEDI_DAS08=y
CONFIG_COMEDI_ISADMA=y
CONFIG_COMEDI_NI_LABPC=y
CONFIG_COMEDI_NI_LABPC_ISADMA=y
# CONFIG_COMEDI_TESTS is not set
# CONFIG_GPIB is not set
CONFIG_STAGING=y
# CONFIG_RTL8723BS is not set

#
# IIO staging drivers
#

#
# Accelerometers
#
# CONFIG_ADIS16203 is not set
# end of Accelerometers

#
# Analog to digital converters
#
# CONFIG_AD7816 is not set
# end of Analog to digital converters

#
# Analog digital bi-direction converters
#
# CONFIG_ADT7316 is not set
# end of Analog digital bi-direction converters

#
# Direct Digital Synthesis
#
# CONFIG_AD9832 is not set
# CONFIG_AD9834 is not set
# end of Direct Digital Synthesis

#
# Network Analyzer, Impedance Converters
#
# CONFIG_AD5933 is not set
# end of Network Analyzer, Impedance Converters
# end of IIO staging drivers

# CONFIG_FB_SM750 is not set
# CONFIG_STAGING_MEDIA is not set
# CONFIG_FB_TFT is not set
# CONFIG_MOST_COMPONENTS is not set
# CONFIG_GREYBUS_AUDIO is not set
# CONFIG_GREYBUS_BOOTROM is not set
# CONFIG_GREYBUS_FIRMWARE is not set
CONFIG_GREYBUS_HID=y
# CONFIG_GREYBUS_LOG is not set
# CONFIG_GREYBUS_LOOPBACK is not set
# CONFIG_GREYBUS_POWER is not set
# CONFIG_GREYBUS_RAW is not set
# CONFIG_GREYBUS_VIBRATOR is not set
CONFIG_GREYBUS_BRIDGED_PHY=y
# CONFIG_GREYBUS_GPIO is not set
# CONFIG_GREYBUS_I2C is not set
# CONFIG_GREYBUS_SDIO is not set
# CONFIG_GREYBUS_SPI is not set
# CONFIG_GREYBUS_UART is not set
CONFIG_GREYBUS_USB=y
# CONFIG_XIL_AXIS_FIFO is not set
# CONFIG_VME_BUS is not set
# CONFIG_GOLDFISH is not set
# CONFIG_CHROME_PLATFORMS is not set
# CONFIG_MELLANOX_PLATFORM is not set
CONFIG_SURFACE_PLATFORMS=y
# CONFIG_SURFACE3_WMI is not set
# CONFIG_SURFACE_3_POWER_OPREGION is not set
# CONFIG_SURFACE_ACPI_NOTIFY is not set
# CONFIG_SURFACE_AGGREGATOR_CDEV is not set
# CONFIG_SURFACE_AGGREGATOR_HUB is not set
CONFIG_SURFACE_AGGREGATOR_REGISTRY=y
# CONFIG_SURFACE_AGGREGATOR_TABLET_SWITCH is not set
# CONFIG_SURFACE_DTX is not set
# CONFIG_SURFACE_GPE is not set
# CONFIG_SURFACE_HOTPLUG is not set
# CONFIG_SURFACE_PLATFORM_PROFILE is not set
# CONFIG_SURFACE_PRO3_BUTTON is not set
CONFIG_SURFACE_AGGREGATOR=y
CONFIG_SURFACE_AGGREGATOR_BUS=y
CONFIG_X86_PLATFORM_DEVICES=y
CONFIG_WMI_BMOF=y
# CONFIG_HUAWEI_WMI is not set
# CONFIG_X86_PLATFORM_DRIVERS_UNIWILL is not set
# CONFIG_MXM_WMI is not set
# CONFIG_NVIDIA_WMI_EC_BACKLIGHT is not set
# CONFIG_XIAOMI_WMI is not set
# CONFIG_REDMI_WMI is not set
# CONFIG_GIGABYTE_WMI is not set
# CONFIG_ACERHDF is not set
# CONFIG_ACER_WIRELESS is not set
# CONFIG_ACER_WMI is not set

#
# AMD HSMP Driver
#
# CONFIG_AMD_HSMP_ACPI is not set
# CONFIG_AMD_HSMP_PLAT is not set
# end of AMD HSMP Driver

# CONFIG_AMD_PMC is not set
# CONFIG_AMD_HFI is not set
# CONFIG_AMD_3D_VCACHE is not set
# CONFIG_AMD_WBRF is not set
# CONFIG_AMD_ISP_PLATFORM is not set
# CONFIG_ADV_SWBUTTON is not set
# CONFIG_APPLE_GMUX is not set
# CONFIG_ASUS_LAPTOP is not set
# CONFIG_ASUS_WIRELESS is not set
# CONFIG_ASUS_ARMOURY is not set
CONFIG_ASUS_WMI=y
# CONFIG_ASUS_WMI_DEPRECATED_ATTRS is not set
# CONFIG_ASUS_NB_WMI is not set
CONFIG_ASUS_TF103C_DOCK=y
# CONFIG_AYANEO_EC is not set
CONFIG_EEEPC_LAPTOP=y
# CONFIG_EEEPC_WMI is not set
# CONFIG_X86_PLATFORM_DRIVERS_DELL is not set
# CONFIG_AMILO_RFKILL is not set
# CONFIG_FUJITSU_LAPTOP is not set
# CONFIG_FUJITSU_TABLET is not set
# CONFIG_GPD_POCKET_FAN is not set
# CONFIG_X86_PLATFORM_DRIVERS_HP is not set
# CONFIG_WIRELESS_HOTKEY is not set
# CONFIG_IBM_RTL is not set
# CONFIG_SENSORS_HDAPS is not set
# CONFIG_INTEL_ATOMISP2_PM is not set
# CONFIG_INTEL_IFS is not set
# CONFIG_INTEL_SAR_INT1092 is not set
# CONFIG_INTEL_SKL_INT3472 is not set

#
# Intel Speed Select Technology interface support
#
# CONFIG_INTEL_SPEED_SELECT_INTERFACE is not set
# end of Intel Speed Select Technology interface support

# CONFIG_INTEL_WMI_SBL_FW_UPDATE is not set
# CONFIG_INTEL_WMI_THUNDERBOLT is not set

#
# Intel Uncore Frequency Control
#
# CONFIG_INTEL_UNCORE_FREQ_CONTROL is not set
# end of Intel Uncore Frequency Control

# CONFIG_INTEL_HID_EVENT is not set
# CONFIG_INTEL_VBTN is not set
# CONFIG_INTEL_EHL_PSE_IO is not set
# CONFIG_INTEL_INT0002_VGPIO is not set
# CONFIG_INTEL_OAKTRAIL is not set
# CONFIG_INTEL_BXTWC_PMIC_TMU is not set
CONFIG_INTEL_CHTWC_INT33FE=y
CONFIG_INTEL_ISHTP_ECLITE=y
# CONFIG_INTEL_PUNIT_IPC is not set
# CONFIG_INTEL_RST is not set
# CONFIG_INTEL_SMARTCONNECT is not set
# CONFIG_INTEL_TURBO_MAX_3 is not set
# CONFIG_INTEL_VSEC is not set
# CONFIG_IDEAPAD_LAPTOP is not set
# CONFIG_LENOVO_WMI_HOTKEY_UTILITIES is not set
# CONFIG_LENOVO_WMI_CAMERA is not set
# CONFIG_THINKPAD_ACPI is not set
# CONFIG_THINKPAD_LMI is not set
# CONFIG_YOGABOOK is not set
# CONFIG_YT2_1380 is not set
# CONFIG_LENOVO_WMI_GAMEZONE is not set
# CONFIG_LENOVO_WMI_TUNING is not set
# CONFIG_ACPI_QUICKSTART is not set
# CONFIG_MEEGOPAD_ANX7428 is not set
# CONFIG_MSI_EC is not set
# CONFIG_MSI_LAPTOP is not set
# CONFIG_MSI_WMI is not set
# CONFIG_MSI_WMI_PLATFORM is not set
# CONFIG_PCENGINES_APU2 is not set
# CONFIG_PORTWELL_EC is not set
# CONFIG_BARCO_P50_GPIO is not set
# CONFIG_SAMSUNG_GALAXYBOOK is not set
# CONFIG_SAMSUNG_LAPTOP is not set
# CONFIG_SAMSUNG_Q10 is not set
# CONFIG_ACPI_TOSHIBA is not set
# CONFIG_TOSHIBA_BT_RFKILL is not set
# CONFIG_TOSHIBA_HAPS is not set
# CONFIG_TOSHIBA_WMI is not set
# CONFIG_ACPI_CMPC is not set
# CONFIG_COMPAL_LAPTOP is not set
# CONFIG_LG_LAPTOP is not set
# CONFIG_PANASONIC_LAPTOP is not set
# CONFIG_SONY_LAPTOP is not set
# CONFIG_SYSTEM76_ACPI is not set
# CONFIG_TOPSTAR_LAPTOP is not set
# CONFIG_SERIAL_MULTI_INSTANTIATE is not set
# CONFIG_INSPUR_PLATFORM_PROFILE is not set
# CONFIG_DASHARO_ACPI is not set
# CONFIG_INTEL_IPS is not set
CONFIG_INTEL_SCU_IPC=y
# CONFIG_INTEL_SCU_PCI is not set
# CONFIG_INTEL_SCU_PLATFORM is not set
# CONFIG_SIEMENS_SIMATIC_IPC is not set
# CONFIG_SILICOM_PLATFORM is not set
# CONFIG_WINMATE_FM07_KEYS is not set
# CONFIG_OXP_EC is not set
# CONFIG_TUXEDO_NB04_WMI_AB is not set
CONFIG_P2SB=y
CONFIG_ACPI_WMI=y
# CONFIG_ACPI_WMI_LEGACY_DEVICE_NAMES is not set
CONFIG_HAVE_CLK=y
CONFIG_HAVE_CLK_PREPARE=y
CONFIG_COMMON_CLK=y
# CONFIG_LMK04832 is not set
# CONFIG_COMMON_CLK_MAX9485 is not set
# CONFIG_COMMON_CLK_SI5341 is not set
# CONFIG_COMMON_CLK_SI5351 is not set
# CONFIG_COMMON_CLK_SI514 is not set
# CONFIG_COMMON_CLK_SI544 is not set
# CONFIG_COMMON_CLK_SI570 is not set
# CONFIG_COMMON_CLK_CDCE706 is not set
# CONFIG_COMMON_CLK_CDCE925 is not set
# CONFIG_COMMON_CLK_CS2000_CP is not set
# CONFIG_CLK_TWL is not set
# CONFIG_COMMON_CLK_AXI_CLKGEN is not set
# CONFIG_COMMON_CLK_RS9_PCIE is not set
# CONFIG_COMMON_CLK_SI521XX is not set
# CONFIG_COMMON_CLK_VC3 is not set
# CONFIG_COMMON_CLK_VC5 is not set
# CONFIG_COMMON_CLK_VC7 is not set
# CONFIG_COMMON_CLK_FIXED_MMIO is not set
# CONFIG_CLK_LGM_CGU is not set
# CONFIG_XILINX_VCU is not set
# CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set
# CONFIG_HWSPINLOCK is not set

#
# Clock Source drivers
#
CONFIG_CLKEVT_I8253=y
CONFIG_I8253_LOCK=y
CONFIG_CLKBLD_I8253=y
# end of Clock Source drivers

CONFIG_MAILBOX=y
# CONFIG_PLATFORM_MHU is not set
CONFIG_PCC=y
# CONFIG_ALTERA_MBOX is not set
# CONFIG_MAILBOX_TEST is not set
CONFIG_IOMMU_IOVA=y
CONFIG_IOMMU_API=y
CONFIG_IOMMUFD_DRIVER=y
CONFIG_IOMMU_SUPPORT=y

#
# Generic IOMMU Pagetable Support
#
# end of Generic IOMMU Pagetable Support

# CONFIG_IOMMU_DEBUGFS is not set
# CONFIG_IOMMU_DEFAULT_DMA_STRICT is not set
CONFIG_IOMMU_DEFAULT_DMA_LAZY=y
# CONFIG_IOMMU_DEFAULT_PASSTHROUGH is not set
CONFIG_OF_IOMMU=y
CONFIG_IOMMU_DMA=y
CONFIG_IOMMU_SVA=y
CONFIG_IOMMU_IOPF=y
CONFIG_AMD_IOMMU=y
# CONFIG_AMD_IOMMU_IOMMUFD is not set
CONFIG_DMAR_TABLE=y
CONFIG_INTEL_IOMMU=y
CONFIG_INTEL_IOMMU_SVM=y
CONFIG_INTEL_IOMMU_DEFAULT_ON=y
CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON=y
CONFIG_INTEL_IOMMU_PERF_EVENTS=y
CONFIG_IOMMUFD_DRIVER_CORE=y
CONFIG_IOMMUFD=y
CONFIG_IOMMUFD_TEST=y
CONFIG_IRQ_REMAP=y
# CONFIG_VIRTIO_IOMMU is not set
CONFIG_GENERIC_PT=y
CONFIG_DEBUG_GENERIC_PT=y
CONFIG_IOMMU_PT=y
CONFIG_IOMMU_PT_AMDV1=y
CONFIG_IOMMU_PT_VTDSS=y
CONFIG_IOMMU_PT_X86_64=y

#
# Remoteproc drivers
#
# CONFIG_REMOTEPROC is not set
# end of Remoteproc drivers

#
# Rpmsg drivers
#
# CONFIG_RPMSG_QCOM_GLINK_RPM is not set
# CONFIG_RPMSG_VIRTIO is not set
# end of Rpmsg drivers

CONFIG_SOUNDWIRE=y

#
# SoundWire Devices
#
# CONFIG_SOUNDWIRE_AMD is not set
# CONFIG_SOUNDWIRE_INTEL is not set
# CONFIG_SOUNDWIRE_QCOM is not set

#
# SOC (System On Chip) specific Drivers
#

#
# Amlogic SoC drivers
#
# end of Amlogic SoC drivers

#
# Broadcom SoC drivers
#
# end of Broadcom SoC drivers

#
# NXP/Freescale QorIQ SoC drivers
#
# end of NXP/Freescale QorIQ SoC drivers

#
# fujitsu SoC drivers
#
# end of fujitsu SoC drivers

#
# i.MX SoC drivers
#
# end of i.MX SoC drivers

#
# Enable LiteX SoC Builder specific drivers
#
# CONFIG_LITEX_SOC_CONTROLLER is not set
# end of Enable LiteX SoC Builder specific drivers

# CONFIG_WPCM450_SOC is not set

#
# Qualcomm SoC drivers
#
CONFIG_QCOM_QMI_HELPERS=y
# end of Qualcomm SoC drivers

# CONFIG_SOC_TI is not set

#
# Xilinx SoC drivers
#
# end of Xilinx SoC drivers
# end of SOC (System On Chip) specific Drivers

#
# PM Domains
#

#
# Amlogic PM Domains
#
# end of Amlogic PM Domains

#
# Broadcom PM Domains
#
# end of Broadcom PM Domains

#
# i.MX PM Domains
#
# end of i.MX PM Domains

#
# Qualcomm PM Domains
#
# end of Qualcomm PM Domains
# end of PM Domains

# CONFIG_PM_DEVFREQ is not set
CONFIG_EXTCON=y

#
# Extcon Device Drivers
#
# CONFIG_EXTCON_ADC_JACK is not set
# CONFIG_EXTCON_FSA9480 is not set
# CONFIG_EXTCON_GPIO is not set
# CONFIG_EXTCON_INTEL_INT3496 is not set
CONFIG_EXTCON_INTEL_CHT_WC=y
# CONFIG_EXTCON_LC824206XA is not set
# CONFIG_EXTCON_MAX3355 is not set
# CONFIG_EXTCON_MAX14526 is not set
CONFIG_EXTCON_PTN5150=y
# CONFIG_EXTCON_RT8973A is not set
# CONFIG_EXTCON_SM5502 is not set
# CONFIG_EXTCON_USB_GPIO is not set
CONFIG_EXTCON_USBC_TUSB320=y
# CONFIG_MEMORY is not set
CONFIG_IIO=y
CONFIG_IIO_BUFFER=y
# CONFIG_IIO_BUFFER_CB is not set
# CONFIG_IIO_BUFFER_DMA is not set
# CONFIG_IIO_BUFFER_DMAENGINE is not set
# CONFIG_IIO_BUFFER_HW_CONSUMER is not set
CONFIG_IIO_KFIFO_BUF=y
CONFIG_IIO_TRIGGERED_BUFFER=y
# CONFIG_IIO_CONFIGFS is not set
CONFIG_IIO_TRIGGER=y
CONFIG_IIO_CONSUMERS_PER_TRIGGER=2
# CONFIG_IIO_SW_DEVICE is not set
# CONFIG_IIO_SW_TRIGGER is not set
# CONFIG_IIO_TRIGGERED_EVENT is not set

#
# Accelerometers
#
# CONFIG_ADIS16201 is not set
# CONFIG_ADIS16209 is not set
# CONFIG_ADXL313_I2C is not set
# CONFIG_ADXL313_SPI is not set
# CONFIG_ADXL345_I2C is not set
# CONFIG_ADXL345_SPI is not set
# CONFIG_ADXL355_I2C is not set
# CONFIG_ADXL355_SPI is not set
# CONFIG_ADXL367_SPI is not set
# CONFIG_ADXL367_I2C is not set
# CONFIG_ADXL372_SPI is not set
# CONFIG_ADXL372_I2C is not set
# CONFIG_ADXL380_SPI is not set
# CONFIG_ADXL380_I2C is not set
# CONFIG_BMA180 is not set
# CONFIG_BMA220 is not set
# CONFIG_BMA400 is not set
# CONFIG_BMC150_ACCEL is not set
# CONFIG_BMI088_ACCEL is not set
# CONFIG_DA280 is not set
# CONFIG_DA311 is not set
# CONFIG_DMARD06 is not set
# CONFIG_DMARD09 is not set
# CONFIG_DMARD10 is not set
# CONFIG_FXLS8962AF_I2C is not set
# CONFIG_FXLS8962AF_SPI is not set
CONFIG_HID_SENSOR_ACCEL_3D=y
# CONFIG_IIO_ST_ACCEL_3AXIS is not set
# CONFIG_IIO_KX022A_SPI is not set
# CONFIG_IIO_KX022A_I2C is not set
# CONFIG_KXSD9 is not set
# CONFIG_KXCJK1013 is not set
# CONFIG_MC3230 is not set
# CONFIG_MMA7455_I2C is not set
# CONFIG_MMA7455_SPI is not set
# CONFIG_MMA7660 is not set
# CONFIG_MMA8452 is not set
# CONFIG_MMA9551 is not set
# CONFIG_MMA9553 is not set
# CONFIG_MSA311 is not set
# CONFIG_MXC4005 is not set
# CONFIG_MXC6255 is not set
# CONFIG_SCA3000 is not set
# CONFIG_SCA3300 is not set
# CONFIG_STK8312 is not set
# CONFIG_STK8BA50 is not set
# end of Accelerometers

#
# Analog to digital converters
#
# CONFIG_AD4000 is not set
# CONFIG_AD4030 is not set
# CONFIG_AD4080 is not set
# CONFIG_AD4130 is not set
# CONFIG_AD4134 is not set
# CONFIG_AD4170_4 is not set
# CONFIG_AD4695 is not set
# CONFIG_AD7091R5 is not set
# CONFIG_AD7091R8 is not set
# CONFIG_AD7124 is not set
# CONFIG_AD7173 is not set
# CONFIG_AD7191 is not set
# CONFIG_AD7192 is not set
# CONFIG_AD7266 is not set
# CONFIG_AD7280 is not set
# CONFIG_AD7291 is not set
# CONFIG_AD7292 is not set
# CONFIG_AD7298 is not set
# CONFIG_AD7380 is not set
# CONFIG_AD7476 is not set
# CONFIG_AD7606_IFACE_PARALLEL is not set
# CONFIG_AD7606_IFACE_SPI is not set
# CONFIG_AD7766 is not set
# CONFIG_AD7768_1 is not set
# CONFIG_AD7779 is not set
# CONFIG_AD7780 is not set
# CONFIG_AD7791 is not set
# CONFIG_AD7793 is not set
# CONFIG_AD7887 is not set
# CONFIG_AD7923 is not set
# CONFIG_AD7944 is not set
# CONFIG_AD7949 is not set
# CONFIG_AD799X is not set
# CONFIG_AD9467 is not set
# CONFIG_ADE9000 is not set
# CONFIG_CC10001_ADC is not set
CONFIG_DLN2_ADC=y
# CONFIG_ENVELOPE_DETECTOR is not set
# CONFIG_GEHC_PMC_ADC is not set
# CONFIG_HI8435 is not set
# CONFIG_HX711 is not set
# CONFIG_INA2XX_ADC is not set
# CONFIG_LTC2309 is not set
# CONFIG_LTC2471 is not set
# CONFIG_LTC2485 is not set
# CONFIG_LTC2496 is not set
# CONFIG_LTC2497 is not set
# CONFIG_MAX1027 is not set
# CONFIG_MAX11100 is not set
# CONFIG_MAX1118 is not set
# CONFIG_MAX11205 is not set
# CONFIG_MAX11410 is not set
# CONFIG_MAX1241 is not set
# CONFIG_MAX1363 is not set
# CONFIG_MAX14001 is not set
# CONFIG_MAX34408 is not set
# CONFIG_MAX9611 is not set
# CONFIG_MCP320X is not set
# CONFIG_MCP3422 is not set
# CONFIG_MCP3564 is not set
# CONFIG_MCP3911 is not set
# CONFIG_MEDIATEK_MT6360_ADC is not set
# CONFIG_MEDIATEK_MT6370_ADC is not set
# CONFIG_NAU7802 is not set
# CONFIG_NCT7201 is not set
# CONFIG_PAC1921 is not set
# CONFIG_PAC1934 is not set
# CONFIG_ROHM_BD79112 is not set
# CONFIG_ROHM_BD79124 is not set
# CONFIG_RICHTEK_RTQ6056 is not set
# CONFIG_SD_ADC_MODULATOR is not set
# CONFIG_TI_ADC081C is not set
# CONFIG_TI_ADC0832 is not set
# CONFIG_TI_ADC084S021 is not set
# CONFIG_TI_ADC108S102 is not set
# CONFIG_TI_ADC12138 is not set
# CONFIG_TI_ADC128S052 is not set
# CONFIG_TI_ADC161S626 is not set
# CONFIG_TI_ADS1015 is not set
# CONFIG_TI_ADS1018 is not set
# CONFIG_TI_ADS1100 is not set
# CONFIG_TI_ADS1119 is not set
# CONFIG_TI_ADS124S08 is not set
# CONFIG_TI_ADS1298 is not set
# CONFIG_TI_ADS131E08 is not set
# CONFIG_TI_ADS131M02 is not set
# CONFIG_TI_ADS7138 is not set
# CONFIG_TI_ADS7924 is not set
# CONFIG_TI_ADS7950 is not set
# CONFIG_TI_ADS8344 is not set
# CONFIG_TI_ADS8688 is not set
# CONFIG_TI_LMP92064 is not set
# CONFIG_TI_TLC4541 is not set
# CONFIG_TI_TSC2046 is not set
# CONFIG_TWL4030_MADC is not set
# CONFIG_TWL6030_GPADC is not set
# CONFIG_VF610_ADC is not set
CONFIG_VIPERBOARD_ADC=y
# CONFIG_XILINX_XADC is not set
# end of Analog to digital converters

#
# Analog to digital and digital to analog converters
#
# CONFIG_AD74115 is not set
# CONFIG_AD74413R is not set
# end of Analog to digital and digital to analog converters

#
# Analog Front Ends
#
# CONFIG_IIO_RESCALE is not set
# end of Analog Front Ends

#
# Amplifiers
#
# CONFIG_AD8366 is not set
# CONFIG_ADA4250 is not set
# CONFIG_ADL8113 is not set
# CONFIG_HMC425 is not set
# end of Amplifiers

#
# Capacitance to digital converters
#
# CONFIG_AD7150 is not set
# CONFIG_AD7746 is not set
# end of Capacitance to digital converters

#
# Chemical Sensors
#
# CONFIG_AOSONG_AGS02MA is not set
# CONFIG_ATLAS_PH_SENSOR is not set
# CONFIG_ATLAS_EZO_SENSOR is not set
# CONFIG_BME680 is not set
# CONFIG_CCS811 is not set
# CONFIG_ENS160 is not set
# CONFIG_IAQCORE is not set
# CONFIG_MHZ19B is not set
# CONFIG_PMS7003 is not set
# CONFIG_SCD30_CORE is not set
# CONFIG_SCD4X is not set
# CONFIG_SEN0322 is not set
# CONFIG_SENSIRION_SGP30 is not set
# CONFIG_SENSIRION_SGP40 is not set
# CONFIG_SPS30_I2C is not set
# CONFIG_SPS30_SERIAL is not set
# CONFIG_SENSEAIR_SUNRISE_CO2 is not set
# CONFIG_VZ89X is not set
# end of Chemical Sensors

#
# Hid Sensor IIO Common
#
CONFIG_HID_SENSOR_IIO_COMMON=y
CONFIG_HID_SENSOR_IIO_TRIGGER=y
# end of Hid Sensor IIO Common

#
# IIO SCMI Sensors
#
# end of IIO SCMI Sensors

#
# SSP Sensor Common
#
# CONFIG_IIO_SSP_SENSORHUB is not set
# end of SSP Sensor Common

#
# Digital to analog converters
#
# CONFIG_AD3530R is not set
# CONFIG_AD3552R_HS is not set
# CONFIG_AD3552R is not set
# CONFIG_AD5064 is not set
# CONFIG_AD5360 is not set
# CONFIG_AD5380 is not set
# CONFIG_AD5421 is not set
# CONFIG_AD5446_SPI is not set
# CONFIG_AD5446_I2C is not set
# CONFIG_AD5449 is not set
# CONFIG_AD5592R is not set
# CONFIG_AD5593R is not set
# CONFIG_AD5504 is not set
# CONFIG_AD5624R_SPI is not set
# CONFIG_AD9739A is not set
# CONFIG_LTC2688 is not set
# CONFIG_AD5686_SPI is not set
# CONFIG_AD5696_I2C is not set
# CONFIG_AD5755 is not set
# CONFIG_AD5758 is not set
# CONFIG_AD5761 is not set
# CONFIG_AD5764 is not set
# CONFIG_AD5766 is not set
# CONFIG_AD5770R is not set
# CONFIG_AD5791 is not set
# CONFIG_AD7293 is not set
# CONFIG_AD7303 is not set
# CONFIG_AD8460 is not set
# CONFIG_AD8801 is not set
# CONFIG_BD79703 is not set
# CONFIG_CIO_DAC is not set
# CONFIG_DPOT_DAC is not set
# CONFIG_DS4424 is not set
# CONFIG_LTC1660 is not set
# CONFIG_LTC2632 is not set
# CONFIG_LTC2664 is not set
# CONFIG_M62332 is not set
# CONFIG_MAX517 is not set
# CONFIG_MAX22007 is not set
# CONFIG_MAX5522 is not set
# CONFIG_MAX5821 is not set
# CONFIG_MCP4725 is not set
# CONFIG_MCP4728 is not set
# CONFIG_MCP47FEB02 is not set
# CONFIG_MCP4821 is not set
# CONFIG_MCP4922 is not set
# CONFIG_TI_DAC082S085 is not set
# CONFIG_TI_DAC5571 is not set
# CONFIG_TI_DAC7311 is not set
# CONFIG_TI_DAC7612 is not set
# CONFIG_VF610_DAC is not set
# end of Digital to analog converters

#
# IIO dummy driver
#
# end of IIO dummy driver

#
# Filters
#
# CONFIG_ADMV8818 is not set
# end of Filters

#
# Frequency Synthesizers DDS/PLL
#

#
# Clock Generator/Distribution
#
# CONFIG_AD9523 is not set
# end of Clock Generator/Distribution

#
# Phase-Locked Loop (PLL) frequency synthesizers
#
# CONFIG_ADF4350 is not set
# CONFIG_ADF4371 is not set
# CONFIG_ADF4377 is not set
# CONFIG_ADMFM2000 is not set
# CONFIG_ADMV1013 is not set
# CONFIG_ADMV1014 is not set
# CONFIG_ADMV4420 is not set
# CONFIG_ADRF6780 is not set
# end of Phase-Locked Loop (PLL) frequency synthesizers
# end of Frequency Synthesizers DDS/PLL

#
# Digital gyroscope sensors
#
# CONFIG_ADIS16080 is not set
# CONFIG_ADIS16130 is not set
# CONFIG_ADIS16136 is not set
# CONFIG_ADIS16260 is not set
# CONFIG_ADXRS290 is not set
# CONFIG_ADXRS450 is not set
# CONFIG_BMG160 is not set
# CONFIG_FXAS21002C is not set
CONFIG_HID_SENSOR_GYRO_3D=y
# CONFIG_MPU3050_I2C is not set
# CONFIG_IIO_ST_GYRO_3AXIS is not set
# CONFIG_ITG3200 is not set
# end of Digital gyroscope sensors

#
# Health Sensors
#

#
# Heart Rate Monitors
#
# CONFIG_AFE4403 is not set
# CONFIG_AFE4404 is not set
# CONFIG_MAX30100 is not set
# CONFIG_MAX30102 is not set
# end of Heart Rate Monitors
# end of Health Sensors

#
# Humidity sensors
#
# CONFIG_AM2315 is not set
# CONFIG_DHT11 is not set
# CONFIG_ENS210 is not set
# CONFIG_HDC100X is not set
# CONFIG_HDC2010 is not set
# CONFIG_HDC3020 is not set
CONFIG_HID_SENSOR_HUMIDITY=y
# CONFIG_HTS221 is not set
# CONFIG_HTU21 is not set
# CONFIG_SI7005 is not set
# CONFIG_SI7020 is not set
# end of Humidity sensors

#
# Inertial measurement units
#
# CONFIG_ADIS16400 is not set
# CONFIG_ADIS16460 is not set
# CONFIG_ADIS16475 is not set
# CONFIG_ADIS16480 is not set
# CONFIG_ADIS16550 is not set
# CONFIG_BMI160_I2C is not set
# CONFIG_BMI160_SPI is not set
# CONFIG_BMI270_I2C is not set
# CONFIG_BMI270_SPI is not set
# CONFIG_BMI323_I2C is not set
# CONFIG_BMI323_SPI is not set
# CONFIG_BOSCH_BNO055_SERIAL is not set
# CONFIG_BOSCH_BNO055_I2C is not set
# CONFIG_FXOS8700_I2C is not set
# CONFIG_FXOS8700_SPI is not set
# CONFIG_KMX61 is not set
# CONFIG_INV_ICM42600_I2C is not set
# CONFIG_INV_ICM42600_SPI is not set
# CONFIG_INV_ICM45600_I2C is not set
# CONFIG_INV_ICM45600_SPI is not set
# CONFIG_INV_MPU6050_I2C is not set
# CONFIG_INV_MPU6050_SPI is not set
# CONFIG_SMI240 is not set
# CONFIG_SMI330_I2C is not set
# CONFIG_SMI330_SPI is not set
# CONFIG_IIO_ST_LSM6DSX is not set
# CONFIG_IIO_ST_LSM9DS0 is not set
# end of Inertial measurement units

#
# Light sensors
#
# CONFIG_ACPI_ALS is not set
# CONFIG_ADJD_S311 is not set
# CONFIG_ADUX1020 is not set
# CONFIG_AL3000A is not set
# CONFIG_AL3010 is not set
# CONFIG_AL3320A is not set
# CONFIG_APDS9160 is not set
# CONFIG_APDS9300 is not set
# CONFIG_APDS9306 is not set
# CONFIG_APDS9960 is not set
# CONFIG_AS73211 is not set
# CONFIG_BH1745 is not set
# CONFIG_BH1750 is not set
# CONFIG_BH1780 is not set
# CONFIG_CM32181 is not set
# CONFIG_CM3232 is not set
# CONFIG_CM3323 is not set
# CONFIG_CM3605 is not set
# CONFIG_CM36651 is not set
# CONFIG_GP2AP002 is not set
# CONFIG_GP2AP020A00F is not set
# CONFIG_SENSORS_ISL29018 is not set
# CONFIG_SENSORS_ISL29028 is not set
# CONFIG_ISL29125 is not set
# CONFIG_ISL76682 is not set
CONFIG_HID_SENSOR_ALS=y
CONFIG_HID_SENSOR_PROX=y
# CONFIG_JSA1212 is not set
# CONFIG_ROHM_BU27034 is not set
# CONFIG_RPR0521 is not set
# CONFIG_LTR390 is not set
# CONFIG_LTR501 is not set
# CONFIG_LTRF216A is not set
# CONFIG_LV0104CS is not set
# CONFIG_MAX44000 is not set
# CONFIG_MAX44009 is not set
# CONFIG_NOA1305 is not set
# CONFIG_OPT3001 is not set
# CONFIG_OPT4001 is not set
# CONFIG_OPT4060 is not set
# CONFIG_PA12203001 is not set
# CONFIG_SI1133 is not set
# CONFIG_SI1145 is not set
# CONFIG_STK3310 is not set
# CONFIG_ST_UVIS25 is not set
# CONFIG_TCS3414 is not set
# CONFIG_TCS3472 is not set
# CONFIG_SENSORS_TSL2563 is not set
# CONFIG_TSL2583 is not set
# CONFIG_TSL2591 is not set
# CONFIG_TSL2772 is not set
# CONFIG_TSL4531 is not set
# CONFIG_US5182D is not set
# CONFIG_VCNL4000 is not set
# CONFIG_VCNL4035 is not set
# CONFIG_VEML3235 is not set
# CONFIG_VEML6030 is not set
# CONFIG_VEML6040 is not set
# CONFIG_VEML6046X00 is not set
# CONFIG_VEML6070 is not set
# CONFIG_VEML6075 is not set
# CONFIG_VL6180 is not set
# CONFIG_ZOPT2201 is not set
# end of Light sensors

#
# Magnetometer sensors
#
# CONFIG_AF8133J is not set
# CONFIG_AK8974 is not set
# CONFIG_AK8975 is not set
# CONFIG_AK09911 is not set
# CONFIG_ALS31300 is not set
# CONFIG_BMC150_MAGN_I2C is not set
# CONFIG_BMC150_MAGN_SPI is not set
# CONFIG_MAG3110 is not set
CONFIG_HID_SENSOR_MAGNETOMETER_3D=y
# CONFIG_MMC35240 is not set
# CONFIG_MMC5633 is not set
# CONFIG_IIO_ST_MAGN_3AXIS is not set
# CONFIG_INFINEON_TLV493D is not set
# CONFIG_SENSORS_HMC5843_I2C is not set
# CONFIG_SENSORS_HMC5843_SPI is not set
# CONFIG_SENSORS_RM3100_I2C is not set
# CONFIG_SENSORS_RM3100_SPI is not set
# CONFIG_SI7210 is not set
# CONFIG_TI_TMAG5273 is not set
# CONFIG_YAMAHA_YAS530 is not set
# end of Magnetometer sensors

#
# Multiplexers
#
# CONFIG_IIO_MUX is not set
# end of Multiplexers

#
# Inclinometer sensors
#
CONFIG_HID_SENSOR_INCLINOMETER_3D=y
CONFIG_HID_SENSOR_DEVICE_ROTATION=y
# end of Inclinometer sensors

#
# Triggers - standalone
#
# CONFIG_IIO_INTERRUPT_TRIGGER is not set
# CONFIG_IIO_SYSFS_TRIGGER is not set
# end of Triggers - standalone

#
# Linear and angular position sensors
#
CONFIG_HID_SENSOR_CUSTOM_INTEL_HINGE=y
# end of Linear and angular position sensors

#
# Digital potentiometers
#
# CONFIG_AD5110 is not set
# CONFIG_AD5272 is not set
# CONFIG_DS1803 is not set
# CONFIG_MAX5432 is not set
# CONFIG_MAX5481 is not set
# CONFIG_MAX5487 is not set
# CONFIG_MCP4018 is not set
# CONFIG_MCP4131 is not set
# CONFIG_MCP4531 is not set
# CONFIG_MCP41010 is not set
# CONFIG_TPL0102 is not set
# CONFIG_X9250 is not set
# end of Digital potentiometers

#
# Digital potentiostats
#
# CONFIG_LMP91000 is not set
# end of Digital potentiostats

#
# Pressure sensors
#
# CONFIG_ABP060MG is not set
# CONFIG_ABP2030PA_I2C is not set
# CONFIG_ABP2030PA_SPI is not set
# CONFIG_ROHM_BM1390 is not set
# CONFIG_BMP280 is not set
# CONFIG_DLHL60D is not set
# CONFIG_DPS310 is not set
CONFIG_HID_SENSOR_PRESS=y
# CONFIG_HP03 is not set
# CONFIG_HSC030PA is not set
# CONFIG_ICP10100 is not set
# CONFIG_MPL115_I2C is not set
# CONFIG_MPL115_SPI is not set
# CONFIG_MPL3115 is not set
# CONFIG_MPRLS0025PA_I2C is not set
# CONFIG_MPRLS0025PA_SPI is not set
# CONFIG_MS5611 is not set
# CONFIG_MS5637 is not set
# CONFIG_SDP500 is not set
# CONFIG_IIO_ST_PRESS is not set
# CONFIG_T5403 is not set
# CONFIG_HP206C is not set
# CONFIG_ZPA2326 is not set
# CONFIG_ADP810 is not set
# end of Pressure sensors

#
# Lightning sensors
#
# CONFIG_AS3935 is not set
# end of Lightning sensors

#
# Proximity and distance sensors
#
# CONFIG_D3323AA is not set
# CONFIG_HX9023S is not set
# CONFIG_IRSD200 is not set
# CONFIG_ISL29501 is not set
# CONFIG_LIDAR_LITE_V2 is not set
# CONFIG_MB1232 is not set
# CONFIG_PING is not set
# CONFIG_RFD77402 is not set
# CONFIG_SRF04 is not set
# CONFIG_SX9310 is not set
# CONFIG_SX9324 is not set
# CONFIG_SX9360 is not set
# CONFIG_SX9500 is not set
# CONFIG_SRF08 is not set
# CONFIG_VCNL3020 is not set
# CONFIG_VL53L0X_I2C is not set
# CONFIG_AW96103 is not set
# end of Proximity and distance sensors

#
# Resolver to digital converters
#
# CONFIG_AD2S90 is not set
# CONFIG_AD2S1200 is not set
# CONFIG_AD2S1210 is not set
# end of Resolver to digital converters

#
# Temperature sensors
#
# CONFIG_LTC2983 is not set
# CONFIG_MAXIM_THERMOCOUPLE is not set
CONFIG_HID_SENSOR_TEMP=y
# CONFIG_MLX90614 is not set
# CONFIG_MLX90632 is not set
# CONFIG_MLX90635 is not set
# CONFIG_TMP006 is not set
# CONFIG_TMP007 is not set
# CONFIG_TMP117 is not set
# CONFIG_TSYS01 is not set
# CONFIG_TSYS02D is not set
# CONFIG_MAX30208 is not set
# CONFIG_MAX31856 is not set
# CONFIG_MAX31865 is not set
# CONFIG_MCP9600 is not set
# end of Temperature sensors

# CONFIG_NTB is not set
# CONFIG_PWM is not set

#
# IRQ chip support
#
CONFIG_IRQCHIP=y
CONFIG_IRQ_MSI_LIB=y
# CONFIG_AL_FIC is not set
# CONFIG_XILINX_INTC is not set
# end of IRQ chip support

# CONFIG_IPACK_BUS is not set
CONFIG_RESET_CONTROLLER=y
# CONFIG_RESET_GPIO is not set
# CONFIG_RESET_INTEL_GW is not set
# CONFIG_RESET_SIMPLE is not set
# CONFIG_RESET_TI_SYSCON is not set
# CONFIG_RESET_TI_TPS380X is not set

#
# PHY Subsystem
#
CONFIG_GENERIC_PHY=y
# CONFIG_PHY_GOOGLE_USB is not set
CONFIG_USB_LGM_PHY=y
# CONFIG_PHY_CAN_TRANSCEIVER is not set
# CONFIG_PHY_NXP_PTN3222 is not set

#
# PHY drivers for Broadcom platforms
#
# CONFIG_BCM_KONA_USB2_PHY is not set
# end of PHY drivers for Broadcom platforms

# CONFIG_PHY_CADENCE_TORRENT is not set
# CONFIG_PHY_CADENCE_DPHY is not set
# CONFIG_PHY_CADENCE_DPHY_RX is not set
# CONFIG_PHY_CADENCE_SIERRA is not set
# CONFIG_PHY_CADENCE_SALVO is not set
# CONFIG_PHY_PXA_28NM_HSIC is not set
# CONFIG_PHY_PXA_28NM_USB2 is not set
CONFIG_PHY_CPCAP_USB=y
# CONFIG_PHY_MAPPHONE_MDM6600 is not set
# CONFIG_PHY_OCELOT_SERDES is not set
CONFIG_PHY_QCOM_USB_HS=y
CONFIG_PHY_QCOM_USB_HSIC=y
CONFIG_PHY_SAMSUNG_USB2=y
CONFIG_PHY_TUSB1210=y
# CONFIG_PHY_INTEL_LGM_COMBO is not set
# CONFIG_PHY_INTEL_LGM_EMMC is not set
# end of PHY Subsystem

# CONFIG_POWERCAP is not set
# CONFIG_MCB is not set

#
# Performance monitor support
#
# CONFIG_DWC_PCIE_PMU is not set
# end of Performance monitor support

CONFIG_RAS=y
CONFIG_USB4=y
# CONFIG_USB4_DEBUGFS_WRITE is not set
# CONFIG_USB4_DMA_TEST is not set

#
# Android
#
CONFIG_ANDROID_BINDER_IPC=y
CONFIG_ANDROID_BINDERFS=y
CONFIG_ANDROID_BINDER_DEVICES="binder0,binder1"
# end of Android

CONFIG_LIBNVDIMM=y
CONFIG_BLK_DEV_PMEM=y
CONFIG_ND_CLAIM=y
CONFIG_ND_BTT=y
CONFIG_BTT=y
CONFIG_ND_PFN=y
CONFIG_NVDIMM_PFN=y
CONFIG_NVDIMM_DAX=y
CONFIG_OF_PMEM=y
# CONFIG_RAMDAX is not set
CONFIG_NVDIMM_KEYS=y
# CONFIG_NVDIMM_SECURITY_TEST is not set
CONFIG_DAX=y
CONFIG_DEV_DAX=y
# CONFIG_DEV_DAX_PMEM is not set
# CONFIG_DEV_DAX_KMEM is not set
CONFIG_NVMEM=y
CONFIG_NVMEM_SYSFS=y
CONFIG_NVMEM_LAYOUTS=y

#
# Layout Types
#
# CONFIG_NVMEM_LAYOUT_SL28_VPD is not set
# CONFIG_NVMEM_LAYOUT_ONIE_TLV is not set
# CONFIG_NVMEM_LAYOUT_U_BOOT_ENV is not set
# end of Layout Types

# CONFIG_NVMEM_RMEM is not set
# CONFIG_NVMEM_U_BOOT_ENV is not set

#
# HW tracing support
#
# CONFIG_STM is not set
# CONFIG_INTEL_TH is not set
# end of HW tracing support

# CONFIG_FPGA is not set
# CONFIG_FSI is not set
CONFIG_TEE=y
CONFIG_TEE_DMABUF_HEAPS=y
CONFIG_OPTEE_STATIC_PROTMEM_POOL=y
# CONFIG_SIOX is not set
# CONFIG_SLIMBUS is not set
# CONFIG_INTERCONNECT is not set
CONFIG_COUNTER=y
# CONFIG_INTEL_QEP is not set
# CONFIG_INTERRUPT_CNT is not set
CONFIG_MOST=y
CONFIG_MOST_USB_HDM=y
# CONFIG_MOST_CDEV is not set
# CONFIG_MOST_SND is not set
# CONFIG_PECI is not set
# CONFIG_HTE is not set
# end of Device Drivers

#
# File systems
#
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_VALIDATE_FS_PARSER=y
CONFIG_FS_IOMAP=y
CONFIG_FS_STACK=y
CONFIG_BUFFER_HEAD=y
CONFIG_LEGACY_DIRECT_IO=y
# CONFIG_EXT2_FS is not set
CONFIG_EXT4_FS=y
CONFIG_EXT4_USE_FOR_EXT2=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y
# CONFIG_EXT4_DEBUG is not set
CONFIG_JBD2=y
# CONFIG_JBD2_DEBUG is not set
CONFIG_FS_MBCACHE=y
CONFIG_JFS_FS=y
CONFIG_JFS_POSIX_ACL=y
CONFIG_JFS_SECURITY=y
CONFIG_JFS_DEBUG=y
# CONFIG_JFS_STATISTICS is not set
CONFIG_XFS_FS=y
# CONFIG_XFS_SUPPORT_V4 is not set
# CONFIG_XFS_SUPPORT_ASCII_CI is not set
CONFIG_XFS_QUOTA=y
CONFIG_XFS_POSIX_ACL=y
CONFIG_XFS_RT=y
# CONFIG_XFS_ONLINE_SCRUB is not set
# CONFIG_XFS_WARN is not set
# CONFIG_XFS_DEBUG is not set
CONFIG_GFS2_FS=y
CONFIG_GFS2_FS_LOCKING_DLM=y
CONFIG_OCFS2_FS=y
CONFIG_OCFS2_FS_O2CB=y
CONFIG_OCFS2_FS_USERSPACE_CLUSTER=y
CONFIG_OCFS2_FS_STATS=y
# CONFIG_OCFS2_DEBUG_MASKLOG is not set
CONFIG_OCFS2_DEBUG_FS=y
CONFIG_BTRFS_FS=y
CONFIG_BTRFS_FS_POSIX_ACL=y
# CONFIG_BTRFS_FS_RUN_SANITY_TESTS is not set
# CONFIG_BTRFS_DEBUG is not set
CONFIG_BTRFS_ASSERT=y
# CONFIG_BTRFS_EXPERIMENTAL is not set
CONFIG_NILFS2_FS=y
CONFIG_F2FS_FS=y
CONFIG_F2FS_STAT_FS=y
CONFIG_F2FS_FS_XATTR=y
CONFIG_F2FS_FS_POSIX_ACL=y
CONFIG_F2FS_FS_SECURITY=y
CONFIG_F2FS_CHECK_FS=y
CONFIG_F2FS_FAULT_INJECTION=y
CONFIG_F2FS_FS_COMPRESSION=y
CONFIG_F2FS_FS_LZO=y
CONFIG_F2FS_FS_LZORLE=y
CONFIG_F2FS_FS_LZ4=y
CONFIG_F2FS_FS_LZ4HC=y
CONFIG_F2FS_FS_ZSTD=y
# CONFIG_F2FS_IOSTAT is not set
# CONFIG_F2FS_UNFAIR_RWSEM is not set
CONFIG_ZONEFS_FS=y
CONFIG_FS_DAX=y
CONFIG_FS_DAX_PMD=y
CONFIG_FS_POSIX_ACL=y
CONFIG_EXPORTFS=y
CONFIG_EXPORTFS_BLOCK_OPS=y
CONFIG_FILE_LOCKING=y
CONFIG_FS_ENCRYPTION=y
CONFIG_FS_ENCRYPTION_ALGS=y
# CONFIG_FS_ENCRYPTION_INLINE_CRYPT is not set
CONFIG_FS_VERITY=y
CONFIG_FS_VERITY_BUILTIN_SIGNATURES=y
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
CONFIG_INOTIFY_USER=y
CONFIG_FANOTIFY=y
CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y
CONFIG_QUOTA=y
CONFIG_QUOTA_NETLINK_INTERFACE=y
# CONFIG_QUOTA_DEBUG is not set
CONFIG_QUOTA_TREE=y
# CONFIG_QFMT_V1 is not set
CONFIG_QFMT_V2=y
CONFIG_QUOTACTL=y
CONFIG_AUTOFS_FS=y
CONFIG_FUSE_FS=y
CONFIG_CUSE=y
CONFIG_VIRTIO_FS=y
CONFIG_FUSE_DAX=y
# CONFIG_FUSE_PASSTHROUGH is not set
# CONFIG_FUSE_IO_URING is not set
CONFIG_OVERLAY_FS=y
CONFIG_OVERLAY_FS_REDIRECT_DIR=y
CONFIG_OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW=y
CONFIG_OVERLAY_FS_INDEX=y
# CONFIG_OVERLAY_FS_NFS_EXPORT is not set
# CONFIG_OVERLAY_FS_XINO_AUTO is not set
# CONFIG_OVERLAY_FS_METACOPY is not set
CONFIG_OVERLAY_FS_DEBUG=y

#
# Caches
#
CONFIG_NETFS_SUPPORT=y
# CONFIG_NETFS_STATS is not set
# CONFIG_NETFS_DEBUG is not set
CONFIG_FSCACHE=y
# CONFIG_FSCACHE_STATS is not set
CONFIG_CACHEFILES=y
# CONFIG_CACHEFILES_DEBUG is not set
# CONFIG_CACHEFILES_ERROR_INJECTION is not set
# CONFIG_CACHEFILES_ONDEMAND is not set
# end of Caches

#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=y
CONFIG_JOLIET=y
CONFIG_ZISOFS=y
CONFIG_UDF_FS=y
# end of CD-ROM/DVD Filesystems

#
# DOS/FAT/EXFAT/NT Filesystems
#
CONFIG_FAT_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
# CONFIG_FAT_DEFAULT_UTF8 is not set
CONFIG_EXFAT_FS=y
CONFIG_EXFAT_DEFAULT_IOCHARSET="utf8"
CONFIG_NTFS3_FS=y
# CONFIG_NTFS3_64BIT_CLUSTER is not set
CONFIG_NTFS3_LZX_XPRESS=y
CONFIG_NTFS3_FS_POSIX_ACL=y
# CONFIG_NTFS_FS is not set
# end of DOS/FAT/EXFAT/NT Filesystems

#
# Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
CONFIG_PROC_VMCORE=y
# CONFIG_PROC_VMCORE_DEVICE_DUMP is not set
CONFIG_PROC_SYSCTL=y
CONFIG_PROC_PAGE_MONITOR=y
CONFIG_PROC_CHILDREN=y
CONFIG_PROC_PID_ARCH_STATUS=y
CONFIG_KERNFS=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_TMPFS_XATTR=y
# CONFIG_TMPFS_INODE64 is not set
CONFIG_TMPFS_QUOTA=y
CONFIG_ARCH_SUPPORTS_HUGETLBFS=y
CONFIG_HUGETLBFS=y
# CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON is not set
CONFIG_HUGETLB_PAGE=y
CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP=y
CONFIG_HUGETLB_PMD_PAGE_TABLE_SHARING=y
CONFIG_ARCH_HAS_GIGANTIC_PAGE=y
CONFIG_CONFIGFS_FS=y
# end of Pseudo filesystems

CONFIG_MISC_FILESYSTEMS=y
CONFIG_ORANGEFS_FS=y
CONFIG_ADFS_FS=y
# CONFIG_ADFS_FS_RW is not set
CONFIG_AFFS_FS=y
CONFIG_ECRYPT_FS=y
CONFIG_ECRYPT_FS_MESSAGING=y
CONFIG_HFS_FS=y
CONFIG_HFSPLUS_FS=y
CONFIG_BEFS_FS=y
# CONFIG_BEFS_DEBUG is not set
CONFIG_BFS_FS=y
CONFIG_EFS_FS=y
CONFIG_JFFS2_FS=y
CONFIG_JFFS2_FS_DEBUG=0
CONFIG_JFFS2_FS_WRITEBUFFER=y
# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
CONFIG_JFFS2_SUMMARY=y
CONFIG_JFFS2_FS_XATTR=y
CONFIG_JFFS2_FS_POSIX_ACL=y
CONFIG_JFFS2_FS_SECURITY=y
CONFIG_JFFS2_COMPRESSION_OPTIONS=y
CONFIG_JFFS2_ZLIB=y
CONFIG_JFFS2_LZO=y
CONFIG_JFFS2_RTIME=y
CONFIG_JFFS2_RUBIN=y
# CONFIG_JFFS2_CMODE_NONE is not set
CONFIG_JFFS2_CMODE_PRIORITY=y
# CONFIG_JFFS2_CMODE_SIZE is not set
# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
CONFIG_UBIFS_FS=y
CONFIG_UBIFS_FS_ADVANCED_COMPR=y
CONFIG_UBIFS_FS_LZO=y
CONFIG_UBIFS_FS_ZLIB=y
CONFIG_UBIFS_FS_ZSTD=y
CONFIG_UBIFS_ATIME_SUPPORT=y
CONFIG_UBIFS_FS_XATTR=y
CONFIG_UBIFS_FS_SECURITY=y
# CONFIG_UBIFS_FS_AUTHENTICATION is not set
CONFIG_CRAMFS=y
CONFIG_CRAMFS_BLOCKDEV=y
CONFIG_CRAMFS_MTD=y
CONFIG_SQUASHFS=y
# CONFIG_SQUASHFS_FILE_CACHE is not set
CONFIG_SQUASHFS_FILE_DIRECT=y
CONFIG_SQUASHFS_DECOMP_MULTI=y
# CONFIG_SQUASHFS_CHOICE_DECOMP_BY_MOUNT is not set
# CONFIG_SQUASHFS_COMPILE_DECOMP_SINGLE is not set
CONFIG_SQUASHFS_COMPILE_DECOMP_MULTI=y
# CONFIG_SQUASHFS_COMPILE_DECOMP_MULTI_PERCPU is not set
# CONFIG_SQUASHFS_MOUNT_DECOMP_THREADS is not set
CONFIG_SQUASHFS_XATTR=y
# CONFIG_SQUASHFS_COMP_CACHE_FULL is not set
CONFIG_SQUASHFS_ZLIB=y
CONFIG_SQUASHFS_LZ4=y
CONFIG_SQUASHFS_LZO=y
CONFIG_SQUASHFS_XZ=y
CONFIG_SQUASHFS_ZSTD=y
CONFIG_SQUASHFS_4K_DEVBLK_SIZE=y
# CONFIG_SQUASHFS_EMBEDDED is not set
CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
CONFIG_VXFS_FS=y
CONFIG_MINIX_FS=y
CONFIG_OMFS_FS=y
CONFIG_HPFS_FS=y
CONFIG_QNX4FS_FS=y
CONFIG_QNX6FS_FS=y
# CONFIG_QNX6FS_DEBUG is not set
CONFIG_ROMFS_FS=y
# CONFIG_ROMFS_BACKED_BY_BLOCK is not set
# CONFIG_ROMFS_BACKED_BY_MTD is not set
CONFIG_ROMFS_BACKED_BY_BOTH=y
CONFIG_ROMFS_ON_BLOCK=y
CONFIG_ROMFS_ON_MTD=y
CONFIG_PSTORE=y
CONFIG_PSTORE_DEFAULT_KMSG_BYTES=10240
CONFIG_PSTORE_COMPRESS=y
# CONFIG_PSTORE_CONSOLE is not set
# CONFIG_PSTORE_PMSG is not set
# CONFIG_PSTORE_RAM is not set
# CONFIG_PSTORE_BLK is not set
CONFIG_UFS_FS=y
CONFIG_UFS_FS_WRITE=y
# CONFIG_UFS_DEBUG is not set
CONFIG_EROFS_FS=y
# CONFIG_EROFS_FS_DEBUG is not set
CONFIG_EROFS_FS_XATTR=y
CONFIG_EROFS_FS_POSIX_ACL=y
CONFIG_EROFS_FS_SECURITY=y
# CONFIG_EROFS_FS_BACKED_BY_FILE is not set
CONFIG_EROFS_FS_ZIP=y
# CONFIG_EROFS_FS_ZIP_LZMA is not set
# CONFIG_EROFS_FS_ZIP_DEFLATE is not set
# CONFIG_EROFS_FS_ZIP_ZSTD is not set
# CONFIG_EROFS_FS_ZIP_ACCEL is not set
# CONFIG_EROFS_FS_ONDEMAND is not set
# CONFIG_EROFS_FS_PCPU_KTHREAD is not set
# CONFIG_EROFS_FS_PAGE_CACHE_SHARE is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
# CONFIG_NFS_V2 is not set
CONFIG_NFS_V3=y
CONFIG_NFS_V3_ACL=y
CONFIG_NFS_V4=y
# CONFIG_NFS_SWAP is not set
CONFIG_NFS_V4_0=y
CONFIG_NFS_V4_2=y
CONFIG_PNFS_FILE_LAYOUT=y
CONFIG_PNFS_BLOCK=y
CONFIG_PNFS_FLEXFILE_LAYOUT=y
CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN="kernel.org"
# CONFIG_NFS_V4_1_MIGRATION is not set
CONFIG_NFS_V4_SECURITY_LABEL=y
CONFIG_ROOT_NFS=y
CONFIG_NFS_FSCACHE=y
# CONFIG_NFS_USE_LEGACY_DNS is not set
CONFIG_NFS_USE_KERNEL_DNS=y
# CONFIG_NFS_DISABLE_UDP_SUPPORT is not set
CONFIG_NFS_V4_2_READ_PLUS=y
CONFIG_NFSD=y
# CONFIG_NFSD_V2 is not set
CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
CONFIG_NFSD_PNFS=y
CONFIG_NFSD_BLOCKLAYOUT=y
CONFIG_NFSD_SCSILAYOUT=y
CONFIG_NFSD_FLEXFILELAYOUT=y
CONFIG_NFSD_V4_2_INTER_SSC=y
CONFIG_NFSD_V4_SECURITY_LABEL=y
# CONFIG_NFSD_LEGACY_CLIENT_TRACKING is not set
# CONFIG_NFSD_V4_DELEG_TIMESTAMPS is not set
# CONFIG_NFSD_V4_POSIX_ACLS is not set
CONFIG_GRACE_PERIOD=y
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
CONFIG_NFS_ACL_SUPPORT=y
CONFIG_NFS_COMMON=y
# CONFIG_NFS_LOCALIO is not set
CONFIG_NFS_V4_2_SSC_HELPER=y
CONFIG_SUNRPC=y
CONFIG_SUNRPC_GSS=y
CONFIG_SUNRPC_BACKCHANNEL=y
CONFIG_RPCSEC_GSS_KRB5=y
# CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA1 is not set
# CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_CAMELLIA is not set
# CONFIG_RPCSEC_GSS_KRB5_ENCTYPES_AES_SHA2 is not set
# CONFIG_SUNRPC_DEBUG is not set
# CONFIG_SUNRPC_XPRT_RDMA is not set
CONFIG_CEPH_FS=y
CONFIG_CEPH_FSCACHE=y
CONFIG_CEPH_FS_POSIX_ACL=y
# CONFIG_CEPH_FS_SECURITY_LABEL is not set
CONFIG_CIFS=y
# CONFIG_CIFS_STATS2 is not set
CONFIG_CIFS_ALLOW_INSECURE_LEGACY=y
CONFIG_CIFS_UPCALL=y
CONFIG_CIFS_XATTR=y
CONFIG_CIFS_POSIX=y
CONFIG_CIFS_DEBUG=y
# CONFIG_CIFS_DEBUG2 is not set
# CONFIG_CIFS_DEBUG_DUMP_KEYS is not set
CONFIG_CIFS_DFS_UPCALL=y
CONFIG_CIFS_SWN_UPCALL=y
CONFIG_CIFS_SMB_DIRECT=y
CONFIG_CIFS_FSCACHE=y
# CONFIG_CIFS_ROOT is not set
# CONFIG_CIFS_COMPRESSION is not set
CONFIG_SMB_SERVER=y
# CONFIG_SMB_SERVER_SMBDIRECT is not set
# CONFIG_SMB_SERVER_CHECK_CAP_NET_ADMIN is not set
# CONFIG_SMB_SERVER_KERBEROS5 is not set
CONFIG_SMBFS=y
# CONFIG_CODA_FS is not set
CONFIG_AFS_FS=y
# CONFIG_AFS_DEBUG is not set
CONFIG_AFS_FSCACHE=y
# CONFIG_AFS_DEBUG_CURSOR is not set
CONFIG_9P_FS=y
CONFIG_9P_FSCACHE=y
CONFIG_9P_FS_POSIX_ACL=y
CONFIG_9P_FS_SECURITY=y
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="utf8"
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_CODEPAGE_737=y
CONFIG_NLS_CODEPAGE_775=y
CONFIG_NLS_CODEPAGE_850=y
CONFIG_NLS_CODEPAGE_852=y
CONFIG_NLS_CODEPAGE_855=y
CONFIG_NLS_CODEPAGE_857=y
CONFIG_NLS_CODEPAGE_860=y
CONFIG_NLS_CODEPAGE_861=y
CONFIG_NLS_CODEPAGE_862=y
CONFIG_NLS_CODEPAGE_863=y
CONFIG_NLS_CODEPAGE_864=y
CONFIG_NLS_CODEPAGE_865=y
CONFIG_NLS_CODEPAGE_866=y
CONFIG_NLS_CODEPAGE_869=y
CONFIG_NLS_CODEPAGE_936=y
CONFIG_NLS_CODEPAGE_950=y
CONFIG_NLS_CODEPAGE_932=y
CONFIG_NLS_CODEPAGE_949=y
CONFIG_NLS_CODEPAGE_874=y
CONFIG_NLS_ISO8859_8=y
CONFIG_NLS_CODEPAGE_1250=y
CONFIG_NLS_CODEPAGE_1251=y
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
CONFIG_NLS_ISO8859_2=y
CONFIG_NLS_ISO8859_3=y
CONFIG_NLS_ISO8859_4=y
CONFIG_NLS_ISO8859_5=y
CONFIG_NLS_ISO8859_6=y
CONFIG_NLS_ISO8859_7=y
CONFIG_NLS_ISO8859_9=y
CONFIG_NLS_ISO8859_13=y
CONFIG_NLS_ISO8859_14=y
CONFIG_NLS_ISO8859_15=y
CONFIG_NLS_KOI8_R=y
CONFIG_NLS_KOI8_U=y
CONFIG_NLS_MAC_ROMAN=y
CONFIG_NLS_MAC_CELTIC=y
CONFIG_NLS_MAC_CENTEURO=y
CONFIG_NLS_MAC_CROATIAN=y
CONFIG_NLS_MAC_CYRILLIC=y
CONFIG_NLS_MAC_GAELIC=y
CONFIG_NLS_MAC_GREEK=y
CONFIG_NLS_MAC_ICELAND=y
CONFIG_NLS_MAC_INUIT=y
CONFIG_NLS_MAC_ROMANIAN=y
CONFIG_NLS_MAC_TURKISH=y
CONFIG_NLS_UTF8=y
CONFIG_NLS_UCS2_UTILS=y
CONFIG_DLM=y
# CONFIG_DLM_DEBUG is not set
CONFIG_UNICODE=y
CONFIG_IO_WQ=y
# end of File systems

#
# Security options
#
CONFIG_KEYS=y
CONFIG_KEYS_REQUEST_CACHE=y
CONFIG_PERSISTENT_KEYRINGS=y
CONFIG_BIG_KEYS=y
CONFIG_TRUSTED_KEYS=y
# CONFIG_TRUSTED_KEYS_TPM is not set
# CONFIG_TRUSTED_KEYS_TEE is not set

#
# No trust source selected!
#
CONFIG_ENCRYPTED_KEYS=y
# CONFIG_USER_DECRYPTED_DATA is not set
CONFIG_KEY_DH_OPERATIONS=y
CONFIG_KEY_NOTIFICATIONS=y
# CONFIG_SECURITY_DMESG_RESTRICT is not set
CONFIG_PROC_MEM_ALWAYS_FORCE=y
# CONFIG_PROC_MEM_FORCE_PTRACE is not set
# CONFIG_PROC_MEM_NO_FORCE is not set
CONFIG_SECURITY=y
CONFIG_HAS_SECURITY_AUDIT=y
CONFIG_SECURITYFS=y
CONFIG_SECURITY_NETWORK=y
CONFIG_SECURITY_INFINIBAND=y
CONFIG_SECURITY_NETWORK_XFRM=y
CONFIG_SECURITY_PATH=y
# CONFIG_INTEL_TXT is not set
CONFIG_LSM_MMAP_MIN_ADDR=65536
# CONFIG_STATIC_USERMODEHELPER is not set
CONFIG_SECURITY_SELINUX=y
CONFIG_SECURITY_SELINUX_BOOTPARAM=y
CONFIG_SECURITY_SELINUX_DEVELOP=y
CONFIG_SECURITY_SELINUX_AVC_STATS=y
CONFIG_SECURITY_SELINUX_SIDTAB_HASH_BITS=9
CONFIG_SECURITY_SELINUX_SID2STR_CACHE_SIZE=256
CONFIG_SECURITY_SELINUX_AVC_HASH_BITS=9
# CONFIG_SECURITY_SELINUX_DEBUG is not set
# CONFIG_SECURITY_SMACK is not set
CONFIG_SECURITY_TOMOYO=y
CONFIG_SECURITY_TOMOYO_MAX_ACCEPT_ENTRY=64
CONFIG_SECURITY_TOMOYO_MAX_AUDIT_LOG=32
CONFIG_SECURITY_TOMOYO_OMIT_USERSPACE_LOADER=y
CONFIG_SECURITY_TOMOYO_INSECURE_BUILTIN_SETTING=y
# CONFIG_SECURITY_APPARMOR is not set
# CONFIG_SECURITY_LOADPIN is not set
CONFIG_SECURITY_YAMA=y
CONFIG_SECURITY_SAFESETID=y
CONFIG_SECURITY_LOCKDOWN_LSM=y
CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y
CONFIG_LOCK_DOWN_KERNEL_FORCE_NONE=y
# CONFIG_LOCK_DOWN_KERNEL_FORCE_INTEGRITY is not set
# CONFIG_LOCK_DOWN_KERNEL_FORCE_CONFIDENTIALITY is not set
CONFIG_SECURITY_LANDLOCK=y
# CONFIG_SECURITY_IPE is not set
CONFIG_INTEGRITY=y
CONFIG_INTEGRITY_SIGNATURE=y
CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
CONFIG_INTEGRITY_TRUSTED_KEYRING=y
CONFIG_INTEGRITY_AUDIT=y
CONFIG_IMA=y
CONFIG_IMA_MEASURE_PCR_IDX=10
CONFIG_IMA_LSM_RULES=y
CONFIG_IMA_NG_TEMPLATE=y
# CONFIG_IMA_SIG_TEMPLATE is not set
CONFIG_IMA_DEFAULT_TEMPLATE="ima-ng"
# CONFIG_IMA_DEFAULT_HASH_SHA1 is not set
CONFIG_IMA_DEFAULT_HASH_SHA256=y
# CONFIG_IMA_DEFAULT_HASH_SHA512 is not set
# CONFIG_IMA_DEFAULT_HASH_WP512 is not set
CONFIG_IMA_DEFAULT_HASH="sha256"
CONFIG_IMA_WRITE_POLICY=y
CONFIG_IMA_READ_POLICY=y
CONFIG_IMA_APPRAISE=y
# CONFIG_IMA_ARCH_POLICY is not set
# CONFIG_IMA_APPRAISE_BUILD_POLICY is not set
# CONFIG_IMA_APPRAISE_BOOTPARAM is not set
CONFIG_IMA_APPRAISE_MODSIG=y
# CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY is not set
# CONFIG_IMA_BLACKLIST_KEYRING is not set
# CONFIG_IMA_LOAD_X509 is not set
CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS=y
CONFIG_IMA_QUEUE_EARLY_BOOT_KEYS=y
# CONFIG_IMA_DISABLE_HTABLE is not set
CONFIG_EVM=y
CONFIG_EVM_ATTR_FSUUID=y
CONFIG_EVM_ADD_XATTRS=y
# CONFIG_EVM_LOAD_X509 is not set
CONFIG_DEFAULT_SECURITY_SELINUX=y
# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
# CONFIG_DEFAULT_SECURITY_DAC is not set
CONFIG_LSM="landlock,lockdown,yama,safesetid,integrity,tomoyo,selinux,bpf"

#
# Kernel hardening options
#

#
# Memory initialization
#
CONFIG_CC_HAS_AUTO_VAR_INIT_PATTERN=y
CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO_BARE=y
CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO=y
# CONFIG_INIT_STACK_NONE is not set
# CONFIG_INIT_STACK_ALL_PATTERN is not set
CONFIG_INIT_STACK_ALL_ZERO=y
CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
# CONFIG_INIT_ON_FREE_DEFAULT_ON is not set
CONFIG_CC_HAS_ZERO_CALL_USED_REGS=y
# CONFIG_ZERO_CALL_USED_REGS is not set
# end of Memory initialization

#
# Bounds checking
#
CONFIG_FORTIFY_SOURCE=y
CONFIG_HARDENED_USERCOPY=y
# CONFIG_HARDENED_USERCOPY_DEFAULT_ON is not set
# end of Bounds checking

#
# Hardening of kernel data structures
#
CONFIG_LIST_HARDENED=y
CONFIG_BUG_ON_DATA_CORRUPTION=y
# end of Hardening of kernel data structures

CONFIG_RANDSTRUCT_NONE=y
# end of Kernel hardening options
# end of Security options

CONFIG_XOR_BLOCKS=y
CONFIG_ASYNC_CORE=y
CONFIG_ASYNC_MEMCPY=y
CONFIG_ASYNC_XOR=y
CONFIG_ASYNC_PQ=y
CONFIG_ASYNC_RAID6_RECOV=y
CONFIG_CRYPTO=y

#
# Crypto core or helper
#
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_ALGAPI2=y
CONFIG_CRYPTO_AEAD=y
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_SIG=y
CONFIG_CRYPTO_SIG2=y
CONFIG_CRYPTO_SKCIPHER=y
CONFIG_CRYPTO_SKCIPHER2=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_RNG=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_RNG_DEFAULT=y
CONFIG_CRYPTO_AKCIPHER2=y
CONFIG_CRYPTO_AKCIPHER=y
CONFIG_CRYPTO_KPP2=y
CONFIG_CRYPTO_KPP=y
CONFIG_CRYPTO_ACOMP2=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MANAGER2=y
CONFIG_CRYPTO_USER=y
# CONFIG_CRYPTO_SELFTESTS is not set
# CONFIG_CRYPTO_NULL is not set
CONFIG_CRYPTO_PCRYPT=y
CONFIG_CRYPTO_CRYPTD=y
CONFIG_CRYPTO_AUTHENC=y
CONFIG_CRYPTO_KRB5ENC=y
# CONFIG_CRYPTO_BENCHMARK is not set
CONFIG_CRYPTO_ENGINE=y
# end of Crypto core or helper

#
# Public-key cryptography
#
CONFIG_CRYPTO_RSA=y
CONFIG_CRYPTO_DH=y
# CONFIG_CRYPTO_DH_RFC7919_GROUPS is not set
CONFIG_CRYPTO_ECC=y
CONFIG_CRYPTO_ECDH=y
# CONFIG_CRYPTO_ECDSA is not set
CONFIG_CRYPTO_ECRDSA=y
# CONFIG_CRYPTO_MLDSA is not set
# end of Public-key cryptography

#
# Block ciphers
#
CONFIG_CRYPTO_AES=y
CONFIG_CRYPTO_ANUBIS=y
CONFIG_CRYPTO_ARIA=y
CONFIG_CRYPTO_BLOWFISH=y
CONFIG_CRYPTO_BLOWFISH_COMMON=y
CONFIG_CRYPTO_CAMELLIA=y
CONFIG_CRYPTO_CAST_COMMON=y
CONFIG_CRYPTO_CAST5=y
CONFIG_CRYPTO_CAST6=y
CONFIG_CRYPTO_DES=y
CONFIG_CRYPTO_FCRYPT=y
CONFIG_CRYPTO_KHAZAD=y
CONFIG_CRYPTO_SEED=y
CONFIG_CRYPTO_SERPENT=y
CONFIG_CRYPTO_SM4=y
CONFIG_CRYPTO_SM4_GENERIC=y
CONFIG_CRYPTO_TEA=y
CONFIG_CRYPTO_TWOFISH=y
CONFIG_CRYPTO_TWOFISH_COMMON=y
# end of Block ciphers

#
# Length-preserving ciphers and modes
#
CONFIG_CRYPTO_ADIANTUM=y
CONFIG_CRYPTO_ARC4=y
CONFIG_CRYPTO_CHACHA20=y
CONFIG_CRYPTO_CBC=y
CONFIG_CRYPTO_CTR=y
CONFIG_CRYPTO_CTS=y
CONFIG_CRYPTO_ECB=y
CONFIG_CRYPTO_HCTR2=y
CONFIG_CRYPTO_LRW=y
CONFIG_CRYPTO_PCBC=y
CONFIG_CRYPTO_XCTR=y
CONFIG_CRYPTO_XTS=y
# end of Length-preserving ciphers and modes

#
# AEAD (authenticated encryption with associated data) ciphers
#
CONFIG_CRYPTO_AEGIS128=y
CONFIG_CRYPTO_CHACHA20POLY1305=y
CONFIG_CRYPTO_CCM=y
CONFIG_CRYPTO_GCM=y
CONFIG_CRYPTO_GENIV=y
CONFIG_CRYPTO_SEQIV=y
CONFIG_CRYPTO_ECHAINIV=y
CONFIG_CRYPTO_ESSIV=y
# end of AEAD (authenticated encryption with associated data) ciphers

#
# Hashes, digests, and MACs
#
# CONFIG_CRYPTO_BLAKE2B is not set
CONFIG_CRYPTO_CMAC=y
CONFIG_CRYPTO_GHASH=y
CONFIG_CRYPTO_HMAC=y
# CONFIG_CRYPTO_MD4 is not set
# CONFIG_CRYPTO_MD5 is not set
CONFIG_CRYPTO_MICHAEL_MIC=y
CONFIG_CRYPTO_RMD160=y
CONFIG_CRYPTO_SHA1=y
CONFIG_CRYPTO_SHA256=y
CONFIG_CRYPTO_SHA512=y
CONFIG_CRYPTO_SHA3=y
# CONFIG_CRYPTO_SM3_GENERIC is not set
CONFIG_CRYPTO_STREEBOG=y
CONFIG_CRYPTO_WP512=y
CONFIG_CRYPTO_XCBC=y
# CONFIG_CRYPTO_XXHASH is not set
# end of Hashes, digests, and MACs

#
# CRCs (cyclic redundancy checks)
#
# CONFIG_CRYPTO_CRC32C is not set
# CONFIG_CRYPTO_CRC32 is not set
# end of CRCs (cyclic redundancy checks)

#
# Compression
#
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_842=y
CONFIG_CRYPTO_LZ4=y
CONFIG_CRYPTO_LZ4HC=y
CONFIG_CRYPTO_ZSTD=y
# end of Compression

#
# Random number generation
#
CONFIG_CRYPTO_DRBG_MENU=y
CONFIG_CRYPTO_DRBG_HMAC=y
CONFIG_CRYPTO_DRBG_HASH=y
CONFIG_CRYPTO_DRBG_CTR=y
CONFIG_CRYPTO_DRBG=y
CONFIG_CRYPTO_JITTERENTROPY=y
CONFIG_CRYPTO_JITTERENTROPY_MEMORY_BLOCKS=64
CONFIG_CRYPTO_JITTERENTROPY_MEMORY_BLOCKSIZE=32
CONFIG_CRYPTO_JITTERENTROPY_OSR=1
CONFIG_CRYPTO_KDF800108_CTR=y
CONFIG_CRYPTO_DF80090A=y
# end of Random number generation

#
# Userspace interface
#
CONFIG_CRYPTO_USER_API=y
CONFIG_CRYPTO_USER_API_HASH=y
CONFIG_CRYPTO_USER_API_SKCIPHER=y
CONFIG_CRYPTO_USER_API_RNG=y
# CONFIG_CRYPTO_USER_API_RNG_CAVP is not set
CONFIG_CRYPTO_USER_API_AEAD=y
CONFIG_CRYPTO_USER_API_ENABLE_OBSOLETE=y
# end of Userspace interface

#
# Accelerated Cryptographic Algorithms for CPU (x86)
#
CONFIG_CRYPTO_AES_NI_INTEL=y
CONFIG_CRYPTO_BLOWFISH_X86_64=y
CONFIG_CRYPTO_CAMELLIA_X86_64=y
CONFIG_CRYPTO_CAMELLIA_AESNI_AVX_X86_64=y
CONFIG_CRYPTO_CAMELLIA_AESNI_AVX2_X86_64=y
CONFIG_CRYPTO_CAST5_AVX_X86_64=y
CONFIG_CRYPTO_CAST6_AVX_X86_64=y
CONFIG_CRYPTO_DES3_EDE_X86_64=y
CONFIG_CRYPTO_SERPENT_SSE2_X86_64=y
CONFIG_CRYPTO_SERPENT_AVX_X86_64=y
CONFIG_CRYPTO_SERPENT_AVX2_X86_64=y
CONFIG_CRYPTO_SM4_AESNI_AVX_X86_64=y
CONFIG_CRYPTO_SM4_AESNI_AVX2_X86_64=y
CONFIG_CRYPTO_TWOFISH_X86_64=y
CONFIG_CRYPTO_TWOFISH_X86_64_3WAY=y
CONFIG_CRYPTO_TWOFISH_AVX_X86_64=y
CONFIG_CRYPTO_ARIA_AESNI_AVX_X86_64=y
# CONFIG_CRYPTO_ARIA_AESNI_AVX2_X86_64 is not set
# CONFIG_CRYPTO_ARIA_GFNI_AVX512_X86_64 is not set
CONFIG_CRYPTO_AEGIS128_AESNI_SSE2=y
CONFIG_CRYPTO_SM3_AVX_X86_64=y
CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL=y
# end of Accelerated Cryptographic Algorithms for CPU (x86)

CONFIG_CRYPTO_HW=y
CONFIG_CRYPTO_DEV_PADLOCK=y
CONFIG_CRYPTO_DEV_PADLOCK_AES=y
CONFIG_CRYPTO_DEV_PADLOCK_SHA=y
# CONFIG_CRYPTO_DEV_ATMEL_ECC is not set
# CONFIG_CRYPTO_DEV_ATMEL_SHA204A is not set
CONFIG_CRYPTO_DEV_CCP=y
CONFIG_CRYPTO_DEV_CCP_DD=y
# CONFIG_CRYPTO_DEV_SP_CCP is not set
# CONFIG_CRYPTO_DEV_SP_PSP is not set
# CONFIG_CRYPTO_DEV_NITROX_CNN55XX is not set
CONFIG_CRYPTO_DEV_QAT=y
CONFIG_CRYPTO_DEV_QAT_DH895xCC=y
CONFIG_CRYPTO_DEV_QAT_C3XXX=y
CONFIG_CRYPTO_DEV_QAT_C62X=y
# CONFIG_CRYPTO_DEV_QAT_4XXX is not set
# CONFIG_CRYPTO_DEV_QAT_420XX is not set
# CONFIG_CRYPTO_DEV_QAT_6XXX is not set
CONFIG_CRYPTO_DEV_QAT_DH895xCCVF=y
CONFIG_CRYPTO_DEV_QAT_C3XXXVF=y
CONFIG_CRYPTO_DEV_QAT_C62XVF=y
# CONFIG_CRYPTO_DEV_QAT_ERROR_INJECTION is not set
CONFIG_CRYPTO_DEV_VIRTIO=y
# CONFIG_CRYPTO_DEV_SAFEXCEL is not set
# CONFIG_CRYPTO_DEV_CCREE is not set
# CONFIG_CRYPTO_DEV_AMLOGIC_GXL is not set
CONFIG_ASYMMETRIC_KEY_TYPE=y
CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
CONFIG_X509_CERTIFICATE_PARSER=y
CONFIG_PKCS8_PRIVATE_KEY_PARSER=y
CONFIG_PKCS7_MESSAGE_PARSER=y
CONFIG_PKCS7_TEST_KEY=y
CONFIG_SIGNED_PE_FILE_VERIFICATION=y
# CONFIG_FIPS_SIGNATURE_SELFTEST is not set

#
# Certificates for signature checking
#
CONFIG_MODULE_SIG_KEY="certs/signing_key.pem"
CONFIG_MODULE_SIG_KEY_TYPE_RSA=y
# CONFIG_MODULE_SIG_KEY_TYPE_MLDSA_44 is not set
# CONFIG_MODULE_SIG_KEY_TYPE_MLDSA_65 is not set
# CONFIG_MODULE_SIG_KEY_TYPE_MLDSA_87 is not set
CONFIG_SYSTEM_TRUSTED_KEYRING=y
CONFIG_SYSTEM_TRUSTED_KEYS=""
# CONFIG_SYSTEM_EXTRA_CERTIFICATE is not set
CONFIG_SECONDARY_TRUSTED_KEYRING=y
# CONFIG_SECONDARY_TRUSTED_KEYRING_SIGNED_BY_BUILTIN is not set
# CONFIG_SYSTEM_BLACKLIST_KEYRING is not set
CONFIG_OPENSSL_SUPPORTS_ML_DSA=y
# end of Certificates for signature checking

CONFIG_CRYPTO_KRB5=y
# CONFIG_CRYPTO_KRB5_SELFTESTS is not set
CONFIG_BINARY_PRINTF=y

#
# Library routines
#
CONFIG_RAID6_PQ=y
# CONFIG_RAID6_PQ_BENCHMARK is not set
CONFIG_LINEAR_RANGES=y
# CONFIG_PACKING is not set
CONFIG_BITREVERSE=y
CONFIG_GENERIC_STRNCPY_FROM_USER=y
CONFIG_GENERIC_STRNLEN_USER=y
CONFIG_GENERIC_NET_UTILS=y
# CONFIG_CORDIC is not set
# CONFIG_PRIME_NUMBERS is not set
CONFIG_RATIONAL=y
CONFIG_GENERIC_IOMAP=y
CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
CONFIG_ARCH_HAS_FAST_MULTIPLIER=y
CONFIG_ARCH_USE_SYM_ANNOTATIONS=y
CONFIG_CRC8=y
CONFIG_CRC16=y
CONFIG_CRC_CCITT=y
CONFIG_CRC_ITU_T=y
CONFIG_CRC_T10DIF=y
CONFIG_CRC_T10DIF_ARCH=y
CONFIG_CRC32=y
CONFIG_CRC32_ARCH=y
CONFIG_CRC64=y
CONFIG_CRC64_ARCH=y
CONFIG_CRC_OPTIMIZATIONS=y

#
# Crypto library routines
#
CONFIG_CRYPTO_HASH_INFO=y
CONFIG_CRYPTO_LIB_UTILS=y
CONFIG_CRYPTO_LIB_AES=y
CONFIG_CRYPTO_LIB_AES_ARCH=y
CONFIG_CRYPTO_LIB_ARC4=y
CONFIG_CRYPTO_LIB_GF128MUL=y
CONFIG_CRYPTO_LIB_BLAKE2B=y
CONFIG_CRYPTO_LIB_BLAKE2S_ARCH=y
CONFIG_CRYPTO_LIB_CHACHA=y
CONFIG_CRYPTO_LIB_CHACHA_ARCH=y
CONFIG_CRYPTO_LIB_CURVE25519=y
CONFIG_CRYPTO_LIB_CURVE25519_ARCH=y
CONFIG_CRYPTO_LIB_CURVE25519_GENERIC=y
CONFIG_CRYPTO_LIB_DES=y
CONFIG_CRYPTO_LIB_MD5=y
CONFIG_CRYPTO_LIB_NH=y
CONFIG_CRYPTO_LIB_NH_ARCH=y
CONFIG_CRYPTO_LIB_POLY1305=y
CONFIG_CRYPTO_LIB_POLY1305_ARCH=y
CONFIG_CRYPTO_LIB_POLY1305_GENERIC=y
CONFIG_CRYPTO_LIB_POLY1305_RSIZE=11
CONFIG_CRYPTO_LIB_POLYVAL=y
CONFIG_CRYPTO_LIB_POLYVAL_ARCH=y
CONFIG_CRYPTO_LIB_CHACHA20POLY1305=y
CONFIG_CRYPTO_LIB_SHA1=y
CONFIG_CRYPTO_LIB_SHA1_ARCH=y
CONFIG_CRYPTO_LIB_SHA256=y
CONFIG_CRYPTO_LIB_SHA256_ARCH=y
CONFIG_CRYPTO_LIB_SHA512=y
CONFIG_CRYPTO_LIB_SHA512_ARCH=y
CONFIG_CRYPTO_LIB_SHA3=y
CONFIG_CRYPTO_LIB_SM3=y
# end of Crypto library routines

CONFIG_XXHASH=y
# CONFIG_RANDOM32_SELFTEST is not set
CONFIG_842_COMPRESS=y
CONFIG_842_DECOMPRESS=y
CONFIG_ZLIB_INFLATE=y
CONFIG_ZLIB_DEFLATE=y
CONFIG_LZO_COMPRESS=y
CONFIG_LZO_DECOMPRESS=y
CONFIG_LZ4_COMPRESS=y
CONFIG_LZ4HC_COMPRESS=y
CONFIG_LZ4_DECOMPRESS=y
CONFIG_ZSTD_COMMON=y
CONFIG_ZSTD_COMPRESS=y
CONFIG_ZSTD_DECOMPRESS=y
CONFIG_XZ_DEC=y
CONFIG_XZ_DEC_X86=y
CONFIG_XZ_DEC_POWERPC=y
CONFIG_XZ_DEC_ARM=y
CONFIG_XZ_DEC_ARMTHUMB=y
CONFIG_XZ_DEC_ARM64=y
CONFIG_XZ_DEC_SPARC=y
CONFIG_XZ_DEC_RISCV=y
# CONFIG_XZ_DEC_MICROLZMA is not set
CONFIG_XZ_DEC_BCJ=y
# CONFIG_XZ_DEC_TEST is not set
CONFIG_DECOMPRESS_GZIP=y
CONFIG_DECOMPRESS_BZIP2=y
CONFIG_DECOMPRESS_LZMA=y
CONFIG_DECOMPRESS_XZ=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_DECOMPRESS_LZ4=y
CONFIG_DECOMPRESS_ZSTD=y
CONFIG_GENERIC_ALLOCATOR=y
CONFIG_REED_SOLOMON=y
CONFIG_REED_SOLOMON_DEC8=y
CONFIG_TEXTSEARCH=y
CONFIG_TEXTSEARCH_KMP=y
CONFIG_TEXTSEARCH_BM=y
CONFIG_TEXTSEARCH_FSM=y
CONFIG_INTERVAL_TREE=y
CONFIG_INTERVAL_TREE_SPAN_ITER=y
CONFIG_XARRAY_MULTI=y
CONFIG_ASSOCIATIVE_ARRAY=y
CONFIG_CLOSURES=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_IOPORT_MAP=y
CONFIG_HAS_DMA=y
CONFIG_DMA_OPS_HELPERS=y
CONFIG_NEED_SG_DMA_FLAGS=y
CONFIG_NEED_SG_DMA_LENGTH=y
CONFIG_NEED_DMA_MAP_STATE=y
CONFIG_ARCH_DMA_ADDR_T_64BIT=y
CONFIG_DMA_DECLARE_COHERENT=y
CONFIG_SWIOTLB=y
# CONFIG_SWIOTLB_DYNAMIC is not set
CONFIG_DMA_NEED_SYNC=y
# CONFIG_DMA_RESTRICTED_POOL is not set
CONFIG_DMA_CMA=y
# CONFIG_DMA_NUMA_CMA is not set

#
# Default contiguous memory area size:
#
CONFIG_CMA_SIZE_MBYTES=0
CONFIG_CMA_SIZE_PERCENTAGE=0
# CONFIG_CMA_SIZE_SEL_MBYTES is not set
# CONFIG_CMA_SIZE_SEL_PERCENTAGE is not set
# CONFIG_CMA_SIZE_SEL_MIN is not set
CONFIG_CMA_SIZE_SEL_MAX=y
CONFIG_CMA_ALIGNMENT=8
# CONFIG_DMA_API_DEBUG is not set
# CONFIG_DMA_MAP_BENCHMARK is not set
CONFIG_SGL_ALLOC=y
CONFIG_CHECK_SIGNATURE=y
# CONFIG_CPUMASK_OFFSTACK is not set
CONFIG_CPU_RMAP=y
CONFIG_DQL=y
CONFIG_GLOB=y
CONFIG_NLATTR=y
CONFIG_CLZ_TAB=y
CONFIG_IRQ_POLL=y
CONFIG_MPILIB=y
CONFIG_SIGNATURE=y
CONFIG_DIMLIB=y
CONFIG_LIBFDT=y
CONFIG_OID_REGISTRY=y
CONFIG_HAVE_GENERIC_VDSO=y
CONFIG_GENERIC_GETTIMEOFDAY=y
CONFIG_GENERIC_VDSO_OVERFLOW_PROTECT=y
CONFIG_VDSO_GETRANDOM=y
CONFIG_FONT_SUPPORT=y
# CONFIG_FONTS is not set
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y
CONFIG_SG_POOL=y
CONFIG_ARCH_HAS_PMEM_API=y
CONFIG_MEMREGION=y
CONFIG_ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION=y
CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE=y
CONFIG_ARCH_HAS_COPY_MC=y
CONFIG_ARCH_STACKWALK=y
CONFIG_STACKDEPOT=y
CONFIG_STACKDEPOT_ALWAYS_INIT=y
CONFIG_STACKDEPOT_MAX_FRAMES=64
CONFIG_REF_TRACKER=y
CONFIG_SBITMAP=y
# CONFIG_LWQ_TEST is not set
# end of Library routines

CONFIG_FIRMWARE_TABLE=y
CONFIG_UNION_FIND=y

#
# Kernel hacking
#

#
# printk and dmesg options
#
CONFIG_PRINTK_TIME=y
CONFIG_PRINTK_CALLER=y
# CONFIG_STACKTRACE_BUILD_ID is not set
CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7
CONFIG_CONSOLE_LOGLEVEL_QUIET=4
CONFIG_MESSAGE_LOGLEVEL_DEFAULT=4
# CONFIG_BOOT_PRINTK_DELAY is not set
CONFIG_DYNAMIC_DEBUG=y
CONFIG_DYNAMIC_DEBUG_CORE=y
CONFIG_SYMBOLIC_ERRNAME=y
CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_BUGVERBOSE_DETAILED=y
# end of printk and dmesg options

CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_MISC=y

#
# Compile-time checks and compiler options
#
CONFIG_DEBUG_INFO=y
CONFIG_AS_HAS_NON_CONST_ULEB128=y
# CONFIG_DEBUG_INFO_NONE is not set
# CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT is not set
CONFIG_DEBUG_INFO_DWARF4=y
# CONFIG_DEBUG_INFO_DWARF5 is not set
# CONFIG_DEBUG_INFO_REDUCED is not set
CONFIG_DEBUG_INFO_COMPRESSED_NONE=y
# CONFIG_DEBUG_INFO_COMPRESSED_ZLIB is not set
# CONFIG_DEBUG_INFO_COMPRESSED_ZSTD is not set
# CONFIG_DEBUG_INFO_SPLIT is not set
# CONFIG_DEBUG_INFO_BTF is not set
CONFIG_PAHOLE_HAS_LANG_EXCLUDE=y
# CONFIG_GDB_SCRIPTS is not set
CONFIG_FRAME_WARN=2048
# CONFIG_STRIP_ASM_SYMS is not set
# CONFIG_READABLE_ASM is not set
# CONFIG_HEADERS_INSTALL is not set
# CONFIG_DEBUG_SECTION_MISMATCH is not set
CONFIG_SECTION_MISMATCH_WARN_ONLY=y
# CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B is not set
CONFIG_OBJTOOL=y
# CONFIG_OBJTOOL_WERROR is not set
CONFIG_NOINSTR_VALIDATION=y
# CONFIG_VMLINUX_MAP is not set
# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
# end of Compile-time checks and compiler options

#
# Generic Kernel Debugging Instruments
#
# CONFIG_MAGIC_SYSRQ is not set
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_FS_ALLOW_ALL=y
# CONFIG_DEBUG_FS_ALLOW_NONE is not set
CONFIG_HAVE_ARCH_KGDB=y
# CONFIG_KGDB is not set
CONFIG_ARCH_HAS_UBSAN=y
CONFIG_UBSAN=y
# CONFIG_UBSAN_TRAP is not set
CONFIG_CC_HAS_UBSAN_BOUNDS_STRICT=y
CONFIG_UBSAN_BOUNDS=y
CONFIG_UBSAN_BOUNDS_STRICT=y
CONFIG_UBSAN_SHIFT=y
# CONFIG_UBSAN_DIV_ZERO is not set
# CONFIG_UBSAN_BOOL is not set
# CONFIG_UBSAN_ENUM is not set
# CONFIG_UBSAN_ALIGNMENT is not set
# CONFIG_TEST_UBSAN is not set
CONFIG_HAVE_ARCH_KCSAN=y
CONFIG_HAVE_KCSAN_COMPILER=y
# end of Generic Kernel Debugging Instruments

#
# Networking Debugging
#
CONFIG_NET_DEV_REFCNT_TRACKER=y
CONFIG_NET_NS_REFCNT_TRACKER=y
CONFIG_DEBUG_NET=y
# CONFIG_DEBUG_NET_SMALL_RTNL is not set
# end of Networking Debugging

#
# Memory Debugging
#
CONFIG_PAGE_EXTENSION=y
# CONFIG_DEBUG_PAGEALLOC is not set
CONFIG_SLUB_DEBUG=y
# CONFIG_SLUB_DEBUG_ON is not set
CONFIG_SLUB_RCU_DEBUG=y
CONFIG_PAGE_OWNER=y
CONFIG_PAGE_TABLE_CHECK=y
CONFIG_PAGE_TABLE_CHECK_ENFORCED=y
CONFIG_PAGE_POISONING=y
# CONFIG_DEBUG_PAGE_REF is not set
# CONFIG_DEBUG_RODATA_TEST is not set
CONFIG_ARCH_HAS_DEBUG_WX=y
CONFIG_DEBUG_WX=y
CONFIG_ARCH_HAS_PTDUMP=y
CONFIG_PTDUMP=y
CONFIG_PTDUMP_DEBUGFS=y
CONFIG_HAVE_DEBUG_KMEMLEAK=y
# CONFIG_DEBUG_KMEMLEAK is not set
# CONFIG_PER_VMA_LOCK_STATS is not set
CONFIG_DEBUG_OBJECTS=y
# CONFIG_DEBUG_OBJECTS_SELFTEST is not set
CONFIG_DEBUG_OBJECTS_FREE=y
CONFIG_DEBUG_OBJECTS_TIMERS=y
CONFIG_DEBUG_OBJECTS_WORK=y
CONFIG_DEBUG_OBJECTS_RCU_HEAD=y
CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER=y
CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1
# CONFIG_SHRINKER_DEBUG is not set
CONFIG_DEBUG_STACK_USAGE=y
CONFIG_SCHED_STACK_END_CHECK=y
CONFIG_ARCH_HAS_DEBUG_VM_PGTABLE=y
CONFIG_DEBUG_VFS=y
CONFIG_DEBUG_VM_IRQSOFF=y
CONFIG_DEBUG_VM=y
CONFIG_DEBUG_VM_MAPLE_TREE=y
CONFIG_DEBUG_VM_RB=y
CONFIG_DEBUG_VM_PGFLAGS=y
CONFIG_DEBUG_VM_PGTABLE=y
CONFIG_ARCH_HAS_DEBUG_VIRTUAL=y
CONFIG_DEBUG_VIRTUAL=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_DEBUG_PER_CPU_MAPS=y
CONFIG_DEBUG_KMAP_LOCAL=y
CONFIG_ARCH_SUPPORTS_KMAP_LOCAL_FORCE_MAP=y
CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP=y
# CONFIG_MEM_ALLOC_PROFILING is not set
CONFIG_HAVE_ARCH_KASAN=y
CONFIG_HAVE_ARCH_KASAN_VMALLOC=y
CONFIG_CC_HAS_KASAN_GENERIC=y
CONFIG_CC_HAS_KASAN_SW_TAGS=y
CONFIG_CC_HAS_WORKING_NOSANITIZE_ADDRESS=y
CONFIG_KASAN=y
CONFIG_CC_HAS_KASAN_MEMINTRINSIC_PREFIX=y
CONFIG_KASAN_GENERIC=y
# CONFIG_KASAN_OUTLINE is not set
CONFIG_KASAN_INLINE=y
CONFIG_KASAN_STACK=y
CONFIG_KASAN_VMALLOC=y
# CONFIG_KASAN_EXTRA_INFO is not set
CONFIG_HAVE_ARCH_KFENCE=y
CONFIG_KFENCE=y
CONFIG_KFENCE_SAMPLE_INTERVAL=100
CONFIG_KFENCE_NUM_OBJECTS=255
# CONFIG_KFENCE_DEFERRABLE is not set
CONFIG_KFENCE_STATIC_KEYS=y
CONFIG_KFENCE_STRESS_TEST_FAULTS=0
CONFIG_HAVE_ARCH_KMSAN=y
# end of Memory Debugging

# CONFIG_DEBUG_SHIRQ is not set

#
# Debug Oops, Lockups and Hangs
#
CONFIG_PANIC_ON_OOPS=y
CONFIG_PANIC_TIMEOUT=86400
CONFIG_LOCKUP_DETECTOR=y
CONFIG_SOFTLOCKUP_DETECTOR=y
# CONFIG_SOFTLOCKUP_DETECTOR_INTR_STORM is not set
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=1
CONFIG_HAVE_HARDLOCKUP_DETECTOR_BUDDY=y
CONFIG_HARDLOCKUP_DETECTOR=y
# CONFIG_HARDLOCKUP_DETECTOR_PREFER_BUDDY is not set
CONFIG_HARDLOCKUP_DETECTOR_PERF=y
# CONFIG_HARDLOCKUP_DETECTOR_BUDDY is not set
# CONFIG_HARDLOCKUP_DETECTOR_ARCH is not set
CONFIG_HARDLOCKUP_DETECTOR_COUNTS_HRTIMER=y
CONFIG_HARDLOCKUP_CHECK_TIMESTAMP=y
CONFIG_BOOTPARAM_HARDLOCKUP_PANIC=y
CONFIG_DETECT_HUNG_TASK=y
CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=140
CONFIG_BOOTPARAM_HUNG_TASK_PANIC=1
# CONFIG_DETECT_HUNG_TASK_BLOCKER is not set
CONFIG_WQ_WATCHDOG=y
CONFIG_BOOTPARAM_WQ_STALL_PANIC=0
# CONFIG_WQ_CPU_INTENSIVE_REPORT is not set
# CONFIG_TEST_LOCKUP is not set
# end of Debug Oops, Lockups and Hangs

#
# Scheduler Debugging
#
CONFIG_SCHED_INFO=y
CONFIG_SCHEDSTATS=y
# end of Scheduler Debugging

CONFIG_DEBUG_PREEMPT=y
# CONFIG_DEBUG_ATOMIC is not set

#
# Lock Debugging (spinlocks, mutexes, etc...)
#
CONFIG_LOCK_DEBUGGING_SUPPORT=y
CONFIG_PROVE_LOCKING=y
CONFIG_PROVE_RAW_LOCK_NESTING=y
# CONFIG_LOCK_STAT is not set
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y
CONFIG_DEBUG_RWSEMS=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_LOCKDEP=y
CONFIG_LOCKDEP_BITS=20
CONFIG_LOCKDEP_CHAINS_BITS=20
CONFIG_LOCKDEP_STACK_TRACE_BITS=20
CONFIG_LOCKDEP_STACK_TRACE_HASH_BITS=14
CONFIG_LOCKDEP_CIRCULAR_QUEUE_BITS=12
# CONFIG_DEBUG_LOCKDEP is not set
CONFIG_DEBUG_ATOMIC_SLEEP=y
# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
# CONFIG_LOCK_TORTURE_TEST is not set
# CONFIG_WW_MUTEX_SELFTEST is not set
# CONFIG_SCF_TORTURE_TEST is not set
CONFIG_CSD_LOCK_WAIT_DEBUG=y
# CONFIG_CSD_LOCK_WAIT_DEBUG_DEFAULT is not set
# end of Lock Debugging (spinlocks, mutexes, etc...)

CONFIG_TRACE_IRQFLAGS=y
CONFIG_TRACE_IRQFLAGS_NMI=y
CONFIG_NMI_CHECK_CPU=y
CONFIG_DEBUG_IRQFLAGS=y
CONFIG_STACKTRACE=y
# CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_KOBJECT_RELEASE is not set

#
# Debug kernel data structures
#
CONFIG_DEBUG_LIST=y
CONFIG_DEBUG_PLIST=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
# CONFIG_DEBUG_CLOSURES is not set
CONFIG_DEBUG_MAPLE_TREE=y
# end of Debug kernel data structures

#
# RCU Debugging
#
CONFIG_PROVE_RCU=y
# CONFIG_RCU_SCALE_TEST is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_RCU_REF_SCALE_TEST is not set
CONFIG_RCU_CPU_STALL_TIMEOUT=100
CONFIG_RCU_EXP_CPU_STALL_TIMEOUT=0
# CONFIG_RCU_CPU_STALL_CPUTIME is not set
# CONFIG_RCU_TRACE is not set
CONFIG_RCU_EQS_DEBUG=y
# end of RCU Debugging

# CONFIG_DEBUG_WQ_FORCE_RR_CPU is not set
# CONFIG_CPU_HOTPLUG_STATE_CONTROL is not set
# CONFIG_LATENCYTOP is not set
CONFIG_USER_STACKTRACE_SUPPORT=y
CONFIG_NOP_TRACER=y
CONFIG_HAVE_RETHOOK=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_DYNAMIC_FTRACE_WITH_REGS=y
CONFIG_HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS=y
CONFIG_HAVE_DYNAMIC_FTRACE_WITH_ARGS=y
CONFIG_HAVE_FTRACE_REGS_HAVING_PT_REGS=y
CONFIG_HAVE_DYNAMIC_FTRACE_NO_PATCHABLE=y
CONFIG_HAVE_DYNAMIC_FTRACE_WITH_JMP=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_HAVE_FENTRY=y
CONFIG_HAVE_OBJTOOL_MCOUNT=y
CONFIG_HAVE_OBJTOOL_NOP_MCOUNT=y
CONFIG_HAVE_C_RECORDMCOUNT=y
CONFIG_HAVE_BUILDTIME_MCOUNT_SORT=y
CONFIG_TRACE_CLOCK=y
CONFIG_RING_BUFFER=y
CONFIG_EVENT_TRACING=y
CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_PREEMPTIRQ_TRACEPOINTS=y
CONFIG_TRACING=y
CONFIG_GENERIC_TRACER=y
CONFIG_TRACING_SUPPORT=y
CONFIG_FTRACE=y
CONFIG_TRACEFS_AUTOMOUNT_DEPRECATED=y
# CONFIG_BOOTTIME_TRACING is not set
# CONFIG_FUNCTION_TRACER is not set
# CONFIG_STACK_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_PREEMPT_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_HWLAT_TRACER is not set
# CONFIG_OSNOISE_TRACER is not set
# CONFIG_TIMERLAT_TRACER is not set
# CONFIG_MMIOTRACE is not set
# CONFIG_FTRACE_SYSCALLS is not set
# CONFIG_TRACER_SNAPSHOT is not set
CONFIG_BRANCH_PROFILE_NONE=y
# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
CONFIG_BLK_DEV_IO_TRACE=y
CONFIG_UPROBE_EVENTS=y
CONFIG_EPROBE_EVENTS=y
CONFIG_BPF_EVENTS=y
CONFIG_DYNAMIC_EVENTS=y
CONFIG_PROBE_EVENTS=y
# CONFIG_SYNTH_EVENTS is not set
# CONFIG_USER_EVENTS is not set
# CONFIG_HIST_TRIGGERS is not set
CONFIG_TRACE_EVENT_INJECT=y
# CONFIG_TRACEPOINT_BENCHMARK is not set
# CONFIG_RING_BUFFER_BENCHMARK is not set
# CONFIG_TRACE_EVAL_MAP_FILE is not set
# CONFIG_FTRACE_STARTUP_TEST is not set
# CONFIG_RING_BUFFER_STARTUP_TEST is not set
CONFIG_RING_BUFFER_VALIDATE_TIME_DELTAS=y
# CONFIG_PREEMPTIRQ_DELAY_TEST is not set
# CONFIG_RV is not set
CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
# CONFIG_SAMPLES is not set
CONFIG_HAVE_SAMPLE_FTRACE_DIRECT=y
CONFIG_HAVE_SAMPLE_FTRACE_DIRECT_MULTI=y
CONFIG_ARCH_HAS_DEVMEM_IS_ALLOWED=y
# CONFIG_STRICT_DEVMEM is not set

#
# x86 Debugging
#
CONFIG_EARLY_PRINTK_USB=y
CONFIG_X86_VERBOSE_BOOTUP=y
CONFIG_EARLY_PRINTK=y
CONFIG_EARLY_PRINTK_DBGP=y
# CONFIG_EARLY_PRINTK_USB_XDBC is not set
# CONFIG_DEBUG_TLBFLUSH is not set
CONFIG_HAVE_MMIOTRACE_SUPPORT=y
# CONFIG_X86_DECODER_SELFTEST is not set
CONFIG_IO_DELAY_0X80=y
# CONFIG_IO_DELAY_0XED is not set
# CONFIG_IO_DELAY_UDELAY is not set
# CONFIG_IO_DELAY_NONE is not set
CONFIG_DEBUG_BOOT_PARAMS=y
# CONFIG_CPA_DEBUG is not set
CONFIG_DEBUG_ENTRY=y
# CONFIG_DEBUG_NMI_SELFTEST is not set
CONFIG_X86_DEBUG_FPU=y
# CONFIG_PUNIT_ATOM_DEBUG is not set
CONFIG_UNWINDER_ORC=y
# CONFIG_UNWINDER_FRAME_POINTER is not set
# end of x86 Debugging

#
# Kernel Testing and Coverage
#
# CONFIG_KUNIT is not set
# CONFIG_NOTIFIER_ERROR_INJECTION is not set
CONFIG_FAULT_INJECTION=y
CONFIG_FAILSLAB=y
CONFIG_FAIL_PAGE_ALLOC=y
CONFIG_FAULT_INJECTION_USERCOPY=y
CONFIG_FAIL_MAKE_REQUEST=y
CONFIG_FAIL_IO_TIMEOUT=y
CONFIG_FAIL_FUTEX=y
CONFIG_FAULT_INJECTION_DEBUG_FS=y
# CONFIG_FAIL_MMC_REQUEST is not set
# CONFIG_FAIL_SKB_REALLOC is not set
CONFIG_FAULT_INJECTION_CONFIGFS=y
# CONFIG_FAULT_INJECTION_STACKTRACE_FILTER is not set
CONFIG_ARCH_HAS_KCOV=y
CONFIG_KCOV=y
CONFIG_KCOV_ENABLE_COMPARISONS=y
CONFIG_KCOV_INSTRUMENT_ALL=y
CONFIG_KCOV_IRQ_AREA_SIZE=0x40000
# CONFIG_KCOV_SELFTEST is not set
CONFIG_RUNTIME_TESTING_MENU=y
# CONFIG_TEST_DHRY is not set
# CONFIG_LKDTM is not set
# CONFIG_TEST_DIV64 is not set
# CONFIG_TEST_MULDIV64 is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_TEST_REF_TRACKER is not set
# CONFIG_RBTREE_TEST is not set
# CONFIG_REED_SOLOMON_TEST is not set
# CONFIG_INTERVAL_TREE_TEST is not set
# CONFIG_PERCPU_TEST is not set
# CONFIG_ATOMIC64_SELFTEST is not set
# CONFIG_ASYNC_RAID6_TEST is not set
# CONFIG_TEST_HEXDUMP is not set
# CONFIG_TEST_KSTRTOX is not set
# CONFIG_TEST_BITMAP is not set
# CONFIG_TEST_XARRAY is not set
# CONFIG_TEST_MAPLE_TREE is not set
# CONFIG_TEST_RHASHTABLE is not set
# CONFIG_TEST_IDA is not set
# CONFIG_TEST_LKM is not set
# CONFIG_TEST_BITOPS is not set
# CONFIG_TEST_VMALLOC is not set
# CONFIG_TEST_BPF is not set
# CONFIG_FIND_BIT_BENCHMARK is not set
# CONFIG_TEST_FIRMWARE is not set
# CONFIG_TEST_SYSCTL is not set
# CONFIG_CONTEXT_ANALYSIS_TEST is not set
# CONFIG_TEST_UDELAY is not set
# CONFIG_TEST_STATIC_KEYS is not set
# CONFIG_TEST_DYNAMIC_DEBUG is not set
# CONFIG_TEST_KMOD is not set
# CONFIG_TEST_KALLSYMS is not set
# CONFIG_TEST_DEBUG_VIRTUAL is not set
# CONFIG_TEST_MEMCAT_P is not set
# CONFIG_TEST_MEMINIT is not set
# CONFIG_TEST_HMM is not set
# CONFIG_TEST_FREE_PAGES is not set
# CONFIG_TEST_CLOCKSOURCE_WATCHDOG is not set
# CONFIG_TEST_OBJPOOL is not set
CONFIG_ARCH_USE_MEMTEST=y
# CONFIG_MEMTEST is not set
# end of Kernel Testing and Coverage

#
# Rust hacking
#
# end of Rust hacking
# end of Kernel hacking

CONFIG_IO_URING_ZCRX=y
CONFIG_IO_URING_BPF=y
KernelRepo git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
ReproCID 0
ReproOpts
ReproSyzID 0
SyzkallerCommit 5b92003d577daa0766edda7ed533d75e1ac545ff

Outputs:
DenialOfService
Exploitable
FilesystemTrigger
NetworkTrigger
PeripheralTrigger
RemoteTrigger
Unprivileged
UserNamespace
VMGuestTrigger
VMHostTrigger
Explanation
**Analysis of the Bug Report**

The bug report describes a lockdep warning: `HARDIRQ-safe -> HARDIRQ-unsafe lock
order detected`.
This indicates a potential AB-BA deadlock involving an interrupt context.

The locks involved are:
1. `&port_lock_key` (HARDIRQ-safe): This is a per-port spinlock used by the
`serial_core` subsystem to protect serial port state (e.g., 8250 UART). It is
acquired with interrupts disabled (e.g., `uart_port_lock_irqsave`) and is also
acquired in the hardirq context by the serial interrupt handler.
2. `disc_data_lock` (HARDIRQ-unsafe): This is a global read-write lock
(`DEFINE_RWLOCK(disc_data_lock)`) defined in `drivers/net/ppp/ppp_synctty.c`. It
is acquired with `read_lock()` (which does not disable interrupts) in
`sp_get()`, and with `write_lock_irq()` in `ppp_sync_close()`.

**Deadlock Scenario:**
The lockdep warning highlights the following potential deadlock:
- **CPU0** acquires `disc_data_lock` (read lock) with interrupts enabled (e.g.,
via a `TIOCSETD` or `PPPIOCGCHAN` ioctl on a TTY using the `N_SYNC_PPP` line
discipline).
- **CPU2** attempts to acquire `disc_data_lock` (write lock) via
`ppp_sync_close()` and blocks because CPU0 holds the read lock.
- **CPU1** opens a serial port that is already configured with the `N_SYNC_PPP`
line discipline. During the open, `tty_port_block_til_ready()` calls
`uart_carrier_raised()`, which acquires `&port_lock_key` (disabling interrupts).
It then calls `sp_get()` (via `uart_write_wakeup` -> `tty_wakeup` ->
`ppp_sync_wakeup`), which attempts to acquire `disc_data_lock` (read lock).
Because CPU2 is waiting for a write lock, CPU1's read lock request blocks
(writer priority), causing CPU1 to spin with interrupts disabled while holding
`&port_lock_key`.
- **CPU0** receives a serial hardware interrupt. The interrupt handler
(`serial8250_interrupt`) attempts to acquire `&port_lock_key` and blocks because
CPU1 holds it.
- **Result:** Deadlock! CPU0 is waiting for CPU1, CPU1 is waiting for CPU2, and
CPU2 is waiting for CPU0.

**Security Impact Assessment:**

* **Exploitable:** No. This is a classic lock inversion bug leading to a
deadlock. It does not cause memory corruption, out-of-bounds access, or
use-after-free, so it cannot be exploited for privilege escalation or arbitrary
code execution.
* **Denial Of Service:** Yes. If the race condition is hit, the involved CPUs
will deadlock, leading to a system hang or panic (if lockup detectors are
enabled), which constitutes a Denial of Service.
* **Accessible From Unprivileged Processes:** No. While an unprivileged user can
open a pseudo-terminal (PTY) and set its line discipline to `N_SYNC_PPP` (via
`TIOCSETD`), PTYs do not use `serial_core` and therefore do not use
`&port_lock_key`. To create the lock dependency and trigger the deadlock, the
`N_SYNC_PPP` line discipline must be attached to a physical serial port (e.g.,
`/dev/ttyS0`). By default, serial device nodes are owned by `root:dialout` with
`0660` permissions, meaning unprivileged users cannot open them.
* **Accessible From User Namespaces:** No. User namespaces do not grant access
to physical device nodes like serial ports.
* **VM Guest / Host Trigger:** No. The bug is in the host's serial and PPP
subsystems and cannot be triggered by a guest, nor can a host trigger it in a
confidential computing guest.
* **Network / Remote / Peripheral / Filesystem Trigger:** No. This bug requires
local access to open and configure a serial port with a specific line
discipline. Plugging in a USB serial device creates a port but does not
automatically configure it with `N_SYNC_PPP`.

Crash report:
=====================================================
WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
syzkaller #0 Tainted: G             L     
-----------------------------------------------------
syz.8.6666/32332 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
ffffffff8fa16298 (disc_data_lock){.+.+}-{3:3}, at: sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138

and this task is already holding:
ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_port_ref_lock drivers/tty/serial/serial_core.c:83 [inline]
ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_carrier_raised+0xfa/0x7c0 drivers/tty/serial/serial_core.c:1876
which would create a new lock dependency:
 (&port_lock_key){-.-.}-{3:3} -> (disc_data_lock){.+.+}-{3:3}

but this new dependency connects a HARDIRQ-irq-safe lock:
 (&port_lock_key){-.-.}-{3:3}

... which became HARDIRQ-irq-safe at:
  lock_acquire kernel/locking/lockdep.c:5868 [inline]
  lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
  __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
  _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
  uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
  class_uart_port_lock_irqsave_constructor include/linux/serial_core.h:797 [inline]
  serial8250_handle_irq.part.0+0x28/0x550 drivers/tty/serial/8250/8250_port.c:1840
  serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1837 [inline]
  serial8250_default_handle_irq+0xc2/0x2a0 drivers/tty/serial/8250/8250_port.c:1855
  serial8250_interrupt+0xf8/0x1d0 drivers/tty/serial/8250/8250_core.c:86
  __handle_irq_event_percpu+0x232/0x8e0 kernel/irq/handle.c:209
  handle_irq_event_percpu kernel/irq/handle.c:246 [inline]
  handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:263
  handle_edge_irq+0x375/0x970 kernel/irq/chip.c:855
  generic_handle_irq_desc include/linux/irqdesc.h:186 [inline]
  handle_irq arch/x86/kernel/irq.c:262 [inline]
  call_irq_handler arch/x86/kernel/irq.c:318 [inline]
  __common_interrupt+0xd8/0x2f0 arch/x86/kernel/irq.c:333
  common_interrupt+0xb9/0xe0 arch/x86/kernel/irq.c:326
  asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688
  native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
  pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:62
  arch_safe_halt arch/x86/include/asm/paravirt.h:73 [inline]
  default_idle+0x9/0x10 arch/x86/kernel/process.c:767
  default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
  cpuidle_idle_call kernel/sched/idle.c:199 [inline]
  do_idle+0x464/0x590 kernel/sched/idle.c:352
  cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:451
  start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
  common_startup_64+0x13e/0x148

to a HARDIRQ-irq-unsafe lock:
 (disc_data_lock){.+.+}-{3:3}

... which became HARDIRQ-irq-unsafe at:
...
  lock_acquire kernel/locking/lockdep.c:5868 [inline]
  lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
  __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
  _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
  sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
  ppp_synctty_ioctl+0x23/0x250 drivers/net/ppp/ppp_synctty.c:278
  tty_ioctl+0x1204/0x1690 drivers/tty/tty_io.c:2801
  vfs_ioctl fs/ioctl.c:51 [inline]
  __do_sys_ioctl fs/ioctl.c:597 [inline]
  __se_sys_ioctl fs/ioctl.c:583 [inline]
  __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
  do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
  do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
  entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

 Possible interrupt unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(disc_data_lock);
                               local_irq_disable();
                               lock(&port_lock_key);
                               lock(disc_data_lock);
  <Interrupt>
    lock(&port_lock_key);

 *** DEADLOCK ***

3 locks held by syz.8.6666/32332:
 #0: ffff8880592af1c0 (&tty->legacy_mutex){+.+.}-{4:4}, at: tty_lock_interruptible+0x75/0xe0 drivers/tty/tty_mutex.c:27
 #1: ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
 #1: ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_port_ref_lock drivers/tty/serial/serial_core.c:83 [inline]
 #1: ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_carrier_raised+0xfa/0x7c0 drivers/tty/serial/serial_core.c:1876
 #2: ffff8880592af0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref+0x21/0x90 drivers/tty/tty_ldisc.c:263

the dependencies between HARDIRQ-irq-safe lock and the holding lock:
-> (&port_lock_key){-.-.}-{3:3} {
   IN-HARDIRQ-W at:
                    lock_acquire kernel/locking/lockdep.c:5868 [inline]
                    lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                    __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
                    _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
                    uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
                    class_uart_port_lock_irqsave_constructor include/linux/serial_core.h:797 [inline]
                    serial8250_handle_irq.part.0+0x28/0x550 drivers/tty/serial/8250/8250_port.c:1840
                    serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1837 [inline]
                    serial8250_default_handle_irq+0xc2/0x2a0 drivers/tty/serial/8250/8250_port.c:1855
                    serial8250_interrupt+0xf8/0x1d0 drivers/tty/serial/8250/8250_core.c:86
                    __handle_irq_event_percpu+0x232/0x8e0 kernel/irq/handle.c:209
                    handle_irq_event_percpu kernel/irq/handle.c:246 [inline]
                    handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:263
                    handle_edge_irq+0x375/0x970 kernel/irq/chip.c:855
                    generic_handle_irq_desc include/linux/irqdesc.h:186 [inline]
                    handle_irq arch/x86/kernel/irq.c:262 [inline]
                    call_irq_handler arch/x86/kernel/irq.c:318 [inline]
                    __common_interrupt+0xd8/0x2f0 arch/x86/kernel/irq.c:333
                    common_interrupt+0xb9/0xe0 arch/x86/kernel/irq.c:326
                    asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688
                    native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
                    pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:62
                    arch_safe_halt arch/x86/include/asm/paravirt.h:73 [inline]
                    default_idle+0x9/0x10 arch/x86/kernel/process.c:767
                    default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
                    cpuidle_idle_call kernel/sched/idle.c:199 [inline]
                    do_idle+0x464/0x590 kernel/sched/idle.c:352
                    cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:451
                    start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
                    common_startup_64+0x13e/0x148
   IN-SOFTIRQ-W at:
                    lock_acquire kernel/locking/lockdep.c:5868 [inline]
                    lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                    __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
                    _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
                    uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
                    class_uart_port_lock_irqsave_constructor include/linux/serial_core.h:797 [inline]
                    serial8250_handle_irq.part.0+0x28/0x550 drivers/tty/serial/8250/8250_port.c:1840
                    serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1837 [inline]
                    serial8250_default_handle_irq+0xc2/0x2a0 drivers/tty/serial/8250/8250_port.c:1855
                    serial8250_interrupt+0xf8/0x1d0 drivers/tty/serial/8250/8250_core.c:86
                    __handle_irq_event_percpu+0x232/0x8e0 kernel/irq/handle.c:209
                    handle_irq_event_percpu kernel/irq/handle.c:246 [inline]
                    handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:263
                    handle_edge_irq+0x375/0x970 kernel/irq/chip.c:855
                    generic_handle_irq_desc include/linux/irqdesc.h:186 [inline]
                    handle_irq arch/x86/kernel/irq.c:262 [inline]
                    call_irq_handler arch/x86/kernel/irq.c:318 [inline]
                    __common_interrupt+0xd8/0x2f0 arch/x86/kernel/irq.c:333
                    common_interrupt+0x60/0xe0 arch/x86/kernel/irq.c:326
                    asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688
                    variable_ffs arch/x86/include/asm/bitops.h:312 [inline]
                    handle_softirqs+0x1af/0x9e0 kernel/softirq.c:610
                    __do_softirq kernel/softirq.c:656 [inline]
                    invoke_softirq kernel/softirq.c:496 [inline]
                    __irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
                    irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
                    instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
                    sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056
                    asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
                    console_flush_one_record+0xac3/0xe50 kernel/printk/printk.c:3270
                    console_flush_all kernel/printk/printk.c:3343 [inline]
                    __console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
                    console_unlock+0x103/0x260 kernel/printk/printk.c:3413
                    vprintk_emit+0x407/0x6b0 kernel/printk/printk.c:2479
                    _printk+0xcf/0x110 kernel/printk/printk.c:2504
                    kauditd_printk_skb kernel/audit.c:587 [inline]
                    kauditd_hold_skb.cold+0x3f/0x4e kernel/audit.c:622
                    kauditd_send_queue+0x232/0x2e0 kernel/audit.c:807
                    kauditd_thread+0x645/0xb30 kernel/audit.c:931
                    kthread+0x370/0x450 kernel/kthread.c:436
                    ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
                    ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
   INITIAL USE at:
                   lock_acquire kernel/locking/lockdep.c:5868 [inline]
                   lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                   __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
                   _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
                   uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
                   class_uart_port_lock_irqsave_constructor include/linux/serial_core.h:797 [inline]
                   serial8250_do_set_termios+0x330/0x1730 drivers/tty/serial/8250/8250_port.c:2774
                   serial8250_set_termios+0x73/0x90 drivers/tty/serial/8250/8250_port.c:2801
                   uart_set_options+0x316/0x5e0 drivers/tty/serial/serial_core.c:2237
                   serial8250_console_setup+0x189/0x450 drivers/tty/serial/8250/8250_port.c:3420
                   univ8250_console_setup+0x1eb/0x2e0 drivers/tty/serial/8250/8250_core.c:430
                   console_call_setup kernel/printk/printk.c:3882 [inline]
                   console_call_setup kernel/printk/printk.c:3873 [inline]
                   try_enable_preferred_console+0x2fd/0x530 kernel/printk/printk.c:3926
                   register_console+0x350/0xf50 kernel/printk/printk.c:4120
                   univ8250_console_init+0x6f/0x80 drivers/tty/serial/8250/8250_core.c:515
                   console_init+0x423/0x620 kernel/printk/printk.c:4407
                   start_kernel+0x305/0x480 init/main.c:1147
                   x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
                   x86_64_start_kernel+0x12b/0x130 arch/x86/kernel/head64.c:291
                   common_startup_64+0x13e/0x148
 }
 ... key      at: [<ffffffff9b4a68c0>] port_lock_key+0x0/0x40

the dependencies between the lock to be acquired
 and HARDIRQ-irq-unsafe lock:
-> (disc_data_lock){.+.+}-{3:3} {
   HARDIRQ-ON-R at:
                    lock_acquire kernel/locking/lockdep.c:5868 [inline]
                    lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                    __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
                    _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
                    sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
                    ppp_synctty_ioctl+0x23/0x250 drivers/net/ppp/ppp_synctty.c:278
                    tty_ioctl+0x1204/0x1690 drivers/tty/tty_io.c:2801
                    vfs_ioctl fs/ioctl.c:51 [inline]
                    __do_sys_ioctl fs/ioctl.c:597 [inline]
                    __se_sys_ioctl fs/ioctl.c:583 [inline]
                    __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
                    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
                    do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
                    entry_SYSCALL_64_after_hwframe+0x77/0x7f
   SOFTIRQ-ON-R at:
                    lock_acquire kernel/locking/lockdep.c:5868 [inline]
                    lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                    __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
                    _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
                    sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
                    ppp_synctty_ioctl+0x23/0x250 drivers/net/ppp/ppp_synctty.c:278
                    tty_ioctl+0x1204/0x1690 drivers/tty/tty_io.c:2801
                    vfs_ioctl fs/ioctl.c:51 [inline]
                    __do_sys_ioctl fs/ioctl.c:597 [inline]
                    __se_sys_ioctl fs/ioctl.c:583 [inline]
                    __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
                    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
                    do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
                    entry_SYSCALL_64_after_hwframe+0x77/0x7f
   INITIAL USE at:
                   lock_acquire kernel/locking/lockdep.c:5868 [inline]
                   lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                   __raw_write_lock_irq include/linux/rwlock_api_smp.h:211 [inline]
                   _raw_write_lock_irq+0x36/0x50 kernel/locking/spinlock.c:326
                   ppp_sync_close+0x1c/0x170 drivers/net/ppp/ppp_synctty.c:218
                   tty_ldisc_close+0x114/0x1a0 drivers/tty/tty_ldisc.c:455
                   tty_ldisc_kill+0x8e/0x150 drivers/tty/tty_ldisc.c:613
                   tty_ldisc_release+0x107/0x2f0 drivers/tty/tty_ldisc.c:781
                   tty_release_struct+0x23/0xe0 drivers/tty/tty_io.c:1681
                   tty_release+0xd7a/0x1300 drivers/tty/tty_io.c:1852
                   __fput+0x3ff/0xb40 fs/file_table.c:469
                   task_work_run+0x150/0x240 kernel/task_work.c:233
                   resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
                   __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
                   exit_to_user_mode_loop+0x100/0x4a0 kernel/entry/common.c:98
                   __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
                   syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
                   syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline]
                   do_syscall_64+0x67c/0xf80 arch/x86/entry/syscall_64.c:100
                   entry_SYSCALL_64_after_hwframe+0x77/0x7f
   INITIAL READ USE at:
                        lock_acquire kernel/locking/lockdep.c:5868 [inline]
                        lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                        __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
                        _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
                        sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
                        ppp_synctty_ioctl+0x23/0x250 drivers/net/ppp/ppp_synctty.c:278
                        tty_ioctl+0x1204/0x1690 drivers/tty/tty_io.c:2801
                        vfs_ioctl fs/ioctl.c:51 [inline]
                        __do_sys_ioctl fs/ioctl.c:597 [inline]
                        __se_sys_ioctl fs/ioctl.c:583 [inline]
                        __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
                        do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
                        do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
                        entry_SYSCALL_64_after_hwframe+0x77/0x7f
 }
 ... key      at: [<ffffffff8fa16298>] disc_data_lock+0x18/0x1120 mkiss.c:-1
 ... acquired at:
   lock_acquire kernel/locking/lockdep.c:5868 [inline]
   lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
   __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
   _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
   sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
   ppp_sync_wakeup+0x18/0xc0 drivers/net/ppp/ppp_synctty.c:345
   tty_wakeup+0xe8/0x120 drivers/tty/tty_io.c:515
   tty_port_default_wakeup+0x47/0x60 drivers/tty/tty_port.c:67
   uart_write_wakeup drivers/tty/serial/serial_core.c:121 [inline]
   uart_handle_cts_change+0x1ea/0x300 drivers/tty/serial/serial_core.c:3400
   serial8250_modem_status+0x281/0x2f0 drivers/tty/serial/8250/8250_port.c:1751
   serial8250_do_get_mctrl+0xbb/0x390 drivers/tty/serial/8250/8250_port.c:1900
   serial8250_get_mctrl+0x5c/0x80 drivers/tty/serial/8250/8250_port.c:1914
   uart_carrier_raised+0x22c/0x7c0 drivers/tty/serial/serial_core.c:1886
   tty_port_carrier_raised drivers/tty/tty_port.c:420 [inline]
   tty_port_block_til_ready+0x470/0x8c0 drivers/tty/tty_port.c:538
   tty_port_open+0x13e/0x270 drivers/tty/tty_port.c:753
   uart_open+0x41/0x60 drivers/tty/serial/serial_core.c:1929
   tty_open+0x3dd/0xfa0 drivers/tty/tty_io.c:2137
   chrdev_open+0x234/0x6a0 fs/char_dev.c:411
   do_dentry_open+0x6d8/0x1660 fs/open.c:949
   vfs_open+0x82/0x3f0 fs/open.c:1081
   do_open fs/namei.c:4671 [inline]
   path_openat+0x208c/0x31a0 fs/namei.c:4830
   do_file_open+0x20e/0x430 fs/namei.c:4859
   do_sys_openat2+0x10d/0x1e0 fs/open.c:1366
   do_sys_open fs/open.c:1372 [inline]
   __do_sys_openat fs/open.c:1388 [inline]
   __se_sys_openat fs/open.c:1383 [inline]
   __x64_sys_openat+0x12d/0x210 fs/open.c:1383
   do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
   do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
   entry_SYSCALL_64_after_hwframe+0x77/0x7f


stack backtrace:
CPU: 0 UID: 0 PID: 32332 Comm: syz.8.6666 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_bad_irq_dependency kernel/locking/lockdep.c:2616 [inline]
 check_irq_usage+0x7aa/0x810 kernel/locking/lockdep.c:2857
 check_prev_add kernel/locking/lockdep.c:3169 [inline]
 check_prevs_add kernel/locking/lockdep.c:3284 [inline]
 validate_chain kernel/locking/lockdep.c:3908 [inline]
 __lock_acquire+0x14cf/0x2630 kernel/locking/lockdep.c:5237
 lock_acquire kernel/locking/lockdep.c:5868 [inline]
 lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
 __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
 _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
 sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
 ppp_sync_wakeup+0x18/0xc0 drivers/net/ppp/ppp_synctty.c:345
 tty_wakeup+0xe8/0x120 drivers/tty/tty_io.c:515
 tty_port_default_wakeup+0x47/0x60 drivers/tty/tty_port.c:67
 uart_write_wakeup drivers/tty/serial/serial_core.c:121 [inline]
 uart_handle_cts_change+0x1ea/0x300 drivers/tty/serial/serial_core.c:3400
 serial8250_modem_status+0x281/0x2f0 drivers/tty/serial/8250/8250_port.c:1751
 serial8250_do_get_mctrl+0xbb/0x390 drivers/tty/serial/8250/8250_port.c:1900
 serial8250_get_mctrl+0x5c/0x80 drivers/tty/serial/8250/8250_port.c:1914
 uart_carrier_raised+0x22c/0x7c0 drivers/tty/serial/serial_core.c:1886
 tty_port_carrier_raised drivers/tty/tty_port.c:420 [inline]
 tty_port_block_til_ready+0x470/0x8c0 drivers/tty/tty_port.c:538
 tty_port_open+0x13e/0x270 drivers/tty/tty_port.c:753
 uart_open+0x41/0x60 drivers/tty/serial/serial_core.c:1929
 tty_open+0x3dd/0xfa0 drivers/tty/tty_io.c:2137
 chrdev_open+0x234/0x6a0 fs/char_dev.c:411
 do_dentry_open+0x6d8/0x1660 fs/open.c:949
 vfs_open+0x82/0x3f0 fs/open.c:1081
 do_open fs/namei.c:4671 [inline]
 path_openat+0x208c/0x31a0 fs/namei.c:4830
 do_file_open+0x20e/0x430 fs/namei.c:4859
 do_sys_openat2+0x10d/0x1e0 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb553d9c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb554ce0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb554015fa0 RCX: 00007fb553d9c799
RDX: 0000000000020040 RSI: 0000200000000140 RDI: 00000000ffffff9c
RBP: 00007fb553e32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb554016038 R14: 00007fb554015fa0 R15: 00007ffd304583e8
 </TASK>

Trajectory: (Expand/Collapse All)
Seq Timestamp Type Name Duration
0/0 2026/05/16 01:02 flow assessment-security
54m Results:
map[DenialOfService:true Explanation:**Analysis of the Bug Report**

The bug report describes a lockdep warning: `HARDIRQ-safe -> HARDIRQ-unsafe lock
order detected`.
This indicates a potential AB-BA deadlock involving an interrupt context.

The locks involved are:
1. `&port_lock_key` (HARDIRQ-safe): This is a per-port spinlock used by the
`serial_core` subsystem to protect serial port state (e.g., 8250 UART). It is
acquired with interrupts disabled (e.g., `uart_port_lock_irqsave`) and is also
acquired in the hardirq context by the serial interrupt handler.
2. `disc_data_lock` (HARDIRQ-unsafe): This is a global read-write lock
(`DEFINE_RWLOCK(disc_data_lock)`) defined in `drivers/net/ppp/ppp_synctty.c`. It
is acquired with `read_lock()` (which does not disable interrupts) in
`sp_get()`, and with `write_lock_irq()` in `ppp_sync_close()`.

**Deadlock Scenario:**
The lockdep warning highlights the following potential deadlock:
- **CPU0** acquires `disc_data_lock` (read lock) with interrupts enabled (e.g.,
via a `TIOCSETD` or `PPPIOCGCHAN` ioctl on a TTY using the `N_SYNC_PPP` line
discipline).
- **CPU2** attempts to acquire `disc_data_lock` (write lock) via
`ppp_sync_close()` and blocks because CPU0 holds the read lock.
- **CPU1** opens a serial port that is already configured with the `N_SYNC_PPP`
line discipline. During the open, `tty_port_block_til_ready()` calls
`uart_carrier_raised()`, which acquires `&port_lock_key` (disabling interrupts).
It then calls `sp_get()` (via `uart_write_wakeup` -> `tty_wakeup` ->
`ppp_sync_wakeup`), which attempts to acquire `disc_data_lock` (read lock).
Because CPU2 is waiting for a write lock, CPU1's read lock request blocks
(writer priority), causing CPU1 to spin with interrupts disabled while holding
`&port_lock_key`.
- **CPU0** receives a serial hardware interrupt. The interrupt handler
(`serial8250_interrupt`) attempts to acquire `&port_lock_key` and blocks because
CPU1 holds it.
- **Result:** Deadlock! CPU0 is waiting for CPU1, CPU1 is waiting for CPU2, and
CPU2 is waiting for CPU0.

**Security Impact Assessment:**

* **Exploitable:** No. This is a classic lock inversion bug leading to a
deadlock. It does not cause memory corruption, out-of-bounds access, or
use-after-free, so it cannot be exploited for privilege escalation or arbitrary
code execution.
* **Denial Of Service:** Yes. If the race condition is hit, the involved CPUs
will deadlock, leading to a system hang or panic (if lockup detectors are
enabled), which constitutes a Denial of Service.
* **Accessible From Unprivileged Processes:** No. While an unprivileged user can
open a pseudo-terminal (PTY) and set its line discipline to `N_SYNC_PPP` (via
`TIOCSETD`), PTYs do not use `serial_core` and therefore do not use
`&port_lock_key`. To create the lock dependency and trigger the deadlock, the
`N_SYNC_PPP` line discipline must be attached to a physical serial port (e.g.,
`/dev/ttyS0`). By default, serial device nodes are owned by `root:dialout` with
`0660` permissions, meaning unprivileged users cannot open them.
* **Accessible From User Namespaces:** No. User namespaces do not grant access
to physical device nodes like serial ports.
* **VM Guest / Host Trigger:** No. The bug is in the host's serial and PPP
subsystems and cannot be triggered by a guest, nor can a host trigger it in a
confidential computing guest.
* **Network / Remote / Peripheral / Filesystem Trigger:** No. This bug requires
local access to open and configure a serial port with a specific line
discipline. Plugging in a USB serial device creates a port but does not
automatically configure it with `N_SYNC_PPP`. Exploitable:false FilesystemTrigger:false NetworkTrigger:false PeripheralTrigger:false RemoteTrigger:false Unprivileged:false UserNamespace:false VMGuestTrigger:false VMHostTrigger:false]

1/1 2026/05/16 01:02 action syz-repro-to-c-repro
0m Results:
map[SimplifiedCRepro:]

2/1 2026/05/16 01:02 action kernel-checkouter
2m Results:
map[KernelSrc:/app/workdir/cache/src/6a927e3c8d61d40139289d4797cd2a0c1e00175a]

3/1 2026/05/16 01:05 action kernel-builder
25m Results:
map[KernelObj:/app/workdir/cache/build/da222d4f687955219f9a2c2258486456ed016c3e]

4/1 2026/05/16 01:30 action codesearch-prepare
23m Results:
map[Index:codesearch-index]

5/1 2026/05/16 01:53 agent expert
3m Model:
gemini-3.1-pro-preview

Results:
map[DenialOfService:true Exploitable:false FilesystemTrigger:false NetworkTrigger:false PeripheralTrigger:false RemoteTrigger:false Unprivileged:false UserNamespace:false VMGuestTrigger:false VMHostTrigger:false]

Instruction:
You are an experienced Linux kernel security engineer. Your task is to analyze given kernel bug report
and determine its security impact based on the following dimensions.

Use the provided tools to examine the source code, check for capability checks (e.g., capable(), ns_capable()),
and understand the nature of the bug. Analyze the given kernel build and configuration.
You can check the kernel config by grepping ".config" file; you can check kernel cmdline by greeping
".config" file for "CONFIG_CMDLINE=". Assume sysctl parameters have default values.
But analyze for the corresponding production build w/o debugging tools enabled (like KASAN, KMSAN, UBSAN).

Don't make assumptions; verify them with source code access. Try different strategies when analyzing the bug:
 - think of ways in which the vulnerable code is unreachable
 - or the other way around: try to come up with different ideas of how an unprivileged user can reach the bug
If still unsure err on the side of the bug being non-exploitable/not-accessible.
In the final reply, provide a reasoning for your assessment.

Analysis dimensions:

* Exploitable:
Determine if the bug can result in memory corruption or elevated privileges.
Memory safety issues are almost always exploitable (KASAN or UBSAN reports for use-after-free, out-of-bounds;
refcounting issues, corrupted lists, etc). When kernel is crashing on a completly wild pointer access
(e.g. user-space address, or non-canonical address, but not on NULL or address corresponding to KASAN shadow
for NULL address), including both data accesses and control tranfers, that's also usually implies possibility
of exploitation. Such reports usually say "unable to handle kernel paging request".
Uses of uninitialized values detected by KMSAN may be exploitable b/c attacker frequently can affect uninit
values with spraying techniques. However, for these exploitabability depends on how exactly the uninit value
is used in the code, and what it affects.

Think of what happens after the bug is triggered. Some bugs cause kernel panic and halt execution,
they are harder to exploit. For example, BUG reports halts the kernel. However, WARNING reports don't halt
execution in production builds. Debug bug detection tools (like KASAN, KMSAN, KCSAN, UBSAN) are also not enabled
in production builds, so attacker can freely exploit these bugs w/o being detected by these tools.
If you see an integer overflow, think how the overflowed value used later (if it's used as allocation size,
or an array index). If you see an out-of-bounds read, think if it's followed by an out-of-bounds write as well.
Some KCSAN data-races may be exploitable by skilled attackers as well. Think what data structures got corrupted
as the result of data races and how. However, note that kernel has lots of "benign" data races that don't lead
to any runtime misbehavior at all.

* Denial Of Service:
Determine if the bug can result in denial-of-service. Most bugs can, since they cause system crash,
hangs, deadlocks, or resource leaks. This is mostly applicable to WARNING bugs that won't cause system crash
in production. For these think what will be consequences of the violation of the kernel assumptions flagged
by the WARNING. In some cases the unexpected condition is also properly handled by the normal control flow
(e.g. with "if (WARN_ON(...))"), these won't cause denial-of-service. If the condition is not handled,
then it may or may not cause denial-of-service.

* Accessible From Unprivileged Processes:
Determine if the bug can be reached from a typical (non-root) user process that does NOT have any special capabilities
(like CAP_SYS_ADMIN, CAP_NET_ADMIN, CAP_NET_RAW, CAP_PERFMON) or access to device nodes restricted to root.
Assume that unprivileged_bpf_disabled=1, that is eBPF loading is not accessible. However, cBPF (classical BPF)
is still accessible to non-root processes.
Assume that user namespaces are not accessible, that is, the process cannot get the mentioned capabilities even
within a new user namespace (checked by ns_capable() function in the kernel sources).

* Accessible From User Namespaces:
Determine if the bug can be reached within a user-namespace where the process has all capabilities
(including CAP_SYS_ADMIN, CAP_NET_ADMIN, CAP_NET_RAW, CAP_PERFMON). Such capabilities are checked with ns_capable()
function in the kernel sources.

* VM Guest Trigger:
Determine if the bug can be triggered from the context of a typical KVM guest (e.g., set up by a QEMU VMM).
Consider accesses to standard Linux host paravirtualized features (virtio-blk, virtio-net, etc.),
and handling of VM exits in the KVM code.

* VM Host Trigger in The Confidetial Computing Context:
Determine if the bug can be triggered in a confidential computing guest kernel from the context of a KVM host.
Consider access to standard Linux guest paravirtualized features (virtio-blk, virtio-net, etc.).

* Ethernet Network Trigger:
Determine if the bug can be triggered by processing ingress network Ethernet traffic, either directly (network stack)
or via drivers exposed to network data.

* Other Remote Trigger:
Determine if the bug can be triggered by processing remote traffic other than Ethernet (Wifi, Bluetooth, NFC, etc).

* Peripheral Trigger:
Determine if the bug can be triggered via an untrusted peripheral device that can be physically plugged
into a system, such as a USB device or a niche hardware driver handling external hardware inputs.
This is particularly important for mobile and desktop environments where users can plug in unknown devices.

* Malicious Filesystem Trigger:
Determine if the bug can be triggered by the kernel mounting and parsing a malicious filesystem image.
This is highly critical for Desktop and Mobile environments where external media or downloaded images
might be auto-mounted.

Prefer calling several tools at the same time to save round-trips.


Use set-results tool to provide results of the analysis.
It must be called exactly once before the final reply.
Ignore results of this tool.

Prompt:
The kernel bug report is:

=====================================================
WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected
syzkaller #0 Tainted: G             L     
-----------------------------------------------------
syz.8.6666/32332 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire:
ffffffff8fa16298 (disc_data_lock){.+.+}-{3:3}, at: sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138

and this task is already holding:
ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_port_ref_lock drivers/tty/serial/serial_core.c:83 [inline]
ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_carrier_raised+0xfa/0x7c0 drivers/tty/serial/serial_core.c:1876
which would create a new lock dependency:
 (&port_lock_key){-.-.}-{3:3} -> (disc_data_lock){.+.+}-{3:3}

but this new dependency connects a HARDIRQ-irq-safe lock:
 (&port_lock_key){-.-.}-{3:3}

... which became HARDIRQ-irq-safe at:
  lock_acquire kernel/locking/lockdep.c:5868 [inline]
  lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
  __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
  _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
  uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
  class_uart_port_lock_irqsave_constructor include/linux/serial_core.h:797 [inline]
  serial8250_handle_irq.part.0+0x28/0x550 drivers/tty/serial/8250/8250_port.c:1840
  serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1837 [inline]
  serial8250_default_handle_irq+0xc2/0x2a0 drivers/tty/serial/8250/8250_port.c:1855
  serial8250_interrupt+0xf8/0x1d0 drivers/tty/serial/8250/8250_core.c:86
  __handle_irq_event_percpu+0x232/0x8e0 kernel/irq/handle.c:209
  handle_irq_event_percpu kernel/irq/handle.c:246 [inline]
  handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:263
  handle_edge_irq+0x375/0x970 kernel/irq/chip.c:855
  generic_handle_irq_desc include/linux/irqdesc.h:186 [inline]
  handle_irq arch/x86/kernel/irq.c:262 [inline]
  call_irq_handler arch/x86/kernel/irq.c:318 [inline]
  __common_interrupt+0xd8/0x2f0 arch/x86/kernel/irq.c:333
  common_interrupt+0xb9/0xe0 arch/x86/kernel/irq.c:326
  asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688
  native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
  pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:62
  arch_safe_halt arch/x86/include/asm/paravirt.h:73 [inline]
  default_idle+0x9/0x10 arch/x86/kernel/process.c:767
  default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
  cpuidle_idle_call kernel/sched/idle.c:199 [inline]
  do_idle+0x464/0x590 kernel/sched/idle.c:352
  cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:451
  start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
  common_startup_64+0x13e/0x148

to a HARDIRQ-irq-unsafe lock:
 (disc_data_lock){.+.+}-{3:3}

... which became HARDIRQ-irq-unsafe at:
...
  lock_acquire kernel/locking/lockdep.c:5868 [inline]
  lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
  __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
  _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
  sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
  ppp_synctty_ioctl+0x23/0x250 drivers/net/ppp/ppp_synctty.c:278
  tty_ioctl+0x1204/0x1690 drivers/tty/tty_io.c:2801
  vfs_ioctl fs/ioctl.c:51 [inline]
  __do_sys_ioctl fs/ioctl.c:597 [inline]
  __se_sys_ioctl fs/ioctl.c:583 [inline]
  __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
  do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
  do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
  entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

 Possible interrupt unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(disc_data_lock);
                               local_irq_disable();
                               lock(&port_lock_key);
                               lock(disc_data_lock);
  <Interrupt>
    lock(&port_lock_key);

 *** DEADLOCK ***

3 locks held by syz.8.6666/32332:
 #0: ffff8880592af1c0 (&tty->legacy_mutex){+.+.}-{4:4}, at: tty_lock_interruptible+0x75/0xe0 drivers/tty/tty_mutex.c:27
 #1: ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
 #1: ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_port_ref_lock drivers/tty/serial/serial_core.c:83 [inline]
 #1: ffffffff9b4a7658 (&port_lock_key){-.-.}-{3:3}, at: uart_carrier_raised+0xfa/0x7c0 drivers/tty/serial/serial_core.c:1876
 #2: ffff8880592af0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref+0x21/0x90 drivers/tty/tty_ldisc.c:263

the dependencies between HARDIRQ-irq-safe lock and the holding lock:
-> (&port_lock_key){-.-.}-{3:3} {
   IN-HARDIRQ-W at:
                    lock_acquire kernel/locking/lockdep.c:5868 [inline]
                    lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                    __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
                    _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
                    uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
                    class_uart_port_lock_irqsave_constructor include/linux/serial_core.h:797 [inline]
                    serial8250_handle_irq.part.0+0x28/0x550 drivers/tty/serial/8250/8250_port.c:1840
                    serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1837 [inline]
                    serial8250_default_handle_irq+0xc2/0x2a0 drivers/tty/serial/8250/8250_port.c:1855
                    serial8250_interrupt+0xf8/0x1d0 drivers/tty/serial/8250/8250_core.c:86
                    __handle_irq_event_percpu+0x232/0x8e0 kernel/irq/handle.c:209
                    handle_irq_event_percpu kernel/irq/handle.c:246 [inline]
                    handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:263
                    handle_edge_irq+0x375/0x970 kernel/irq/chip.c:855
                    generic_handle_irq_desc include/linux/irqdesc.h:186 [inline]
                    handle_irq arch/x86/kernel/irq.c:262 [inline]
                    call_irq_handler arch/x86/kernel/irq.c:318 [inline]
                    __common_interrupt+0xd8/0x2f0 arch/x86/kernel/irq.c:333
                    common_interrupt+0xb9/0xe0 arch/x86/kernel/irq.c:326
                    asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688
                    native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
                    pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:62
                    arch_safe_halt arch/x86/include/asm/paravirt.h:73 [inline]
                    default_idle+0x9/0x10 arch/x86/kernel/process.c:767
                    default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
                    cpuidle_idle_call kernel/sched/idle.c:199 [inline]
                    do_idle+0x464/0x590 kernel/sched/idle.c:352
                    cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:451
                    start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
                    common_startup_64+0x13e/0x148
   IN-SOFTIRQ-W at:
                    lock_acquire kernel/locking/lockdep.c:5868 [inline]
                    lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                    __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
                    _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
                    uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
                    class_uart_port_lock_irqsave_constructor include/linux/serial_core.h:797 [inline]
                    serial8250_handle_irq.part.0+0x28/0x550 drivers/tty/serial/8250/8250_port.c:1840
                    serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1837 [inline]
                    serial8250_default_handle_irq+0xc2/0x2a0 drivers/tty/serial/8250/8250_port.c:1855
                    serial8250_interrupt+0xf8/0x1d0 drivers/tty/serial/8250/8250_core.c:86
                    __handle_irq_event_percpu+0x232/0x8e0 kernel/irq/handle.c:209
                    handle_irq_event_percpu kernel/irq/handle.c:246 [inline]
                    handle_irq_event+0xab/0x1e0 kernel/irq/handle.c:263
                    handle_edge_irq+0x375/0x970 kernel/irq/chip.c:855
                    generic_handle_irq_desc include/linux/irqdesc.h:186 [inline]
                    handle_irq arch/x86/kernel/irq.c:262 [inline]
                    call_irq_handler arch/x86/kernel/irq.c:318 [inline]
                    __common_interrupt+0xd8/0x2f0 arch/x86/kernel/irq.c:333
                    common_interrupt+0x60/0xe0 arch/x86/kernel/irq.c:326
                    asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:688
                    variable_ffs arch/x86/include/asm/bitops.h:312 [inline]
                    handle_softirqs+0x1af/0x9e0 kernel/softirq.c:610
                    __do_softirq kernel/softirq.c:656 [inline]
                    invoke_softirq kernel/softirq.c:496 [inline]
                    __irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
                    irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
                    instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
                    sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056
                    asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
                    console_flush_one_record+0xac3/0xe50 kernel/printk/printk.c:3270
                    console_flush_all kernel/printk/printk.c:3343 [inline]
                    __console_flush_and_unlock kernel/printk/printk.c:3373 [inline]
                    console_unlock+0x103/0x260 kernel/printk/printk.c:3413
                    vprintk_emit+0x407/0x6b0 kernel/printk/printk.c:2479
                    _printk+0xcf/0x110 kernel/printk/printk.c:2504
                    kauditd_printk_skb kernel/audit.c:587 [inline]
                    kauditd_hold_skb.cold+0x3f/0x4e kernel/audit.c:622
                    kauditd_send_queue+0x232/0x2e0 kernel/audit.c:807
                    kauditd_thread+0x645/0xb30 kernel/audit.c:931
                    kthread+0x370/0x450 kernel/kthread.c:436
                    ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
                    ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
   INITIAL USE at:
                   lock_acquire kernel/locking/lockdep.c:5868 [inline]
                   lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                   __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:132 [inline]
                   _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
                   uart_port_lock_irqsave include/linux/serial_core.h:717 [inline]
                   class_uart_port_lock_irqsave_constructor include/linux/serial_core.h:797 [inline]
                   serial8250_do_set_termios+0x330/0x1730 drivers/tty/serial/8250/8250_port.c:2774
                   serial8250_set_termios+0x73/0x90 drivers/tty/serial/8250/8250_port.c:2801
                   uart_set_options+0x316/0x5e0 drivers/tty/serial/serial_core.c:2237
                   serial8250_console_setup+0x189/0x450 drivers/tty/serial/8250/8250_port.c:3420
                   univ8250_console_setup+0x1eb/0x2e0 drivers/tty/serial/8250/8250_core.c:430
                   console_call_setup kernel/printk/printk.c:3882 [inline]
                   console_call_setup kernel/printk/printk.c:3873 [inline]
                   try_enable_preferred_console+0x2fd/0x530 kernel/printk/printk.c:3926
                   register_console+0x350/0xf50 kernel/printk/printk.c:4120
                   univ8250_console_init+0x6f/0x80 drivers/tty/serial/8250/8250_core.c:515
                   console_init+0x423/0x620 kernel/printk/printk.c:4407
                   start_kernel+0x305/0x480 init/main.c:1147
                   x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
                   x86_64_start_kernel+0x12b/0x130 arch/x86/kernel/head64.c:291
                   common_startup_64+0x13e/0x148
 }
 ... key      at: [<ffffffff9b4a68c0>] port_lock_key+0x0/0x40

the dependencies between the lock to be acquired
 and HARDIRQ-irq-unsafe lock:
-> (disc_data_lock){.+.+}-{3:3} {
   HARDIRQ-ON-R at:
                    lock_acquire kernel/locking/lockdep.c:5868 [inline]
                    lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                    __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
                    _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
                    sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
                    ppp_synctty_ioctl+0x23/0x250 drivers/net/ppp/ppp_synctty.c:278
                    tty_ioctl+0x1204/0x1690 drivers/tty/tty_io.c:2801
                    vfs_ioctl fs/ioctl.c:51 [inline]
                    __do_sys_ioctl fs/ioctl.c:597 [inline]
                    __se_sys_ioctl fs/ioctl.c:583 [inline]
                    __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
                    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
                    do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
                    entry_SYSCALL_64_after_hwframe+0x77/0x7f
   SOFTIRQ-ON-R at:
                    lock_acquire kernel/locking/lockdep.c:5868 [inline]
                    lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                    __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
                    _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
                    sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
                    ppp_synctty_ioctl+0x23/0x250 drivers/net/ppp/ppp_synctty.c:278
                    tty_ioctl+0x1204/0x1690 drivers/tty/tty_io.c:2801
                    vfs_ioctl fs/ioctl.c:51 [inline]
                    __do_sys_ioctl fs/ioctl.c:597 [inline]
                    __se_sys_ioctl fs/ioctl.c:583 [inline]
                    __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
                    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
                    do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
                    entry_SYSCALL_64_after_hwframe+0x77/0x7f
   INITIAL USE at:
                   lock_acquire kernel/locking/lockdep.c:5868 [inline]
                   lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                   __raw_write_lock_irq include/linux/rwlock_api_smp.h:211 [inline]
                   _raw_write_lock_irq+0x36/0x50 kernel/locking/spinlock.c:326
                   ppp_sync_close+0x1c/0x170 drivers/net/ppp/ppp_synctty.c:218
                   tty_ldisc_close+0x114/0x1a0 drivers/tty/tty_ldisc.c:455
                   tty_ldisc_kill+0x8e/0x150 drivers/tty/tty_ldisc.c:613
                   tty_ldisc_release+0x107/0x2f0 drivers/tty/tty_ldisc.c:781
                   tty_release_struct+0x23/0xe0 drivers/tty/tty_io.c:1681
                   tty_release+0xd7a/0x1300 drivers/tty/tty_io.c:1852
                   __fput+0x3ff/0xb40 fs/file_table.c:469
                   task_work_run+0x150/0x240 kernel/task_work.c:233
                   resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
                   __exit_to_user_mode_loop kernel/entry/common.c:67 [inline]
                   exit_to_user_mode_loop+0x100/0x4a0 kernel/entry/common.c:98
                   __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
                   syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline]
                   syscall_exit_to_user_mode include/linux/entry-common.h:325 [inline]
                   do_syscall_64+0x67c/0xf80 arch/x86/entry/syscall_64.c:100
                   entry_SYSCALL_64_after_hwframe+0x77/0x7f
   INITIAL READ USE at:
                        lock_acquire kernel/locking/lockdep.c:5868 [inline]
                        lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
                        __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
                        _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
                        sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
                        ppp_synctty_ioctl+0x23/0x250 drivers/net/ppp/ppp_synctty.c:278
                        tty_ioctl+0x1204/0x1690 drivers/tty/tty_io.c:2801
                        vfs_ioctl fs/ioctl.c:51 [inline]
                        __do_sys_ioctl fs/ioctl.c:597 [inline]
                        __se_sys_ioctl fs/ioctl.c:583 [inline]
                        __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
                        do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
                        do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
                        entry_SYSCALL_64_after_hwframe+0x77/0x7f
 }
 ... key      at: [<ffffffff8fa16298>] disc_data_lock+0x18/0x1120 mkiss.c:-1
 ... acquired at:
   lock_acquire kernel/locking/lockdep.c:5868 [inline]
   lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
   __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
   _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
   sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
   ppp_sync_wakeup+0x18/0xc0 drivers/net/ppp/ppp_synctty.c:345
   tty_wakeup+0xe8/0x120 drivers/tty/tty_io.c:515
   tty_port_default_wakeup+0x47/0x60 drivers/tty/tty_port.c:67
   uart_write_wakeup drivers/tty/serial/serial_core.c:121 [inline]
   uart_handle_cts_change+0x1ea/0x300 drivers/tty/serial/serial_core.c:3400
   serial8250_modem_status+0x281/0x2f0 drivers/tty/serial/8250/8250_port.c:1751
   serial8250_do_get_mctrl+0xbb/0x390 drivers/tty/serial/8250/8250_port.c:1900
   serial8250_get_mctrl+0x5c/0x80 drivers/tty/serial/8250/8250_port.c:1914
   uart_carrier_raised+0x22c/0x7c0 drivers/tty/serial/serial_core.c:1886
   tty_port_carrier_raised drivers/tty/tty_port.c:420 [inline]
   tty_port_block_til_ready+0x470/0x8c0 drivers/tty/tty_port.c:538
   tty_port_open+0x13e/0x270 drivers/tty/tty_port.c:753
   uart_open+0x41/0x60 drivers/tty/serial/serial_core.c:1929
   tty_open+0x3dd/0xfa0 drivers/tty/tty_io.c:2137
   chrdev_open+0x234/0x6a0 fs/char_dev.c:411
   do_dentry_open+0x6d8/0x1660 fs/open.c:949
   vfs_open+0x82/0x3f0 fs/open.c:1081
   do_open fs/namei.c:4671 [inline]
   path_openat+0x208c/0x31a0 fs/namei.c:4830
   do_file_open+0x20e/0x430 fs/namei.c:4859
   do_sys_openat2+0x10d/0x1e0 fs/open.c:1366
   do_sys_open fs/open.c:1372 [inline]
   __do_sys_openat fs/open.c:1388 [inline]
   __se_sys_openat fs/open.c:1383 [inline]
   __x64_sys_openat+0x12d/0x210 fs/open.c:1383
   do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
   do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
   entry_SYSCALL_64_after_hwframe+0x77/0x7f


stack backtrace:
CPU: 0 UID: 0 PID: 32332 Comm: syz.8.6666 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_bad_irq_dependency kernel/locking/lockdep.c:2616 [inline]
 check_irq_usage+0x7aa/0x810 kernel/locking/lockdep.c:2857
 check_prev_add kernel/locking/lockdep.c:3169 [inline]
 check_prevs_add kernel/locking/lockdep.c:3284 [inline]
 validate_chain kernel/locking/lockdep.c:3908 [inline]
 __lock_acquire+0x14cf/0x2630 kernel/locking/lockdep.c:5237
 lock_acquire kernel/locking/lockdep.c:5868 [inline]
 lock_acquire+0x1cf/0x380 kernel/locking/lockdep.c:5825
 __raw_read_lock include/linux/rwlock_api_smp.h:161 [inline]
 _raw_read_lock+0x5f/0x70 kernel/locking/spinlock.c:228
 sp_get+0x18/0xf0 drivers/net/ppp/ppp_synctty.c:138
 ppp_sync_wakeup+0x18/0xc0 drivers/net/ppp/ppp_synctty.c:345
 tty_wakeup+0xe8/0x120 drivers/tty/tty_io.c:515
 tty_port_default_wakeup+0x47/0x60 drivers/tty/tty_port.c:67
 uart_write_wakeup drivers/tty/serial/serial_core.c:121 [inline]
 uart_handle_cts_change+0x1ea/0x300 drivers/tty/serial/serial_core.c:3400
 serial8250_modem_status+0x281/0x2f0 drivers/tty/serial/8250/8250_port.c:1751
 serial8250_do_get_mctrl+0xbb/0x390 drivers/tty/serial/8250/8250_port.c:1900
 serial8250_get_mctrl+0x5c/0x80 drivers/tty/serial/8250/8250_port.c:1914
 uart_carrier_raised+0x22c/0x7c0 drivers/tty/serial/serial_core.c:1886
 tty_port_carrier_raised drivers/tty/tty_port.c:420 [inline]
 tty_port_block_til_ready+0x470/0x8c0 drivers/tty/tty_port.c:538
 tty_port_open+0x13e/0x270 drivers/tty/tty_port.c:753
 uart_open+0x41/0x60 drivers/tty/serial/serial_core.c:1929
 tty_open+0x3dd/0xfa0 drivers/tty/tty_io.c:2137
 chrdev_open+0x234/0x6a0 fs/char_dev.c:411
 do_dentry_open+0x6d8/0x1660 fs/open.c:949
 vfs_open+0x82/0x3f0 fs/open.c:1081
 do_open fs/namei.c:4671 [inline]
 path_openat+0x208c/0x31a0 fs/namei.c:4830
 do_file_open+0x20e/0x430 fs/namei.c:4859
 do_sys_openat2+0x10d/0x1e0 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb553d9c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb554ce0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb554015fa0 RCX: 00007fb553d9c799
RDX: 0000000000020040 RSI: 0000200000000140 RDI: 00000000ffffff9c
RBP: 00007fb553e32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb554016038 R14: 00007fb554015fa0 R15: 00007ffd304583e8
 </TASK>




Reply:
**Analysis of the Bug Report**

The bug report describes a lockdep warning: `HARDIRQ-safe -> HARDIRQ-unsafe lock order detected`.
This indicates a potential AB-BA deadlock involving an interrupt context.

The locks involved are:
1. `&port_lock_key` (HARDIRQ-safe): This is a per-port spinlock used by the `serial_core` subsystem to protect serial port state (e.g., 8250 UART). It is acquired with interrupts disabled (e.g., `uart_port_lock_irqsave`) and is also acquired in the hardirq context by the serial interrupt handler.
2. `disc_data_lock` (HARDIRQ-unsafe): This is a global read-write lock (`DEFINE_RWLOCK(disc_data_lock)`) defined in `drivers/net/ppp/ppp_synctty.c`. It is acquired with `read_lock()` (which does not disable interrupts) in `sp_get()`, and with `write_lock_irq()` in `ppp_sync_close()`.

**Deadlock Scenario:**
The lockdep warning highlights the following potential deadlock:
- **CPU0** acquires `disc_data_lock` (read lock) with interrupts enabled (e.g., via a `TIOCSETD` or `PPPIOCGCHAN` ioctl on a TTY using the `N_SYNC_PPP` line discipline).
- **CPU2** attempts to acquire `disc_data_lock` (write lock) via `ppp_sync_close()` and blocks because CPU0 holds the read lock.
- **CPU1** opens a serial port that is already configured with the `N_SYNC_PPP` line discipline. During the open, `tty_port_block_til_ready()` calls `uart_carrier_raised()`, which acquires `&port_lock_key` (disabling interrupts). It then calls `sp_get()` (via `uart_write_wakeup` -> `tty_wakeup` -> `ppp_sync_wakeup`), which attempts to acquire `disc_data_lock` (read lock). Because CPU2 is waiting for a write lock, CPU1's read lock request blocks (writer priority), causing CPU1 to spin with interrupts disabled while holding `&port_lock_key`.
- **CPU0** receives a serial hardware interrupt. The interrupt handler (`serial8250_interrupt`) attempts to acquire `&port_lock_key` and blocks because CPU1 holds it.
- **Result:** Deadlock! CPU0 is waiting for CPU1, CPU1 is waiting for CPU2, and CPU2 is waiting for CPU0.

**Security Impact Assessment:**

* **Exploitable:** No. This is a classic lock inversion bug leading to a deadlock. It does not cause memory corruption, out-of-bounds access, or use-after-free, so it cannot be exploited for privilege escalation or arbitrary code execution.
* **Denial Of Service:** Yes. If the race condition is hit, the involved CPUs will deadlock, leading to a system hang or panic (if lockup detectors are enabled), which constitutes a Denial of Service.
* **Accessible From Unprivileged Processes:** No. While an unprivileged user can open a pseudo-terminal (PTY) and set its line discipline to `N_SYNC_PPP` (via `TIOCSETD`), PTYs do not use `serial_core` and therefore do not use `&port_lock_key`. To create the lock dependency and trigger the deadlock, the `N_SYNC_PPP` line discipline must be attached to a physical serial port (e.g., `/dev/ttyS0`). By default, serial device nodes are owned by `root:dialout` with `0660` permissions, meaning unprivileged users cannot open them.
* **Accessible From User Namespaces:** No. User namespaces do not grant access to physical device nodes like serial ports.
* **VM Guest / Host Trigger:** No. The bug is in the host's serial and PPP subsystems and cannot be triggered by a guest, nor can a host trigger it in a confidential computing guest.
* **Network / Remote / Peripheral / Filesystem Trigger:** No. This bug requires local access to open and configure a serial port with a specific line discipline. Plugging in a USB serial device creates a port but does not automatically configure it with `N_SYNC_PPP`.

6/2 2026/05/16 01:53 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 14258
							output: 28
							thoughts: 734
						

Thoughts:
**Analyzing a Lockdep Warning**

Okay, so I've got a lockdep warning, specifically a "HARDIRQ-safe -> HARDIRQ-unsafe lock order detected" issue. This is concerning, as it suggests a potential deadlock scenario. The lock order in question is `&port_lock_key` (which is HARDIRQ-safe) followed by `disc_data_lock` (which is HARDIRQ-unsafe). That's the core of the problem.

My task is currently holding `&port_lock_key` and is trying to acquire `disc_data_lock`. Let's trace how these locks are acquired. I see that `&port_lock_key` is acquired through the call chain: `uart_carrier_raised` -> `uart_port_ref_lock` -> `uart_port_lock_irqsave`. Meanwhile, `disc_data_lock` comes into play within `sp_get`, which, in turn, is called from `ppp_sync_wakeup`.

Now, let's dive into the stack trace to understand the context a bit better. The trace gives me a specific path: `sp_get`, `ppp_sync_wakeup`, `tty_wakeup`, `tty_port_default_wakeup`, `uart_write_wakeup` (which is inlined), `uart_handle_cts_change`, then into the 8250 serial driver. It seems to originate with a modem status change and carrier detection within `uart_carrier_raised`, moving through the tty and ppp layers. This goes through `tty_port_block_til_ready`, which suggests some blocking operation happening related to the serial port.

Given the stack trace and the lock order violation, I need to focus my investigation on `drivers/net/ppp/ppp_synctty.c` and `drivers/tty/serial/serial_core.c`. This is where the problematic interactions seem to be. I'll need to carefully review the code in these files, specifically the locking patterns within `sp_get`, `ppp_sync_wakeup`, and the functions associated with `uart_carrier_raised` and carrier detection logic in general. My focus will be on identifying where the HARDIRQ-unsafe lock is being acquired *after* the HARDIRQ-safe lock and figure out the cause. I'll have to see if there's a way to reverse the order, or avoid this lock nesting altogether to prevent the deadlock.



7/2 2026/05/16 01:54 tool read-file
0m Args:
map[File:drivers/net/ppp/ppp_synctty.c]

Results:
map[Contents:// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * PPP synchronous tty channel driver for Linux.
 *
 * This is a ppp channel driver that can be used with tty device drivers
 * that are frame oriented, such as synchronous HDLC devices.
 *
 * Complete PPP frames without encoding/decoding are exchanged between
 * the channel driver and the device driver.
 *
 * The async map IOCTL codes are implemented to keep the user mode
 * applications happy if they call them. Synchronous PPP does not use
 * the async maps.
 *
 * Copyright 1999 Paul Mackerras.
 *
 * Also touched by the grubby hands of Paul Fulghum paulkf@microgate.com
 *
 * This driver provides the encapsulation and framing for sending
 * and receiving PPP frames over sync serial lines.  It relies on
 * the generic PPP layer to give it frames to send and to process
 * received frames.  It implements the PPP line discipline.
 *
 * Part of the code in this driver was inspired by the old async-only
 * PPP driver, written by Michael Callahan and Al Longyear, and
 * subsequently hacked by Paul Mackerras.
 *
 * ==FILEVERSION 20040616==
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/tty.h>
#include <linux/netdevice.h>
#include <linux/poll.h>
#include <linux/ppp_defs.h>
#include <linux/ppp-ioctl.h>
#include <linux/ppp_channel.h>
#include <linux/spinlock.h>
#include <linux/completion.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/refcount.h>
#include <linux/unaligned.h>
#include <linux/uaccess.h>

#define PPP_VERSION	"2.4.2"

/* Structure for storing local state. */
struct syncppp {
	struct tty_struct *tty;
	unsigned int	flags;
	unsigned int	rbits;
	int		mru;
	spinlock_t	xmit_lock;
	spinlock_t	recv_lock;
	unsigned long	xmit_flags;
	u32		xaccm[8];
	u32		raccm;
	unsigned int	bytes_sent;
	unsigned int	bytes_rcvd;

	struct sk_buff	*tpkt;
	unsigned long	last_xmit;

	struct sk_buff_head rqueue;

	struct tasklet_struct tsk;

	refcount_t	refcnt;
	struct completion dead_cmp;
	struct ppp_channel chan;	/* interface to generic ppp layer */
};

/* Bit numbers in xmit_flags */
#define XMIT_WAKEUP	0
#define XMIT_FULL	1

/* Bits in rbits */
#define SC_RCV_BITS	(SC_RCV_B7_1|SC_RCV_B7_0|SC_RCV_ODDP|SC_RCV_EVNP)

#define PPPSYNC_MAX_RQLEN	32	/* arbitrary */

/*
 * Prototypes.
 */
static struct sk_buff* ppp_sync_txmunge(struct syncppp *ap, struct sk_buff *);
static int ppp_sync_send(struct ppp_channel *chan, struct sk_buff *skb);
static int ppp_sync_ioctl(struct ppp_channel *chan, unsigned int cmd,
			  unsigned long arg);
static void ppp_sync_process(struct tasklet_struct *t);
static int ppp_sync_push(struct syncppp *ap);
static void ppp_sync_flush_output(struct syncppp *ap);
static void ppp_sync_input(struct syncppp *ap, const u8 *buf, const u8 *flags,
			   int count);

static const struct ppp_channel_ops sync_ops = {
	.start_xmit = ppp_sync_send,
	.ioctl      = ppp_sync_ioctl,
};

/*
 * Utility procedure to print a buffer in hex/ascii
 */
static void
ppp_print_buffer (const char *name, const __u8 *buf, int count)
{
	if (name != NULL)
		printk(KERN_DEBUG "ppp_synctty: %s, count = %d\n", name, count);

	print_hex_dump_bytes("", DUMP_PREFIX_NONE, buf, count);
}


/*
 * Routines implementing the synchronous PPP line discipline.
 */

/*
 * We have a potential race on dereferencing tty->disc_data,
 * because the tty layer provides no locking at all - thus one
 * cpu could be running ppp_synctty_receive while another
 * calls ppp_synctty_close, which zeroes tty->disc_data and
 * frees the memory that ppp_synctty_receive is using.  The best
 * way to fix this is to use a rwlock in the tty struct, but for now
 * we use a single global rwlock for all ttys in ppp line discipline.
 *
 * FIXME: Fixed in tty_io nowadays.
 */
static DEFINE_RWLOCK(disc_data_lock);

static struct syncppp *sp_get(struct tty_struct *tty)
{
	struct syncppp *ap;

	read_lock(&disc_data_lock);
	ap = tty->disc_data;
	if (ap != NULL)
		refcount_inc(&ap->refcnt);
	read_unlock(&disc_data_lock);
	return ap;
}

static void sp_put(struct syncppp *ap)
{
	if (refcount_dec_and_test(&ap->refcnt))
		complete(&ap->dead_cmp);
}

/*
 * Called when a tty is put into sync-PPP line discipline.
 */
static int
ppp_sync_open(struct tty_struct *tty)
{
	struct syncppp *ap;
	int err;
	int speed;

	if (tty->ops->write == NULL)
		return -EOPNOTSUPP;

	ap = kzalloc_obj(*ap);
	err = -ENOMEM;
	if (!ap)
		goto out;

	/* initialize the syncppp structure */
	ap->tty = tty;
	ap->mru = PPP_MRU;
	spin_lock_init(&ap->xmit_lock);
	spin_lock_init(&ap->recv_lock);
	ap->xaccm[0] = ~0U;
	ap->xaccm[3] = 0x60000000U;
	ap->raccm = ~0U;

	skb_queue_head_init(&ap->rqueue);
	tasklet_setup(&ap->tsk, ppp_sync_process);

	refcount_set(&ap->refcnt, 1);
	init_completion(&ap->dead_cmp);

	ap->chan.private = ap;
	ap->chan.ops = &sync_ops;
	ap->chan.mtu = PPP_MRU;
	ap->chan.hdrlen = 2;	/* for A/C bytes */
	speed = tty_get_baud_rate(tty);
	ap->chan.speed = speed;
	err = ppp_register_channel(&ap->chan);
	if (err)
		goto out_free;

	tty->disc_data = ap;
	tty->receive_room = 65536;
	return 0;

 out_free:
	kfree(ap);
 out:
	return err;
}

/*
 * Called when the tty is put into another line discipline
 * or it hangs up.  We have to wait for any cpu currently
 * executing in any of the other ppp_synctty_* routines to
 * finish before we can call ppp_unregister_channel and free
 * the syncppp struct.  This routine must be called from
 * process context, not interrupt or softirq context.
 */
static void
ppp_sync_close(struct tty_struct *tty)
{
	struct syncppp *ap;

	write_lock_irq(&disc_data_lock);
	ap = tty->disc_data;
	tty->disc_data = NULL;
	write_unlock_irq(&disc_data_lock);
	if (!ap)
		return;

	/*
	 * We have now ensured that nobody can start using ap from now
	 * on, but we have to wait for all existing users to finish.
	 * Note that ppp_unregister_channel ensures that no calls to
	 * our channel ops (i.e. ppp_sync_send/ioctl) are in progress
	 * by the time it returns.
	 */
	if (!refcount_dec_and_test(&ap->refcnt))
		wait_for_completion(&ap->dead_cmp);
	tasklet_kill(&ap->tsk);

	ppp_unregister_channel(&ap->chan);
	skb_queue_purge(&ap->rqueue);
	kfree_skb(ap->tpkt);
	kfree(ap);
}

/*
 * Called on tty hangup in process context.
 *
 * Wait for I/O to driver to complete and unregister PPP channel.
 * This is already done by the close routine, so just call that.
 */
static void ppp_sync_hangup(struct tty_struct *tty)
{
	ppp_sync_close(tty);
}

/*
 * Read does nothing - no data is ever available this way.
 * Pppd reads and writes packets via /dev/ppp instead.
 */
static ssize_t
ppp_sync_read(struct tty_struct *tty, struct file *file, u8 *buf, size_t count,
	      void **cookie, unsigned long offset)
{
	return -EAGAIN;
}

/*
 * Write on the tty does nothing, the packets all come in
 * from the ppp generic stuff.
 */
static ssize_t
ppp_sync_write(struct tty_struct *tty, struct file *file, const u8 *buf,
	       size_t count)
{
	return -EAGAIN;
}

static int
ppp_synctty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
{
	struct syncppp *ap = sp_get(tty);
	int __user *p = (int __user *)arg;
	int err, val;

	if (!ap)
		return -ENXIO;
	err = -EFAULT;
	switch (cmd) {
	case PPPIOCGCHAN:
		err = -EFAULT;
		if (put_user(ppp_channel_index(&ap->chan), p))
			break;
		err = 0;
		break;

	case PPPIOCGUNIT:
		err = -EFAULT;
		if (put_user(ppp_unit_number(&ap->chan), p))
			break;
		err = 0;
		break;

	case TCFLSH:
		/* flush our buffers and the serial port's buffer */
		if (arg == TCIOFLUSH || arg == TCOFLUSH)
			ppp_sync_flush_output(ap);
		err = n_tty_ioctl_helper(tty, cmd, arg);
		break;

	case FIONREAD:
		val = 0;
		if (put_user(val, p))
			break;
		err = 0;
		break;

	default:
		err = tty_mode_ioctl(tty, cmd, arg);
		break;
	}

	sp_put(ap);
	return err;
}

/* May sleep, don't call from interrupt level or with interrupts disabled */
static void
ppp_sync_receive(struct tty_struct *tty, const u8 *buf, const u8 *cflags,
		 size_t count)
{
	struct syncppp *ap = sp_get(tty);
	unsigned long flags;

	if (!ap)
		return;
	spin_lock_irqsave(&ap->recv_lock, flags);
	ppp_sync_input(ap, buf, cflags, count);
	spin_unlock_irqrestore(&ap->recv_lock, flags);
	if (!skb_queue_empty(&ap->rqueue))
		tasklet_schedule(&ap->tsk);
	sp_put(ap);
	tty_unthrottle(tty);
}

static void
ppp_sync_wakeup(struct tty_struct *tty)
{
	struct syncppp *ap = sp_get(tty);

	clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
	if (!ap)
		return;
	set_bit(XMIT_WAKEUP, &ap->xmit_flags);
	tasklet_schedule(&ap->tsk);
	sp_put(ap);
}


static struct tty_ldisc_ops ppp_sync_ldisc = {
	.owner	= THIS_MODULE,
	.num	= N_SYNC_PPP,
	.name	= "pppsync",
	.open	= ppp_sync_open,
	.close	= ppp_sync_close,
	.hangup	= ppp_sync_hangup,
	.read	= ppp_sync_read,
	.write	= ppp_sync_write,
	.ioctl	= ppp_synctty_ioctl,
	.receive_buf = ppp_sync_receive,
	.write_wakeup = ppp_sync_wakeup,
};

static int __init
ppp_sync_init(void)
{
	int err;

	err = tty_register_ldisc(&ppp_sync_ldisc);
	if (err != 0)
		printk(KERN_ERR "PPP_sync: error %d registering line disc.\n",
		       err);
	return err;
}

/*
 * The following routines provide the PPP channel interface.
 */
static int
ppp_sync_ioctl(struct ppp_channel *chan, unsigned int cmd, unsigned long arg)
{
	struct syncppp *ap = chan->private;
	int err, val;
	u32 accm[8];
	void __user *argp = (void __user *)arg;
	u32 __user *p = argp;

	err = -EFAULT;
	switch (cmd) {
	case PPPIOCGFLAGS:
		val = ap->flags | ap->rbits;
		if (put_user(val, (int __user *) argp))
			break;
		err = 0;
		break;
	case PPPIOCSFLAGS:
		if (get_user(val, (int __user *) argp))
			break;
		ap->flags = val & ~SC_RCV_BITS;
		spin_lock_irq(&ap->recv_lock);
		ap->rbits = val & SC_RCV_BITS;
		spin_unlock_irq(&ap->recv_lock);
		err = 0;
		break;

	case PPPIOCGASYNCMAP:
		if (put_user(ap->xaccm[0], p))
			break;
		err = 0;
		break;
	case PPPIOCSASYNCMAP:
		if (get_user(ap->xaccm[0], p))
			break;
		err = 0;
		break;

	case PPPIOCGRASYNCMAP:
		if (put_user(ap->raccm, p))
			break;
		err = 0;
		break;
	case PPPIOCSRASYNCMAP:
		if (get_user(ap->raccm, p))
			break;
		err = 0;
		break;

	case PPPIOCGXASYNCMAP:
		if (copy_to_user(argp, ap->xaccm, sizeof(ap->xaccm)))
			break;
		err = 0;
		break;
	case PPPIOCSXASYNCMAP:
		if (copy_from_user(accm, argp, sizeof(accm)))
			break;
		accm[2] &= ~0x40000000U;	/* can't escape 0x5e */
		accm[3] |= 0x60000000U;		/* must escape 0x7d, 0x7e */
		memcpy(ap->xaccm, accm, sizeof(ap->xaccm));
		err = 0;
		break;

	case PPPIOCGMRU:
		if (put_user(ap->mru, (int __user *) argp))
			break;
		err = 0;
		break;
	case PPPIOCSMRU:
		if (get_user(val, (int __user *) argp))
			break;
		if (val > U16_MAX) {
			err = -EINVAL;
			break;
		}
		if (val < PPP_MRU)
			val = PPP_MRU;
		ap->mru = val;
		err = 0;
		break;

	default:
		err = -ENOTTY;
	}
	return err;
}

/*
 * This is called at softirq level to deliver received packets
 * to the ppp_generic code, and to tell the ppp_generic code
 * if we can accept more output now.
 */
static void ppp_sync_process(struct tasklet_struct *t)
{
	struct syncppp *ap = from_tasklet(ap, t, tsk);
	struct sk_buff *skb;

	/* process received packets */
	while ((skb = skb_dequeue(&ap->rqueue)) != NULL) {
		if (skb->len == 0) {
			/* zero length buffers indicate error */
			ppp_input_error(&ap->chan, 0);
			kfree_skb(skb);
		}
		else
			ppp_input(&ap->chan, skb);
	}

	/* try to push more stuff out */
	if (test_bit(XMIT_WAKEUP, &ap->xmit_flags) && ppp_sync_push(ap))
		ppp_output_wakeup(&ap->chan);
}

/*
 * Procedures for encapsulation and framing.
 */

static struct sk_buff*
ppp_sync_txmunge(struct syncppp *ap, struct sk_buff *skb)
{
	int proto;
	unsigned char *data;
	int islcp;

	/* Ensure we can safely access protocol field and LCP code */
	if (!pskb_may_pull(skb, 3)) {
		kfree_skb(skb);
		return NULL;
	}
	data  = skb->data;
	proto = get_unaligned_be16(data);

	/* LCP packets with codes between 1 (configure-request)
	 * and 7 (code-reject) must be sent as though no options
	 * have been negotiated.
	 */
	islcp = proto == PPP_LCP && 1 <= data[2] && data[2] <= 7;

	/* compress protocol field if option enabled */
	if (data[0] == 0 && (ap->flags & SC_COMP_PROT) && !islcp)
		skb_pull(skb,1);

	/* prepend address/control fields if necessary */
	if ((ap->flags & SC_COMP_AC) == 0 || islcp) {
		if (skb_headroom(skb) < 2) {
			struct sk_buff *npkt = dev_alloc_skb(skb->len + 2);
			if (npkt == NULL) {
				kfree_skb(skb);
				return NULL;
			}
			skb_reserve(npkt,2);
			skb_copy_from_linear_data(skb,
				      skb_put(npkt, skb->len), skb->len);
			consume_skb(skb);
			skb = npkt;
		}
		skb_push(skb,2);
		skb->data[0] = PPP_ALLSTATIONS;
		skb->data[1] = PPP_UI;
	}

	ap->last_xmit = jiffies;

	if (skb && ap->flags & SC_LOG_OUTPKT)
		ppp_print_buffer ("send buffer", skb->data, skb->len);

	return skb;
}

/*
 * Transmit-side routines.
 */

/*
 * Send a packet to the peer over an sync tty line.
 * Returns 1 iff the packet was accepted.
 * If the packet was not accepted, we will call ppp_output_wakeup
 * at some later time.
 */
static int
ppp_sync_send(struct ppp_channel *chan, struct sk_buff *skb)
{
	struct syncppp *ap = chan->private;

	ppp_sync_push(ap);

	if (test_and_set_bit(XMIT_FULL, &ap->xmit_flags))
		return 0;	/* already full */
	skb = ppp_sync_txmunge(ap, skb);
	if (skb != NULL)
		ap->tpkt = skb;
	else
		clear_bit(XMIT_FULL, &ap->xmit_flags);

	ppp_sync_push(ap);
	return 1;
}

/*
 * Push as much data as possible out to the tty.
 */
static int
ppp_sync_push(struct syncppp *ap)
{
	int sent, done = 0;
	struct tty_struct *tty = ap->tty;
	int tty_stuffed = 0;

	if (!spin_trylock_bh(&ap->xmit_lock))
		return 0;
	for (;;) {
		if (test_and_clear_bit(XMIT_WAKEUP, &ap->xmit_flags))
			tty_stuffed = 0;
		if (!tty_stuffed && ap->tpkt) {
			set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
			sent = tty->ops->write(tty, ap->tpkt->data, ap->tpkt->len);
			if (sent < 0)
				goto flush;	/* error, e.g. loss of CD */
			if (sent < ap->tpkt->len) {
				tty_stuffed = 1;
			} else {
				consume_skb(ap->tpkt);
				ap->tpkt = NULL;
				clear_bit(XMIT_FULL, &ap->xmit_flags);
				done = 1;
			}
			continue;
		}
		/* haven't made any progress */
		spin_unlock_bh(&ap->xmit_lock);
		if (!(test_bit(XMIT_WAKEUP, &ap->xmit_flags) ||
		      (!tty_stuffed && ap->tpkt)))
			break;
		if (!spin_trylock_bh(&ap->xmit_lock))
			break;
	}
	return done;

flush:
	if (ap->tpkt) {
		kfree_skb(ap->tpkt);
		ap->tpkt = NULL;
		clear_bit(XMIT_FULL, &ap->xmit_flags);
		done = 1;
	}
	spin_unlock_bh(&ap->xmit_lock);
	return done;
}

/*
 * Flush output from our internal buffers.
 * Called for the TCFLSH ioctl.
 */
static void
ppp_sync_flush_output(struct syncppp *ap)
{
	int done = 0;

	spin_lock_bh(&ap->xmit_lock);
	if (ap->tpkt != NULL) {
		kfree_skb(ap->tpkt);
		ap->tpkt = NULL;
		clear_bit(XMIT_FULL, &ap->xmit_flags);
		done = 1;
	}
	spin_unlock_bh(&ap->xmit_lock);
	if (done)
		ppp_output_wakeup(&ap->chan);
}

/*
 * Receive-side routines.
 */

/* called when the tty driver has data for us.
 *
 * Data is frame oriented: each call to ppp_sync_input is considered
 * a whole frame. If the 1st flag byte is non-zero then the whole
 * frame is considered to be in error and is tossed.
 */
static void
ppp_sync_input(struct syncppp *ap, const u8 *buf, const u8 *flags, int count)
{
	struct sk_buff *skb;
	unsigned char *p;

	if (count == 0)
		return;

	if (ap->flags & SC_LOG_INPKT)
		ppp_print_buffer ("receive buffer", buf, count);

	/* stuff the chars in the skb */
	skb = dev_alloc_skb(ap->mru + PPP_HDRLEN + 2);
	if (!skb) {
		printk(KERN_ERR "PPPsync: no memory (input pkt)\n");
		goto err;
	}
	/* Try to get the payload 4-byte aligned */
	if (buf[0] != PPP_ALLSTATIONS)
		skb_reserve(skb, 2 + (buf[0] & 1));

	if (flags && *flags) {
		/* error flag set, ignore frame */
		goto err;
	} else if (count > skb_tailroom(skb)) {
		/* packet overflowed MRU */
		goto err;
	}

	skb_put_data(skb, buf, count);

	/* strip address/control field if present */
	p = skb->data;
	if (skb->len >= 2 && p[0] == PPP_ALLSTATIONS && p[1] == PPP_UI) {
		/* chop off address/control */
		if (skb->len < 3)
			goto err;
		p = skb_pull(skb, 2);
	}

	/* PPP packet length should be >= 2 bytes when protocol field is not
	 * compressed.
	 */
	if (!(p[0] & 0x01) && skb->len < 2)
		goto err;

	/* queue the frame to be processed */
	skb_queue_tail(&ap->rqueue, skb);
	return;

err:
	/* queue zero length packet as error indication */
	if (skb || (skb = dev_alloc_skb(0))) {
		skb_trim(skb, 0);
		skb_queue_tail(&ap->rqueue, skb);
	}
}

static void __exit
ppp_sync_cleanup(void)
{
	tty_unregister_ldisc(&ppp_sync_ldisc);
}

module_init(ppp_sync_init);
module_exit(ppp_sync_cleanup);
MODULE_DESCRIPTION("PPP synchronous TTY channel module");
MODULE_LICENSE("GPL");
MODULE_ALIAS_LDISC(N_SYNC_PPP);
]

8/2 2026/05/16 01:54 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 22137
							output: 26
							thoughts: 607
						

Thoughts:
**Analyzing a Potential Locking Issue**

Okay, so I'm looking at this `disc_data_lock`, which is a read-write lock, an rwlock, in the `sp_get()` function. I see that it's acquired with `read_lock()`. That means the lock doesn't disable interrupts, just preemption. That raises a red flag; it's a HARDIRQ-unsafe lock.

Hang on… that's right, `read_lock()` *doesn't* disable interrupts. Now I'm picturing the scenario: if an interrupt happens while `disc_data_lock` is held (as a read lock), and that interrupt handler tries to acquire `disc_data_lock`, we could deadlock if it were a write lock. But, with a read lock, it would only deadlock if the rwlock implementation is fair, which is the case for Linux rwlocks. I need to be more precise in my thinking, so I'll check the lockdep output.

The lockdep warning seems to confirm my concern, showing a deadlock scenario where CPU0 acquires `disc_data_lock`, and then an interrupt (potentially on the same CPU) attempts to acquire `port_lock_key`, which is then followed by CPU1 attempting to acquire `disc_data_lock`. The interrupt handler acquires `port_lock_key`, and the deadlock is clear.

The key seems to be that `&port_lock_key` is acquired in a hardirq context, like `serial8250_interrupt`. So, `&port_lock_key` *is* HARDIRQ-safe.

Now, I'm tracing the calls. `disc_data_lock` is HARDIRQ-unsafe, acquired with `read_lock()` in `sp_get()`. This is called from `ppp_sync_wakeup()`, which comes from `tty_wakeup()`, then `uart_write_wakeup()`, and finally `uart_handle_cts_change()`, leading to `serial8250_modem_status()`, then `serial8250_do_get_mctrl()`, and finally `uart_carrier_raised()`.

Wait a minute, `uart_carrier_raised()` is *called* with `port_lock_key` already held! That's it, that's the vulnerability! Let me check `drivers/tty/serial/serial_core.c` and confirm my line of thinking.



9/2 2026/05/16 01:54 tool read-file
0m Args:
map[File:drivers/tty/serial/serial_core.c]

Results:
map[Contents:// SPDX-License-Identifier: GPL-2.0+
/*
 *  Driver core for serial ports
 *
 *  Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o.
 *
 *  Copyright 1999 ARM Limited
 *  Copyright (C) 2000-2001 Deep Blue Solutions Ltd.
 */
#include <linux/module.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/slab.h>
#include <linux/sched/signal.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/gpio/consumer.h>
#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/pm_runtime.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/device.h>
#include <linux/serial.h> /* for serial_state and serial_icounter_struct */
#include <linux/serial_core.h>
#include <linux/sysrq.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <linux/math64.h>
#include <linux/security.h>

#include <linux/irq.h>
#include <linux/uaccess.h>

#include "serial_base.h"

/*
 * This is used to lock changes in serial line configuration.
 */
static DEFINE_MUTEX(port_mutex);

/*
 * lockdep: port->lock is initialized in two places, but we
 *          want only one lock-class:
 */
static struct lock_class_key port_lock_key;

#define HIGH_BITS_OFFSET	((sizeof(long)-sizeof(int))*8)

/*
 * Max time with active RTS before/after data is sent.
 */
#define RS485_MAX_RTS_DELAY	100 /* msecs */

static void uart_change_pm(struct uart_state *state,
			   enum uart_pm_state pm_state);

static void uart_port_shutdown(struct tty_port *port);

static int uart_dcd_enabled(struct uart_port *uport)
{
	return !!(uport->status & UPSTAT_DCD_ENABLE);
}

static inline struct uart_port *uart_port_ref(struct uart_state *state)
{
	if (atomic_add_unless(&state->refcount, 1, 0))
		return state->uart_port;
	return NULL;
}

static inline void uart_port_deref(struct uart_port *uport)
{
	if (atomic_dec_and_test(&uport->state->refcount))
		wake_up(&uport->state->remove_wait);
}

static inline struct uart_port *uart_port_ref_lock(struct uart_state *state, unsigned long *flags)
{
	struct uart_port *uport = uart_port_ref(state);

	if (uport)
		uart_port_lock_irqsave(uport, flags);

	return uport;
}

static inline void uart_port_unlock_deref(struct uart_port *uport, unsigned long flags)
{
	if (uport) {
		uart_port_unlock_irqrestore(uport, flags);
		uart_port_deref(uport);
	}
}

static inline struct uart_port *uart_port_check(struct uart_state *state)
{
	lockdep_assert_held(&state->port.mutex);
	return state->uart_port;
}

/**
 * uart_write_wakeup - schedule write processing
 * @port: port to be processed
 *
 * This routine is used by the interrupt handler to schedule processing in the
 * software interrupt portion of the driver. A driver is expected to call this
 * function when the number of characters in the transmit buffer have dropped
 * below a threshold.
 *
 * Locking: @port->lock should be held
 */
void uart_write_wakeup(struct uart_port *port)
{
	struct uart_state *state = port->state;
	/*
	 * This means you called this function _after_ the port was
	 * closed.  No cookie for you.
	 */
	BUG_ON(!state);
	tty_port_tty_wakeup(&state->port);
}
EXPORT_SYMBOL(uart_write_wakeup);

static void uart_stop(struct tty_struct *tty)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *port;
	unsigned long flags;

	port = uart_port_ref_lock(state, &flags);
	if (port)
		port->ops->stop_tx(port);
	uart_port_unlock_deref(port, flags);
}

static void __uart_start(struct uart_state *state)
{
	struct uart_port *port = state->uart_port;
	struct serial_port_device *port_dev;
	int err;

	if (!port || port->flags & UPF_DEAD || uart_tx_stopped(port))
		return;

	port_dev = port->port_dev;

	/* Increment the runtime PM usage count for the active check below */
	err = pm_runtime_get(&port_dev->dev);
	if (err < 0 && err != -EINPROGRESS) {
		pm_runtime_put_noidle(&port_dev->dev);
		return;
	}

	/*
	 * Start TX if enabled, and kick runtime PM. If the device is not
	 * enabled, serial_port_runtime_resume() calls start_tx() again
	 * after enabling the device.
	 */
	if (!pm_runtime_enabled(port->dev) || pm_runtime_active(&port_dev->dev))
		port->ops->start_tx(port);
	pm_runtime_mark_last_busy(&port_dev->dev);
	pm_runtime_put_autosuspend(&port_dev->dev);
}

static void uart_start(struct tty_struct *tty)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *port;
	unsigned long flags;

	port = uart_port_ref_lock(state, &flags);
	__uart_start(state);
	uart_port_unlock_deref(port, flags);
}

static void
uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear)
{
	unsigned int old;

	guard(uart_port_lock_irqsave)(port);
	old = port->mctrl;
	port->mctrl = (old & ~clear) | set;
	if (old != port->mctrl && !(port->rs485.flags & SER_RS485_ENABLED))
		port->ops->set_mctrl(port, port->mctrl);
}

#define uart_set_mctrl(port, set)	uart_update_mctrl(port, set, 0)
#define uart_clear_mctrl(port, clear)	uart_update_mctrl(port, 0, clear)

static void uart_port_dtr_rts(struct uart_port *uport, bool active)
{
	if (active)
		uart_set_mctrl(uport, TIOCM_DTR | TIOCM_RTS);
	else
		uart_clear_mctrl(uport, TIOCM_DTR | TIOCM_RTS);
}

/* Caller holds port mutex */
static void uart_change_line_settings(struct tty_struct *tty, struct uart_state *state,
				      const struct ktermios *old_termios)
{
	struct uart_port *uport = uart_port_check(state);
	struct ktermios *termios;
	bool old_hw_stopped;

	/*
	 * If we have no tty, termios, or the port does not exist,
	 * then we can't set the parameters for this port.
	 */
	if (!tty || uport->type == PORT_UNKNOWN)
		return;

	termios = &tty->termios;
	uport->ops->set_termios(uport, termios, old_termios);

	/*
	 * Set modem status enables based on termios cflag
	 */
	guard(uart_port_lock_irq)(uport);
	if (termios->c_cflag & CRTSCTS)
		uport->status |= UPSTAT_CTS_ENABLE;
	else
		uport->status &= ~UPSTAT_CTS_ENABLE;

	if (termios->c_cflag & CLOCAL)
		uport->status &= ~UPSTAT_DCD_ENABLE;
	else
		uport->status |= UPSTAT_DCD_ENABLE;

	/* reset sw-assisted CTS flow control based on (possibly) new mode */
	old_hw_stopped = uport->hw_stopped;
	uport->hw_stopped = uart_softcts_mode(uport) &&
			    !(uport->ops->get_mctrl(uport) & TIOCM_CTS);
	if (uport->hw_stopped != old_hw_stopped) {
		if (!old_hw_stopped)
			uport->ops->stop_tx(uport);
		else
			__uart_start(state);
	}
}

static int uart_alloc_xmit_buf(struct tty_port *port)
{
	struct uart_state *state = container_of(port, struct uart_state, port);
	struct uart_port *uport;
	unsigned long flags;
	unsigned long page;

	/*
	 * Initialise and allocate the transmit and temporary
	 * buffer.
	 */
	page = get_zeroed_page(GFP_KERNEL);
	if (!page)
		return -ENOMEM;

	uport = uart_port_ref_lock(state, &flags);
	if (!state->port.xmit_buf) {
		state->port.xmit_buf = (unsigned char *)page;
		kfifo_init(&state->port.xmit_fifo, state->port.xmit_buf,
				PAGE_SIZE);
		uart_port_unlock_deref(uport, flags);
	} else {
		uart_port_unlock_deref(uport, flags);
		/*
		 * Do not free() the page under the port lock, see
		 * uart_free_xmit_buf().
		 */
		free_page(page);
	}

	return 0;
}

static void uart_free_xmit_buf(struct tty_port *port)
{
	struct uart_state *state = container_of(port, struct uart_state, port);
	struct uart_port *uport;
	unsigned long flags;
	char *xmit_buf;

	/*
	 * Do not free() the transmit buffer page under the port lock since
	 * this can create various circular locking scenarios. For instance,
	 * console driver may need to allocate/free a debug object, which
	 * can end up in printk() recursion.
	 */
	uport = uart_port_ref_lock(state, &flags);
	xmit_buf = port->xmit_buf;
	port->xmit_buf = NULL;
	INIT_KFIFO(port->xmit_fifo);
	uart_port_unlock_deref(uport, flags);

	free_page((unsigned long)xmit_buf);
}

/*
 * Startup the port.  This will be called once per open.  All calls
 * will be serialised by the per-port mutex.
 */
static int uart_port_startup(struct tty_struct *tty, struct uart_state *state,
			     bool init_hw)
{
	struct uart_port *uport = uart_port_check(state);
	int retval;

	if (uport->type == PORT_UNKNOWN)
		return 1;

	/*
	 * Make sure the device is in D0 state.
	 */
	uart_change_pm(state, UART_PM_STATE_ON);

	retval = uart_alloc_xmit_buf(&state->port);
	if (retval)
		return retval;

	retval = uport->ops->startup(uport);
	if (retval == 0) {
		if (uart_console(uport) && uport->cons->cflag) {
			tty->termios.c_cflag = uport->cons->cflag;
			tty->termios.c_ispeed = uport->cons->ispeed;
			tty->termios.c_ospeed = uport->cons->ospeed;
			uport->cons->cflag = 0;
			uport->cons->ispeed = 0;
			uport->cons->ospeed = 0;
		}
		/*
		 * Initialise the hardware port settings.
		 */
		uart_change_line_settings(tty, state, NULL);

		/*
		 * Setup the RTS and DTR signals once the
		 * port is open and ready to respond.
		 */
		if (init_hw && C_BAUD(tty))
			uart_port_dtr_rts(uport, true);
	}

	/*
	 * This is to allow setserial on this port. People may want to set
	 * port/irq/type and then reconfigure the port properly if it failed
	 * now.
	 */
	if (retval && capable(CAP_SYS_ADMIN))
		return 1;

	return retval;
}

static int uart_startup(struct tty_struct *tty, struct uart_state *state,
			bool init_hw)
{
	struct tty_port *port = &state->port;
	struct uart_port *uport;
	int retval;

	if (tty_port_initialized(port))
		goto out_base_port_startup;

	retval = uart_port_startup(tty, state, init_hw);
	if (retval) {
		set_bit(TTY_IO_ERROR, &tty->flags);
		return retval;
	}

out_base_port_startup:
	uport = uart_port_check(state);
	if (!uport)
		return -EIO;

	serial_base_port_startup(uport);

	return 0;
}

/*
 * This routine will shutdown a serial port; interrupts are disabled, and
 * DTR is dropped if the hangup on close termio flag is on.  Calls to
 * uart_shutdown are serialised by the per-port semaphore.
 *
 * uport == NULL if uart_port has already been removed
 */
static void uart_shutdown(struct tty_struct *tty, struct uart_state *state)
{
	struct uart_port *uport = uart_port_check(state);
	struct tty_port *port = &state->port;

	/*
	 * Set the TTY IO error marker
	 */
	if (tty)
		set_bit(TTY_IO_ERROR, &tty->flags);

	if (uport)
		serial_base_port_shutdown(uport);

	if (tty_port_initialized(port)) {
		tty_port_set_initialized(port, false);

		/*
		 * Turn off DTR and RTS early.
		 */
		if (uport) {
			if (uart_console(uport) && tty) {
				uport->cons->cflag = tty->termios.c_cflag;
				uport->cons->ispeed = tty->termios.c_ispeed;
				uport->cons->ospeed = tty->termios.c_ospeed;
			}

			if (!tty || C_HUPCL(tty))
				uart_port_dtr_rts(uport, false);
		}

		uart_port_shutdown(port);
	}

	/*
	 * It's possible for shutdown to be called after suspend if we get
	 * a DCD drop (hangup) at just the right time.  Clear suspended bit so
	 * we don't try to resume a port that has been shutdown.
	 */
	tty_port_set_suspended(port, false);

	uart_free_xmit_buf(port);
}

/**
 * uart_update_timeout - update per-port frame timing information
 * @port: uart_port structure describing the port
 * @cflag: termios cflag value
 * @baud: speed of the port
 *
 * Set the @port frame timing information from which the FIFO timeout value is
 * derived. The @cflag value should reflect the actual hardware settings as
 * number of bits, parity, stop bits and baud rate is taken into account here.
 *
 * Locking: caller is expected to take @port->lock
 */
void
uart_update_timeout(struct uart_port *port, unsigned int cflag,
		    unsigned int baud)
{
	u64 temp = tty_get_frame_size(cflag);

	temp *= NSEC_PER_SEC;
	port->frame_time = (unsigned int)DIV64_U64_ROUND_UP(temp, baud);
}
EXPORT_SYMBOL(uart_update_timeout);

/**
 * uart_get_baud_rate - return baud rate for a particular port
 * @port: uart_port structure describing the port in question.
 * @termios: desired termios settings
 * @old: old termios (or %NULL)
 * @min: minimum acceptable baud rate
 * @max: maximum acceptable baud rate
 *
 * Decode the termios structure into a numeric baud rate, taking account of the
 * magic 38400 baud rate (with spd_* flags), and mapping the %B0 rate to 9600
 * baud.
 *
 * If the new baud rate is invalid, try the @old termios setting. If it's still
 * invalid, we try 9600 baud. If that is also invalid 0 is returned.
 *
 * The @termios structure is updated to reflect the baud rate we're actually
 * going to be using. Don't do this for the case where B0 is requested ("hang
 * up").
 *
 * Locking: caller dependent
 */
unsigned int
uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
		   const struct ktermios *old, unsigned int min, unsigned int max)
{
	unsigned int try;
	unsigned int baud;
	unsigned int altbaud;
	int hung_up = 0;
	upf_t flags = port->flags & UPF_SPD_MASK;

	switch (flags) {
	case UPF_SPD_HI:
		altbaud = 57600;
		break;
	case UPF_SPD_VHI:
		altbaud = 115200;
		break;
	case UPF_SPD_SHI:
		altbaud = 230400;
		break;
	case UPF_SPD_WARP:
		altbaud = 460800;
		break;
	default:
		altbaud = 38400;
		break;
	}

	for (try = 0; try < 2; try++) {
		baud = tty_termios_baud_rate(termios);

		/*
		 * The spd_hi, spd_vhi, spd_shi, spd_warp kludge...
		 * Die! Die! Die!
		 */
		if (try == 0 && baud == 38400)
			baud = altbaud;

		/*
		 * Special case: B0 rate.
		 */
		if (baud == 0) {
			hung_up = 1;
			baud = 9600;
		}

		if (baud >= min && baud <= max)
			return baud;

		/*
		 * Oops, the quotient was zero.  Try again with
		 * the old baud rate if possible.
		 */
		termios->c_cflag &= ~CBAUD;
		if (old) {
			baud = tty_termios_baud_rate(old);
			if (!hung_up)
				tty_termios_encode_baud_rate(termios,
								baud, baud);
			old = NULL;
			continue;
		}

		/*
		 * As a last resort, if the range cannot be met then clip to
		 * the nearest chip supported rate.
		 */
		if (!hung_up) {
			if (baud <= min)
				tty_termios_encode_baud_rate(termios,
							min + 1, min + 1);
			else
				tty_termios_encode_baud_rate(termios,
							max - 1, max - 1);
		}
	}
	return 0;
}
EXPORT_SYMBOL(uart_get_baud_rate);

/**
 * uart_get_divisor - return uart clock divisor
 * @port: uart_port structure describing the port
 * @baud: desired baud rate
 *
 * Calculate the divisor (baud_base / baud) for the specified @baud,
 * appropriately rounded.
 *
 * If 38400 baud and custom divisor is selected, return the custom divisor
 * instead.
 *
 * Locking: caller dependent
 */
unsigned int
uart_get_divisor(struct uart_port *port, unsigned int baud)
{
	unsigned int quot;

	/*
	 * Old custom speed handling.
	 */
	if (baud == 38400 && (port->flags & UPF_SPD_MASK) == UPF_SPD_CUST)
		quot = port->custom_divisor;
	else
		quot = DIV_ROUND_CLOSEST(port->uartclk, 16 * baud);

	return quot;
}
EXPORT_SYMBOL(uart_get_divisor);

static int uart_put_char(struct tty_struct *tty, u8 c)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *port;
	unsigned long flags;
	int ret = 0;

	port = uart_port_ref_lock(state, &flags);
	if (!state->port.xmit_buf) {
		uart_port_unlock_deref(port, flags);
		return 0;
	}

	if (port)
		ret = kfifo_put(&state->port.xmit_fifo, c);
	uart_port_unlock_deref(port, flags);
	return ret;
}

static void uart_flush_chars(struct tty_struct *tty)
{
	uart_start(tty);
}

static ssize_t uart_write(struct tty_struct *tty, const u8 *buf, size_t count)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *port;
	unsigned long flags;
	int ret = 0;

	/*
	 * This means you called this function _after_ the port was
	 * closed.  No cookie for you.
	 */
	if (WARN_ON(!state))
		return -EL3HLT;

	port = uart_port_ref_lock(state, &flags);
	if (!state->port.xmit_buf) {
		uart_port_unlock_deref(port, flags);
		return 0;
	}

	if (port)
		ret = kfifo_in(&state->port.xmit_fifo, buf, count);

	__uart_start(state);
	uart_port_unlock_deref(port, flags);
	return ret;
}

static unsigned int uart_write_room(struct tty_struct *tty)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *port;
	unsigned long flags;
	unsigned int ret;

	port = uart_port_ref_lock(state, &flags);
	if (!state->port.xmit_buf)
		ret = 0;
	else
		ret = kfifo_avail(&state->port.xmit_fifo);
	uart_port_unlock_deref(port, flags);
	return ret;
}

static unsigned int uart_chars_in_buffer(struct tty_struct *tty)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *port;
	unsigned long flags;
	unsigned int ret;

	port = uart_port_ref_lock(state, &flags);
	ret = kfifo_len(&state->port.xmit_fifo);
	uart_port_unlock_deref(port, flags);
	return ret;
}

static void uart_flush_buffer(struct tty_struct *tty)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *port;
	unsigned long flags;

	/*
	 * This means you called this function _after_ the port was
	 * closed.  No cookie for you.
	 */
	if (WARN_ON(!state))
		return;

	pr_debug("uart_flush_buffer(%d) called\n", tty->index);

	port = uart_port_ref_lock(state, &flags);
	if (!port)
		return;
	kfifo_reset(&state->port.xmit_fifo);
	if (port->ops->flush_buffer)
		port->ops->flush_buffer(port);
	uart_port_unlock_deref(port, flags);
	tty_port_tty_wakeup(&state->port);
}

/*
 * This function performs low-level write of high-priority XON/XOFF
 * character and accounting for it.
 *
 * Requires uart_port to implement .serial_out().
 */
void uart_xchar_out(struct uart_port *uport, int offset)
{
	serial_port_out(uport, offset, uport->x_char);
	uport->icount.tx++;
	uport->x_char = 0;
}
EXPORT_SYMBOL_GPL(uart_xchar_out);

/*
 * This function is used to send a high-priority XON/XOFF character to
 * the device
 */
static void uart_send_xchar(struct tty_struct *tty, u8 ch)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *port;

	port = uart_port_ref(state);
	if (!port)
		return;

	if (port->ops->send_xchar)
		port->ops->send_xchar(port, ch);
	else {
		guard(uart_port_lock_irqsave)(port);
		port->x_char = ch;
		if (ch)
			port->ops->start_tx(port);
	}
	uart_port_deref(port);
}

static void uart_throttle(struct tty_struct *tty)
{
	struct uart_state *state = tty->driver_data;
	upstat_t mask = UPSTAT_SYNC_FIFO;
	struct uart_port *port;

	port = uart_port_ref(state);
	if (!port)
		return;

	if (I_IXOFF(tty))
		mask |= UPSTAT_AUTOXOFF;
	if (C_CRTSCTS(tty))
		mask |= UPSTAT_AUTORTS;

	if (port->status & mask) {
		port->ops->throttle(port);
		mask &= ~port->status;
	}

	if (mask & UPSTAT_AUTORTS)
		uart_clear_mctrl(port, TIOCM_RTS);

	if (mask & UPSTAT_AUTOXOFF)
		uart_send_xchar(tty, STOP_CHAR(tty));

	uart_port_deref(port);
}

static void uart_unthrottle(struct tty_struct *tty)
{
	struct uart_state *state = tty->driver_data;
	upstat_t mask = UPSTAT_SYNC_FIFO;
	struct uart_port *port;

	port = uart_port_ref(state);
	if (!port)
		return;

	if (I_IXOFF(tty))
		mask |= UPSTAT_AUTOXOFF;
	if (C_CRTSCTS(tty))
		mask |= UPSTAT_AUTORTS;

	if (port->status & mask) {
		port->ops->unthrottle(port);
		mask &= ~port->status;
	}

	if (mask & UPSTAT_AUTORTS)
		uart_set_mctrl(port, TIOCM_RTS);

	if (mask & UPSTAT_AUTOXOFF)
		uart_send_xchar(tty, START_CHAR(tty));

	uart_port_deref(port);
}

static int uart_get_info(struct tty_port *port, struct serial_struct *retinfo)
{
	struct uart_state *state = container_of(port, struct uart_state, port);
	struct uart_port *uport;

	/* Initialize structure in case we error out later to prevent any stack info leakage. */
	*retinfo = (struct serial_struct){};

	/*
	 * Ensure the state we copy is consistent and no hardware changes
	 * occur as we go
	 */
	guard(mutex)(&port->mutex);
	uport = uart_port_check(state);
	if (!uport)
		return -ENODEV;

	retinfo->type	    = uport->type;
	retinfo->line	    = uport->line;
	retinfo->port	    = uport->iobase;
	if (HIGH_BITS_OFFSET)
		retinfo->port_high = (long) uport->iobase >> HIGH_BITS_OFFSET;
	retinfo->irq		    = uport->irq;
	retinfo->flags	    = (__force int)uport->flags;
	retinfo->xmit_fifo_size  = uport->fifosize;
	retinfo->baud_base	    = uport->uartclk / 16;
	retinfo->close_delay	    = jiffies_to_msecs(port->close_delay) / 10;
	retinfo->closing_wait    = port->closing_wait == ASYNC_CLOSING_WAIT_NONE ?
				ASYNC_CLOSING_WAIT_NONE :
				jiffies_to_msecs(port->closing_wait) / 10;
	retinfo->custom_divisor  = uport->custom_divisor;
	retinfo->hub6	    = uport->hub6;
	retinfo->io_type         = uport->iotype;
	retinfo->iomem_reg_shift = uport->regshift;
	retinfo->iomem_base      = (void *)(unsigned long)uport->mapbase;

	return 0;
}

static int uart_get_info_user(struct tty_struct *tty,
			 struct serial_struct *ss)
{
	struct uart_state *state = tty->driver_data;
	struct tty_port *port = &state->port;

	return uart_get_info(port, ss) < 0 ? -EIO : 0;
}

static int uart_change_port(struct uart_port *uport,
			    const struct serial_struct *new_info,
			    unsigned long new_port)
{
	unsigned long old_iobase, old_mapbase;
	unsigned int old_type, old_iotype, old_hub6, old_shift;
	int retval;

	old_iobase = uport->iobase;
	old_mapbase = uport->mapbase;
	old_type = uport->type;
	old_hub6 = uport->hub6;
	old_iotype = uport->iotype;
	old_shift = uport->regshift;

	if (old_type != PORT_UNKNOWN && uport->ops->release_port)
		uport->ops->release_port(uport);

	uport->iobase = new_port;
	uport->type = new_info->type;
	uport->hub6 = new_info->hub6;
	uport->iotype = new_info->io_type;
	uport->regshift = new_info->iomem_reg_shift;
	uport->mapbase = (unsigned long)new_info->iomem_base;

	if (uport->type == PORT_UNKNOWN || !uport->ops->request_port)
		return 0;

	retval = uport->ops->request_port(uport);
	if (retval == 0)
		return 0; /* succeeded => done */

	/*
	 * If we fail to request resources for the new port, try to restore the
	 * old settings.
	 */
	uport->iobase = old_iobase;
	uport->type = old_type;
	uport->hub6 = old_hub6;
	uport->iotype = old_iotype;
	uport->regshift = old_shift;
	uport->mapbase = old_mapbase;

	if (old_type == PORT_UNKNOWN)
		return retval;

	retval = uport->ops->request_port(uport);
	/* If we failed to restore the old settings, we fail like this. */
	if (retval)
		uport->type = PORT_UNKNOWN;

	/* We failed anyway. */
	return -EBUSY;
}

static int uart_set_info(struct tty_struct *tty, struct tty_port *port,
			 struct uart_state *state,
			 struct serial_struct *new_info)
{
	struct uart_port *uport = uart_port_check(state);
	unsigned long new_port;
	unsigned int old_custom_divisor, close_delay, closing_wait;
	bool change_irq, change_port;
	upf_t old_flags, new_flags;
	int retval;

	if (!uport)
		return -EIO;

	new_port = new_info->port;
	if (HIGH_BITS_OFFSET)
		new_port += (unsigned long) new_info->port_high << HIGH_BITS_OFFSET;

	new_info->irq = irq_canonicalize(new_info->irq);
	close_delay = msecs_to_jiffies(new_info->close_delay * 10);
	closing_wait = new_info->closing_wait == ASYNC_CLOSING_WAIT_NONE ?
			ASYNC_CLOSING_WAIT_NONE :
			msecs_to_jiffies(new_info->closing_wait * 10);


	change_irq  = !(uport->flags & UPF_FIXED_PORT)
		&& new_info->irq != uport->irq;

	/*
	 * Since changing the 'type' of the port changes its resource
	 * allocations, we should treat type changes the same as
	 * IO port changes.
	 */
	change_port = !(uport->flags & UPF_FIXED_PORT)
		&& (new_port != uport->iobase ||
		    (unsigned long)new_info->iomem_base != uport->mapbase ||
		    new_info->hub6 != uport->hub6 ||
		    new_info->io_type != uport->iotype ||
		    new_info->iomem_reg_shift != uport->regshift ||
		    new_info->type != uport->type);

	old_flags = uport->flags;
	new_flags = (__force upf_t)new_info->flags;
	old_custom_divisor = uport->custom_divisor;

	if (!(uport->flags & UPF_FIXED_PORT)) {
		unsigned int uartclk = new_info->baud_base * 16;
		/* check needs to be done here before other settings made */
		if (uartclk == 0)
			return -EINVAL;
	}
	if (!capable(CAP_SYS_ADMIN)) {
		if (change_irq || change_port ||
		    (new_info->baud_base != uport->uartclk / 16) ||
		    (close_delay != port->close_delay) ||
		    (closing_wait != port->closing_wait) ||
		    (new_info->xmit_fifo_size &&
		     new_info->xmit_fifo_size != uport->fifosize) ||
		    (((new_flags ^ old_flags) & ~UPF_USR_MASK) != 0))
			return -EPERM;
		uport->flags = ((uport->flags & ~UPF_USR_MASK) |
			       (new_flags & UPF_USR_MASK));
		uport->custom_divisor = new_info->custom_divisor;
		goto check_and_exit;
	}

	if (change_irq || change_port) {
		retval = security_locked_down(LOCKDOWN_TIOCSSERIAL);
		if (retval)
			return retval;
	}

	 /* Ask the low level driver to verify the settings. */
	if (uport->ops->verify_port) {
		retval = uport->ops->verify_port(uport, new_info);
		if (retval)
			return retval;
	}

	if ((new_info->irq >= irq_get_nr_irqs()) || (new_info->irq < 0) ||
	    (new_info->baud_base < 9600))
		return -EINVAL;

	if (change_port || change_irq) {
		 /* Make sure that we are the sole user of this port. */
		if (tty_port_users(port) > 1)
			return -EBUSY;

		/*
		 * We need to shutdown the serial port at the old
		 * port/type/irq combination.
		 */
		uart_shutdown(tty, state);
	}

	if (change_port) {
		retval = uart_change_port(uport, new_info, new_port);
		if (retval)
			return retval;
	}

	if (change_irq)
		uport->irq      = new_info->irq;
	if (!(uport->flags & UPF_FIXED_PORT))
		uport->uartclk  = new_info->baud_base * 16;
	uport->flags            = (uport->flags & ~UPF_CHANGE_MASK) |
				 (new_flags & UPF_CHANGE_MASK);
	uport->custom_divisor   = new_info->custom_divisor;
	port->close_delay     = close_delay;
	port->closing_wait    = closing_wait;
	if (new_info->xmit_fifo_size)
		uport->fifosize = new_info->xmit_fifo_size;

 check_and_exit:
	if (uport->type == PORT_UNKNOWN)
		return 0;

	if (tty_port_initialized(port)) {
		if (((old_flags ^ uport->flags) & UPF_SPD_MASK) ||
		    old_custom_divisor != uport->custom_divisor) {
			/*
			 * If they're setting up a custom divisor or speed,
			 * instead of clearing it, then bitch about it.
			 */
			if (uport->flags & UPF_SPD_MASK) {
				dev_notice_ratelimited(uport->dev,
				       "%s sets custom speed on %s. This is deprecated.\n",
				      current->comm,
				      tty_name(port->tty));
			}
			uart_change_line_settings(tty, state, NULL);
		}

		return 0;
	}

	retval = uart_startup(tty, state, true);
	if (retval < 0)
		return retval;
	if (retval == 0)
		tty_port_set_initialized(port, true);

	return 0;
}

static int uart_set_info_user(struct tty_struct *tty, struct serial_struct *ss)
{
	struct uart_state *state = tty->driver_data;
	struct tty_port *port = &state->port;

	guard(rwsem_write)(&tty->termios_rwsem);
	/*
	 * This semaphore protects port->count.  It is also
	 * very useful to prevent opens.  Also, take the
	 * port configuration semaphore to make sure that a
	 * module insertion/removal doesn't change anything
	 * under us.
	 */
	guard(mutex)(&port->mutex);
	return uart_set_info(tty, port, state, ss);
}

/**
 * uart_get_lsr_info - get line status register info
 * @tty: tty associated with the UART
 * @state: UART being queried
 * @value: returned modem value
 */
static int uart_get_lsr_info(struct tty_struct *tty,
			struct uart_state *state, unsigned int __user *value)
{
	struct uart_port *uport = uart_port_check(state);
	unsigned int result;

	result = uport->ops->tx_empty(uport);

	/*
	 * If we're about to load something into the transmit
	 * register, we'll pretend the transmitter isn't empty to
	 * avoid a race condition (depending on when the transmit
	 * interrupt happens).
	 */
	if (uport->x_char ||
	    (!kfifo_is_empty(&state->port.xmit_fifo) &&
	     !uart_tx_stopped(uport)))
		result &= ~TIOCSER_TEMT;

	return put_user(result, value);
}

static int uart_tiocmget(struct tty_struct *tty)
{
	struct uart_state *state = tty->driver_data;
	struct tty_port *port = &state->port;
	struct uart_port *uport;

	guard(mutex)(&port->mutex);

	uport = uart_port_check(state);
	if (!uport || tty_io_error(tty))
		return -EIO;

	guard(uart_port_lock_irq)(uport);

	return uport->mctrl | uport->ops->get_mctrl(uport);
}

static int
uart_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear)
{
	struct uart_state *state = tty->driver_data;
	struct tty_port *port = &state->port;
	struct uart_port *uport;

	guard(mutex)(&port->mutex);

	uport = uart_port_check(state);
	if (!uport || tty_io_error(tty))
		return -EIO;

	uart_update_mctrl(uport, set, clear);

	return 0;
}

static int uart_break_ctl(struct tty_struct *tty, int break_state)
{
	struct uart_state *state = tty->driver_data;
	struct tty_port *port = &state->port;
	struct uart_port *uport;

	guard(mutex)(&port->mutex);

	uport = uart_port_check(state);
	if (!uport)
		return -EIO;

	if (uport->type != PORT_UNKNOWN && uport->ops->break_ctl)
		uport->ops->break_ctl(uport, break_state);

	return 0;
}

static int uart_do_autoconfig(struct tty_struct *tty, struct uart_state *state)
{
	struct tty_port *port = &state->port;
	struct uart_port *uport;
	int flags, ret;

	if (!capable(CAP_SYS_ADMIN))
		return -EPERM;

	/*
	 * Take the per-port semaphore.  This prevents count from
	 * changing, and hence any extra opens of the port while
	 * we're auto-configuring.
	 */
	scoped_cond_guard(mutex_intr, return -ERESTARTSYS, &port->mutex) {
		uport = uart_port_check(state);
		if (!uport)
			return -EIO;

		if (tty_port_users(port) != 1)
			return -EBUSY;

		uart_shutdown(tty, state);

		/*
		 * If we already have a port type configured,
		 * we must release its resources.
		 */
		if (uport->type != PORT_UNKNOWN && uport->ops->release_port)
			uport->ops->release_port(uport);

		flags = UART_CONFIG_TYPE;
		if (uport->flags & UPF_AUTO_IRQ)
			flags |= UART_CONFIG_IRQ;

		/*
		 * This will claim the ports resources if
		 * a port is found.
		 */
		uport->ops->config_port(uport, flags);

		ret = uart_startup(tty, state, true);
		if (ret < 0)
			return ret;
		if (ret > 0)
			return 0;

		tty_port_set_initialized(port, true);
	}

	return 0;
}

static void uart_enable_ms(struct uart_port *uport)
{
	/*
	 * Force modem status interrupts on
	 */
	if (uport->ops->enable_ms)
		uport->ops->enable_ms(uport);
}

/*
 * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
 * - mask passed in arg for lines of interest
 *   (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
 * Caller should use TIOCGICOUNT to see which one it was
 *
 * FIXME: This wants extracting into a common all driver implementation
 * of TIOCMWAIT using tty_port.
 */
static int uart_wait_modem_status(struct uart_state *state, unsigned long arg)
{
	struct uart_port *uport;
	struct tty_port *port = &state->port;
	DECLARE_WAITQUEUE(wait, current);
	struct uart_icount cprev, cnow;
	int ret;

	/*
	 * note the counters on entry
	 */
	uport = uart_port_ref(state);
	if (!uport)
		return -EIO;
	scoped_guard(uart_port_lock_irq, uport) {
		memcpy(&cprev, &uport->icount, sizeof(struct uart_icount));
		uart_enable_ms(uport);
	}

	add_wait_queue(&port->delta_msr_wait, &wait);
	for (;;) {
		scoped_guard(uart_port_lock_irq, uport)
			memcpy(&cnow, &uport->icount, sizeof(struct uart_icount));

		set_current_state(TASK_INTERRUPTIBLE);

		if (((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
		    ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
		    ((arg & TIOCM_CD)  && (cnow.dcd != cprev.dcd)) ||
		    ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts))) {
			ret = 0;
			break;
		}

		schedule();

		/* see if a signal did it */
		if (signal_pending(current)) {
			ret = -ERESTARTSYS;
			break;
		}

		cprev = cnow;
	}
	__set_current_state(TASK_RUNNING);
	remove_wait_queue(&port->delta_msr_wait, &wait);
	uart_port_deref(uport);

	return ret;
}

/*
 * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
 * Return: write counters to the user passed counter struct
 * NB: both 1->0 and 0->1 transitions are counted except for
 *     RI where only 0->1 is counted.
 */
static int uart_get_icount(struct tty_struct *tty,
			  struct serial_icounter_struct *icount)
{
	struct uart_state *state = tty->driver_data;
	struct uart_icount cnow;
	struct uart_port *uport;
	unsigned long flags;

	uport = uart_port_ref_lock(state, &flags);
	if (!uport)
		return -EIO;
	memcpy(&cnow, &uport->icount, sizeof(struct uart_icount));
	uart_port_unlock_deref(uport, flags);

	icount->cts         = cnow.cts;
	icount->dsr         = cnow.dsr;
	icount->rng         = cnow.rng;
	icount->dcd         = cnow.dcd;
	icount->rx          = cnow.rx;
	icount->tx          = cnow.tx;
	icount->frame       = cnow.frame;
	icount->overrun     = cnow.overrun;
	icount->parity      = cnow.parity;
	icount->brk         = cnow.brk;
	icount->buf_overrun = cnow.buf_overrun;

	return 0;
}

#define SER_RS485_LEGACY_FLAGS	(SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | \
				 SER_RS485_RTS_AFTER_SEND | SER_RS485_RX_DURING_TX | \
				 SER_RS485_TERMINATE_BUS)

static int uart_check_rs485_flags(struct uart_port *port, struct serial_rs485 *rs485)
{
	u32 flags = rs485->flags;

	/* Don't return -EINVAL for unsupported legacy flags */
	flags &= ~SER_RS485_LEGACY_FLAGS;

	/*
	 * For any bit outside of the legacy ones that is not supported by
	 * the driver, return -EINVAL.
	 */
	if (flags & ~port->rs485_supported.flags)
		return -EINVAL;

	/* Asking for address w/o addressing mode? */
	if (!(rs485->flags & SER_RS485_ADDRB) &&
	    (rs485->flags & (SER_RS485_ADDR_RECV|SER_RS485_ADDR_DEST)))
		return -EINVAL;

	/* Address given but not enabled? */
	if (!(rs485->flags & SER_RS485_ADDR_RECV) && rs485->addr_recv)
		return -EINVAL;
	if (!(rs485->flags & SER_RS485_ADDR_DEST) && rs485->addr_dest)
		return -EINVAL;

	return 0;
}

static void uart_sanitize_serial_rs485_delays(struct uart_port *port,
					      struct serial_rs485 *rs485)
{
	if (!port->rs485_supported.delay_rts_before_send) {
		if (rs485->delay_rts_before_send) {
			dev_warn_ratelimited(port->dev,
				"%s (%u): RTS delay before sending not supported\n",
				port->name, port->line);
		}
		rs485->delay_rts_before_send = 0;
	} else if (rs485->delay_rts_before_send > RS485_MAX_RTS_DELAY) {
		rs485->delay_rts_before_send = RS485_MAX_RTS_DELAY;
		dev_warn_ratelimited(port->dev,
			"%s (%u): RTS delay before sending clamped to %u ms\n",
			port->name, port->line, rs485->delay_rts_before_send);
	}

	if (!port->rs485_supported.delay_rts_after_send) {
		if (rs485->delay_rts_after_send) {
			dev_warn_ratelimited(port->dev,
				"%s (%u): RTS delay after sending not supported\n",
				port->name, port->line);
		}
		rs485->delay_rts_after_send = 0;
	} else if (rs485->delay_rts_after_send > RS485_MAX_RTS_DELAY) {
		rs485->delay_rts_after_send = RS485_MAX_RTS_DELAY;
		dev_warn_ratelimited(port->dev,
			"%s (%u): RTS delay after sending clamped to %u ms\n",
			port->name, port->line, rs485->delay_rts_after_send);
	}
}

static void uart_sanitize_serial_rs485(struct uart_port *port, struct serial_rs485 *rs485)
{
	u32 supported_flags = port->rs485_supported.flags;

	if (!(rs485->flags & SER_RS485_ENABLED)) {
		memset(rs485, 0, sizeof(*rs485));
		return;
	}

	/* Clear other RS485 flags but SER_RS485_TERMINATE_BUS and return if enabling RS422 */
	if (rs485->flags & SER_RS485_MODE_RS422) {
		rs485->flags &= (SER_RS485_ENABLED | SER_RS485_MODE_RS422 | SER_RS485_TERMINATE_BUS);
		return;
	}

	rs485->flags &= supported_flags;

	/* Pick sane settings if the user hasn't */
	if (!(rs485->flags & SER_RS485_RTS_ON_SEND) ==
	    !(rs485->flags & SER_RS485_RTS_AFTER_SEND)) {
		if (supported_flags & SER_RS485_RTS_ON_SEND) {
			rs485->flags |= SER_RS485_RTS_ON_SEND;
			rs485->flags &= ~SER_RS485_RTS_AFTER_SEND;

			dev_warn_ratelimited(port->dev,
				"%s (%u): invalid RTS setting, using RTS_ON_SEND instead\n",
				port->name, port->line);
		} else {
			rs485->flags |= SER_RS485_RTS_AFTER_SEND;
			rs485->flags &= ~SER_RS485_RTS_ON_SEND;

			dev_warn_ratelimited(port->dev,
				"%s (%u): invalid RTS setting, using RTS_AFTER_SEND instead\n",
				port->name, port->line);
		}
	}

	uart_sanitize_serial_rs485_delays(port, rs485);

	/* Return clean padding area to userspace */
	memset(rs485->padding0, 0, sizeof(rs485->padding0));
	memset(rs485->padding1, 0, sizeof(rs485->padding1));
}

static void uart_set_rs485_termination(struct uart_port *port,
				       const struct serial_rs485 *rs485)
{
	if (!(rs485->flags & SER_RS485_ENABLED))
		return;

	gpiod_set_value_cansleep(port->rs485_term_gpio,
				 !!(rs485->flags & SER_RS485_TERMINATE_BUS));
}

static void uart_set_rs485_rx_during_tx(struct uart_port *port,
					const struct serial_rs485 *rs485)
{
	if (!(rs485->flags & SER_RS485_ENABLED))
		return;

	gpiod_set_value_cansleep(port->rs485_rx_during_tx_gpio,
				 !!(rs485->flags & SER_RS485_RX_DURING_TX));
}

static int uart_rs485_config(struct uart_port *port)
{
	struct serial_rs485 *rs485 = &port->rs485;
	int ret;

	if (!(rs485->flags & SER_RS485_ENABLED))
		return 0;

	uart_sanitize_serial_rs485(port, rs485);
	uart_set_rs485_termination(port, rs485);
	uart_set_rs485_rx_during_tx(port, rs485);

	scoped_guard(uart_port_lock_irqsave, port)
		ret = port->rs485_config(port, NULL, rs485);
	if (ret) {
		memset(rs485, 0, sizeof(*rs485));
		/* unset GPIOs */
		gpiod_set_value_cansleep(port->rs485_term_gpio, 0);
		gpiod_set_value_cansleep(port->rs485_rx_during_tx_gpio, 0);
	}

	return ret;
}

static int uart_get_rs485_config(struct uart_port *port,
			 struct serial_rs485 __user *rs485)
{
	struct serial_rs485 aux;

	scoped_guard(uart_port_lock_irqsave, port)
		aux = port->rs485;

	if (copy_to_user(rs485, &aux, sizeof(aux)))
		return -EFAULT;

	return 0;
}

static int uart_set_rs485_config(struct tty_struct *tty, struct uart_port *port,
			 struct serial_rs485 __user *rs485_user)
{
	struct serial_rs485 rs485;
	int ret;

	if (!(port->rs485_supported.flags & SER_RS485_ENABLED))
		return -ENOTTY;

	if (copy_from_user(&rs485, rs485_user, sizeof(*rs485_user)))
		return -EFAULT;

	ret = uart_check_rs485_flags(port, &rs485);
	if (ret)
		return ret;
	uart_sanitize_serial_rs485(port, &rs485);
	uart_set_rs485_termination(port, &rs485);
	uart_set_rs485_rx_during_tx(port, &rs485);

	scoped_guard(uart_port_lock_irqsave, port) {
		ret = port->rs485_config(port, &tty->termios, &rs485);
		if (!ret) {
			port->rs485 = rs485;

			/* Reset RTS and other mctrl lines when disabling RS485 */
			if (!(rs485.flags & SER_RS485_ENABLED))
				port->ops->set_mctrl(port, port->mctrl);
		}
	}
	if (ret) {
		/* restore old GPIO settings */
		gpiod_set_value_cansleep(port->rs485_term_gpio,
			!!(port->rs485.flags & SER_RS485_TERMINATE_BUS));
		gpiod_set_value_cansleep(port->rs485_rx_during_tx_gpio,
			!!(port->rs485.flags & SER_RS485_RX_DURING_TX));
		return ret;
	}

	if (copy_to_user(rs485_user, &port->rs485, sizeof(port->rs485)))
		return -EFAULT;

	return 0;
}

static int uart_get_iso7816_config(struct uart_port *port,
				   struct serial_iso7816 __user *iso7816)
{
	struct serial_iso7816 aux;

	if (!port->iso7816_config)
		return -ENOTTY;

	scoped_guard(uart_port_lock_irqsave, port)
		aux = port->iso7816;

	if (copy_to_user(iso7816, &aux, sizeof(aux)))
		return -EFAULT;

	return 0;
}

static int uart_set_iso7816_config(struct uart_port *port,
				   struct serial_iso7816 __user *iso7816_user)
{
	struct serial_iso7816 iso7816;
	int i;

	if (!port->iso7816_config)
		return -ENOTTY;

	if (copy_from_user(&iso7816, iso7816_user, sizeof(*iso7816_user)))
		return -EFAULT;

	/*
	 * There are 5 words reserved for future use. Check that userspace
	 * doesn't put stuff in there to prevent breakages in the future.
	 */
	for (i = 0; i < ARRAY_SIZE(iso7816.reserved); i++)
		if (iso7816.reserved[i])
			return -EINVAL;

	scoped_guard(uart_port_lock_irqsave, port) {
		int ret = port->iso7816_config(port, &iso7816);
		if (ret)
			return ret;
	}

	if (copy_to_user(iso7816_user, &port->iso7816, sizeof(port->iso7816)))
		return -EFAULT;

	return 0;
}

/*
 * Called via sys_ioctl.  We can use spin_lock_irq() here.
 */
static int
uart_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
{
	struct uart_state *state = tty->driver_data;
	struct tty_port *port = &state->port;
	struct uart_port *uport;
	void __user *uarg = (void __user *)arg;
	int ret = -ENOIOCTLCMD;

	/* This ioctl doesn't rely on the hardware to be present. */
	if (cmd == TIOCSERCONFIG) {
		guard(rwsem_write)(&tty->termios_rwsem);
		return uart_do_autoconfig(tty, state);
	}

	if (tty_io_error(tty))
		return -EIO;

	/* This should only be used when the hardware is present. */
	if (cmd == TIOCMIWAIT)
		return uart_wait_modem_status(state, arg);

	/* rs485_config requires more locking than others */
	if (cmd == TIOCSRS485)
		down_write(&tty->termios_rwsem);

	scoped_guard(mutex, &port->mutex) {
		uport = uart_port_check(state);

		if (!uport || tty_io_error(tty)) {
			ret = -EIO;
			break;
		}

		/*
		 * All these rely on hardware being present and need to be
		 * protected against the tty being hung up.
		 */

		switch (cmd) {
		case TIOCSERGETLSR: /* Get line status register */
			ret = uart_get_lsr_info(tty, state, uarg);
			break;

		case TIOCGRS485:
			ret = uart_get_rs485_config(uport, uarg);
			break;

		case TIOCSRS485:
			ret = uart_set_rs485_config(tty, uport, uarg);
			break;

		case TIOCSISO7816:
			ret = uart_set_iso7816_config(state->uart_port, uarg);
			break;

		case TIOCGISO7816:
			ret = uart_get_iso7816_config(state->uart_port, uarg);
			break;
		default:
			if (uport->ops->ioctl)
				ret = uport->ops->ioctl(uport, cmd, arg);
			break;
		}
	}

	if (cmd == TIOCSRS485)
		up_write(&tty->termios_rwsem);

	return ret;
}

static void uart_set_ldisc(struct tty_struct *tty)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *uport;
	struct tty_port *port = &state->port;

	if (!tty_port_initialized(port))
		return;

	guard(mutex)(&state->port.mutex);
	uport = uart_port_check(state);
	if (uport && uport->ops->set_ldisc)
		uport->ops->set_ldisc(uport, &tty->termios);
}

static void uart_set_termios(struct tty_struct *tty,
			     const struct ktermios *old_termios)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *uport;
	unsigned int cflag = tty->termios.c_cflag;
	unsigned int iflag_mask = IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK;
	bool sw_changed = false;

	guard(mutex)(&state->port.mutex);

	uport = uart_port_check(state);
	if (!uport)
		return;

	/*
	 * Drivers doing software flow control also need to know
	 * about changes to these input settings.
	 */
	if (uport->flags & UPF_SOFT_FLOW) {
		iflag_mask |= IXANY|IXON|IXOFF;
		sw_changed =
		   tty->termios.c_cc[VSTART] != old_termios->c_cc[VSTART] ||
		   tty->termios.c_cc[VSTOP] != old_termios->c_cc[VSTOP];
	}

	/*
	 * These are the bits that are used to setup various
	 * flags in the low level driver. We can ignore the Bfoo
	 * bits in c_cflag; c_[io]speed will always be set
	 * appropriately by set_termios() in tty_ioctl.c
	 */
	if ((cflag ^ old_termios->c_cflag) == 0 &&
	    tty->termios.c_ospeed == old_termios->c_ospeed &&
	    tty->termios.c_ispeed == old_termios->c_ispeed &&
	    ((tty->termios.c_iflag ^ old_termios->c_iflag) & iflag_mask) == 0 &&
	    !sw_changed)
		return;

	uart_change_line_settings(tty, state, old_termios);
	/* reload cflag from termios; port driver may have overridden flags */
	cflag = tty->termios.c_cflag;

	/* Handle transition to B0 status */
	if (((old_termios->c_cflag & CBAUD) != B0) && ((cflag & CBAUD) == B0))
		uart_clear_mctrl(uport, TIOCM_RTS | TIOCM_DTR);
	/* Handle transition away from B0 status */
	else if (((old_termios->c_cflag & CBAUD) == B0) && ((cflag & CBAUD) != B0)) {
		unsigned int mask = TIOCM_DTR;

		if (!(cflag & CRTSCTS) || !tty_throttled(tty))
			mask |= TIOCM_RTS;
		uart_set_mctrl(uport, mask);
	}
}

/*
 * Calls to uart_close() are serialised via the tty_lock in
 *   drivers/tty/tty_io.c:tty_release()
 *   drivers/tty/tty_io.c:do_tty_hangup()
 */
static void uart_close(struct tty_struct *tty, struct file *filp)
{
	struct uart_state *state = tty->driver_data;

	if (!state) {
		struct uart_driver *drv = tty->driver->driver_state;
		struct tty_port *port;

		state = drv->state + tty->index;
		port = &state->port;
		guard(spinlock_irq)(&port->lock);
		--port->count;
		return;
	}

	pr_debug("uart_close(%d) called\n", tty->index);

	tty_port_close(tty->port, tty, filp);
}

static void uart_tty_port_shutdown(struct tty_port *port)
{
	struct uart_state *state = container_of(port, struct uart_state, port);
	struct uart_port *uport = uart_port_check(state);

	/*
	 * At this point, we stop accepting input.  To do this, we
	 * disable the receive line status interrupts.
	 */
	if (WARN(!uport, "detached port still initialized!\n"))
		return;

	scoped_guard(uart_port_lock_irq, uport)
		uport->ops->stop_rx(uport);

	serial_base_port_shutdown(uport);
	uart_port_shutdown(port);

	/*
	 * It's possible for shutdown to be called after suspend if we get
	 * a DCD drop (hangup) at just the right time.  Clear suspended bit so
	 * we don't try to resume a port that has been shutdown.
	 */
	tty_port_set_suspended(port, false);

	uart_free_xmit_buf(port);

	uart_change_pm(state, UART_PM_STATE_OFF);
}

static void uart_wait_until_sent(struct tty_struct *tty, int timeout)
{
	struct uart_state *state = tty->driver_data;
	struct uart_port *port;
	unsigned long char_time, expire, fifo_timeout;

	port = uart_port_ref(state);
	if (!port)
		return;

	if (port->type == PORT_UNKNOWN || port->fifosize == 0) {
		uart_port_deref(port);
		return;
	}

	/*
	 * Set the check interval to be 1/5 of the estimated time to
	 * send a single character, and make it at least 1.  The check
	 * interval should also be less than the timeout.
	 *
	 * Note: we have to use pretty tight timings here to satisfy
	 * the NIST-PCTS.
	 */
	char_time = max(nsecs_to_jiffies(port->frame_time / 5), 1UL);

	if (timeout && timeout < char_time)
		char_time = timeout;

	if (!uart_cts_enabled(port)) {
		/*
		 * If the transmitter hasn't cleared in twice the approximate
		 * amount of time to send the entire FIFO, it probably won't
		 * ever clear.  This assumes the UART isn't doing flow
		 * control, which is currently the case.  Hence, if it ever
		 * takes longer than FIFO timeout, this is probably due to a
		 * UART bug of some kind.  So, we clamp the timeout parameter at
		 * 2 * FIFO timeout.
		 */
		fifo_timeout = uart_fifo_timeout(port);
		if (timeout == 0 || timeout > 2 * fifo_timeout)
			timeout = 2 * fifo_timeout;
	}

	expire = jiffies + timeout;

	pr_debug("uart_wait_until_sent(%u), jiffies=%lu, expire=%lu...\n",
		port->line, jiffies, expire);

	/*
	 * Check whether the transmitter is empty every 'char_time'.
	 * 'timeout' / 'expire' give us the maximum amount of time
	 * we wait.
	 */
	while (!port->ops->tx_empty(port)) {
		msleep_interruptible(jiffies_to_msecs(char_time));
		if (signal_pending(current))
			break;
		if (timeout && time_after(jiffies, expire))
			break;
	}
	uart_port_deref(port);
}

/*
 * Calls to uart_hangup() are serialised by the tty_lock in
 *   drivers/tty/tty_io.c:do_tty_hangup()
 * This runs from a workqueue and can sleep for a _short_ time only.
 */
static void uart_hangup(struct tty_struct *tty)
{
	struct uart_state *state = tty->driver_data;
	struct tty_port *port = &state->port;
	struct uart_port *uport;

	pr_debug("uart_hangup(%d)\n", tty->index);

	guard(mutex)(&port->mutex);
	uport = uart_port_check(state);
	WARN(!uport, "hangup of detached port!\n");

	if (tty_port_active(port)) {
		uart_flush_buffer(tty);
		uart_shutdown(tty, state);
		scoped_guard(spinlock_irqsave, &port->lock)
			port->count = 0;
		tty_port_set_active(port, false);
		tty_port_tty_set(port, NULL);
		if (uport && !uart_console(uport))
			uart_change_pm(state, UART_PM_STATE_OFF);
		wake_up_interruptible(&port->open_wait);
		wake_up_interruptible(&port->delta_msr_wait);
	}
}

/* uport == NULL if uart_port has already been removed */
static void uart_port_shutdown(struct tty_port *port)
{
	struct uart_state *state = container_of(port, struct uart_state, port);
	struct uart_port *uport = uart_port_check(state);

	/*
	 * clear delta_msr_wait queue to avoid mem leaks: we may free
	 * the irq here so the queue might never be woken up.  Note
	 * that we won't end up waiting on delta_msr_wait again since
	 * any outstanding file descriptors should be pointing at
	 * hung_up_tty_fops now.
	 */
	wake_up_interruptible(&port->delta_msr_wait);

	if (uport) {
		/* Free the IRQ and disable the port. */
		uport->ops->shutdown(uport);

		/* Ensure that the IRQ handler isn't running on another CPU. */
		synchronize_irq(uport->irq);
	}
}

static bool uart_carrier_raised(struct tty_port *port)
{
	struct uart_state *state = container_of(port, struct uart_state, port);
	struct uart_port *uport;
	unsigned long flags;
	int mctrl;

	uport = uart_port_ref_lock(state, &flags);
	/*
	 * Should never observe uport == NULL since checks for hangup should
	 * abort the tty_port_block_til_ready() loop before checking for carrier
	 * raised -- but report carrier raised if it does anyway so open will
	 * continue and not sleep
	 */
	if (WARN_ON(!uport))
		return true;
	uart_enable_ms(uport);
	mctrl = uport->ops->get_mctrl(uport);
	uart_port_unlock_deref(uport, flags);

	return mctrl & TIOCM_CAR;
}

static void uart_dtr_rts(struct tty_port *port, bool active)
{
	struct uart_state *state = container_of(port, struct uart_state, port);
	struct uart_port *uport;

	uport = uart_port_ref(state);
	if (!uport)
		return;
	uart_port_dtr_rts(uport, active);
	uart_port_deref(uport);
}

static int uart_install(struct tty_driver *driver, struct tty_struct *tty)
{
	struct uart_driver *drv = driver->driver_state;
	struct uart_state *state = drv->state + tty->index;

	tty->driver_data = state;

	return tty_standard_install(driver, tty);
}

/*
 * Calls to uart_open are serialised by the tty_lock in
 *   drivers/tty/tty_io.c:tty_open()
 * Note that if this fails, then uart_close() _will_ be called.
 *
 * In time, we want to scrap the "opening nonpresent ports"
 * behaviour and implement an alternative way for setserial
 * to set base addresses/ports/types.  This will allow us to
 * get rid of a certain amount of extra tests.
 */
static int uart_open(struct tty_struct *tty, struct file *filp)
{
	struct uart_state *state = tty->driver_data;
	int retval;

	retval = tty_port_open(&state->port, tty, filp);
	if (retval > 0)
		retval = 0;

	return retval;
}

static int uart_port_activate(struct tty_port *port, struct tty_struct *tty)
{
	struct uart_state *state = container_of(port, struct uart_state, port);
	struct uart_port *uport;
	int ret;

	uport = uart_port_check(state);
	if (!uport || uport->flags & UPF_DEAD)
		return -ENXIO;

	/*
	 * Start up the serial port.
	 */
	ret = uart_startup(tty, state, false);
	if (ret > 0)
		tty_port_set_active(port, true);

	return ret;
}

static const char *uart_type(struct uart_port *port)
{
	const char *str = NULL;

	if (port->ops->type)
		str = port->ops->type(port);

	if (!str)
		str = "unknown";

	return str;
}

#ifdef CONFIG_PROC_FS

static void uart_line_info(struct seq_file *m, struct uart_state *state)
{
	struct tty_port *port = &state->port;
	enum uart_pm_state pm_state;
	struct uart_port *uport;
	char stat_buf[32];
	unsigned int status;
	int mmio;

	guard(mutex)(&port->mutex);

	uport = uart_port_check(state);
	if (!uport)
		return;

	mmio = uport->iotype >= UPIO_MEM;
	seq_printf(m, "%u: uart:%s %s%08llX irq:%u",
			uport->line, uart_type(uport),
			mmio ? "mmio:0x" : "port:",
			mmio ? (unsigned long long)uport->mapbase
			     : (unsigned long long)uport->iobase,
			uport->irq);

	if (uport->type == PORT_UNKNOWN) {
		seq_putc(m, '\n');
		return;
	}

	if (capable(CAP_SYS_ADMIN)) {
		pm_state = state->pm_state;
		if (pm_state != UART_PM_STATE_ON)
			uart_change_pm(state, UART_PM_STATE_ON);
		scoped_guard(uart_port_lock_irq, uport)
			status = uport->ops->get_mctrl(uport);
		if (pm_state != UART_PM_STATE_ON)
			uart_change_pm(state, pm_state);

		seq_printf(m, " tx:%u rx:%u",
				uport->icount.tx, uport->icount.rx);
		if (uport->icount.frame)
			seq_printf(m, " fe:%u",	uport->icount.frame);
		if (uport->icount.parity)
			seq_printf(m, " pe:%u",	uport->icount.parity);
		if (uport->icount.brk)
			seq_printf(m, " brk:%u", uport->icount.brk);
		if (uport->icount.overrun)
			seq_printf(m, " oe:%u", uport->icount.overrun);
		if (uport->icount.buf_overrun)
			seq_printf(m, " bo:%u", uport->icount.buf_overrun);

#define INFOBIT(bit, str) \
	if (uport->mctrl & (bit)) \
		strncat(stat_buf, (str), sizeof(stat_buf) - \
			strlen(stat_buf) - 2)
#define STATBIT(bit, str) \
	if (status & (bit)) \
		strncat(stat_buf, (str), sizeof(stat_buf) - \
		       strlen(stat_buf) - 2)

		stat_buf[0] = '\0';
		stat_buf[1] = '\0';
		INFOBIT(TIOCM_RTS, "|RTS");
		STATBIT(TIOCM_CTS, "|CTS");
		INFOBIT(TIOCM_DTR, "|DTR");
		STATBIT(TIOCM_DSR, "|DSR");
		STATBIT(TIOCM_CAR, "|CD");
		STATBIT(TIOCM_RNG, "|RI");
		if (stat_buf[0])
			stat_buf[0] = ' ';

		seq_puts(m, stat_buf);
	}
	seq_putc(m, '\n');
#undef STATBIT
#undef INFOBIT
}

static int uart_proc_show(struct seq_file *m, void *v)
{
	struct tty_driver *ttydrv = m->private;
	struct uart_driver *drv = ttydrv->driver_state;
	int i;

	seq_printf(m, "serinfo:1.0 driver%s%s revision:%s\n", "", "", "");
	for (i = 0; i < drv->nr; i++)
		uart_line_info(m, drv->state + i);
	return 0;
}
#endif

static void uart_port_spin_lock_init(struct uart_port *port)
{
	spin_lock_init(&port->lock);
	lockdep_set_class(&port->lock, &port_lock_key);
}

#if defined(CONFIG_SERIAL_CORE_CONSOLE) || defined(CONFIG_CONSOLE_POLL)
/**
 * uart_console_write - write a console message to a serial port
 * @port: the port to write the message
 * @s: array of characters
 * @count: number of characters in string to write
 * @putchar: function to write character to port
 */
void uart_console_write(struct uart_port *port, const char *s,
			unsigned int count,
			void (*putchar)(struct uart_port *, unsigned char))
{
	unsigned int i;

	for (i = 0; i < count; i++, s++) {
		if (*s == '\n')
			putchar(port, '\r');
		putchar(port, *s);
	}
}
EXPORT_SYMBOL_GPL(uart_console_write);

/**
 * uart_parse_earlycon - Parse earlycon options
 * @p:	     ptr to 2nd field (ie., just beyond '<name>,')
 * @iotype:  ptr for decoded iotype (out)
 * @addr:    ptr for decoded mapbase/iobase (out)
 * @options: ptr for <options> field; %NULL if not present (out)
 *
 * Decodes earlycon kernel command line parameters of the form:
 *  * earlycon=<name>,io|mmio|mmio16|mmio32|mmio32be|mmio32native,<addr>,<options>
 *  * console=<name>,io|mmio|mmio16|mmio32|mmio32be|mmio32native,<addr>,<options>
 *
 * The optional form:
 *  * earlycon=<name>,0x<addr>,<options>
 *  * console=<name>,0x<addr>,<options>
 *
 * is also accepted; the returned @iotype will be %UPIO_MEM.
 *
 * Returns: 0 on success or -%EINVAL on failure
 */
int uart_parse_earlycon(char *p, enum uart_iotype *iotype,
			resource_size_t *addr, char **options)
{
	if (strncmp(p, "mmio,", 5) == 0) {
		*iotype = UPIO_MEM;
		p += 5;
	} else if (strncmp(p, "mmio16,", 7) == 0) {
		*iotype = UPIO_MEM16;
		p += 7;
	} else if (strncmp(p, "mmio32,", 7) == 0) {
		*iotype = UPIO_MEM32;
		p += 7;
	} else if (strncmp(p, "mmio32be,", 9) == 0) {
		*iotype = UPIO_MEM32BE;
		p += 9;
	} else if (strncmp(p, "mmio32native,", 13) == 0) {
		*iotype = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN) ?
			UPIO_MEM32BE : UPIO_MEM32;
		p += 13;
	} else if (strncmp(p, "io,", 3) == 0) {
		*iotype = UPIO_PORT;
		p += 3;
	} else if (strncmp(p, "0x", 2) == 0) {
		*iotype = UPIO_MEM;
	} else {
		return -EINVAL;
	}

	/*
	 * Before you replace it with kstrtoull(), think about options separator
	 * (',') it will not tolerate
	 */
	*addr = simple_strtoull(p, NULL, 0);
	p = strchr(p, ',');
	if (p)
		p++;

	*options = p;
	return 0;
}
EXPORT_SYMBOL_GPL(uart_parse_earlycon);

/**
 * uart_parse_options - Parse serial port baud/parity/bits/flow control.
 * @options: pointer to option string
 * @baud: pointer to an 'int' variable for the baud rate.
 * @parity: pointer to an 'int' variable for the parity.
 * @bits: pointer to an 'int' variable for the number of data bits.
 * @flow: pointer to an 'int' variable for the flow control character.
 *
 * uart_parse_options() decodes a string containing the serial console
 * options. The format of the string is <baud><parity><bits><flow>,
 * eg: 115200n8r
 */
void
uart_parse_options(const char *options, int *baud, int *parity,
		   int *bits, int *flow)
{
	const char *s = options;

	*baud = simple_strtoul(s, NULL, 10);
	while (*s >= '0' && *s <= '9')
		s++;
	if (*s)
		*parity = *s++;
	if (*s)
		*bits = *s++ - '0';
	if (*s)
		*flow = *s;
}
EXPORT_SYMBOL_GPL(uart_parse_options);

/**
 * uart_set_options - setup the serial console parameters
 * @port: pointer to the serial ports uart_port structure
 * @co: console pointer
 * @baud: baud rate
 * @parity: parity character - 'n' (none), 'o' (odd), 'e' (even)
 * @bits: number of data bits
 * @flow: flow control character - 'r' (rts)
 *
 * Locking: Caller must hold console_list_lock in order to serialize
 * early initialization of the serial-console lock.
 */
int
uart_set_options(struct uart_port *port, struct console *co,
		 int baud, int parity, int bits, int flow)
{
	struct ktermios termios;
	static struct ktermios dummy;

	/*
	 * Ensure that the serial-console lock is initialised early.
	 *
	 * Note that the console-registered check is needed because
	 * kgdboc can call uart_set_options() for an already registered
	 * console via tty_find_polling_driver() and uart_poll_init().
	 */
	if (!uart_console_registered_locked(port) && !port->console_reinit)
		uart_port_spin_lock_init(port);

	memset(&termios, 0, sizeof(struct ktermios));

	termios.c_cflag |= CREAD | HUPCL | CLOCAL;
	tty_termios_encode_baud_rate(&termios, baud, baud);

	if (bits == 7)
		termios.c_cflag |= CS7;
	else
		termios.c_cflag |= CS8;

	switch (parity) {
	case 'o': case 'O':
		termios.c_cflag |= PARODD;
		fallthrough;
	case 'e': case 'E':
		termios.c_cflag |= PARENB;
		break;
	}

	if (flow == 'r')
		termios.c_cflag |= CRTSCTS;

	/*
	 * some uarts on other side don't support no flow control.
	 * So we set * DTR in host uart to make them happy
	 */
	port->mctrl |= TIOCM_DTR;

	port->ops->set_termios(port, &termios, &dummy);
	/*
	 * Allow the setting of the UART parameters with a NULL console
	 * too:
	 */
	if (co) {
		co->cflag = termios.c_cflag;
		co->ispeed = termios.c_ispeed;
		co->ospeed = termios.c_ospeed;
	}

	return 0;
}
EXPORT_SYMBOL_GPL(uart_set_options);
#endif /* CONFIG_SERIAL_CORE_CONSOLE */

/**
 * uart_change_pm - set power state of the port
 *
 * @state: port descriptor
 * @pm_state: new state
 *
 * Locking: port->mutex has to be held
 */
static void uart_change_pm(struct uart_state *state,
			   enum uart_pm_state pm_state)
{
	struct uart_port *port = uart_port_check(state);

	if (state->pm_state != pm_state) {
		if (port && port->ops->pm)
			port->ops->pm(port, pm_state, state->pm_state);
		state->pm_state = pm_state;
	}
}

struct uart_match {
	struct uart_port *port;
	struct uart_driver *driver;
};

static int serial_match_port(struct device *dev, const void *data)
{
	const struct uart_match *match = data;
	struct tty_driver *tty_drv = match->driver->tty_driver;
	dev_t devt = MKDEV(tty_drv->major, tty_drv->minor_start) +
		match->port->line;

	return dev->devt == devt; /* Actually, only one tty per port */
}

int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
{
	struct uart_state *state = drv->state + uport->line;
	struct tty_port *port = &state->port;
	struct device *tty_dev;
	struct uart_match match = {uport, drv};

	guard(mutex)(&port->mutex);

	tty_dev = device_find_child(&uport->port_dev->dev, &match, serial_match_port);
	if (tty_dev && device_may_wakeup(tty_dev)) {
		enable_irq_wake(uport->irq);
		put_device(tty_dev);
		return 0;
	}
	put_device(tty_dev);

	/*
	 * Nothing to do if the console is not suspending
	 * except stop_rx to prevent any asynchronous data
	 * over RX line. However ensure that we will be
	 * able to Re-start_rx later.
	 */
	if (!console_suspend_enabled && uart_console(uport)) {
		if (uport->ops->start_rx) {
			guard(uart_port_lock_irq)(uport);
			uport->ops->stop_rx(uport);
		}
		device_set_awake_path(uport->dev);
		return 0;
	}

	uport->suspended = 1;

	if (tty_port_initialized(port)) {
		const struct uart_ops *ops = uport->ops;
		int tries;
		unsigned int mctrl;

		tty_port_set_suspended(port, true);
		tty_port_set_initialized(port, false);

		scoped_guard(uart_port_lock_irq, uport) {
			ops->stop_tx(uport);
			if (!(uport->rs485.flags & SER_RS485_ENABLED))
				ops->set_mctrl(uport, 0);
			/* save mctrl so it can be restored on resume */
			mctrl = uport->mctrl;
			uport->mctrl = 0;
			ops->stop_rx(uport);
		}

		/*
		 * Wait for the transmitter to empty.
		 */
		for (tries = 3; !ops->tx_empty(uport) && tries; tries--)
			msleep(10);
		if (!tries)
			dev_err(uport->dev, "%s: Unable to drain transmitter\n",
				uport->name);

		ops->shutdown(uport);
		uport->mctrl = mctrl;
	}

	/*
	 * Suspend the console device before suspending the port.
	 */
	if (uart_console(uport))
		console_suspend(uport->cons);

	uart_change_pm(state, UART_PM_STATE_OFF);

	return 0;
}
EXPORT_SYMBOL(uart_suspend_port);

int uart_resume_port(struct uart_driver *drv, struct uart_port *uport)
{
	struct uart_state *state = drv->state + uport->line;
	struct tty_port *port = &state->port;
	struct device *tty_dev;
	struct uart_match match = {uport, drv};
	struct ktermios termios;

	guard(mutex)(&port->mutex);

	tty_dev = device_find_child(&uport->port_dev->dev, &match, serial_match_port);
	if (!uport->suspended && device_may_wakeup(tty_dev)) {
		if (irqd_is_wakeup_set(irq_get_irq_data((uport->irq))))
			disable_irq_wake(uport->irq);
		put_device(tty_dev);
		return 0;
	}
	put_device(tty_dev);
	uport->suspended = 0;

	/*
	 * Re-enable the console device after suspending.
	 */
	if (uart_console(uport)) {
		/*
		 * First try to use the console cflag setting.
		 */
		memset(&termios, 0, sizeof(struct ktermios));
		termios.c_cflag = uport->cons->cflag;
		termios.c_ispeed = uport->cons->ispeed;
		termios.c_ospeed = uport->cons->ospeed;

		/*
		 * If that's unset, use the tty termios setting.
		 */
		if (port->tty && termios.c_cflag == 0)
			termios = port->tty->termios;

		if (console_suspend_enabled)
			uart_change_pm(state, UART_PM_STATE_ON);
		uport->ops->set_termios(uport, &termios, NULL);
		if (!console_suspend_enabled && uport->ops->start_rx) {
			guard(uart_port_lock_irq)(uport);
			uport->ops->start_rx(uport);
		}
		if (console_suspend_enabled)
			console_resume(uport->cons);
	}

	if (tty_port_suspended(port)) {
		const struct uart_ops *ops = uport->ops;
		int ret;

		uart_change_pm(state, UART_PM_STATE_ON);
		scoped_guard(uart_port_lock_irq, uport)
			if (!(uport->rs485.flags & SER_RS485_ENABLED))
				ops->set_mctrl(uport, 0);
		if (console_suspend_enabled || !uart_console(uport)) {
			/* Protected by port mutex for now */
			struct tty_struct *tty = port->tty;

			ret = ops->startup(uport);
			if (ret == 0) {
				if (tty)
					uart_change_line_settings(tty, state, NULL);
				uart_rs485_config(uport);
				scoped_guard(uart_port_lock_irq, uport) {
					if (!(uport->rs485.flags & SER_RS485_ENABLED))
						ops->set_mctrl(uport, uport->mctrl);
					ops->start_tx(uport);
				}
				tty_port_set_initialized(port, true);
			} else {
				/*
				 * Failed to resume - maybe hardware went away?
				 * Clear the "initialized" flag so we won't try
				 * to call the low level drivers shutdown method.
				 */
				uart_shutdown(tty, state);
			}
		}

		tty_port_set_suspended(port, false);
	}

	return 0;
}
EXPORT_SYMBOL(uart_resume_port);

static inline void
uart_report_port(struct uart_driver *drv, struct uart_port *port)
{
	char address[64];

	switch (port->iotype) {
	case UPIO_PORT:
		snprintf(address, sizeof(address), "I/O 0x%lx", port->iobase);
		break;
	case UPIO_HUB6:
		snprintf(address, sizeof(address),
			 "I/O 0x%lx offset 0x%x", port->iobase, port->hub6);
		break;
	case UPIO_MEM:
	case UPIO_MEM16:
	case UPIO_MEM32:
	case UPIO_MEM32BE:
	case UPIO_AU:
	case UPIO_TSI:
		snprintf(address, sizeof(address),
			 "MMIO 0x%llx", (unsigned long long)port->mapbase);
		break;
	default:
		strscpy(address, "*unknown*", sizeof(address));
		break;
	}

	pr_info("%s%s%s at %s (irq = %u, base_baud = %u) is a %s\n",
	       port->dev ? dev_name(port->dev) : "",
	       port->dev ? ": " : "",
	       port->name,
	       address, port->irq, port->uartclk / 16, uart_type(port));

	/* The magic multiplier feature is a bit obscure, so report it too.  */
	if (port->flags & UPF_MAGIC_MULTIPLIER)
		pr_info("%s%s%s extra baud rates supported: %u, %u",
			port->dev ? dev_name(port->dev) : "",
			port->dev ? ": " : "",
			port->name,
			port->uartclk / 8, port->uartclk / 4);
}

static void
uart_configure_port(struct uart_driver *drv, struct uart_state *state,
		    struct uart_port *port)
{
	unsigned int flags;

	/*
	 * If there isn't a port here, don't do anything further.
	 */
	if (!port->iobase && !port->mapbase && !port->membase)
		return;

	/*
	 * Now do the auto configuration stuff.  Note that config_port
	 * is expected to claim the resources and map the port for us.
	 */
	flags = 0;
	if (port->flags & UPF_AUTO_IRQ)
		flags |= UART_CONFIG_IRQ;
	if (port->flags & UPF_BOOT_AUTOCONF) {
		if (!(port->flags & UPF_FIXED_TYPE)) {
			port->type = PORT_UNKNOWN;
			flags |= UART_CONFIG_TYPE;
		}
		/* Synchronize with possible boot console. */
		if (uart_console(port))
			console_lock();
		port->ops->config_port(port, flags);
		if (uart_console(port))
			console_unlock();
	}

	if (port->type != PORT_UNKNOWN) {
		uart_report_port(drv, port);

		/* Synchronize with possible boot console. */
		if (uart_console(port))
			console_lock();

		/* Power up port for set_mctrl() */
		uart_change_pm(state, UART_PM_STATE_ON);

		/*
		 * Ensure that the modem control lines are de-activated.
		 * keep the DTR setting that is set in uart_set_options()
		 * We probably don't need a spinlock around this, but
		 */
		scoped_guard(uart_port_lock_irqsave, port) {
			port->mctrl &= TIOCM_DTR;
			if (!(port->rs485.flags & SER_RS485_ENABLED))
				port->ops->set_mctrl(port, port->mctrl);
		}

		uart_rs485_config(port);

		if (uart_console(port))
			console_unlock();

		/*
		 * If this driver supports console, and it hasn't been
		 * successfully registered yet, try to re-register it.
		 * It may be that the port was not available.
		 */
		if (port->cons && !console_is_registered(port->cons))
			register_console(port->cons);

		/*
		 * Power down all ports by default, except the
		 * console if we have one.
		 */
		if (!uart_console(port))
			uart_change_pm(state, UART_PM_STATE_OFF);
	}
}

#ifdef CONFIG_CONSOLE_POLL

static int uart_poll_init(struct tty_driver *driver, int line, char *options)
{
	struct uart_driver *drv = driver->driver_state;
	struct uart_state *state = drv->state + line;
	enum uart_pm_state pm_state;
	struct tty_port *tport;
	struct uart_port *port;
	int baud = 9600;
	int bits = 8;
	int parity = 'n';
	int flow = 'n';
	int ret = 0;

	tport = &state->port;

	guard(mutex)(&tport->mutex);

	port = uart_port_check(state);
	if (!port || port->type == PORT_UNKNOWN ||
	    !(port->ops->poll_get_char && port->ops->poll_put_char))
		return -1;

	pm_state = state->pm_state;
	uart_change_pm(state, UART_PM_STATE_ON);

	if (port->ops->poll_init) {
		/*
		 * We don't set initialized as we only initialized the hw,
		 * e.g. state->xmit is still uninitialized.
		 */
		if (!tty_port_initialized(tport))
			ret = port->ops->poll_init(port);
	}

	if (!ret && options) {
		uart_parse_options(options, &baud, &parity, &bits, &flow);
		console_list_lock();
		ret = uart_set_options(port, NULL, baud, parity, bits, flow);
		console_list_unlock();
	}

	if (ret)
		uart_change_pm(state, pm_state);

	return ret;
}

static int uart_poll_get_char(struct tty_driver *driver, int line)
{
	struct uart_driver *drv = driver->driver_state;
	struct uart_state *state = drv->state + line;
	struct uart_port *port;
	int ret = -1;

	port = uart_port_ref(state);
	if (port) {
		ret = port->ops->poll_get_char(port);
		uart_port_deref(port);
	}

	return ret;
}

static void uart_poll_put_char(struct tty_driver *driver, int line, char ch)
{
	struct uart_driver *drv = driver->driver_state;
	struct uart_state *state = drv->state + line;
	struct uart_port *port;

	port = uart_port_ref(state);
	if (!port)
		return;

	if (ch == '\n')
		port->ops->poll_put_char(port, '\r');
	port->ops->poll_put_char(port, ch);
	uart_port_deref(port);
}
#endif

static const struct tty_operations uart_ops = {
	.install	= uart_install,
	.open		= uart_open,
	.close		= uart_close,
	.write		= uart_write,
	.put_char	= uart_put_char,
	.flush_chars	= uart_flush_chars,
	.write_room	= uart_write_room,
	.chars_in_buffer= uart_chars_in_buffer,
	.flush_buffer	= uart_flush_buffer,
	.ioctl		= uart_ioctl,
	.throttle	= uart_throttle,
	.unthrottle	= uart_unthrottle,
	.send_xchar	= uart_send_xchar,
	.set_termios	= uart_set_termios,
	.set_ldisc	= uart_set_ldisc,
	.stop		= uart_stop,
	.start		= uart_start,
	.hangup		= uart_hangup,
	.break_ctl	= uart_break_ctl,
	.wait_until_sent= uart_wait_until_sent,
#ifdef CONFIG_PROC_FS
	.proc_show	= uart_proc_show,
#endif
	.tiocmget	= uart_tiocmget,
	.tiocmset	= uart_tiocmset,
	.set_serial	= uart_set_info_user,
	.get_serial	= uart_get_info_user,
	.get_icount	= uart_get_icount,
#ifdef CONFIG_CONSOLE_POLL
	.poll_init	= uart_poll_init,
	.poll_get_char	= uart_poll_get_char,
	.poll_put_char	= uart_poll_put_char,
#endif
};

static const struct tty_port_operations uart_port_ops = {
	.carrier_raised = uart_carrier_raised,
	.dtr_rts	= uart_dtr_rts,
	.activate	= uart_port_activate,
	.shutdown	= uart_tty_port_shutdown,
};

/**
 * uart_register_driver - register a driver with the uart core layer
 * @drv: low level driver structure
 *
 * Register a uart driver with the core driver. We in turn register with the
 * tty layer, and initialise the core driver per-port state.
 *
 * We have a proc file in /proc/tty/driver which is named after the normal
 * driver.
 *
 * @drv->port should be %NULL, and the per-port structures should be registered
 * using uart_add_one_port() after this call has succeeded.
 *
 * Locking: none, Interrupts: enabled
 */
int uart_register_driver(struct uart_driver *drv)
{
	struct tty_driver *normal;
	int i, retval = -ENOMEM;

	BUG_ON(drv->state);

	/*
	 * Maybe we should be using a slab cache for this, especially if
	 * we have a large number of ports to handle.
	 */
	drv->state = kzalloc_objs(struct uart_state, drv->nr);
	if (!drv->state)
		goto out;

	normal = tty_alloc_driver(drv->nr, TTY_DRIVER_REAL_RAW |
			TTY_DRIVER_DYNAMIC_DEV);
	if (IS_ERR(normal)) {
		retval = PTR_ERR(normal);
		goto out_kfree;
	}

	drv->tty_driver = normal;

	normal->driver_name	= drv->driver_name;
	normal->name		= drv->dev_name;
	normal->major		= drv->major;
	normal->minor_start	= drv->minor;
	normal->type		= TTY_DRIVER_TYPE_SERIAL;
	normal->subtype		= SERIAL_TYPE_NORMAL;
	normal->init_termios	= tty_std_termios;
	normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
	normal->init_termios.c_ispeed = normal->init_termios.c_ospeed = 9600;
	normal->driver_state    = drv;
	tty_set_operations(normal, &uart_ops);

	/*
	 * Initialise the UART state(s).
	 */
	for (i = 0; i < drv->nr; i++) {
		struct uart_state *state = drv->state + i;
		struct tty_port *port = &state->port;

		tty_port_init(port);
		port->ops = &uart_port_ops;
	}

	retval = tty_register_driver(normal);
	if (retval >= 0)
		return retval;

	for (i = 0; i < drv->nr; i++)
		tty_port_destroy(&drv->state[i].port);
	tty_driver_kref_put(normal);
out_kfree:
	kfree(drv->state);
out:
	return retval;
}
EXPORT_SYMBOL(uart_register_driver);

/**
 * uart_unregister_driver - remove a driver from the uart core layer
 * @drv: low level driver structure
 *
 * Remove all references to a driver from the core driver. The low level
 * driver must have removed all its ports via the uart_remove_one_port() if it
 * registered them with uart_add_one_port(). (I.e. @drv->port is %NULL.)
 *
 * Locking: none, Interrupts: enabled
 */
void uart_unregister_driver(struct uart_driver *drv)
{
	struct tty_driver *p = drv->tty_driver;
	unsigned int i;

	tty_unregister_driver(p);
	tty_driver_kref_put(p);
	for (i = 0; i < drv->nr; i++)
		tty_port_destroy(&drv->state[i].port);
	kfree(drv->state);
	drv->state = NULL;
	drv->tty_driver = NULL;
}
EXPORT_SYMBOL(uart_unregister_driver);

struct tty_driver *uart_console_device(struct console *co, int *index)
{
	struct uart_driver *p = co->data;
	*index = co->index;
	return p->tty_driver;
}
EXPORT_SYMBOL_GPL(uart_console_device);

static ssize_t uartclk_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "%d\n", tmp.baud_base * 16);
}

static ssize_t type_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "%d\n", tmp.type);
}

static ssize_t line_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "%d\n", tmp.line);
}

static ssize_t port_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);
	unsigned long ioaddr;

	uart_get_info(port, &tmp);
	ioaddr = tmp.port;
	if (HIGH_BITS_OFFSET)
		ioaddr |= (unsigned long)tmp.port_high << HIGH_BITS_OFFSET;
	return sprintf(buf, "0x%lX\n", ioaddr);
}

static ssize_t irq_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "%d\n", tmp.irq);
}

static ssize_t flags_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "0x%X\n", tmp.flags);
}

static ssize_t xmit_fifo_size_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "%d\n", tmp.xmit_fifo_size);
}

static ssize_t close_delay_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "%u\n", tmp.close_delay);
}

static ssize_t closing_wait_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "%u\n", tmp.closing_wait);
}

static ssize_t custom_divisor_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "%d\n", tmp.custom_divisor);
}

static ssize_t io_type_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "%u\n", tmp.io_type);
}

static ssize_t iomem_base_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "0x%lX\n", (unsigned long)tmp.iomem_base);
}

static ssize_t iomem_reg_shift_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct serial_struct tmp;
	struct tty_port *port = dev_get_drvdata(dev);

	uart_get_info(port, &tmp);
	return sprintf(buf, "%u\n", tmp.iomem_reg_shift);
}

static ssize_t console_show(struct device *dev,
	struct device_attribute *attr, char *buf)
{
	struct tty_port *port = dev_get_drvdata(dev);
	struct uart_state *state = container_of(port, struct uart_state, port);
	struct uart_port *uport;
	bool console = false;

	scoped_guard(mutex, &port->mutex) {
		uport = uart_port_check(state);
		if (uport)
			console = uart_console_registered(uport);
	}

	return sprintf(buf, "%c\n", console ? 'Y' : 'N');
}

static ssize_t console_store(struct device *dev,
	struct device_attribute *attr, const char *buf, size_t count)
{
	struct tty_port *port = dev_get_drvdata(dev);
	struct uart_state *state = container_of(port, struct uart_state, port);
	struct uart_port *uport;
	bool oldconsole, newconsole;
	int ret;

	ret = kstrtobool(buf, &newconsole);
	if (ret)
		return ret;

	guard(mutex)(&port->mutex);
	uport = uart_port_check(state);
	if (!uport)
		return -ENXIO;

	oldconsole = uart_console_registered(uport);
	if (oldconsole && !newconsole) {
		ret = unregister_console(uport->cons);
		if (ret < 0)
			return ret;
	} else if (!oldconsole && newconsole) {
		if (!uart_console(uport))
			return -ENOENT;

		uport->console_reinit = 1;
		register_console(uport->cons);
	}

	return count;
}

static DEVICE_ATTR_RO(uartclk);
static DEVICE_ATTR_RO(type);
static DEVICE_ATTR_RO(line);
static DEVICE_ATTR_RO(port);
static DEVICE_ATTR_RO(irq);
static DEVICE_ATTR_RO(flags);
static DEVICE_ATTR_RO(xmit_fifo_size);
static DEVICE_ATTR_RO(close_delay);
static DEVICE_ATTR_RO(closing_wait);
static DEVICE_ATTR_RO(custom_divisor);
static DEVICE_ATTR_RO(io_type);
static DEVICE_ATTR_RO(iomem_base);
static DEVICE_ATTR_RO(iomem_reg_shift);
static DEVICE_ATTR_RW(console);

static struct attribute *tty_dev_attrs[] = {
	&dev_attr_uartclk.attr,
	&dev_attr_type.attr,
	&dev_attr_line.attr,
	&dev_attr_port.attr,
	&dev_attr_irq.attr,
	&dev_attr_flags.attr,
	&dev_attr_xmit_fifo_size.attr,
	&dev_attr_close_delay.attr,
	&dev_attr_closing_wait.attr,
	&dev_attr_custom_divisor.attr,
	&dev_attr_io_type.attr,
	&dev_attr_iomem_base.attr,
	&dev_attr_iomem_reg_shift.attr,
	&dev_attr_console.attr,
	NULL
};

static const struct attribute_group tty_dev_attr_group = {
	.attrs = tty_dev_attrs,
};

/**
 * serial_core_add_one_port - attach a driver-defined port structure
 * @drv: pointer to the uart low level driver structure for this port
 * @uport: uart port structure to use for this port.
 *
 * Context: task context, might sleep
 *
 * This allows the driver @drv to register its own uart_port structure with the
 * core driver. The main purpose is to allow the low level uart drivers to
 * expand uart_port, rather than having yet more levels of structures.
 * Caller must hold port_mutex.
 */
static int serial_core_add_one_port(struct uart_driver *drv, struct uart_port *uport)
{
	struct uart_state *state;
	struct tty_port *port;
	struct device *tty_dev;
	int num_groups;

	if (uport->line >= drv->nr)
		return -EINVAL;

	state = drv->state + uport->line;
	port = &state->port;

	guard(mutex)(&port->mutex);
	if (state->uart_port)
		return -EINVAL;

	/* Link the port to the driver state table and vice versa */
	atomic_set(&state->refcount, 1);
	init_waitqueue_head(&state->remove_wait);
	state->uart_port = uport;
	uport->state = state;

	/*
	 * If this port is in use as a console then the spinlock is already
	 * initialised.
	 */
	if (!uart_console_registered(uport))
		uart_port_spin_lock_init(uport);

	state->pm_state = UART_PM_STATE_UNDEFINED;
	uart_port_set_cons(uport, drv->cons);
	uport->minor = drv->tty_driver->minor_start + uport->line;
	uport->name = kasprintf(GFP_KERNEL, "%s%u", drv->dev_name,
				drv->tty_driver->name_base + uport->line);
	if (!uport->name)
		return -ENOMEM;

	if (uport->cons && uport->dev)
		of_console_check(uport->dev->of_node, uport->cons->name, uport->line);

	/*
	 * TTY port has to be linked with the driver before register_console()
	 * in uart_configure_port(), because user-space could open the console
	 * immediately after.
	 */
	tty_port_link_device(port, drv->tty_driver, uport->line);
	uart_configure_port(drv, state, uport);

	port->console = uart_console(uport);

	num_groups = 2;
	if (uport->attr_group)
		num_groups++;

	uport->tty_groups = kzalloc_objs(*uport->tty_groups, num_groups);
	if (!uport->tty_groups)
		return -ENOMEM;

	uport->tty_groups[0] = &tty_dev_attr_group;
	if (uport->attr_group)
		uport->tty_groups[1] = uport->attr_group;

	/* Ensure serdev drivers can call serdev_device_open() right away */
	uport->flags &= ~UPF_DEAD;

	/*
	 * Register the port whether it's detected or not.  This allows
	 * setserial to be used to alter this port's parameters.
	 */
	tty_dev = tty_port_register_device_attr_serdev(port, drv->tty_driver,
			uport->line, uport->dev, &uport->port_dev->dev, port,
			uport->tty_groups);
	if (!IS_ERR(tty_dev)) {
		device_set_wakeup_capable(tty_dev, 1);
	} else {
		uport->flags |= UPF_DEAD;
		dev_err(uport->dev, "Cannot register tty device on line %u\n",
		       uport->line);
	}

	return 0;
}

/**
 * serial_core_remove_one_port - detach a driver defined port structure
 * @drv: pointer to the uart low level driver structure for this port
 * @uport: uart port structure for this port
 *
 * Context: task context, might sleep
 *
 * This unhooks (and hangs up) the specified port structure from the core
 * driver. No further calls will be made to the low-level code for this port.
 * Caller must hold port_mutex.
 */
static void serial_core_remove_one_port(struct uart_driver *drv,
					struct uart_port *uport)
{
	struct uart_state *state = drv->state + uport->line;
	struct tty_port *port = &state->port;
	struct uart_port *uart_port;

	scoped_guard(mutex, &port->mutex) {
		uart_port = uart_port_check(state);
		if (uart_port != uport)
			dev_alert(uport->dev, "Removing wrong port: %p != %p\n", uart_port, uport);

		if (!uart_port)
			return;
	}

	/*
	 * Remove the devices from the tty layer
	 */
	tty_port_unregister_device(port, drv->tty_driver, uport->line);

	tty_port_tty_vhangup(port);

	/*
	 * If the port is used as a console, unregister it
	 */
	if (uart_console(uport))
		unregister_console(uport->cons);

	/*
	 * Free the port IO and memory resources, if any.
	 */
	if (uport->type != PORT_UNKNOWN && uport->ops->release_port)
		uport->ops->release_port(uport);
	kfree(uport->tty_groups);
	kfree(uport->name);

	/*
	 * Indicate that there isn't a port here anymore.
	 */
	uport->type = PORT_UNKNOWN;
	uport->port_dev = NULL;

	guard(mutex)(&port->mutex);
	WARN_ON(atomic_dec_return(&state->refcount) < 0);
	wait_event(state->remove_wait, !atomic_read(&state->refcount));
	state->uart_port = NULL;
}

/**
 * uart_match_port - are the two ports equivalent?
 * @port1: first port
 * @port2: second port
 *
 * This utility function can be used to determine whether two uart_port
 * structures describe the same port.
 */
bool uart_match_port(const struct uart_port *port1,
		const struct uart_port *port2)
{
	if (port1->iotype != port2->iotype)
		return false;

	switch (port1->iotype) {
	case UPIO_PORT:
		return port1->iobase == port2->iobase;
	case UPIO_HUB6:
		return port1->iobase == port2->iobase &&
		       port1->hub6   == port2->hub6;
	case UPIO_MEM:
	case UPIO_MEM16:
	case UPIO_MEM32:
	case UPIO_MEM32BE:
	case UPIO_AU:
	case UPIO_TSI:
		return port1->mapbase == port2->mapbase;
	default:
		return false;
	}
}
EXPORT_SYMBOL(uart_match_port);

static struct serial_ctrl_device *
serial_core_get_ctrl_dev(struct serial_port_device *port_dev)
{
	struct device *dev = &port_dev->dev;

	return to_serial_base_ctrl_device(dev->parent);
}

/*
 * Find a registered serial core controller device if one exists. Returns
 * the first device matching the ctrl_id. Caller must hold port_mutex.
 */
static struct serial_ctrl_device *serial_core_ctrl_find(struct uart_driver *drv,
							struct device *phys_dev,
							int ctrl_id)
{
	struct uart_state *state;
	int i;

	lockdep_assert_held(&port_mutex);

	for (i = 0; i < drv->nr; i++) {
		state = drv->state + i;
		if (!state->uart_port || !state->uart_port->port_dev)
			continue;

		if (state->uart_port->dev == phys_dev &&
		    state->uart_port->ctrl_id == ctrl_id)
			return serial_core_get_ctrl_dev(state->uart_port->port_dev);
	}

	return NULL;
}

static struct serial_ctrl_device *serial_core_ctrl_device_add(struct uart_port *port)
{
	return serial_base_ctrl_add(port, port->dev);
}

static int serial_core_port_device_add(struct serial_ctrl_device *ctrl_dev,
				       struct uart_port *port)
{
	struct serial_port_device *port_dev;

	port_dev = serial_base_port_add(port, ctrl_dev);
	if (IS_ERR(port_dev))
		return PTR_ERR(port_dev);

	port->port_dev = port_dev;

	return 0;
}

/*
 * Initialize a serial core port device, and a controller device if needed.
 */
int serial_core_register_port(struct uart_driver *drv, struct uart_port *port)
{
	struct serial_ctrl_device *ctrl_dev, *new_ctrl_dev = NULL;
	int ret;

	guard(mutex)(&port_mutex);

	/*
	 * Prevent serial_port_runtime_resume() from trying to use the port
	 * until serial_core_add_one_port() has completed
	 */
	port->flags |= UPF_DEAD;

	/* Inititalize a serial core controller device if needed */
	ctrl_dev = serial_core_ctrl_find(drv, port->dev, port->ctrl_id);
	if (!ctrl_dev) {
		new_ctrl_dev = serial_core_ctrl_device_add(port);
		if (IS_ERR(new_ctrl_dev))
			return PTR_ERR(new_ctrl_dev);
		ctrl_dev = new_ctrl_dev;
	}

	/*
	 * Initialize a serial core port device. Tag the port dead to prevent
	 * serial_port_runtime_resume() trying to do anything until port has
	 * been registered. It gets cleared by serial_core_add_one_port().
	 */
	ret = serial_core_port_device_add(ctrl_dev, port);
	if (ret)
		goto err_unregister_ctrl_dev;

	ret = serial_base_match_and_update_preferred_console(drv, port);
	if (ret)
		goto err_unregister_port_dev;

	ret = serial_core_add_one_port(drv, port);
	if (ret)
		goto err_unregister_port_dev;

	return 0;

err_unregister_port_dev:
	serial_base_port_device_remove(port->port_dev);

err_unregister_ctrl_dev:
	serial_base_ctrl_device_remove(new_ctrl_dev);

	return ret;
}

/*
 * Removes a serial core port device, and the related serial core controller
 * device if the last instance.
 */
void serial_core_unregister_port(struct uart_driver *drv, struct uart_port *port)
{
	struct device *phys_dev = port->dev;
	struct serial_port_device *port_dev = port->port_dev;
	struct serial_ctrl_device *ctrl_dev = serial_core_get_ctrl_dev(port_dev);
	int ctrl_id = port->ctrl_id;

	guard(mutex)(&port_mutex);

	port->flags |= UPF_DEAD;

	serial_core_remove_one_port(drv, port);

	/* Note that struct uart_port *port is no longer valid at this point */
	serial_base_port_device_remove(port_dev);

	/* Drop the serial core controller device if no ports are using it */
	if (!serial_core_ctrl_find(drv, phys_dev, ctrl_id))
		serial_base_ctrl_device_remove(ctrl_dev);
}

/**
 * uart_handle_dcd_change - handle a change of carrier detect state
 * @uport: uart_port structure for the open port
 * @active: new carrier detect status
 *
 * Caller must hold uport->lock.
 */
void uart_handle_dcd_change(struct uart_port *uport, bool active)
{
	struct tty_port *port = &uport->state->port;
	struct tty_struct *tty = port->tty;
	struct tty_ldisc *ld;

	lockdep_assert_held_once(&uport->lock);

	if (tty) {
		ld = tty_ldisc_ref(tty);
		if (ld) {
			if (ld->ops->dcd_change)
				ld->ops->dcd_change(tty, active);
			tty_ldisc_deref(ld);
		}
	}

	uport->icount.dcd++;

	if (uart_dcd_enabled(uport)) {
		if (active)
			wake_up_interruptible(&port->open_wait);
		else if (tty)
			tty_hangup(tty);
	}
}
EXPORT_SYMBOL_GPL(uart_handle_dcd_change);

/**
 * uart_handle_cts_change - handle a change of clear-to-send state
 * @uport: uart_port structure for the open port
 * @active: new clear-to-send status
 *
 * Caller must hold uport->lock.
 */
void uart_handle_cts_change(struct uart_port *uport, bool active)
{
	lockdep_assert_held_once(&uport->lock);

	uport->icount.cts++;

	if (uart_softcts_mode(uport)) {
		if (uport->hw_stopped) {
			if (active) {
				uport->hw_stopped = false;
				uport->ops->start_tx(uport);
				uart_write_wakeup(uport);
			}
		} else {
			if (!active) {
				uport->hw_stopped = true;
				uport->ops->stop_tx(uport);
			}
		}

	}
}
EXPORT_SYMBOL_GPL(uart_handle_cts_change);

/**
 * uart_insert_char - push a char to the uart layer
 *
 * User is responsible to call tty_flip_buffer_push when they are done with
 * insertion.
 *
 * @port: corresponding port
 * @status: state of the serial port RX buffer (LSR for 8250)
 * @overrun: mask of overrun bits in @status
 * @ch: character to push
 * @flag: flag for the character (see TTY_NORMAL and friends)
 */
void uart_insert_char(struct uart_port *port, unsigned int status,
		      unsigned int overrun, u8 ch, u8 flag)
{
	struct tty_port *tport = &port->state->port;

	if ((status & port->ignore_status_mask & ~overrun) == 0)
		if (tty_insert_flip_char(tport, ch, flag) == 0)
			++port->icount.buf_overrun;

	/*
	 * Overrun is special.  Since it's reported immediately,
	 * it doesn't affect the current character.
	 */
	if (status & ~port->ignore_status_mask & overrun)
		if (tty_insert_flip_char(tport, 0, TTY_OVERRUN) == 0)
			++port->icount.buf_overrun;
}
EXPORT_SYMBOL_GPL(uart_insert_char);

#ifdef CONFIG_MAGIC_SYSRQ_SERIAL
static const u8 sysrq_toggle_seq[] = CONFIG_MAGIC_SYSRQ_SERIAL_SEQUENCE;

static void uart_sysrq_on(struct work_struct *w)
{
	int sysrq_toggle_seq_len = strlen(sysrq_toggle_seq);

	sysrq_toggle_support(1);
	pr_info("SysRq is enabled by magic sequence '%*pE' on serial\n",
		sysrq_toggle_seq_len, sysrq_toggle_seq);
}
static DECLARE_WORK(sysrq_enable_work, uart_sysrq_on);

/**
 * uart_try_toggle_sysrq - Enables SysRq from serial line
 * @port: uart_port structure where char(s) after BREAK met
 * @ch: new character in the sequence after received BREAK
 *
 * Enables magic SysRq when the required sequence is met on port
 * (see CONFIG_MAGIC_SYSRQ_SERIAL_SEQUENCE).
 *
 * Returns: %false if @ch is out of enabling sequence and should be
 * handled some other way, %true if @ch was consumed.
 */
bool uart_try_toggle_sysrq(struct uart_port *port, u8 ch)
{
	int sysrq_toggle_seq_len = strlen(sysrq_toggle_seq);

	if (!sysrq_toggle_seq_len)
		return false;

	BUILD_BUG_ON(ARRAY_SIZE(sysrq_toggle_seq) >= U8_MAX);
	if (sysrq_toggle_seq[port->sysrq_seq] != ch) {
		port->sysrq_seq = 0;
		return false;
	}

	if (++port->sysrq_seq < sysrq_toggle_seq_len) {
		port->sysrq = jiffies + SYSRQ_TIMEOUT;
		return true;
	}

	schedule_work(&sysrq_enable_work);

	port->sysrq = 0;
	return true;
}
EXPORT_SYMBOL_GPL(uart_try_toggle_sysrq);
#endif

/**
 * uart_get_rs485_mode() - retrieve rs485 properties for given uart
 * @port: uart device's target port
 *
 * This function implements the device tree binding described in
 * Documentation/devicetree/bindings/serial/rs485.txt.
 */
int uart_get_rs485_mode(struct uart_port *port)
{
	struct serial_rs485 *rs485conf = &port->rs485;
	struct device *dev = port->dev;
	enum gpiod_flags dflags;
	struct gpio_desc *desc;
	u32 rs485_delay[2];
	int ret;

	if (!(port->rs485_supported.flags & SER_RS485_ENABLED))
		return 0;

	/*
	 * Retrieve properties only if a firmware node exists. If no firmware
	 * node exists, then don't touch rs485 config and keep initial rs485
	 * properties set by driver.
	 */
	if (!dev_fwnode(dev))
		return 0;

	ret = device_property_read_u32_array(dev, "rs485-rts-delay",
					     rs485_delay, 2);
	if (!ret) {
		rs485conf->delay_rts_before_send = rs485_delay[0];
		rs485conf->delay_rts_after_send = rs485_delay[1];
	} else {
		rs485conf->delay_rts_before_send = 0;
		rs485conf->delay_rts_after_send = 0;
	}

	uart_sanitize_serial_rs485_delays(port, rs485conf);

	/*
	 * Clear full-duplex and enabled flags, set RTS polarity to active high
	 * to get to a defined state with the following properties:
	 */
	rs485conf->flags &= ~(SER_RS485_RX_DURING_TX | SER_RS485_ENABLED |
			      SER_RS485_TERMINATE_BUS |
			      SER_RS485_RTS_AFTER_SEND);
	rs485conf->flags |= SER_RS485_RTS_ON_SEND;

	if (device_property_read_bool(dev, "rs485-rx-during-tx"))
		rs485conf->flags |= SER_RS485_RX_DURING_TX;

	if (device_property_read_bool(dev, "linux,rs485-enabled-at-boot-time"))
		rs485conf->flags |= SER_RS485_ENABLED;

	if (device_property_read_bool(dev, "rs485-rts-active-low")) {
		rs485conf->flags &= ~SER_RS485_RTS_ON_SEND;
		rs485conf->flags |= SER_RS485_RTS_AFTER_SEND;
	}

	/*
	 * Disabling termination by default is the safe choice:  Else if many
	 * bus participants enable it, no communication is possible at all.
	 * Works fine for short cables and users may enable for longer cables.
	 */
	desc = devm_gpiod_get_optional(dev, "rs485-term", GPIOD_OUT_LOW);
	if (IS_ERR(desc))
		return dev_err_probe(dev, PTR_ERR(desc), "Cannot get rs485-term-gpios\n");
	port->rs485_term_gpio = desc;
	if (port->rs485_term_gpio)
		port->rs485_supported.flags |= SER_RS485_TERMINATE_BUS;

	dflags = (rs485conf->flags & SER_RS485_RX_DURING_TX) ?
		 GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
	desc = devm_gpiod_get_optional(dev, "rs485-rx-during-tx", dflags);
	if (IS_ERR(desc))
		return dev_err_probe(dev, PTR_ERR(desc), "Cannot get rs485-rx-during-tx-gpios\n");
	port->rs485_rx_during_tx_gpio = desc;
	if (port->rs485_rx_during_tx_gpio)
		port->rs485_supported.flags |= SER_RS485_RX_DURING_TX;

	return 0;
}
EXPORT_SYMBOL_GPL(uart_get_rs485_mode);

/* Compile-time assertions for serial_rs485 layout */
static_assert(offsetof(struct serial_rs485, padding) ==
              (offsetof(struct serial_rs485, delay_rts_after_send) + sizeof(__u32)));
static_assert(offsetof(struct serial_rs485, padding1) ==
	      offsetof(struct serial_rs485, padding[1]));
static_assert((offsetof(struct serial_rs485, padding[4]) + sizeof(__u32)) ==
	      sizeof(struct serial_rs485));

MODULE_DESCRIPTION("Serial driver core");
MODULE_LICENSE("GPL");
]

10/2 2026/05/16 01:54 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 58527
							output: 22
							thoughts: 1418
						

Thoughts:
**Analyzing a Potential UART Lock Ordering Deadlock**

Okay, so I'm looking at `uart_carrier_raised` and how it interacts with locking.  It seems `uart_carrier_raised` takes `port_lock_key`, which is good. The key thing here is the path from `uart_carrier_raised` down through `get_mctrl` which, in the 8250 case, leads to `sp_get` which ultimately acquires `disc_data_lock`. So, my mental map is:  `&port_lock_key` -> `disc_data_lock`.

However, `disc_data_lock` is acquired as a *read* lock in `sp_get`, and as a *write* lock in something like `ppp_sync_close`. The critical part here is that `write_lock_irq` disables interrupts, which is important to remember. But importantly, `read_lock` does *not* disable interrupts.

This is where my alarm bells are starting to ring. The lock order is important, but even more important is where and how the locks are obtained.  I'm worried about an interrupt scenario.  If an interrupt handler (potentially in `serial8250_interrupt`, which gets called by an interrupt) tries to acquire `&port_lock_key` *while* some other code holds `disc_data_lock` and an interrupt occurs, we could be in trouble.  `uart_carrier_raised` acquires its lock in an *interrupt-disabled* section using `uart_port_lock_irqsave`, so it's acquiring the lock first. Then it calls `sp_get`, which takes the `disc_data_lock` *without* disabling interrupts.  That's a potentially bad ordering.

My suspicion is confirmed by the lockdep warning:

```
 Possible interrupt unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(disc_data_lock);
                               local_irq_disable();
                               lock(&port_lock_key);
                               lock(disc_data_lock);
  <Interrupt>
    lock(&port_lock_key);

 *** DEADLOCK ***
```

Aha, that perfectly describes my concern:

*   CPU0 holds A (`disc_data_lock`).  This could be a read lock (which `sp_get` uses), or it might be a write lock. The interrupt handler (CPU0) needs the other lock.
*   CPU1 holds B (`&port_lock_key`).  This is the `uart_carrier_raised` path.
*   The interrupt handler on CPU0 tries to acquire B.

So, in the scenario, CPU0 holds a read lock on the `disc_data_lock`. And it can happen.
The interrupt handler tries to acquire `&port_lock_key`, which is held by CPU1. That's a deadlock scenario.

But wait, even though the `read_lock` *looks* like it should be safe, `disc_data_lock` is a rwlock, and lockdep doesn't distinguish between read and write in this scenario. If a writer is waiting, new readers are blocked to prevent writer starvation. This is going to matter if there's an active writer. If there is, CPU1's `read_lock` will block. The interrupt handler tries to acquire the `&port_lock_key` and... deadlock!

Okay, so the warning is legitimate.  This *can* happen.

Here's how I see it unfolding:
1.  CPU0: A syscall uses `sp_get()` and acquires `disc_data_lock` (read lock), with interrupts enabled.
2.  CPU2: `ppp_sync_close()` (or similar) runs and calls `write_lock_irq(&disc_data_lock)`. It blocks waiting for CPU0's read lock.
3.  CPU1: `uart_carrier_raised()` is called, it acquires `&port_lock_key` (interrupts disabled) then calls `sp_get` acquiring the read lock on `disc_data_lock`. CPU1 blocks on CPU2, which is trying to acquire the write lock.
4.  CPU0: An interrupt occurs.  The interrupt handler calls `serial8250_interrupt` and tries to acquire `&port_lock_key`, which is held by CPU1. Boom, deadlock.

Is this exploitable? Yes, this is a clear denial-of-service condition (a hang or stall). Can unprivileged users trigger this?  It boils down to whether an unprivileged user can set up a PPP sync tty and trigger the necessary sequence. If they can set


11/2 2026/05/16 01:54 tool codesearch-find-references
0m Error:
requested entity does not exist

Args:
map[Name:TIOCSETD]

Results:
map[References:<nil> TruncatedOutput:false]

12/2 2026/05/16 01:54 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 61013
							output: 18
							thoughts: 31
						

Thoughts:
Okay, here's my interpretation of that thought process, as if it were my own:

**Investigating a TTY Driver Configuration**

Right, so I need to track down where `TIOCSETD` is handled. It's a common term in TTY driver control, so I'm pretty sure it's buried somewhere in the kernel's TTY implementation. I'll start with the obvious places, the `drivers/tty` directory. Given that it's an ioctl command, it's highly likely I will find it in `tty_io.c` or `tty_ioctl.c`. I have a feeling it'll be in one of those two files, but I'll make sure to double-check in `tty.c` and potentially other relevant files within that directory as well.



13/2 2026/05/16 01:54 tool grepper
0m Args:
map[Expression:TIOCSETD]

Results:
map[Output:Documentation/driver-api/tty/n_gsm.rst=18=Config Initiator
--
Documentation/driver-api/tty/n_gsm.rst-25-#. Switch the serial line to using the n_gsm line discipline by using
Documentation/driver-api/tty/n_gsm.rst:26:   ``TIOCSETD`` ioctl.
Documentation/driver-api/tty/n_gsm.rst-27-
--
Documentation/driver-api/tty/n_gsm.rst-68-      /* use n_gsm line discipline */
Documentation/driver-api/tty/n_gsm.rst:69:      ioctl(fd, TIOCSETD, &ldisc);
Documentation/driver-api/tty/n_gsm.rst-70-
--
Documentation/driver-api/tty/n_gsm.rst=119=Config Requester
--
Documentation/driver-api/tty/n_gsm.rst-125-#. Switch the serial line to using the *n_gsm* line discipline by using
Documentation/driver-api/tty/n_gsm.rst:126:   ``TIOCSETD`` ioctl.
Documentation/driver-api/tty/n_gsm.rst-127-
--
Documentation/driver-api/tty/n_gsm.rst-158-	/* use n_gsm line discipline */
Documentation/driver-api/tty/n_gsm.rst:159:	ioctl(fd, TIOCSETD, &ldisc);
Documentation/driver-api/tty/n_gsm.rst-160-
--
arch/alpha/include/uapi/asm/ioctls.h-92-#define TIOCNOTTY	0x5422
arch/alpha/include/uapi/asm/ioctls.h:93:#define TIOCSETD	0x5423
arch/alpha/include/uapi/asm/ioctls.h-94-#define TIOCGETD	0x5424
--
arch/mips/include/uapi/asm/ioctls.h-48-#define TIOCNOTTY	0x5471		/* void tty association */
arch/mips/include/uapi/asm/ioctls.h:49:#define TIOCSETD	0x7401
arch/mips/include/uapi/asm/ioctls.h-50-#define TIOCGETD	0x7400
--
arch/mips/include/uapi/asm/ioctls.h-74-/* #define TIOCGETD	_IOR('t', 26, int)	get line discipline */
arch/mips/include/uapi/asm/ioctls.h:75:/* #define TIOCSETD	_IOW('t', 27, int)	set line discipline */
arch/mips/include/uapi/asm/ioctls.h-76-						/* 127-124 compat */
--
arch/parisc/include/uapi/asm/ioctls.h-43-#define TIOCNOTTY	0x5422
arch/parisc/include/uapi/asm/ioctls.h:44:#define TIOCSETD	0x5423
arch/parisc/include/uapi/asm/ioctls.h-45-#define TIOCGETD	0x5424
--
arch/powerpc/include/uapi/asm/ioctls.h-87-#define TIOCNOTTY	0x5422
arch/powerpc/include/uapi/asm/ioctls.h:88:#define TIOCSETD	0x5423
arch/powerpc/include/uapi/asm/ioctls.h-89-#define TIOCGETD	0x5424
--
arch/sh/include/uapi/asm/ioctls.h-76-#define TIOCNOTTY	_IO('T', 34) /* 0x5422 */
arch/sh/include/uapi/asm/ioctls.h:77:#define TIOCSETD	_IOW('T', 35, int) /* 0x5423 */
arch/sh/include/uapi/asm/ioctls.h-78-#define TIOCGETD	_IOR('T', 36, int) /* 0x5424 */
--
arch/sparc/include/uapi/asm/ioctls.h-38-#define TIOCGETD	_IOR('t', 0, int)
arch/sparc/include/uapi/asm/ioctls.h:39:#define TIOCSETD	_IOW('t', 1, int)
arch/sparc/include/uapi/asm/ioctls.h-40-#define __TIOCHPCL        _IO('t', 2) /* SunOS Specific */
--
arch/xtensa/include/uapi/asm/ioctls.h-88-#define TIOCNOTTY	_IO('T', 34)
arch/xtensa/include/uapi/asm/ioctls.h:89:#define TIOCSETD	_IOW('T', 35, int)
arch/xtensa/include/uapi/asm/ioctls.h-90-#define TIOCGETD	_IOR('T', 36, int)
--
drivers/tty/Kconfig=169=config LDISC_AUTOLOAD
--
drivers/tty/Kconfig-174-	  line discipline that is in a kernel module when a user asks
drivers/tty/Kconfig:175:	  for it to be loaded with the TIOCSETD ioctl, or through other
drivers/tty/Kconfig-176-	  means.  This is not always the best thing to do on systems
--
drivers/tty/tty_io.c=2668=long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
--
drivers/tty/tty_io.c-2684-	switch (cmd) {
drivers/tty/tty_io.c:2685:	case TIOCSETD:
drivers/tty/tty_io.c-2686-	case TIOCSBRK:
--
drivers/tty/tty_io.c-2726-		return tiocgetd(tty, p);
drivers/tty/tty_io.c:2727:	case TIOCSETD:
drivers/tty/tty_io.c-2728-		return tiocsetd(tty, p);
--
drivers/tty/tty_io.c=2875=static long tty_compat_ioctl(struct file *file, unsigned int cmd,
--
drivers/tty/tty_io.c-2888-	case TIOCGETD:
drivers/tty/tty_io.c:2889:	case TIOCSETD:
drivers/tty/tty_io.c-2890-	case TIOCGDEV:
--
include/uapi/asm-generic/ioctls.h-54-#define TIOCNOTTY	0x5422
include/uapi/asm-generic/ioctls.h:55:#define TIOCSETD	0x5423
include/uapi/asm-generic/ioctls.h-56-#define TIOCGETD	0x5424
--
tools/include/uapi/asm-generic/ioctls.h-54-#define TIOCNOTTY	0x5422
tools/include/uapi/asm-generic/ioctls.h:55:#define TIOCSETD	0x5423
tools/include/uapi/asm-generic/ioctls.h-56-#define TIOCGETD	0x5424
--
tools/perf/trace/beauty/ioctl.c=21=static size_t ioctl__scnprintf_tty_cmd(int nr, int dir, char *bf, size_t size)
--
tools/perf/trace/beauty/ioctl.c-28-	"FIONREAD", "TIOCLINUX", "TIOCCONS", "TIOCGSERIAL", "TIOCSSERIAL", "TIOCPKT",
tools/perf/trace/beauty/ioctl.c:29:	"FIONBIO", "TIOCNOTTY", "TIOCSETD", "TIOCGETD", "TCSBRKP",
tools/perf/trace/beauty/ioctl.c-30-	[_IOC_NR(TIOCSBRK)] = "TIOCSBRK", "TIOCCBRK", "TIOCGSID", "TCGETS2", "TCSETS2",
]

14/2 2026/05/16 01:54 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 63355
							output: 42
							thoughts: 22
						

Thoughts:
Here's my take on the thought process, as requested:

**Diving into `tiocsetd`**

Okay, so I need to understand how `tiocsetd` functions in the kernel. Time to dig into the source. My initial instinct is to go straight to `drivers/tty/tty_io.c`. That's the most logical place to start, given its name and the nature of the task. That file should contain the core implementation, or at least be the entry point for this device control operation. I expect to find the actual code that handles the `TIOCSETD` ioctl there, or, at a minimum, a reference to the relevant lower-level functions. I'm hoping I can get a clear understanding of what `tiocsetd` does, any potential locking mechanisms involved, and how it interacts with the underlying tty structure. Let's see what we can find.



15/2 2026/05/16 01:54 tool codesearch-definition-source
0m Args:
map[ContextFile:drivers/tty/tty_io.c IncludeLines:true Name:tiocsetd]

Results:
map[SourceCode:2412:	/**
2413:	 * tiocsetd - set line discipline
2414:	 * @tty: tty device
2415:	 * @p: pointer to user data
2416:	 *
2417:	 * Set the line discipline according to user request.
2418:	 *
2419:	 * Locking: see tty_set_ldisc(), this function is just a helper
2420:	 */
2421:	static int tiocsetd(struct tty_struct *tty, int __user *p)
2422:	{
2423:		int disc;
2424:		int ret;
2425:	
2426:		if (get_user(disc, p))
2427:			return -EFAULT;
2428:	
2429:		ret = tty_set_ldisc(tty, disc);
2430:	
2431:		return ret;
2432:	}
 SourceFile:drivers/tty/tty_io.c]

16/2 2026/05/16 01:54 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 63910
							output: 44
							thoughts: 25
						

Thoughts:
Here's my take on the thought process, as if it were my own:

**Investigating Line Discipline Setup**

Okay, so I need to dive into how line disciplines are being set up in the kernel. My first port of call is usually the source code, so let's start with `drivers/tty/tty_ldisc.c`. That file seems like the logical place to find the `tty_set_ldisc` function. I'm assuming that function handles the core logic for switching and configuring these line disciplines, so that's where I need to start my investigation. It's the point of entry. Time to crack open the editor and get reading... I expect it'll give me a clearer picture of the control flow and data structures involved in setting up the line discipline.



17/2 2026/05/16 01:54 tool codesearch-definition-source
0m Args:
map[ContextFile:drivers/tty/tty_io.c IncludeLines:true Name:tty_set_ldisc]

Results:
map[SourceCode: 509:	/**
 510:	 * tty_set_ldisc		-	set line discipline
 511:	 * @tty: the terminal to set
 512:	 * @disc: the line discipline number
 513:	 *
 514:	 * Set the discipline of a tty line. Must be called from a process context. The
 515:	 * ldisc change logic has to protect itself against any overlapping ldisc
 516:	 * change (including on the other end of pty pairs), the close of one side of a
 517:	 * tty/pty pair, and eventually hangup.
 518:	 */
 519:	int tty_set_ldisc(struct tty_struct *tty, int disc)
 520:	{
 521:		int retval;
 522:		struct tty_ldisc *old_ldisc, *new_ldisc;
 523:	
 524:		new_ldisc = tty_ldisc_get(tty, disc);
 525:		if (IS_ERR(new_ldisc))
 526:			return PTR_ERR(new_ldisc);
 527:	
 528:		tty_lock(tty);
 529:		retval = tty_ldisc_lock(tty, 5 * HZ);
 530:		if (retval)
 531:			goto err;
 532:	
 533:		if (!tty->ldisc) {
 534:			retval = -EIO;
 535:			goto out;
 536:		}
 537:	
 538:		/* Check the no-op case */
 539:		if (tty->ldisc->ops->num == disc)
 540:			goto out;
 541:	
 542:		if (test_bit(TTY_HUPPED, &tty->flags)) {
 543:			/* We were raced by hangup */
 544:			retval = -EIO;
 545:			goto out;
 546:		}
 547:	
 548:		if (tty->ops->ldisc_ok) {
 549:			retval = tty->ops->ldisc_ok(tty, disc);
 550:			if (retval)
 551:				goto out;
 552:		}
 553:	
 554:		old_ldisc = tty->ldisc;
 555:	
 556:		/* Shutdown the old discipline. */
 557:		tty_ldisc_close(tty, old_ldisc);
 558:	
 559:		/* Now set up the new line discipline. */
 560:		tty->ldisc = new_ldisc;
 561:		tty_set_termios_ldisc(tty, disc);
 562:	
 563:		retval = tty_ldisc_open(tty, new_ldisc);
 564:		if (retval < 0) {
 565:			/* Back to the old one or N_TTY if we can't */
 566:			tty_ldisc_put(new_ldisc);
 567:			tty_ldisc_restore(tty, old_ldisc);
 568:		}
 569:	
 570:		if (tty->ldisc->ops->num != old_ldisc->ops->num && tty->ops->set_ldisc) {
 571:			down_read(&tty->termios_rwsem);
 572:			tty->ops->set_ldisc(tty);
 573:			up_read(&tty->termios_rwsem);
 574:		}
 575:	
 576:		/*
 577:		 * At this point we hold a reference to the new ldisc and a
 578:		 * reference to the old ldisc, or we hold two references to
 579:		 * the old ldisc (if it was restored as part of error cleanup
 580:		 * above). In either case, releasing a single reference from
 581:		 * the old ldisc is correct.
 582:		 */
 583:		new_ldisc = old_ldisc;
 584:	out:
 585:		tty_ldisc_unlock(tty);
 586:	
 587:		/*
 588:		 * Restart the work queue in case no characters kick it off. Safe if
 589:		 * already running
 590:		 */
 591:		tty_buffer_restart_work(tty->port);
 592:	err:
 593:		tty_ldisc_put(new_ldisc);	/* drop the extra reference */
 594:		tty_unlock(tty);
 595:		return retval;
 596:	}
 SourceFile:drivers/tty/tty_ldisc.c]

18/2 2026/05/16 01:54 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 65470
							output: 22
							thoughts: 190
						

Thoughts:
**Investigating a Potential Deadlock**

Okay, let me think this through. I'm trying to understand a deadlock scenario and the first question that pops up is whether there are any capability checks in the `tty_set_ldisc` or `tiocsetd` functions. Hmm, it seems not. Interesting.

An unprivileged user *can* open a TTY, like a PTY, but that might not be the issue here. I need to keep digging. Wait a minute… the deadlock involves `&port_lock_key`, which immediately makes me think of serial ports, like the 8250.

Can a regular, unprivileged user even *open* a serial port? Usually, those things are locked down. `/dev/ttyS*` devices are owned by `root:dialout`, with permissions of `0660`. So, no, they can't directly.

But, back to the PTY angle. They *can* use a PTY, right? Absolutely, `/dev/ptmx` is world-accessible. That's a key point. Now, does a PTY *use* `&port_lock_key`? That's the critical question. I need to be sure. Let me jump into `drivers/tty/pty.c` and check.



19/2 2026/05/16 01:54 tool read-file
0m Args:
map[File:drivers/tty/pty.c]

Results:
map[Contents:// SPDX-License-Identifier: GPL-2.0
/*
 *  Copyright (C) 1991, 1992  Linus Torvalds
 *
 *  Added support for a Unix98-style ptmx device.
 *    -- C. Scott Ananian <cananian@alumni.princeton.edu>, 14-Jan-1998
 *
 */

#include <linux/module.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/fcntl.h>
#include <linux/sched/signal.h>
#include <linux/string.h>
#include <linux/major.h>
#include <linux/mm.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/uaccess.h>
#include <linux/bitops.h>
#include <linux/devpts_fs.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/poll.h>
#include <linux/mount.h>
#include <linux/file.h>
#include <linux/ioctl.h>
#include <linux/compat.h>
#include "tty.h"

#undef TTY_DEBUG_HANGUP
#ifdef TTY_DEBUG_HANGUP
# define tty_debug_hangup(tty, f, args...)	tty_debug(tty, f, ##args)
#else
# define tty_debug_hangup(tty, f, args...)	do {} while (0)
#endif

#ifdef CONFIG_UNIX98_PTYS
static struct tty_driver *ptm_driver;
static struct tty_driver *pts_driver;
static DEFINE_MUTEX(devpts_mutex);
#endif

static void pty_close(struct tty_struct *tty, struct file *filp)
{
	if (tty->driver->subtype == PTY_TYPE_MASTER)
		WARN_ON(tty->count > 1);
	else {
		if (tty_io_error(tty))
			return;
		if (tty->count > 2)
			return;
	}
	set_bit(TTY_IO_ERROR, &tty->flags);
	wake_up_interruptible(&tty->read_wait);
	wake_up_interruptible(&tty->write_wait);
	scoped_guard(spinlock_irq, &tty->ctrl.lock)
		tty->ctrl.packet = false;
	/* Review - krefs on tty_link ?? */
	if (!tty->link)
		return;
	set_bit(TTY_OTHER_CLOSED, &tty->link->flags);
	wake_up_interruptible(&tty->link->read_wait);
	wake_up_interruptible(&tty->link->write_wait);
	if (tty->driver->subtype == PTY_TYPE_MASTER) {
		set_bit(TTY_OTHER_CLOSED, &tty->flags);
#ifdef CONFIG_UNIX98_PTYS
		if (tty->driver == ptm_driver) {
			guard(mutex)(&devpts_mutex);
			if (tty->link->driver_data)
				devpts_pty_kill(tty->link->driver_data);
		}
#endif
		tty_vhangup(tty->link);
	}
}

/*
 * The unthrottle routine is called by the line discipline to signal
 * that it can receive more characters.  For PTY's, the TTY_THROTTLED
 * flag is always set, to force the line discipline to always call the
 * unthrottle routine when there are fewer than TTY_THRESHOLD_UNTHROTTLE
 * characters in the queue.  This is necessary since each time this
 * happens, we need to wake up any sleeping processes that could be
 * (1) trying to send data to the pty, or (2) waiting in wait_until_sent()
 * for the pty buffer to be drained.
 */
static void pty_unthrottle(struct tty_struct *tty)
{
	tty_wakeup(tty->link);
	set_bit(TTY_THROTTLED, &tty->flags);
}

/**
 *	pty_write		-	write to a pty
 *	@tty: the tty we write from
 *	@buf: kernel buffer of data
 *	@c: bytes to write
 *
 *	Our "hardware" write method. Data is coming from the ldisc which
 *	may be in a non sleeping state. We simply throw this at the other
 *	end of the link as if we were an IRQ handler receiving stuff for
 *	the other side of the pty/tty pair.
 */

static ssize_t pty_write(struct tty_struct *tty, const u8 *buf, size_t c)
{
	struct tty_struct *to = tty->link;

	if (tty->flow.stopped || !c)
		return 0;

	return tty_insert_flip_string_and_push_buffer(to->port, buf, c);
}

/**
 *	pty_write_room	-	write space
 *	@tty: tty we are writing from
 *
 *	Report how many bytes the ldisc can send into the queue for
 *	the other device.
 */

static unsigned int pty_write_room(struct tty_struct *tty)
{
	if (tty->flow.stopped)
		return 0;
	return tty_buffer_space_avail(tty->link->port);
}

/* Set the lock flag on a pty */
static int pty_set_lock(struct tty_struct *tty, int __user *arg)
{
	int val;

	if (get_user(val, arg))
		return -EFAULT;
	if (val)
		set_bit(TTY_PTY_LOCK, &tty->flags);
	else
		clear_bit(TTY_PTY_LOCK, &tty->flags);
	return 0;
}

static int pty_get_lock(struct tty_struct *tty, int __user *arg)
{
	int locked = test_bit(TTY_PTY_LOCK, &tty->flags);

	return put_user(locked, arg);
}

/* Set the packet mode on a pty */
static int pty_set_pktmode(struct tty_struct *tty, int __user *arg)
{
	int want_pktmode;

	if (get_user(want_pktmode, arg))
		return -EFAULT;

	guard(spinlock_irq)(&tty->ctrl.lock);
	if (!want_pktmode) {
		tty->ctrl.packet = false;
		return 0;
	}

	if (tty->ctrl.packet)
		return 0;

	tty->link->ctrl.pktstatus = 0;
	smp_mb();
	tty->ctrl.packet = true;

	return 0;
}

/* Get the packet mode of a pty */
static int pty_get_pktmode(struct tty_struct *tty, int __user *arg)
{
	int pktmode = tty->ctrl.packet;

	return put_user(pktmode, arg);
}

/* Send a signal to the slave */
static int pty_signal(struct tty_struct *tty, int sig)
{
	struct pid *pgrp;

	if (sig != SIGINT && sig != SIGQUIT && sig != SIGTSTP)
		return -EINVAL;

	if (tty->link) {
		pgrp = tty_get_pgrp(tty->link);
		if (pgrp)
			kill_pgrp(pgrp, sig, 1);
		put_pid(pgrp);
	}
	return 0;
}

static void pty_flush_buffer(struct tty_struct *tty)
{
	struct tty_struct *to = tty->link;

	if (!to)
		return;

	tty_buffer_flush(to, NULL);
	if (to->ctrl.packet) {
		guard(spinlock_irq)(&tty->ctrl.lock);
		tty->ctrl.pktstatus |= TIOCPKT_FLUSHWRITE;
		wake_up_interruptible(&to->read_wait);
	}
}

static int pty_open(struct tty_struct *tty, struct file *filp)
{
	if (!tty || !tty->link)
		return -ENODEV;

	if (test_bit(TTY_OTHER_CLOSED, &tty->flags))
		goto out;
	if (test_bit(TTY_PTY_LOCK, &tty->link->flags))
		goto out;
	if (tty->driver->subtype == PTY_TYPE_SLAVE && tty->link->count != 1)
		goto out;

	clear_bit(TTY_IO_ERROR, &tty->flags);
	clear_bit(TTY_OTHER_CLOSED, &tty->link->flags);
	set_bit(TTY_THROTTLED, &tty->flags);
	return 0;

out:
	set_bit(TTY_IO_ERROR, &tty->flags);
	return -EIO;
}

static void pty_set_termios(struct tty_struct *tty,
			    const struct ktermios *old_termios)
{
	/* See if packet mode change of state. */
	if (tty->link && tty->link->ctrl.packet) {
		int extproc = (old_termios->c_lflag & EXTPROC) | L_EXTPROC(tty);
		int old_flow = ((old_termios->c_iflag & IXON) &&
				(old_termios->c_cc[VSTOP] == '\023') &&
				(old_termios->c_cc[VSTART] == '\021'));
		int new_flow = (I_IXON(tty) &&
				STOP_CHAR(tty) == '\023' &&
				START_CHAR(tty) == '\021');
		if ((old_flow != new_flow) || extproc) {
			scoped_guard(spinlock_irq, &tty->ctrl.lock) {
				if (old_flow != new_flow) {
					tty->ctrl.pktstatus &= ~(TIOCPKT_DOSTOP | TIOCPKT_NOSTOP);
					if (new_flow)
						tty->ctrl.pktstatus |= TIOCPKT_DOSTOP;
					else
						tty->ctrl.pktstatus |= TIOCPKT_NOSTOP;
				}
				if (extproc)
					tty->ctrl.pktstatus |= TIOCPKT_IOCTL;
			}
			wake_up_interruptible(&tty->link->read_wait);
		}
	}

	tty->termios.c_cflag &= ~(CSIZE | PARENB);
	tty->termios.c_cflag |= (CS8 | CREAD);
}

/**
 *	pty_resize		-	resize event
 *	@tty: tty being resized
 *	@ws: window size being set.
 *
 *	Update the termios variables and send the necessary signals to
 *	peform a terminal resize correctly
 */

static int pty_resize(struct tty_struct *tty,  struct winsize *ws)
{
	struct pid *pgrp, *rpgrp;
	struct tty_struct *pty = tty->link;

	/* For a PTY we need to lock the tty side */
	guard(mutex)(&tty->winsize_mutex);
	if (!memcmp(ws, &tty->winsize, sizeof(*ws)))
		return 0;

	/* Signal the foreground process group of both ptys */
	pgrp = tty_get_pgrp(tty);
	rpgrp = tty_get_pgrp(pty);

	if (pgrp)
		kill_pgrp(pgrp, SIGWINCH, 1);
	if (rpgrp != pgrp && rpgrp)
		kill_pgrp(rpgrp, SIGWINCH, 1);

	put_pid(pgrp);
	put_pid(rpgrp);

	tty->winsize = *ws;
	pty->winsize = *ws;	/* Never used so will go away soon */

	return 0;
}

/**
 *	pty_start - start() handler
 *	pty_stop  - stop() handler
 *	@tty: tty being flow-controlled
 *
 *	Propagates the TIOCPKT status to the master pty.
 *
 *	NB: only the master pty can be in packet mode so only the slave
 *	    needs start()/stop() handlers
 */
static void pty_start(struct tty_struct *tty)
{
	if (!tty->link || !tty->link->ctrl.packet)
		return;

	scoped_guard(spinlock_irqsave, &tty->ctrl.lock) {
		tty->ctrl.pktstatus &= ~TIOCPKT_STOP;
		tty->ctrl.pktstatus |= TIOCPKT_START;
	}
	wake_up_interruptible_poll(&tty->link->read_wait, EPOLLIN);
}

static void pty_stop(struct tty_struct *tty)
{
	if (!tty->link || !tty->link->ctrl.packet)
		return;

	scoped_guard(spinlock_irqsave, &tty->ctrl.lock) {
		tty->ctrl.pktstatus &= ~TIOCPKT_START;
		tty->ctrl.pktstatus |= TIOCPKT_STOP;
	}
	wake_up_interruptible_poll(&tty->link->read_wait, EPOLLIN);
}

/**
 *	pty_common_install		-	set up the pty pair
 *	@driver: the pty driver
 *	@tty: the tty being instantiated
 *	@legacy: true if this is BSD style
 *
 *	Perform the initial set up for the tty/pty pair. Called from the
 *	tty layer when the port is first opened.
 *
 *	Locking: the caller must hold the tty_mutex
 */
static int pty_common_install(struct tty_driver *driver, struct tty_struct *tty,
		bool legacy)
{
	struct tty_struct *o_tty;
	struct tty_port *ports[2];
	int idx = tty->index;
	int retval = -ENOMEM;

	/* Opening the slave first has always returned -EIO */
	if (driver->subtype != PTY_TYPE_MASTER)
		return -EIO;

	ports[0] = kmalloc_obj(**ports);
	ports[1] = kmalloc_obj(**ports);
	if (!ports[0] || !ports[1])
		goto err;
	if (!try_module_get(driver->other->owner)) {
		/* This cannot in fact currently happen */
		goto err;
	}
	o_tty = alloc_tty_struct(driver->other, idx);
	if (!o_tty)
		goto err_put_module;

	tty_set_lock_subclass(o_tty);
	lockdep_set_subclass(&o_tty->termios_rwsem, TTY_LOCK_SLAVE);

	if (legacy) {
		/* We always use new tty termios data so we can do this
		   the easy way .. */
		tty_init_termios(tty);
		tty_init_termios(o_tty);

		driver->other->ttys[idx] = o_tty;
		driver->ttys[idx] = tty;
	} else {
		memset(&tty->termios_locked, 0, sizeof(tty->termios_locked));
		tty->termios = driver->init_termios;
		memset(&o_tty->termios_locked, 0, sizeof(tty->termios_locked));
		o_tty->termios = driver->other->init_termios;
	}

	/*
	 * Everything allocated ... set up the o_tty structure.
	 */
	tty_driver_kref_get(driver->other);
	/* Establish the links in both directions */
	tty->link   = o_tty;
	o_tty->link = tty;
	tty_port_init(ports[0]);
	tty_port_init(ports[1]);
	tty_buffer_set_limit(ports[0], 8192);
	tty_buffer_set_limit(ports[1], 8192);
	o_tty->port = ports[0];
	tty->port = ports[1];
	o_tty->port->itty = o_tty;

	tty_buffer_set_lock_subclass(o_tty->port);

	tty_driver_kref_get(driver);
	tty->count++;
	o_tty->count++;
	return 0;

err_put_module:
	module_put(driver->other->owner);
err:
	kfree(ports[0]);
	kfree(ports[1]);
	return retval;
}

static void pty_cleanup(struct tty_struct *tty)
{
	tty_port_put(tty->port);
}

/* Traditional BSD devices */
#ifdef CONFIG_LEGACY_PTYS

static int pty_install(struct tty_driver *driver, struct tty_struct *tty)
{
	return pty_common_install(driver, tty, true);
}

static void pty_remove(struct tty_driver *driver, struct tty_struct *tty)
{
	struct tty_struct *pair = tty->link;

	driver->ttys[tty->index] = NULL;
	if (pair)
		pair->driver->ttys[pair->index] = NULL;
}

static int pty_bsd_ioctl(struct tty_struct *tty,
			 unsigned int cmd, unsigned long arg)
{
	switch (cmd) {
	case TIOCSPTLCK: /* Set PT Lock (disallow slave open) */
		return pty_set_lock(tty, (int __user *) arg);
	case TIOCGPTLCK: /* Get PT Lock status */
		return pty_get_lock(tty, (int __user *)arg);
	case TIOCPKT: /* Set PT packet mode */
		return pty_set_pktmode(tty, (int __user *)arg);
	case TIOCGPKT: /* Get PT packet mode */
		return pty_get_pktmode(tty, (int __user *)arg);
	case TIOCSIG:    /* Send signal to other side of pty */
		return pty_signal(tty, (int) arg);
	case TIOCGPTN: /* TTY returns ENOTTY, but glibc expects EINVAL here */
		return -EINVAL;
	}
	return -ENOIOCTLCMD;
}

#ifdef CONFIG_COMPAT
static long pty_bsd_compat_ioctl(struct tty_struct *tty,
				 unsigned int cmd, unsigned long arg)
{
	/*
	 * PTY ioctls don't require any special translation between 32-bit and
	 * 64-bit userspace, they are already compatible.
	 */
	return pty_bsd_ioctl(tty, cmd, (unsigned long)compat_ptr(arg));
}
#else
#define pty_bsd_compat_ioctl NULL
#endif

static int legacy_count = CONFIG_LEGACY_PTY_COUNT;
/*
 * not really modular, but the easiest way to keep compat with existing
 * bootargs behaviour is to continue using module_param here.
 */
module_param(legacy_count, int, 0);

/*
 * The master side of a pty can do TIOCSPTLCK and thus
 * has pty_bsd_ioctl.
 */
static const struct tty_operations master_pty_ops_bsd = {
	.install = pty_install,
	.open = pty_open,
	.close = pty_close,
	.write = pty_write,
	.write_room = pty_write_room,
	.flush_buffer = pty_flush_buffer,
	.unthrottle = pty_unthrottle,
	.ioctl = pty_bsd_ioctl,
	.compat_ioctl = pty_bsd_compat_ioctl,
	.cleanup = pty_cleanup,
	.resize = pty_resize,
	.remove = pty_remove
};

static const struct tty_operations slave_pty_ops_bsd = {
	.install = pty_install,
	.open = pty_open,
	.close = pty_close,
	.write = pty_write,
	.write_room = pty_write_room,
	.flush_buffer = pty_flush_buffer,
	.unthrottle = pty_unthrottle,
	.set_termios = pty_set_termios,
	.cleanup = pty_cleanup,
	.resize = pty_resize,
	.start = pty_start,
	.stop = pty_stop,
	.remove = pty_remove
};

static void __init legacy_pty_init(void)
{
	struct tty_driver *pty_driver, *pty_slave_driver;

	if (legacy_count <= 0)
		return;

	pty_driver = tty_alloc_driver(legacy_count,
			TTY_DRIVER_RESET_TERMIOS |
			TTY_DRIVER_REAL_RAW |
			TTY_DRIVER_DYNAMIC_ALLOC);
	if (IS_ERR(pty_driver))
		panic("Couldn't allocate pty driver");

	pty_slave_driver = tty_alloc_driver(legacy_count,
			TTY_DRIVER_RESET_TERMIOS |
			TTY_DRIVER_REAL_RAW |
			TTY_DRIVER_DYNAMIC_ALLOC);
	if (IS_ERR(pty_slave_driver))
		panic("Couldn't allocate pty slave driver");

	pty_driver->driver_name = "pty_master";
	pty_driver->name = "pty";
	pty_driver->major = PTY_MASTER_MAJOR;
	pty_driver->minor_start = 0;
	pty_driver->type = TTY_DRIVER_TYPE_PTY;
	pty_driver->subtype = PTY_TYPE_MASTER;
	pty_driver->init_termios = tty_std_termios;
	pty_driver->init_termios.c_iflag = 0;
	pty_driver->init_termios.c_oflag = 0;
	pty_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
	pty_driver->init_termios.c_lflag = 0;
	pty_driver->init_termios.c_ispeed = 38400;
	pty_driver->init_termios.c_ospeed = 38400;
	pty_driver->other = pty_slave_driver;
	tty_set_operations(pty_driver, &master_pty_ops_bsd);

	pty_slave_driver->driver_name = "pty_slave";
	pty_slave_driver->name = "ttyp";
	pty_slave_driver->major = PTY_SLAVE_MAJOR;
	pty_slave_driver->minor_start = 0;
	pty_slave_driver->type = TTY_DRIVER_TYPE_PTY;
	pty_slave_driver->subtype = PTY_TYPE_SLAVE;
	pty_slave_driver->init_termios = tty_std_termios;
	pty_slave_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
	pty_slave_driver->init_termios.c_ispeed = 38400;
	pty_slave_driver->init_termios.c_ospeed = 38400;
	pty_slave_driver->other = pty_driver;
	tty_set_operations(pty_slave_driver, &slave_pty_ops_bsd);

	if (tty_register_driver(pty_driver))
		panic("Couldn't register pty driver");
	if (tty_register_driver(pty_slave_driver))
		panic("Couldn't register pty slave driver");
}
#else
static inline void legacy_pty_init(void) { }
#endif

/* Unix98 devices */
#ifdef CONFIG_UNIX98_PTYS
static struct cdev ptmx_cdev;

static struct file *ptm_open_peer_file(struct file *master,
				       struct tty_struct *tty, int flags)
{
	struct path path;
	struct file *file;

	/* Compute the slave's path */
	path.mnt = devpts_mntget(master, tty->driver_data);
	if (IS_ERR(path.mnt))
		return ERR_CAST(path.mnt);
	path.dentry = tty->link->driver_data;

	file = dentry_open(&path, flags, current_cred());
	mntput(path.mnt);
	return file;
}

/**
 *	ptm_open_peer - open the peer of a pty
 *	@master: the open struct file of the ptmx device node
 *	@tty: the master of the pty being opened
 *	@flags: the flags for open
 *
 *	Provide a race free way for userspace to open the slave end of a pty
 *	(where they have the master fd and cannot access or trust the mount
 *	namespace /dev/pts was mounted inside).
 */
int ptm_open_peer(struct file *master, struct tty_struct *tty, int flags)
{
	if (tty->driver != ptm_driver)
		return -EIO;

	return FD_ADD(flags, ptm_open_peer_file(master, tty, flags));
}

static int pty_unix98_ioctl(struct tty_struct *tty,
			    unsigned int cmd, unsigned long arg)
{
	switch (cmd) {
	case TIOCSPTLCK: /* Set PT Lock (disallow slave open) */
		return pty_set_lock(tty, (int __user *)arg);
	case TIOCGPTLCK: /* Get PT Lock status */
		return pty_get_lock(tty, (int __user *)arg);
	case TIOCPKT: /* Set PT packet mode */
		return pty_set_pktmode(tty, (int __user *)arg);
	case TIOCGPKT: /* Get PT packet mode */
		return pty_get_pktmode(tty, (int __user *)arg);
	case TIOCGPTN: /* Get PT Number */
		return put_user(tty->index, (unsigned int __user *)arg);
	case TIOCSIG:    /* Send signal to other side of pty */
		return pty_signal(tty, (int) arg);
	}

	return -ENOIOCTLCMD;
}

#ifdef CONFIG_COMPAT
static long pty_unix98_compat_ioctl(struct tty_struct *tty,
				 unsigned int cmd, unsigned long arg)
{
	/*
	 * PTY ioctls don't require any special translation between 32-bit and
	 * 64-bit userspace, they are already compatible.
	 */
	return pty_unix98_ioctl(tty, cmd,
		cmd == TIOCSIG ? arg : (unsigned long)compat_ptr(arg));
}
#else
#define pty_unix98_compat_ioctl NULL
#endif

/**
 *	ptm_unix98_lookup	-	find a pty master
 *	@driver: ptm driver
 *	@file: unused
 *	@idx: tty index
 *
 *	Look up a pty master device. Called under the tty_mutex for now.
 *	This provides our locking.
 */

static struct tty_struct *ptm_unix98_lookup(struct tty_driver *driver,
		struct file *file, int idx)
{
	/* Master must be open via /dev/ptmx */
	return ERR_PTR(-EIO);
}

/**
 *	pts_unix98_lookup	-	find a pty slave
 *	@driver: pts driver
 *	@file: file pointer to tty
 *	@idx: tty index
 *
 *	Look up a pty master device. Called under the tty_mutex for now.
 *	This provides our locking for the tty pointer.
 */

static struct tty_struct *pts_unix98_lookup(struct tty_driver *driver,
		struct file *file, int idx)
{
	guard(mutex)(&devpts_mutex);
	/* Master must be open before slave */
	return devpts_get_priv(file->f_path.dentry) ? : ERR_PTR(-EIO);
}

static int pty_unix98_install(struct tty_driver *driver, struct tty_struct *tty)
{
	return pty_common_install(driver, tty, false);
}

/* this is called once with whichever end is closed last */
static void pty_unix98_remove(struct tty_driver *driver, struct tty_struct *tty)
{
	struct pts_fs_info *fsi;

	if (tty->driver->subtype == PTY_TYPE_MASTER)
		fsi = tty->driver_data;
	else
		fsi = tty->link->driver_data;

	if (fsi) {
		devpts_kill_index(fsi, tty->index);
		devpts_release(fsi);
	}
}

static void pty_show_fdinfo(struct tty_struct *tty, struct seq_file *m)
{
	seq_printf(m, "tty-index:\t%d\n", tty->index);
}

static const struct tty_operations ptm_unix98_ops = {
	.lookup = ptm_unix98_lookup,
	.install = pty_unix98_install,
	.remove = pty_unix98_remove,
	.open = pty_open,
	.close = pty_close,
	.write = pty_write,
	.write_room = pty_write_room,
	.flush_buffer = pty_flush_buffer,
	.unthrottle = pty_unthrottle,
	.ioctl = pty_unix98_ioctl,
	.compat_ioctl = pty_unix98_compat_ioctl,
	.resize = pty_resize,
	.cleanup = pty_cleanup,
	.show_fdinfo = pty_show_fdinfo,
};

static const struct tty_operations pty_unix98_ops = {
	.lookup = pts_unix98_lookup,
	.install = pty_unix98_install,
	.remove = pty_unix98_remove,
	.open = pty_open,
	.close = pty_close,
	.write = pty_write,
	.write_room = pty_write_room,
	.flush_buffer = pty_flush_buffer,
	.unthrottle = pty_unthrottle,
	.set_termios = pty_set_termios,
	.start = pty_start,
	.stop = pty_stop,
	.cleanup = pty_cleanup,
};

/**
 *	ptmx_open		-	open a unix 98 pty master
 *	@inode: inode of device file
 *	@filp: file pointer to tty
 *
 *	Allocate a unix98 pty master device from the ptmx driver.
 *
 *	Locking: tty_mutex protects the init_dev work. tty->count should
 *		protect the rest.
 *		allocated_ptys_lock handles the list of free pty numbers
 */

static int ptmx_open(struct inode *inode, struct file *filp)
{
	struct pts_fs_info *fsi;
	struct tty_struct *tty;
	struct dentry *dentry;
	int retval;
	int index;

	nonseekable_open(inode, filp);

	/* We refuse fsnotify events on ptmx, since it's a shared resource */
	file_set_fsnotify_mode(filp, FMODE_NONOTIFY);

	retval = tty_alloc_file(filp);
	if (retval)
		return retval;

	fsi = devpts_acquire(filp);
	if (IS_ERR(fsi)) {
		retval = PTR_ERR(fsi);
		goto out_free_file;
	}

	/* find a device that is not in use. */
	scoped_guard(mutex, &devpts_mutex)
		index = devpts_new_index(fsi);

	retval = index;
	if (index < 0)
		goto out_put_fsi;


	/* The tty returned here is locked so we can safely drop the mutex */
	scoped_guard(mutex, &tty_mutex)
		tty = tty_init_dev(ptm_driver, index);

	retval = PTR_ERR(tty);
	if (IS_ERR(tty))
		goto out;

	/*
	 * From here on out, the tty is "live", and the index and
	 * fsi will be killed/put by the tty_release()
	 */
	set_bit(TTY_PTY_LOCK, &tty->flags); /* LOCK THE SLAVE */
	tty->driver_data = fsi;

	tty_add_file(tty, filp);

	dentry = devpts_pty_new(fsi, index, tty->link);
	if (IS_ERR(dentry)) {
		retval = PTR_ERR(dentry);
		goto err_release;
	}
	tty->link->driver_data = dentry;

	retval = ptm_driver->ops->open(tty, filp);
	if (retval)
		goto err_release;

	tty_debug_hangup(tty, "opening (count=%d)\n", tty->count);

	tty_unlock(tty);
	return 0;
err_release:
	tty_unlock(tty);
	// This will also put-ref the fsi
	tty_release(inode, filp);
	return retval;
out:
	devpts_kill_index(fsi, index);
out_put_fsi:
	devpts_release(fsi);
out_free_file:
	tty_free_file(filp);
	return retval;
}

static struct file_operations ptmx_fops __ro_after_init;

static void __init unix98_pty_init(void)
{
	ptm_driver = tty_alloc_driver(NR_UNIX98_PTY_MAX,
			TTY_DRIVER_RESET_TERMIOS |
			TTY_DRIVER_REAL_RAW |
			TTY_DRIVER_DYNAMIC_DEV |
			TTY_DRIVER_DEVPTS_MEM |
			TTY_DRIVER_DYNAMIC_ALLOC);
	if (IS_ERR(ptm_driver))
		panic("Couldn't allocate Unix98 ptm driver");
	pts_driver = tty_alloc_driver(NR_UNIX98_PTY_MAX,
			TTY_DRIVER_RESET_TERMIOS |
			TTY_DRIVER_REAL_RAW |
			TTY_DRIVER_DYNAMIC_DEV |
			TTY_DRIVER_DEVPTS_MEM |
			TTY_DRIVER_DYNAMIC_ALLOC);
	if (IS_ERR(pts_driver))
		panic("Couldn't allocate Unix98 pts driver");

	ptm_driver->driver_name = "pty_master";
	ptm_driver->name = "ptm";
	ptm_driver->major = UNIX98_PTY_MASTER_MAJOR;
	ptm_driver->minor_start = 0;
	ptm_driver->type = TTY_DRIVER_TYPE_PTY;
	ptm_driver->subtype = PTY_TYPE_MASTER;
	ptm_driver->init_termios = tty_std_termios;
	ptm_driver->init_termios.c_iflag = 0;
	ptm_driver->init_termios.c_oflag = 0;
	ptm_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
	ptm_driver->init_termios.c_lflag = 0;
	ptm_driver->init_termios.c_ispeed = 38400;
	ptm_driver->init_termios.c_ospeed = 38400;
	ptm_driver->other = pts_driver;
	tty_set_operations(ptm_driver, &ptm_unix98_ops);

	pts_driver->driver_name = "pty_slave";
	pts_driver->name = "pts";
	pts_driver->major = UNIX98_PTY_SLAVE_MAJOR;
	pts_driver->minor_start = 0;
	pts_driver->type = TTY_DRIVER_TYPE_PTY;
	pts_driver->subtype = PTY_TYPE_SLAVE;
	pts_driver->init_termios = tty_std_termios;
	pts_driver->init_termios.c_cflag = B38400 | CS8 | CREAD;
	pts_driver->init_termios.c_ispeed = 38400;
	pts_driver->init_termios.c_ospeed = 38400;
	pts_driver->other = ptm_driver;
	tty_set_operations(pts_driver, &pty_unix98_ops);

	if (tty_register_driver(ptm_driver))
		panic("Couldn't register Unix98 ptm driver");
	if (tty_register_driver(pts_driver))
		panic("Couldn't register Unix98 pts driver");

	/* Now create the /dev/ptmx special device */
	tty_default_fops(&ptmx_fops);
	ptmx_fops.open = ptmx_open;

	cdev_init(&ptmx_cdev, &ptmx_fops);
	if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) ||
	    register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0)
		panic("Couldn't register /dev/ptmx driver");
	device_create(&tty_class, NULL, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx");
}

#else
static inline void unix98_pty_init(void) { }
#endif

static int __init pty_init(void)
{
	legacy_pty_init();
	unix98_pty_init();
	return 0;
}
device_initcall(pty_init);
]

20/2 2026/05/16 01:54 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 75403
							output: 39
							thoughts: 4026
						

Thoughts:
**Analysis of a Potential Deadlock in the Linux Serial Core and PPP Sync TTY Drivers**

Okay, so I've been digging into this potential deadlock. The core issue revolves around how `&port_lock_key` (used by serial ports) and `disc_data_lock` (a global rwlock in `ppp_synctty.c`) interact, especially when `N_SYNC_PPP` line discipline is involved. It looks like the initial trigger requires a serial port to be opened, its line discipline set to `N_SYNC_PPP`, and then a call to `uart_carrier_raised` or a similar function. The immediate question becomes: can an unprivileged user even *get* to that point?

By default, `/dev/ttyS0` (a common serial port) is owned by root and is not accessible to a regular user. So, opening it is a non-starter.  I considered, what if they're in the `dialout` group? That's still a privileged group.  Syzkaller triggered this, so it's probably running as root or using `syz_open_dev`, ruling out the unprivileged user scenario.

However, the real crux is whether an unprivileged user can hit the dangerous combination of locks.  The core of the problem lies in the lock order. If a user with *any* TTY (especially a PTY - pseudo-terminal) sets `N_SYNC_PPP` via `TIOCSETD`, and then calls `ppp_synctty_ioctl` to acquire the `read_lock(&disc_data_lock)`. Meanwhile, a privileged process (kernel console, a daemon, or a root process) with a serial port set to `N_SYNC_PPP` might hit the `uart_carrier_raised` path. Now here's where the problem arises:

`uart_carrier_raised` can lead to `uart_handle_cts_change`, which can call `ppp_sync_wakeup`, which eventually calls `sp_get`, which acquires `read_lock(&disc_data_lock)`.  If the interrupt handler then tries to acquire `port_lock_key`, which it *will* if `uart_carrier_raised` is running, then we have a potential problem. If an unprivileged user calls `ppp_synctty_ioctl` and the root process closes the serial port, `ppp_sync_close` tries to acquire the *write* lock on `disc_data_lock`. If it can't, it will block. This means that a serial interrupt can block due to `port_lock_key`.

So, the dependency is `port_lock_key` -> `disc_data_lock`. If an unprivileged user is in the picture, it's just a warning. This is because the locking is read-read. But the lockdep report says that one thread acquires the lock in hardirq context and one does not. So it can still be a potential deadlock.

To summarize this: The lock inversion occurs when an unprivileged user can acquire `disc_data_lock` *before* a privileged process attempts to acquire `port_lock_key` on a serial port using `N_SYNC_PPP`.  The problem is made worse by the fact that Syzkaller *did* hit this!

Can an unprivileged user trigger this reliably? The answer is likely no. They need: 1) a serial port configured with `N_SYNC_PPP`; 2) the `uart_carrier_raised` pathway to be active; 3) an interrupt to trigger the code that would acquire `port_lock_key`; and 4) `disc_data_lock` to be held by an unprivileged process.  If the admin doesn't configure a serial port with `N_SYNC_PPP`, there's no problem.  I don't see any other realistic scenarios to open a serial port without privileges.

I re-checked the stack trace. The `ppp_sync_wakeup` being called during `open` happens when a privileged process opens a serial port, sets `N_SYNC_PPP`, and then another process (again, likely privileged) tries to *re*-open the same TTY.

So, the issue *is* a lock order inversion, which means Denial of Service.  But a completely unprivileged user can't trigger it directly. It requires root to set the line discipline of the serial port to `N_SYNC_PPP`.



21/2 2026/05/16 01:55 tool codesearch-definition-source
0m Args:
map[ContextFile:drivers/tty/pty.c IncludeLines:true Name:pty_open]

Results:
map[SourceCode: 219:	static int pty_open(struct tty_struct *tty, struct file *filp)
 220:	{
 221:		if (!tty || !tty->link)
 222:			return -ENODEV;
 223:	
 224:		if (test_bit(TTY_OTHER_CLOSED, &tty->flags))
 225:			goto out;
 226:		if (test_bit(TTY_PTY_LOCK, &tty->link->flags))
 227:			goto out;
 228:		if (tty->driver->subtype == PTY_TYPE_SLAVE && tty->link->count != 1)
 229:			goto out;
 230:	
 231:		clear_bit(TTY_IO_ERROR, &tty->flags);
 232:		clear_bit(TTY_OTHER_CLOSED, &tty->link->flags);
 233:		set_bit(TTY_THROTTLED, &tty->flags);
 234:		return 0;
 235:	
 236:	out:
 237:		set_bit(TTY_IO_ERROR, &tty->flags);
 238:		return -EIO;
 239:	}
 SourceFile:drivers/tty/pty.c]

22/2 2026/05/16 01:55 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 80786
							output: 41
							thoughts: 213
						

Thoughts:
**Investigating Potential Security Implications of `tty_port_block_til_ready`**

Okay, so it looks like `pty_open` skips calling `tty_port_block_til_ready`. That's good to know. So, PTYs are off the radar as a potential trigger for this particular path. But, what about other TTY drivers? Are there any that an unprivileged user can actually open?

Generally, my understanding is that unprivileged users are limited to PTYs, which is via `/dev/ptmx`, and their current TTY, accessible through `/dev/tty`. If they try to open `/dev/tty`, it's essentially just re-opening their current TTY, which might be a PTY or even a virtual console.

Virtual consoles, like `/dev/tty1`, are typically owned by `root:tty` with permissions set to `0620`. This means an unprivileged user could write to them, but they can't read or open them for read unless they're the owner—say, because they're actually logged into that console. If a user *is* logged in on a virtual console, then they become the owner.

So, the next question is, do these virtual consoles actually use `tty_port_block_til_ready`? It's time to check.



23/2 2026/05/16 01:55 tool codesearch-definition-source
0m Args:
map[ContextFile:drivers/tty/vt/vt.c IncludeLines:true Name:con_open]

Results:
map[SourceCode:3679:	static int con_open(struct tty_struct *tty, struct file *filp)
3680:	{
3681:		/* everything done in install */
3682:		return 0;
3683:	}
 SourceFile:drivers/tty/vt/vt.c]

24/2 2026/05/16 01:55 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 81427
							output: 23
							thoughts: 216
						

Thoughts:
**Analyzing a Potential Kernel Deadlock**

Okay, so `con_open` *doesn't* call `tty_port_block_til_ready`. That's important. This means virtual consoles aren't likely the trigger for this issue. Good to eliminate that avenue. But, what about other serial port drivers? We need to widen the scope of our investigation.

The lockdep warning is specifically flagging `port_lock_key`, and that key is initialized within `uart_port_spin_lock_init` in `serial_core.c`. This strongly suggests the deadlock specifically involves `serial_core` and `ppp_synctty`. Since `serial_core` handles serial ports, and those are generally not accessible to unprivileged users, it’s unlikely that this is a security vulnerability that would be directly exposed to a malicious user. This gives me a bit more confidence, at least from a security standpoint.

But, wait... let's not jump to conclusions. We need to explore other possible code paths that could trigger `uart_carrier_raised`. We know it's called from `tty_port_carrier_raised`, which is in turn called from `tty_port_block_til_ready`. And `tty_port_block_til_ready` is called from the `uart_open` path, specifically via `tty_port_open`. The real question is: Is there any other *caller* of `uart_carrier_raised` besides the direct path through the `uart_open` chain? If there were, that would dramatically shift my risk assessment. We need to trace this function back and see how else it can be triggered.



25/2 2026/05/16 01:55 tool codesearch-find-references
0m Args:
map[Name:uart_carrier_raised]

Results:
map[References:<nil> TruncatedOutput:false]

26/2 2026/05/16 01:55 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 82035
							output: 25
							thoughts: 174
						

Thoughts:
**Analyzing the Serial Driver's Carrier Detection**

Okay, let me trace this down. `uart_carrier_raised`... right, that's a *static* function declared within `serial_core.c`. Ah, there it is! It's specifically assigned to the `carrier_raised` operation within the `tty_port_operations` struct, which is used to initialize the `tty_port_operations` for serial port management.

Specifically, I see it's linked in like this:

```c
static const struct tty_port_operations uart_port_ops = {
	.carrier_raised = uart_carrier_raised,
	.dtr_rts	= uart_dtr_rts,
	.activate	= uart_port_activate,
	.shutdown	= uart_tty_port_shutdown,
};
```

So, `uart_carrier_raised` provides the implementation for carrier detection for a UART port. Now, where is this `carrier_raised` operation *used*? I remember it's called from `tty_port_block_til_ready` and `tty_port_carrier_raised`. I need to ensure that I have covered all the callers of `tty_port_carrier_raised`. I'll want to double-check that this is the *only* place it's called from within the driver. This is important to ensure I have accounted for every possible scenario for carrier detection and avoid race conditions or unexpected behavior.



27/2 2026/05/16 01:55 tool codesearch-find-references
0m Args:
map[Name:tty_port_carrier_raised]

Results:
map[References:[map[ReferenceKind:calls ReferencingEntityKind:function ReferencingEntityName:tty_port_block_til_ready SourceFile:drivers/tty/tty_port.c SourceLine:538]] TruncatedOutput:false]

28/2 2026/05/16 01:55 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 82631
							output: 23
							thoughts: 1102
						

Thoughts:
**Analysis of the Lockdep Warning**

Okay, let's break this down systematically. The lockdep warning originates from `tty_port_block_til_ready`, which in turn is called from `tty_port_open`. This means the vulnerability is triggered *only* during the `open()` call of a serial port. Therefore, to even get close to triggering this, someone needs to open a serial port. Since unprivileged users generally can't open serial ports directly, that limits our attack surface from the start.

So, could a VM guest somehow cause this on the host? No, the guest doesn't have the appropriate access. What about the host side in a confidential computing scenario? Still a no.

Let's think about a peripheral trigger: an attacker plugs in a USB serial device. This *would* create a new serial port, say `/dev/ttyUSB0`. The problem? The attacker still needs to *open* it and configure it. Does the kernel auto-magically open and set `N_SYNC_PPP` on plug-in? No. ModemManager might probe it, but it doesn't set `N_SYNC_PPP`. So just plugging in the USB device won't do it. The attacker would have to run some code to open it, set the line discipline, and that requires either root privileges or udev permissions, which are usually not granted to regular users. The peripheral trigger looks unlikely.

Alright, a quick review: it's a lockdep *warning*, which means it's about a deadlock. Is it exploitable beyond causing a Denial of Service? No. It's not a memory corruption or privilege escalation, just a DoS. So:

*   Exploitable: No.
*   Denial of Service: Yes.
*   Unprivileged access: No.
*   User namespace: No.
*   VM guest: No.
*   VM host: No.
*   Network: No.
*   Other remote: No.
*   Peripheral: No.
*   Filesystem: No.

But, wait... let's think a bit laterally. What if `N_SYNC_PPP` is used on a PTY? An unprivileged user could create a PTY, set `N_SYNC_PPP`, and call `ppp_synctty_ioctl`. That would lead them to acquire `read_lock(&disc_data_lock)`. Now, what if a privileged process (like some system daemon) *also* opens a serial port configured with `N_SYNC_PPP` at the same time? It'll call `tty_port_block_til_ready`, then `uart_carrier_raised`, acquire `port_lock_key`, and call `sp_get`, which also grabs `read_lock(&disc_data_lock)`.

Since both locks are reads, this *shouldn't* cause a deadlock, unless a writer is waiting. And a writer is `ppp_sync_close`, which gets called when a TTY with `N_SYNC_PPP` is closed or its line discipline changes. So, if an unprivileged user is repeatedly opening/closing a PTY with `N_SYNC_PPP`, they're generating write requests on `disc_data_lock`. If the system daemon *concurrently* tries to open a serial port with `N_SYNC_PPP`, it *could* block on `disc_data_lock` while *holding* `port_lock_key`. Then, if an interrupt happens on the serial port, the interrupt handler will block on `port_lock_key` and we have a deadlock.

But... that means the system daemon has to open a serial port *already* configured with `N_SYNC_PPP`. How does that happen? `pppd` usually does that. Would `pppd` open the port *again* while it's running? Very unlikely. So this concurrent scenario is super rare. Even if it *does* happen, configuring the serial port with `N_SYNC_PPP` in the first place would need root privileges. So, the unprivileged user can't trigger this on their own. They can only make this deadlock *more* probable, but only *if* a root process is already doing something very specific. Ultimately, not really accessible to unprivileged users.

Let me double-check that `disc_data_lock` isn't used somewhere else which could be relevant here, but I think that's it.



29/2 2026/05/16 01:56 tool codesearch-find-references
0m Args:
map[Name:disc_data_lock]

Results:
map[References:<nil> TruncatedOutput:false]

30/2 2026/05/16 01:56 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 84729
							output: 26
							thoughts: 55
						

Thoughts:
Here's my summary, as the expert:

**Investigating a Potential Race Condition**

Okay, so I'm digging into this code, and the alarm bells are going off. The variable `disc_data_lock` is popping up as a static variable in both `drivers/net/ppp/ppp_synctty.c` *and* `drivers/net/ppp/ppp_async.c`. My spidey-sense is tingling – this screams potential race condition. We've got two different code paths, likely running concurrently, both possibly accessing this shared static variable. This requires careful scrutiny. I need to understand how each driver interacts with this lock and what data it's protecting. Let's start by digging deeper into `ppp_async.c`. That's where I need to focus my attention first to investigate this potential shared-resource issue.



31/2 2026/05/16 01:56 tool read-file
0m Args:
map[File:drivers/net/ppp/ppp_async.c]

Results:
map[Contents:// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * PPP async serial channel driver for Linux.
 *
 * Copyright 1999 Paul Mackerras.
 *
 * This driver provides the encapsulation and framing for sending
 * and receiving PPP frames over async serial lines.  It relies on
 * the generic PPP layer to give it frames to send and to process
 * received frames.  It implements the PPP line discipline.
 *
 * Part of the code in this driver was inspired by the old async-only
 * PPP driver, written by Michael Callahan and Al Longyear, and
 * subsequently hacked by Paul Mackerras.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/skbuff.h>
#include <linux/tty.h>
#include <linux/netdevice.h>
#include <linux/poll.h>
#include <linux/crc-ccitt.h>
#include <linux/ppp_defs.h>
#include <linux/ppp-ioctl.h>
#include <linux/ppp_channel.h>
#include <linux/spinlock.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/jiffies.h>
#include <linux/slab.h>
#include <linux/unaligned.h>
#include <linux/uaccess.h>
#include <asm/string.h>

#define PPP_VERSION	"2.4.2"

#define OBUFSIZE	4096

/* Structure for storing local state. */
struct asyncppp {
	struct tty_struct *tty;
	unsigned int	flags;
	unsigned int	state;
	unsigned int	rbits;
	int		mru;
	spinlock_t	xmit_lock;
	spinlock_t	recv_lock;
	unsigned long	xmit_flags;
	u32		xaccm[8];
	u32		raccm;
	unsigned int	bytes_sent;
	unsigned int	bytes_rcvd;

	struct sk_buff	*tpkt;
	int		tpkt_pos;
	u16		tfcs;
	unsigned char	*optr;
	unsigned char	*olim;
	unsigned long	last_xmit;

	struct sk_buff	*rpkt;
	int		lcp_fcs;
	struct sk_buff_head rqueue;

	struct tasklet_struct tsk;

	refcount_t	refcnt;
	struct completion dead;
	struct ppp_channel chan;	/* interface to generic ppp layer */
	unsigned char	obuf[OBUFSIZE];
};

/* Bit numbers in xmit_flags */
#define XMIT_WAKEUP	0
#define XMIT_FULL	1
#define XMIT_BUSY	2

/* State bits */
#define SC_TOSS		1
#define SC_ESCAPE	2
#define SC_PREV_ERROR	4

/* Bits in rbits */
#define SC_RCV_BITS	(SC_RCV_B7_1|SC_RCV_B7_0|SC_RCV_ODDP|SC_RCV_EVNP)

static int flag_time = HZ;
module_param(flag_time, int, 0);
MODULE_PARM_DESC(flag_time, "ppp_async: interval between flagged packets (in clock ticks)");
MODULE_DESCRIPTION("PPP async serial channel module");
MODULE_LICENSE("GPL");
MODULE_ALIAS_LDISC(N_PPP);

/*
 * Prototypes.
 */
static int ppp_async_encode(struct asyncppp *ap);
static int ppp_async_send(struct ppp_channel *chan, struct sk_buff *skb);
static int ppp_async_push(struct asyncppp *ap);
static void ppp_async_flush_output(struct asyncppp *ap);
static void ppp_async_input(struct asyncppp *ap, const unsigned char *buf,
			    const u8 *flags, int count);
static int ppp_async_ioctl(struct ppp_channel *chan, unsigned int cmd,
			   unsigned long arg);
static void ppp_async_process(struct tasklet_struct *t);

static void async_lcp_peek(struct asyncppp *ap, unsigned char *data,
			   int len, int inbound);

static const struct ppp_channel_ops async_ops = {
	.start_xmit = ppp_async_send,
	.ioctl      = ppp_async_ioctl,
};

/*
 * Routines implementing the PPP line discipline.
 */

/*
 * We have a potential race on dereferencing tty->disc_data,
 * because the tty layer provides no locking at all - thus one
 * cpu could be running ppp_asynctty_receive while another
 * calls ppp_asynctty_close, which zeroes tty->disc_data and
 * frees the memory that ppp_asynctty_receive is using.  The best
 * way to fix this is to use a rwlock in the tty struct, but for now
 * we use a single global rwlock for all ttys in ppp line discipline.
 *
 * FIXME: this is no longer true. The _close path for the ldisc is
 * now guaranteed to be sane.
 */
static DEFINE_RWLOCK(disc_data_lock);

static struct asyncppp *ap_get(struct tty_struct *tty)
{
	struct asyncppp *ap;

	read_lock(&disc_data_lock);
	ap = tty->disc_data;
	if (ap != NULL)
		refcount_inc(&ap->refcnt);
	read_unlock(&disc_data_lock);
	return ap;
}

static void ap_put(struct asyncppp *ap)
{
	if (refcount_dec_and_test(&ap->refcnt))
		complete(&ap->dead);
}

/*
 * Called when a tty is put into PPP line discipline. Called in process
 * context.
 */
static int
ppp_asynctty_open(struct tty_struct *tty)
{
	struct asyncppp *ap;
	int err;
	int speed;

	if (tty->ops->write == NULL)
		return -EOPNOTSUPP;

	err = -ENOMEM;
	ap = kzalloc_obj(*ap);
	if (!ap)
		goto out;

	/* initialize the asyncppp structure */
	ap->tty = tty;
	ap->mru = PPP_MRU;
	spin_lock_init(&ap->xmit_lock);
	spin_lock_init(&ap->recv_lock);
	ap->xaccm[0] = ~0U;
	ap->xaccm[3] = 0x60000000U;
	ap->raccm = ~0U;
	ap->optr = ap->obuf;
	ap->olim = ap->obuf;
	ap->lcp_fcs = -1;

	skb_queue_head_init(&ap->rqueue);
	tasklet_setup(&ap->tsk, ppp_async_process);

	refcount_set(&ap->refcnt, 1);
	init_completion(&ap->dead);

	ap->chan.private = ap;
	ap->chan.ops = &async_ops;
	ap->chan.mtu = PPP_MRU;
	speed = tty_get_baud_rate(tty);
	ap->chan.speed = speed;
	err = ppp_register_channel(&ap->chan);
	if (err)
		goto out_free;

	tty->disc_data = ap;
	tty->receive_room = 65536;
	return 0;

 out_free:
	kfree(ap);
 out:
	return err;
}

/*
 * Called when the tty is put into another line discipline
 * or it hangs up.  We have to wait for any cpu currently
 * executing in any of the other ppp_asynctty_* routines to
 * finish before we can call ppp_unregister_channel and free
 * the asyncppp struct.  This routine must be called from
 * process context, not interrupt or softirq context.
 */
static void
ppp_asynctty_close(struct tty_struct *tty)
{
	struct asyncppp *ap;

	write_lock_irq(&disc_data_lock);
	ap = tty->disc_data;
	tty->disc_data = NULL;
	write_unlock_irq(&disc_data_lock);
	if (!ap)
		return;

	/*
	 * We have now ensured that nobody can start using ap from now
	 * on, but we have to wait for all existing users to finish.
	 * Note that ppp_unregister_channel ensures that no calls to
	 * our channel ops (i.e. ppp_async_send/ioctl) are in progress
	 * by the time it returns.
	 */
	if (!refcount_dec_and_test(&ap->refcnt))
		wait_for_completion(&ap->dead);
	tasklet_kill(&ap->tsk);

	ppp_unregister_channel(&ap->chan);
	kfree_skb(ap->rpkt);
	skb_queue_purge(&ap->rqueue);
	kfree_skb(ap->tpkt);
	kfree(ap);
}

/*
 * Called on tty hangup in process context.
 *
 * Wait for I/O to driver to complete and unregister PPP channel.
 * This is already done by the close routine, so just call that.
 */
static void ppp_asynctty_hangup(struct tty_struct *tty)
{
	ppp_asynctty_close(tty);
}

/*
 * Read does nothing - no data is ever available this way.
 * Pppd reads and writes packets via /dev/ppp instead.
 */
static ssize_t
ppp_asynctty_read(struct tty_struct *tty, struct file *file, u8 *buf,
		  size_t count, void **cookie, unsigned long offset)
{
	return -EAGAIN;
}

/*
 * Write on the tty does nothing, the packets all come in
 * from the ppp generic stuff.
 */
static ssize_t
ppp_asynctty_write(struct tty_struct *tty, struct file *file, const u8 *buf,
		   size_t count)
{
	return -EAGAIN;
}

/*
 * Called in process context only. May be re-entered by multiple
 * ioctl calling threads.
 */

static int
ppp_asynctty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
{
	struct asyncppp *ap = ap_get(tty);
	int err, val;
	int __user *p = (int __user *)arg;

	if (!ap)
		return -ENXIO;
	err = -EFAULT;
	switch (cmd) {
	case PPPIOCGCHAN:
		err = -EFAULT;
		if (put_user(ppp_channel_index(&ap->chan), p))
			break;
		err = 0;
		break;

	case PPPIOCGUNIT:
		err = -EFAULT;
		if (put_user(ppp_unit_number(&ap->chan), p))
			break;
		err = 0;
		break;

	case TCFLSH:
		/* flush our buffers and the serial port's buffer */
		if (arg == TCIOFLUSH || arg == TCOFLUSH)
			ppp_async_flush_output(ap);
		err = n_tty_ioctl_helper(tty, cmd, arg);
		break;

	case FIONREAD:
		val = 0;
		if (put_user(val, p))
			break;
		err = 0;
		break;

	default:
		/* Try the various mode ioctls */
		err = tty_mode_ioctl(tty, cmd, arg);
	}

	ap_put(ap);
	return err;
}

/* May sleep, don't call from interrupt level or with interrupts disabled */
static void
ppp_asynctty_receive(struct tty_struct *tty, const u8 *buf, const u8 *cflags,
		     size_t count)
{
	struct asyncppp *ap = ap_get(tty);
	unsigned long flags;

	if (!ap)
		return;
	spin_lock_irqsave(&ap->recv_lock, flags);
	ppp_async_input(ap, buf, cflags, count);
	spin_unlock_irqrestore(&ap->recv_lock, flags);
	if (!skb_queue_empty(&ap->rqueue))
		tasklet_schedule(&ap->tsk);
	ap_put(ap);
	tty_unthrottle(tty);
}

static void
ppp_asynctty_wakeup(struct tty_struct *tty)
{
	struct asyncppp *ap = ap_get(tty);

	clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
	if (!ap)
		return;
	set_bit(XMIT_WAKEUP, &ap->xmit_flags);
	tasklet_schedule(&ap->tsk);
	ap_put(ap);
}


static struct tty_ldisc_ops ppp_ldisc = {
	.owner  = THIS_MODULE,
	.num	= N_PPP,
	.name	= "ppp",
	.open	= ppp_asynctty_open,
	.close	= ppp_asynctty_close,
	.hangup	= ppp_asynctty_hangup,
	.read	= ppp_asynctty_read,
	.write	= ppp_asynctty_write,
	.ioctl	= ppp_asynctty_ioctl,
	.receive_buf = ppp_asynctty_receive,
	.write_wakeup = ppp_asynctty_wakeup,
};

static int __init
ppp_async_init(void)
{
	int err;

	err = tty_register_ldisc(&ppp_ldisc);
	if (err != 0)
		printk(KERN_ERR "PPP_async: error %d registering line disc.\n",
		       err);
	return err;
}

/*
 * The following routines provide the PPP channel interface.
 */
static int
ppp_async_ioctl(struct ppp_channel *chan, unsigned int cmd, unsigned long arg)
{
	struct asyncppp *ap = chan->private;
	void __user *argp = (void __user *)arg;
	int __user *p = argp;
	int err, val;
	u32 accm[8];

	err = -EFAULT;
	switch (cmd) {
	case PPPIOCGFLAGS:
		val = ap->flags | ap->rbits;
		if (put_user(val, p))
			break;
		err = 0;
		break;
	case PPPIOCSFLAGS:
		if (get_user(val, p))
			break;
		ap->flags = val & ~SC_RCV_BITS;
		spin_lock_irq(&ap->recv_lock);
		ap->rbits = val & SC_RCV_BITS;
		spin_unlock_irq(&ap->recv_lock);
		err = 0;
		break;

	case PPPIOCGASYNCMAP:
		if (put_user(ap->xaccm[0], (u32 __user *)argp))
			break;
		err = 0;
		break;
	case PPPIOCSASYNCMAP:
		if (get_user(ap->xaccm[0], (u32 __user *)argp))
			break;
		err = 0;
		break;

	case PPPIOCGRASYNCMAP:
		if (put_user(ap->raccm, (u32 __user *)argp))
			break;
		err = 0;
		break;
	case PPPIOCSRASYNCMAP:
		if (get_user(ap->raccm, (u32 __user *)argp))
			break;
		err = 0;
		break;

	case PPPIOCGXASYNCMAP:
		if (copy_to_user(argp, ap->xaccm, sizeof(ap->xaccm)))
			break;
		err = 0;
		break;
	case PPPIOCSXASYNCMAP:
		if (copy_from_user(accm, argp, sizeof(accm)))
			break;
		accm[2] &= ~0x40000000U;	/* can't escape 0x5e */
		accm[3] |= 0x60000000U;		/* must escape 0x7d, 0x7e */
		memcpy(ap->xaccm, accm, sizeof(ap->xaccm));
		err = 0;
		break;

	case PPPIOCGMRU:
		if (put_user(ap->mru, p))
			break;
		err = 0;
		break;
	case PPPIOCSMRU:
		if (get_user(val, p))
			break;
		if (val > U16_MAX) {
			err = -EINVAL;
			break;
		}
		if (val < PPP_MRU)
			val = PPP_MRU;
		ap->mru = val;
		err = 0;
		break;

	default:
		err = -ENOTTY;
	}

	return err;
}

/*
 * This is called at softirq level to deliver received packets
 * to the ppp_generic code, and to tell the ppp_generic code
 * if we can accept more output now.
 */
static void ppp_async_process(struct tasklet_struct *t)
{
	struct asyncppp *ap = from_tasklet(ap, t, tsk);
	struct sk_buff *skb;

	/* process received packets */
	while ((skb = skb_dequeue(&ap->rqueue)) != NULL) {
		if (skb->cb[0])
			ppp_input_error(&ap->chan, 0);
		ppp_input(&ap->chan, skb);
	}

	/* try to push more stuff out */
	if (test_bit(XMIT_WAKEUP, &ap->xmit_flags) && ppp_async_push(ap))
		ppp_output_wakeup(&ap->chan);
}

/*
 * Procedures for encapsulation and framing.
 */

/*
 * Procedure to encode the data for async serial transmission.
 * Does octet stuffing (escaping), puts the address/control bytes
 * on if A/C compression is disabled, and does protocol compression.
 * Assumes ap->tpkt != 0 on entry.
 * Returns 1 if we finished the current frame, 0 otherwise.
 */

#define PUT_BYTE(ap, buf, c, islcp)	do {		\
	if ((islcp && c < 0x20) || (ap->xaccm[c >> 5] & (1 << (c & 0x1f)))) {\
		*buf++ = PPP_ESCAPE;			\
		*buf++ = c ^ PPP_TRANS;			\
	} else						\
		*buf++ = c;				\
} while (0)

static int
ppp_async_encode(struct asyncppp *ap)
{
	int fcs, i, count, c, proto;
	unsigned char *buf, *buflim;
	unsigned char *data;
	int islcp;

	buf = ap->obuf;
	ap->olim = buf;
	ap->optr = buf;
	i = ap->tpkt_pos;
	data = ap->tpkt->data;
	count = ap->tpkt->len;
	fcs = ap->tfcs;
	proto = get_unaligned_be16(data);

	/*
	 * LCP packets with code values between 1 (configure-request)
	 * and 7 (code-reject) must be sent as though no options
	 * had been negotiated.
	 */
	islcp = proto == PPP_LCP && count >= 3 && 1 <= data[2] && data[2] <= 7;

	if (i == 0) {
		if (islcp)
			async_lcp_peek(ap, data, count, 0);

		/*
		 * Start of a new packet - insert the leading FLAG
		 * character if necessary.
		 */
		if (islcp || flag_time == 0 ||
		    time_after_eq(jiffies, ap->last_xmit + flag_time))
			*buf++ = PPP_FLAG;
		ap->last_xmit = jiffies;
		fcs = PPP_INITFCS;

		/*
		 * Put in the address/control bytes if necessary
		 */
		if ((ap->flags & SC_COMP_AC) == 0 || islcp) {
			PUT_BYTE(ap, buf, 0xff, islcp);
			fcs = PPP_FCS(fcs, 0xff);
			PUT_BYTE(ap, buf, 0x03, islcp);
			fcs = PPP_FCS(fcs, 0x03);
		}
	}

	/*
	 * Once we put in the last byte, we need to put in the FCS
	 * and closing flag, so make sure there is at least 7 bytes
	 * of free space in the output buffer.
	 */
	buflim = ap->obuf + OBUFSIZE - 6;
	while (i < count && buf < buflim) {
		c = data[i++];
		if (i == 1 && c == 0 && (ap->flags & SC_COMP_PROT))
			continue;	/* compress protocol field */
		fcs = PPP_FCS(fcs, c);
		PUT_BYTE(ap, buf, c, islcp);
	}

	if (i < count) {
		/*
		 * Remember where we are up to in this packet.
		 */
		ap->olim = buf;
		ap->tpkt_pos = i;
		ap->tfcs = fcs;
		return 0;
	}

	/*
	 * We have finished the packet.  Add the FCS and flag.
	 */
	fcs = ~fcs;
	c = fcs & 0xff;
	PUT_BYTE(ap, buf, c, islcp);
	c = (fcs >> 8) & 0xff;
	PUT_BYTE(ap, buf, c, islcp);
	*buf++ = PPP_FLAG;
	ap->olim = buf;

	consume_skb(ap->tpkt);
	ap->tpkt = NULL;
	return 1;
}

/*
 * Transmit-side routines.
 */

/*
 * Send a packet to the peer over an async tty line.
 * Returns 1 iff the packet was accepted.
 * If the packet was not accepted, we will call ppp_output_wakeup
 * at some later time.
 */
static int
ppp_async_send(struct ppp_channel *chan, struct sk_buff *skb)
{
	struct asyncppp *ap = chan->private;

	ppp_async_push(ap);

	if (test_and_set_bit(XMIT_FULL, &ap->xmit_flags))
		return 0;	/* already full */
	ap->tpkt = skb;
	ap->tpkt_pos = 0;

	ppp_async_push(ap);
	return 1;
}

/*
 * Push as much data as possible out to the tty.
 */
static int
ppp_async_push(struct asyncppp *ap)
{
	int avail, sent, done = 0;
	struct tty_struct *tty = ap->tty;
	int tty_stuffed = 0;

	/*
	 * We can get called recursively here if the tty write
	 * function calls our wakeup function.  This can happen
	 * for example on a pty with both the master and slave
	 * set to PPP line discipline.
	 * We use the XMIT_BUSY bit to detect this and get out,
	 * leaving the XMIT_WAKEUP bit set to tell the other
	 * instance that it may now be able to write more now.
	 */
	if (test_and_set_bit(XMIT_BUSY, &ap->xmit_flags))
		return 0;
	spin_lock_bh(&ap->xmit_lock);
	for (;;) {
		if (test_and_clear_bit(XMIT_WAKEUP, &ap->xmit_flags))
			tty_stuffed = 0;
		if (!tty_stuffed && ap->optr < ap->olim) {
			avail = ap->olim - ap->optr;
			set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
			sent = tty->ops->write(tty, ap->optr, avail);
			if (sent < 0)
				goto flush;	/* error, e.g. loss of CD */
			ap->optr += sent;
			if (sent < avail)
				tty_stuffed = 1;
			continue;
		}
		if (ap->optr >= ap->olim && ap->tpkt) {
			if (ppp_async_encode(ap)) {
				/* finished processing ap->tpkt */
				clear_bit(XMIT_FULL, &ap->xmit_flags);
				done = 1;
			}
			continue;
		}
		/*
		 * We haven't made any progress this time around.
		 * Clear XMIT_BUSY to let other callers in, but
		 * after doing so we have to check if anyone set
		 * XMIT_WAKEUP since we last checked it.  If they
		 * did, we should try again to set XMIT_BUSY and go
		 * around again in case XMIT_BUSY was still set when
		 * the other caller tried.
		 */
		clear_bit(XMIT_BUSY, &ap->xmit_flags);
		/* any more work to do? if not, exit the loop */
		if (!(test_bit(XMIT_WAKEUP, &ap->xmit_flags) ||
		      (!tty_stuffed && ap->tpkt)))
			break;
		/* more work to do, see if we can do it now */
		if (test_and_set_bit(XMIT_BUSY, &ap->xmit_flags))
			break;
	}
	spin_unlock_bh(&ap->xmit_lock);
	return done;

flush:
	clear_bit(XMIT_BUSY, &ap->xmit_flags);
	if (ap->tpkt) {
		kfree_skb(ap->tpkt);
		ap->tpkt = NULL;
		clear_bit(XMIT_FULL, &ap->xmit_flags);
		done = 1;
	}
	ap->optr = ap->olim;
	spin_unlock_bh(&ap->xmit_lock);
	return done;
}

/*
 * Flush output from our internal buffers.
 * Called for the TCFLSH ioctl. Can be entered in parallel
 * but this is covered by the xmit_lock.
 */
static void
ppp_async_flush_output(struct asyncppp *ap)
{
	int done = 0;

	spin_lock_bh(&ap->xmit_lock);
	ap->optr = ap->olim;
	if (ap->tpkt != NULL) {
		kfree_skb(ap->tpkt);
		ap->tpkt = NULL;
		clear_bit(XMIT_FULL, &ap->xmit_flags);
		done = 1;
	}
	spin_unlock_bh(&ap->xmit_lock);
	if (done)
		ppp_output_wakeup(&ap->chan);
}

/*
 * Receive-side routines.
 */

/* see how many ordinary chars there are at the start of buf */
static inline int
scan_ordinary(struct asyncppp *ap, const unsigned char *buf, int count)
{
	int i, c;

	for (i = 0; i < count; ++i) {
		c = buf[i];
		if (c == PPP_ESCAPE || c == PPP_FLAG ||
		    (c < 0x20 && (ap->raccm & (1 << c)) != 0))
			break;
	}
	return i;
}

/* called when a flag is seen - do end-of-packet processing */
static void
process_input_packet(struct asyncppp *ap)
{
	struct sk_buff *skb;
	unsigned char *p;
	unsigned int len, fcs;

	skb = ap->rpkt;
	if (ap->state & (SC_TOSS | SC_ESCAPE))
		goto err;

	if (skb == NULL)
		return;		/* 0-length packet */

	/* check the FCS */
	p = skb->data;
	len = skb->len;
	if (len < 3)
		goto err;	/* too short */
	fcs = PPP_INITFCS;
	for (; len > 0; --len)
		fcs = PPP_FCS(fcs, *p++);
	if (fcs != PPP_GOODFCS)
		goto err;	/* bad FCS */
	skb_trim(skb, skb->len - 2);

	/* check for address/control and protocol compression */
	p = skb->data;
	if (p[0] == PPP_ALLSTATIONS) {
		/* chop off address/control */
		if (p[1] != PPP_UI || skb->len < 3)
			goto err;
		p = skb_pull(skb, 2);
	}

	/* If protocol field is not compressed, it can be LCP packet */
	if (!(p[0] & 0x01)) {
		unsigned int proto;

		if (skb->len < 2)
			goto err;
		proto = (p[0] << 8) + p[1];
		if (proto == PPP_LCP)
			async_lcp_peek(ap, p, skb->len, 1);
	}

	/* queue the frame to be processed */
	skb->cb[0] = ap->state;
	skb_queue_tail(&ap->rqueue, skb);
	ap->rpkt = NULL;
	ap->state = 0;
	return;

 err:
	/* frame had an error, remember that, reset SC_TOSS & SC_ESCAPE */
	ap->state = SC_PREV_ERROR;
	if (skb) {
		/* make skb appear as freshly allocated */
		skb_trim(skb, 0);
		skb_reserve(skb, - skb_headroom(skb));
	}
}

/* Called when the tty driver has data for us. Runs parallel with the
   other ldisc functions but will not be re-entered */

static void
ppp_async_input(struct asyncppp *ap, const u8 *buf, const u8 *flags, int count)
{
	struct sk_buff *skb;
	int c, i, j, n, s, f;
	unsigned char *sp;

	/* update bits used for 8-bit cleanness detection */
	if (~ap->rbits & SC_RCV_BITS) {
		s = 0;
		for (i = 0; i < count; ++i) {
			c = buf[i];
			if (flags && flags[i] != 0)
				continue;
			s |= (c & 0x80)? SC_RCV_B7_1: SC_RCV_B7_0;
			c = ((c >> 4) ^ c) & 0xf;
			s |= (0x6996 & (1 << c))? SC_RCV_ODDP: SC_RCV_EVNP;
		}
		ap->rbits |= s;
	}

	while (count > 0) {
		/* scan through and see how many chars we can do in bulk */
		if ((ap->state & SC_ESCAPE) && buf[0] == PPP_ESCAPE)
			n = 1;
		else
			n = scan_ordinary(ap, buf, count);

		f = 0;
		if (flags && (ap->state & SC_TOSS) == 0) {
			/* check the flags to see if any char had an error */
			for (j = 0; j < n; ++j)
				if ((f = flags[j]) != 0)
					break;
		}
		if (f != 0) {
			/* start tossing */
			ap->state |= SC_TOSS;

		} else if (n > 0 && (ap->state & SC_TOSS) == 0) {
			/* stuff the chars in the skb */
			skb = ap->rpkt;
			if (!skb) {
				skb = dev_alloc_skb(ap->mru + PPP_HDRLEN + 2);
				if (!skb)
					goto nomem;
				ap->rpkt = skb;
			}
			if (skb->len == 0) {
				/* Try to get the payload 4-byte aligned.
				 * This should match the
				 * PPP_ALLSTATIONS/PPP_UI/compressed tests in
				 * process_input_packet, but we do not have
				 * enough chars here to test buf[1] and buf[2].
				 */
				if (buf[0] != PPP_ALLSTATIONS)
					skb_reserve(skb, 2 + (buf[0] & 1));
			}
			if (n > skb_tailroom(skb)) {
				/* packet overflowed MRU */
				ap->state |= SC_TOSS;
			} else {
				sp = skb_put_data(skb, buf, n);
				if (ap->state & SC_ESCAPE) {
					sp[0] ^= PPP_TRANS;
					ap->state &= ~SC_ESCAPE;
				}
			}
		}

		if (n >= count)
			break;

		c = buf[n];
		if (flags != NULL && flags[n] != 0) {
			ap->state |= SC_TOSS;
		} else if (c == PPP_FLAG) {
			process_input_packet(ap);
		} else if (c == PPP_ESCAPE) {
			ap->state |= SC_ESCAPE;
		} else if (I_IXON(ap->tty)) {
			if (c == START_CHAR(ap->tty))
				start_tty(ap->tty);
			else if (c == STOP_CHAR(ap->tty))
				stop_tty(ap->tty);
		}
		/* otherwise it's a char in the recv ACCM */
		++n;

		buf += n;
		if (flags)
			flags += n;
		count -= n;
	}
	return;

 nomem:
	printk(KERN_ERR "PPPasync: no memory (input pkt)\n");
	ap->state |= SC_TOSS;
}

/*
 * We look at LCP frames going past so that we can notice
 * and react to the LCP configure-ack from the peer.
 * In the situation where the peer has been sent a configure-ack
 * already, LCP is up once it has sent its configure-ack
 * so the immediately following packet can be sent with the
 * configured LCP options.  This allows us to process the following
 * packet correctly without pppd needing to respond quickly.
 *
 * We only respond to the received configure-ack if we have just
 * sent a configure-request, and the configure-ack contains the
 * same data (this is checked using a 16-bit crc of the data).
 */
#define CONFREQ		1	/* LCP code field values */
#define CONFACK		2
#define LCP_MRU		1	/* LCP option numbers */
#define LCP_ASYNCMAP	2

static void async_lcp_peek(struct asyncppp *ap, unsigned char *data,
			   int len, int inbound)
{
	int dlen, fcs, i, code;
	u32 val;

	data += 2;		/* skip protocol bytes */
	len -= 2;
	if (len < 4)		/* 4 = code, ID, length */
		return;
	code = data[0];
	if (code != CONFACK && code != CONFREQ)
		return;
	dlen = get_unaligned_be16(data + 2);
	if (len < dlen)
		return;		/* packet got truncated or length is bogus */

	if (code == (inbound? CONFACK: CONFREQ)) {
		/*
		 * sent confreq or received confack:
		 * calculate the crc of the data from the ID field on.
		 */
		fcs = PPP_INITFCS;
		for (i = 1; i < dlen; ++i)
			fcs = PPP_FCS(fcs, data[i]);

		if (!inbound) {
			/* outbound confreq - remember the crc for later */
			ap->lcp_fcs = fcs;
			return;
		}

		/* received confack, check the crc */
		fcs ^= ap->lcp_fcs;
		ap->lcp_fcs = -1;
		if (fcs != 0)
			return;
	} else if (inbound)
		return;	/* not interested in received confreq */

	/* process the options in the confack */
	data += 4;
	dlen -= 4;
	/* data[0] is code, data[1] is length */
	while (dlen >= 2 && dlen >= data[1] && data[1] >= 2) {
		switch (data[0]) {
		case LCP_MRU:
			val = get_unaligned_be16(data + 2);
			if (inbound)
				ap->mru = val;
			else
				ap->chan.mtu = val;
			break;
		case LCP_ASYNCMAP:
			val = get_unaligned_be32(data + 2);
			if (inbound)
				ap->raccm = val;
			else
				ap->xaccm[0] = val;
			break;
		}
		dlen -= data[1];
		data += data[1];
	}
}

static void __exit ppp_async_cleanup(void)
{
	tty_unregister_ldisc(&ppp_ldisc);
}

module_init(ppp_async_init);
module_exit(ppp_async_cleanup);
]

32/2 2026/05/16 01:56 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 94424
							output: 25
							thoughts: 1077
						

Thoughts:
**Analyzing the `ppp_async.c` Deadlock Vulnerability**

Okay, so I've been digging into this lockdep warning related to `disc_data_lock`. Initially, I noticed that `disc_data_lock` is declared as a global reader-writer lock in `ppp_async.c`. However, it's also declared in `ppp_synctty.c` using `static DEFINE_RWLOCK(disc_data_lock)`. That means they're distinct locks, despite having the same name. Lockdep is complaining about the one in `ppp_synctty.c`, specifically when `sp_get` is called.

`sp_get` is called from `ppp_synctty_ioctl`, `ppp_sync_receive`, and `ppp_sync_wakeup`. `ppp_sync_wakeup` is indirectly called by `tty_wakeup`, which leads us down the rabbit hole to `uart_write_wakeup`, `uart_handle_cts_change`, `serial8250_modem_status`, `serial8250_do_get_mctrl`, and finally `uart_carrier_raised`.

So, the potential deadlock hinges on `uart_carrier_raised` being invoked while a serial port uses `N_SYNC_PPP`.  The problem is, unprivileged users can't open serial ports directly to trigger this flow, so it seemed safe at first.

But then I considered PTYs. Could an unprivileged user open a PTY, set `N_SYNC_PPP` on it (if that's even possible), and then trigger `tty_wakeup`?  If they could, they'd end up calling `ppp_sync_wakeup`, then `sp_get`, and attempting to acquire `disc_data_lock`.  The key, though, is that PTYs *don't* use `port_lock_key`. The lockdep warning is specifically about the dependency `port_lock_key` -> `disc_data_lock`, which is what I'm interested in. The dependency is only established if a *serial port* with `N_SYNC_PPP` is involved, and `uart_carrier_raised` is triggered.

Therefore, the vulnerability *requires* root to configure `N_SYNC_PPP` on a serial port to establish this `port_lock_key` dependency. Without root action setting `N_SYNC_PPP` on a serial port, the dependency isn't created, lockdep stays silent, and the deadlock is impossible.

Now the question is, how common is `N_SYNC_PPP` on serial ports these days? It's for synchronous PPP, which is pretty rare. Even if it *is* used, an unprivileged user could only cause a deadlock if they can simultaneously acquire `disc_data_lock` via, say, a PTY, and wait for root to close the serial port.  But the critical dependency still needs to exist in the first place, or lockdep won't complain.

I then went through my thought process again, and it hit me - can `uart_carrier_raised` even be called on a PTY in the first place? No, it's part of `serial_core.c` and is specific to serial ports. PTYs use `pty_unix98_ops`, `ptm_unix98_ops`, or the default `tty_port_operations`, which don't define `carrier_raised`. I confirmed this by checking `pty.c` and confirming that PTYs initialize their ports with `tty_port_init` with `port->ops = NULL` or default ops. So, PTYs are out of the picture.

Lastly, I looked for other virtual serial ports. Can an unprivileged user create them? `pty`? Nope. `tty0`? Nope. What about `rfcomm` for Bluetooth serial? If an unprivileged user can create an RFCOMM TTY, does it use `serial_core`? I should check `net/bluetooth/rfcomm/tty.c` to see.



33/2 2026/05/16 01:56 tool read-file
0m Args:
map[File:net/bluetooth/rfcomm/tty.c]

Results:
map[Contents:/*
   RFCOMM implementation for Linux Bluetooth stack (BlueZ).
   Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com>
   Copyright (C) 2002 Marcel Holtmann <marcel@holtmann.org>

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License version 2 as
   published by the Free Software Foundation;

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
   IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
   CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

   ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
   COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
   SOFTWARE IS DISCLAIMED.
*/

/*
 * RFCOMM TTY.
 */

#include <linux/module.h>

#include <linux/tty.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/rfcomm.h>

#define RFCOMM_TTY_PORTS RFCOMM_MAX_DEV	/* whole lotta rfcomm devices */
#define RFCOMM_TTY_MAJOR 216		/* device node major id of the usb/bluetooth.c driver */
#define RFCOMM_TTY_MINOR 0

static DEFINE_MUTEX(rfcomm_ioctl_mutex);
static struct tty_driver *rfcomm_tty_driver;

struct rfcomm_dev {
	struct tty_port		port;
	struct list_head	list;

	char			name[12];
	int			id;
	unsigned long		flags;
	int			err;

	unsigned long		status;		/* don't export to userspace */

	bdaddr_t		src;
	bdaddr_t		dst;
	u8			channel;

	uint			modem_status;

	struct rfcomm_dlc	*dlc;

	struct device		*tty_dev;

	atomic_t		wmem_alloc;

	struct sk_buff_head	pending;
};

static LIST_HEAD(rfcomm_dev_list);
static DEFINE_MUTEX(rfcomm_dev_lock);

static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb);
static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err);
static void rfcomm_dev_modem_status(struct rfcomm_dlc *dlc, u8 v24_sig);

/* ---- Device functions ---- */

static void rfcomm_dev_destruct(struct tty_port *port)
{
	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);
	struct rfcomm_dlc *dlc = dev->dlc;

	BT_DBG("dev %p dlc %p", dev, dlc);

	rfcomm_dlc_lock(dlc);
	/* Detach DLC if it's owned by this dev */
	if (dlc->owner == dev)
		dlc->owner = NULL;
	rfcomm_dlc_unlock(dlc);

	rfcomm_dlc_put(dlc);

	if (dev->tty_dev)
		tty_unregister_device(rfcomm_tty_driver, dev->id);

	mutex_lock(&rfcomm_dev_lock);
	list_del(&dev->list);
	mutex_unlock(&rfcomm_dev_lock);

	kfree(dev);

	/* It's safe to call module_put() here because socket still
	   holds reference to this module. */
	module_put(THIS_MODULE);
}

/* device-specific initialization: open the dlc */
static int rfcomm_dev_activate(struct tty_port *port, struct tty_struct *tty)
{
	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);
	int err;

	err = rfcomm_dlc_open(dev->dlc, &dev->src, &dev->dst, dev->channel);
	if (err)
		set_bit(TTY_IO_ERROR, &tty->flags);
	return err;
}

/* we block the open until the dlc->state becomes BT_CONNECTED */
static bool rfcomm_dev_carrier_raised(struct tty_port *port)
{
	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);

	return (dev->dlc->state == BT_CONNECTED);
}

/* device-specific cleanup: close the dlc */
static void rfcomm_dev_shutdown(struct tty_port *port)
{
	struct rfcomm_dev *dev = container_of(port, struct rfcomm_dev, port);

	if (dev->tty_dev->parent)
		device_move(dev->tty_dev, NULL, DPM_ORDER_DEV_LAST);

	/* close the dlc */
	rfcomm_dlc_close(dev->dlc, 0);
}

static const struct tty_port_operations rfcomm_port_ops = {
	.destruct = rfcomm_dev_destruct,
	.activate = rfcomm_dev_activate,
	.shutdown = rfcomm_dev_shutdown,
	.carrier_raised = rfcomm_dev_carrier_raised,
};

static struct rfcomm_dev *__rfcomm_dev_lookup(int id)
{
	struct rfcomm_dev *dev;

	list_for_each_entry(dev, &rfcomm_dev_list, list)
		if (dev->id == id)
			return dev;

	return NULL;
}

static struct rfcomm_dev *rfcomm_dev_get(int id)
{
	struct rfcomm_dev *dev;

	mutex_lock(&rfcomm_dev_lock);

	dev = __rfcomm_dev_lookup(id);

	if (dev && !tty_port_get(&dev->port))
		dev = NULL;

	mutex_unlock(&rfcomm_dev_lock);

	return dev;
}

static void rfcomm_reparent_device(struct rfcomm_dev *dev)
{
	struct hci_dev *hdev;
	struct hci_conn *conn;

	hdev = hci_get_route(&dev->dst, &dev->src, BDADDR_BREDR);
	if (!hdev)
		return;

	/* The lookup results are unsafe to access without the
	 * hci device lock (FIXME: why is this not documented?)
	 */
	hci_dev_lock(hdev);
	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &dev->dst);

	/* Just because the acl link is in the hash table is no
	 * guarantee the sysfs device has been added ...
	 */
	if (conn && device_is_registered(&conn->dev))
		device_move(dev->tty_dev, &conn->dev, DPM_ORDER_DEV_AFTER_PARENT);

	hci_dev_unlock(hdev);
	hci_dev_put(hdev);
}

static ssize_t address_show(struct device *tty_dev,
			    struct device_attribute *attr, char *buf)
{
	struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
	return sysfs_emit(buf, "%pMR\n", &dev->dst);
}

static ssize_t channel_show(struct device *tty_dev,
			    struct device_attribute *attr, char *buf)
{
	struct rfcomm_dev *dev = dev_get_drvdata(tty_dev);
	return sysfs_emit(buf, "%d\n", dev->channel);
}

static DEVICE_ATTR_RO(address);
static DEVICE_ATTR_RO(channel);

static struct rfcomm_dev *__rfcomm_dev_add(struct rfcomm_dev_req *req,
					   struct rfcomm_dlc *dlc)
{
	struct rfcomm_dev *dev, *entry;
	struct list_head *head = &rfcomm_dev_list;
	int err = 0;

	dev = kzalloc_obj(struct rfcomm_dev);
	if (!dev)
		return ERR_PTR(-ENOMEM);

	mutex_lock(&rfcomm_dev_lock);

	if (req->dev_id < 0) {
		dev->id = 0;

		list_for_each_entry(entry, &rfcomm_dev_list, list) {
			if (entry->id != dev->id)
				break;

			dev->id++;
			head = &entry->list;
		}
	} else {
		dev->id = req->dev_id;

		list_for_each_entry(entry, &rfcomm_dev_list, list) {
			if (entry->id == dev->id) {
				err = -EADDRINUSE;
				goto out;
			}

			if (entry->id > dev->id - 1)
				break;

			head = &entry->list;
		}
	}

	if ((dev->id < 0) || (dev->id > RFCOMM_MAX_DEV - 1)) {
		err = -ENFILE;
		goto out;
	}

	sprintf(dev->name, "rfcomm%d", dev->id);

	list_add(&dev->list, head);

	bacpy(&dev->src, &req->src);
	bacpy(&dev->dst, &req->dst);
	dev->channel = req->channel;

	dev->flags = req->flags &
		((1 << RFCOMM_RELEASE_ONHUP) | (1 << RFCOMM_REUSE_DLC));

	tty_port_init(&dev->port);
	dev->port.ops = &rfcomm_port_ops;

	skb_queue_head_init(&dev->pending);

	rfcomm_dlc_lock(dlc);

	if (req->flags & (1 << RFCOMM_REUSE_DLC)) {
		struct sock *sk = dlc->owner;
		struct sk_buff *skb;

		BUG_ON(!sk);

		rfcomm_dlc_throttle(dlc);

		while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
			skb_orphan(skb);
			skb_queue_tail(&dev->pending, skb);
			atomic_sub(skb->len, &sk->sk_rmem_alloc);
		}
	}

	dlc->data_ready   = rfcomm_dev_data_ready;
	dlc->state_change = rfcomm_dev_state_change;
	dlc->modem_status = rfcomm_dev_modem_status;

	dlc->owner = dev;
	dev->dlc   = dlc;

	rfcomm_dev_modem_status(dlc, dlc->remote_v24_sig);

	rfcomm_dlc_unlock(dlc);

	/* It's safe to call __module_get() here because socket already
	   holds reference to this module. */
	__module_get(THIS_MODULE);

	mutex_unlock(&rfcomm_dev_lock);
	return dev;

out:
	mutex_unlock(&rfcomm_dev_lock);
	kfree(dev);
	return ERR_PTR(err);
}

static int rfcomm_dev_add(struct rfcomm_dev_req *req, struct rfcomm_dlc *dlc)
{
	struct rfcomm_dev *dev;
	struct device *tty;

	BT_DBG("id %d channel %d", req->dev_id, req->channel);

	dev = __rfcomm_dev_add(req, dlc);
	if (IS_ERR(dev)) {
		rfcomm_dlc_put(dlc);
		return PTR_ERR(dev);
	}

	tty = tty_port_register_device(&dev->port, rfcomm_tty_driver,
			dev->id, NULL);
	if (IS_ERR(tty)) {
		tty_port_put(&dev->port);
		return PTR_ERR(tty);
	}

	dev->tty_dev = tty;
	rfcomm_reparent_device(dev);
	dev_set_drvdata(dev->tty_dev, dev);

	if (device_create_file(dev->tty_dev, &dev_attr_address) < 0)
		BT_ERR("Failed to create address attribute");

	if (device_create_file(dev->tty_dev, &dev_attr_channel) < 0)
		BT_ERR("Failed to create channel attribute");

	return dev->id;
}

/* ---- Send buffer ---- */
static inline unsigned int rfcomm_room(struct rfcomm_dev *dev)
{
	struct rfcomm_dlc *dlc = dev->dlc;

	/* Limit the outstanding number of packets not yet sent to 40 */
	int pending = 40 - atomic_read(&dev->wmem_alloc);

	return max(0, pending) * dlc->mtu;
}

static void rfcomm_wfree(struct sk_buff *skb)
{
	struct rfcomm_dev *dev = (void *) skb->sk;
	atomic_dec(&dev->wmem_alloc);
	if (test_bit(RFCOMM_TTY_ATTACHED, &dev->flags))
		tty_port_tty_wakeup(&dev->port);
	tty_port_put(&dev->port);
}

static void rfcomm_set_owner_w(struct sk_buff *skb, struct rfcomm_dev *dev)
{
	tty_port_get(&dev->port);
	atomic_inc(&dev->wmem_alloc);
	skb->sk = (void *) dev;
	skb->destructor = rfcomm_wfree;
}

static struct sk_buff *rfcomm_wmalloc(struct rfcomm_dev *dev, unsigned long size, gfp_t priority)
{
	struct sk_buff *skb = alloc_skb(size, priority);
	if (skb)
		rfcomm_set_owner_w(skb, dev);
	return skb;
}

/* ---- Device IOCTLs ---- */

#define NOCAP_FLAGS ((1 << RFCOMM_REUSE_DLC) | (1 << RFCOMM_RELEASE_ONHUP))

static int __rfcomm_create_dev(struct sock *sk, void __user *arg)
{
	struct rfcomm_dev_req req;
	struct rfcomm_dlc *dlc;
	int id;

	if (copy_from_user(&req, arg, sizeof(req)))
		return -EFAULT;

	BT_DBG("sk %p dev_id %d flags 0x%x", sk, req.dev_id, req.flags);

	if (req.flags != NOCAP_FLAGS && !capable(CAP_NET_ADMIN))
		return -EPERM;

	if (req.flags & (1 << RFCOMM_REUSE_DLC)) {
		/* Socket must be connected */
		if (sk->sk_state != BT_CONNECTED)
			return -EBADFD;

		dlc = rfcomm_pi(sk)->dlc;
		rfcomm_dlc_hold(dlc);
	} else {
		/* Validate the channel is unused */
		dlc = rfcomm_dlc_exists(&req.src, &req.dst, req.channel);
		if (IS_ERR(dlc))
			return PTR_ERR(dlc);
		if (dlc)
			return -EBUSY;
		dlc = rfcomm_dlc_alloc(GFP_KERNEL);
		if (!dlc)
			return -ENOMEM;
	}

	id = rfcomm_dev_add(&req, dlc);
	if (id < 0)
		return id;

	if (req.flags & (1 << RFCOMM_REUSE_DLC)) {
		/* DLC is now used by device.
		 * Socket must be disconnected */
		sk->sk_state = BT_CLOSED;
	}

	return id;
}

static int __rfcomm_release_dev(void __user *arg)
{
	struct rfcomm_dev_req req;
	struct rfcomm_dev *dev;

	if (copy_from_user(&req, arg, sizeof(req)))
		return -EFAULT;

	BT_DBG("dev_id %d flags 0x%x", req.dev_id, req.flags);

	dev = rfcomm_dev_get(req.dev_id);
	if (!dev)
		return -ENODEV;

	if (dev->flags != NOCAP_FLAGS && !capable(CAP_NET_ADMIN)) {
		tty_port_put(&dev->port);
		return -EPERM;
	}

	/* only release once */
	if (test_and_set_bit(RFCOMM_DEV_RELEASED, &dev->status)) {
		tty_port_put(&dev->port);
		return -EALREADY;
	}

	if (req.flags & (1 << RFCOMM_HANGUP_NOW))
		rfcomm_dlc_close(dev->dlc, 0);

	/* Shut down TTY synchronously before freeing rfcomm_dev */
	tty_port_tty_vhangup(&dev->port);

	if (!test_bit(RFCOMM_TTY_OWNED, &dev->status))
		tty_port_put(&dev->port);

	tty_port_put(&dev->port);
	return 0;
}

static int rfcomm_create_dev(struct sock *sk, void __user *arg)
{
	int ret;

	mutex_lock(&rfcomm_ioctl_mutex);
	ret = __rfcomm_create_dev(sk, arg);
	mutex_unlock(&rfcomm_ioctl_mutex);

	return ret;
}

static int rfcomm_release_dev(void __user *arg)
{
	int ret;

	mutex_lock(&rfcomm_ioctl_mutex);
	ret = __rfcomm_release_dev(arg);
	mutex_unlock(&rfcomm_ioctl_mutex);

	return ret;
}

static int rfcomm_get_dev_list(void __user *arg)
{
	struct rfcomm_dev *dev;
	struct rfcomm_dev_list_req *dl;
	struct rfcomm_dev_info *di;
	int n = 0, err;
	u16 dev_num;

	BT_DBG("");

	if (get_user(dev_num, (u16 __user *) arg))
		return -EFAULT;

	if (!dev_num || dev_num > (PAGE_SIZE * 4) / sizeof(*di))
		return -EINVAL;

	dl = kzalloc_flex(*dl, dev_info, dev_num);
	if (!dl)
		return -ENOMEM;

	dl->dev_num = dev_num;
	di = dl->dev_info;

	mutex_lock(&rfcomm_dev_lock);

	list_for_each_entry(dev, &rfcomm_dev_list, list) {
		if (!tty_port_get(&dev->port))
			continue;
		di[n].id      = dev->id;
		di[n].flags   = dev->flags;
		di[n].state   = dev->dlc->state;
		di[n].channel = dev->channel;
		bacpy(&di[n].src, &dev->src);
		bacpy(&di[n].dst, &dev->dst);
		tty_port_put(&dev->port);
		if (++n >= dev_num)
			break;
	}

	mutex_unlock(&rfcomm_dev_lock);

	dl->dev_num = n;
	err = copy_to_user(arg, dl, struct_size(dl, dev_info, n));
	kfree(dl);

	return err ? -EFAULT : 0;
}

static int rfcomm_get_dev_info(void __user *arg)
{
	struct rfcomm_dev *dev;
	struct rfcomm_dev_info di;
	int err = 0;

	BT_DBG("");

	if (copy_from_user(&di, arg, sizeof(di)))
		return -EFAULT;

	dev = rfcomm_dev_get(di.id);
	if (!dev)
		return -ENODEV;

	di.flags   = dev->flags;
	di.channel = dev->channel;
	di.state   = dev->dlc->state;
	bacpy(&di.src, &dev->src);
	bacpy(&di.dst, &dev->dst);

	if (copy_to_user(arg, &di, sizeof(di)))
		err = -EFAULT;

	tty_port_put(&dev->port);
	return err;
}

int rfcomm_dev_ioctl(struct sock *sk, unsigned int cmd, void __user *arg)
{
	BT_DBG("cmd %d arg %p", cmd, arg);

	switch (cmd) {
	case RFCOMMCREATEDEV:
		return rfcomm_create_dev(sk, arg);

	case RFCOMMRELEASEDEV:
		return rfcomm_release_dev(arg);

	case RFCOMMGETDEVLIST:
		return rfcomm_get_dev_list(arg);

	case RFCOMMGETDEVINFO:
		return rfcomm_get_dev_info(arg);
	}

	return -EINVAL;
}

/* ---- DLC callbacks ---- */
static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb)
{
	struct rfcomm_dev *dev = dlc->owner;

	if (!dev) {
		kfree_skb(skb);
		return;
	}

	if (!skb_queue_empty(&dev->pending)) {
		skb_queue_tail(&dev->pending, skb);
		return;
	}

	BT_DBG("dlc %p len %d", dlc, skb->len);

	tty_insert_flip_string(&dev->port, skb->data, skb->len);
	tty_flip_buffer_push(&dev->port);

	kfree_skb(skb);
}

static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err)
{
	struct rfcomm_dev *dev = dlc->owner;
	if (!dev)
		return;

	BT_DBG("dlc %p dev %p err %d", dlc, dev, err);

	dev->err = err;
	if (dlc->state == BT_CONNECTED) {
		rfcomm_reparent_device(dev);

		wake_up_interruptible(&dev->port.open_wait);
	} else if (dlc->state == BT_CLOSED)
		tty_port_tty_hangup(&dev->port, false);
}

static void rfcomm_dev_modem_status(struct rfcomm_dlc *dlc, u8 v24_sig)
{
	struct rfcomm_dev *dev = dlc->owner;
	if (!dev)
		return;

	BT_DBG("dlc %p dev %p v24_sig 0x%02x", dlc, dev, v24_sig);

	if ((dev->modem_status & TIOCM_CD) && !(v24_sig & RFCOMM_V24_DV))
		tty_port_tty_hangup(&dev->port, true);

	dev->modem_status =
		((v24_sig & RFCOMM_V24_RTC) ? TIOCM_DSR : 0) |
		((v24_sig & RFCOMM_V24_RTR) ? TIOCM_CTS : 0) |
		((v24_sig & RFCOMM_V24_IC)  ? TIOCM_RI : 0) |
		((v24_sig & RFCOMM_V24_DV)  ? TIOCM_CD : 0);
}

/* ---- TTY functions ---- */
static void rfcomm_tty_copy_pending(struct rfcomm_dev *dev)
{
	struct sk_buff *skb;
	int inserted = 0;

	BT_DBG("dev %p", dev);

	rfcomm_dlc_lock(dev->dlc);

	while ((skb = skb_dequeue(&dev->pending))) {
		inserted += tty_insert_flip_string(&dev->port, skb->data,
				skb->len);
		kfree_skb(skb);
	}

	rfcomm_dlc_unlock(dev->dlc);

	if (inserted > 0)
		tty_flip_buffer_push(&dev->port);
}

/* do the reverse of install, clearing the tty fields and releasing the
 * reference to tty_port
 */
static void rfcomm_tty_cleanup(struct tty_struct *tty)
{
	struct rfcomm_dev *dev = tty->driver_data;

	clear_bit(RFCOMM_TTY_ATTACHED, &dev->flags);

	rfcomm_dlc_lock(dev->dlc);
	tty->driver_data = NULL;
	rfcomm_dlc_unlock(dev->dlc);

	/*
	 * purge the dlc->tx_queue to avoid circular dependencies
	 * between dev and dlc
	 */
	skb_queue_purge(&dev->dlc->tx_queue);

	tty_port_put(&dev->port);
}

/* we acquire the tty_port reference since it's here the tty is first used
 * by setting the termios. We also populate the driver_data field and install
 * the tty port
 */
static int rfcomm_tty_install(struct tty_driver *driver, struct tty_struct *tty)
{
	struct rfcomm_dev *dev;
	struct rfcomm_dlc *dlc;
	int err;

	dev = rfcomm_dev_get(tty->index);
	if (!dev)
		return -ENODEV;

	dlc = dev->dlc;

	/* Attach TTY and open DLC */
	rfcomm_dlc_lock(dlc);
	tty->driver_data = dev;
	rfcomm_dlc_unlock(dlc);
	set_bit(RFCOMM_TTY_ATTACHED, &dev->flags);

	/* install the tty_port */
	err = tty_port_install(&dev->port, driver, tty);
	if (err) {
		rfcomm_tty_cleanup(tty);
		return err;
	}

	/* take over the tty_port reference if the port was created with the
	 * flag RFCOMM_RELEASE_ONHUP. This will force the release of the port
	 * when the last process closes the tty. The behaviour is expected by
	 * userspace.
	 */
	if (test_bit(RFCOMM_RELEASE_ONHUP, &dev->flags)) {
		set_bit(RFCOMM_TTY_OWNED, &dev->status);
		tty_port_put(&dev->port);
	}

	return 0;
}

static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp)
{
	struct rfcomm_dev *dev = tty->driver_data;
	int err;

	BT_DBG("tty %p id %d", tty, tty->index);

	BT_DBG("dev %p dst %pMR channel %d opened %d", dev, &dev->dst,
	       dev->channel, dev->port.count);

	err = tty_port_open(&dev->port, tty, filp);
	if (err)
		return err;

	/*
	 * FIXME: rfcomm should use proper flow control for
	 * received data. This hack will be unnecessary and can
	 * be removed when that's implemented
	 */
	rfcomm_tty_copy_pending(dev);

	rfcomm_dlc_unthrottle(dev->dlc);

	return 0;
}

static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp)
{
	struct rfcomm_dev *dev = tty->driver_data;

	BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc,
						dev->port.count);

	tty_port_close(&dev->port, tty, filp);
}

static ssize_t rfcomm_tty_write(struct tty_struct *tty, const u8 *buf,
				size_t count)
{
	struct rfcomm_dev *dev = tty->driver_data;
	struct rfcomm_dlc *dlc = dev->dlc;
	struct sk_buff *skb;
	size_t sent = 0, size;

	BT_DBG("tty %p count %zu", tty, count);

	while (count) {
		size = min_t(size_t, count, dlc->mtu);

		skb = rfcomm_wmalloc(dev, size + RFCOMM_SKB_RESERVE, GFP_ATOMIC);
		if (!skb)
			break;

		skb_reserve(skb, RFCOMM_SKB_HEAD_RESERVE);

		skb_put_data(skb, buf + sent, size);

		rfcomm_dlc_send_noerror(dlc, skb);

		sent  += size;
		count -= size;
	}

	return sent;
}

static unsigned int rfcomm_tty_write_room(struct tty_struct *tty)
{
	struct rfcomm_dev *dev = tty->driver_data;
	int room = 0;

	if (dev && dev->dlc)
		room = rfcomm_room(dev);

	BT_DBG("tty %p room %d", tty, room);

	return room;
}

static int rfcomm_tty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
{
	BT_DBG("tty %p cmd 0x%02x", tty, cmd);

	switch (cmd) {
	case TCGETS:
		BT_DBG("TCGETS is not supported");
		return -ENOIOCTLCMD;

	case TCSETS:
		BT_DBG("TCSETS is not supported");
		return -ENOIOCTLCMD;

	case TIOCMIWAIT:
		BT_DBG("TIOCMIWAIT");
		break;

	case TIOCSERGETLSR:
		BT_ERR("TIOCSERGETLSR is not supported");
		return -ENOIOCTLCMD;

	case TIOCSERCONFIG:
		BT_ERR("TIOCSERCONFIG is not supported");
		return -ENOIOCTLCMD;

	default:
		return -ENOIOCTLCMD;	/* ioctls which we must ignore */

	}

	return -ENOIOCTLCMD;
}

static void rfcomm_tty_set_termios(struct tty_struct *tty,
				   const struct ktermios *old)
{
	struct ktermios *new = &tty->termios;
	int old_baud_rate = tty_termios_baud_rate(old);
	int new_baud_rate = tty_termios_baud_rate(new);

	u8 baud, data_bits, stop_bits, parity, x_on, x_off;
	u16 changes = 0;

	struct rfcomm_dev *dev = tty->driver_data;

	BT_DBG("tty %p termios %p", tty, old);

	if (!dev || !dev->dlc || !dev->dlc->session)
		return;

	/* Handle turning off CRTSCTS */
	if ((old->c_cflag & CRTSCTS) && !(new->c_cflag & CRTSCTS))
		BT_DBG("Turning off CRTSCTS unsupported");

	/* Parity on/off and when on, odd/even */
	if (((old->c_cflag & PARENB) != (new->c_cflag & PARENB)) ||
			((old->c_cflag & PARODD) != (new->c_cflag & PARODD))) {
		changes |= RFCOMM_RPN_PM_PARITY;
		BT_DBG("Parity change detected.");
	}

	/* Mark and space parity are not supported! */
	if (new->c_cflag & PARENB) {
		if (new->c_cflag & PARODD) {
			BT_DBG("Parity is ODD");
			parity = RFCOMM_RPN_PARITY_ODD;
		} else {
			BT_DBG("Parity is EVEN");
			parity = RFCOMM_RPN_PARITY_EVEN;
		}
	} else {
		BT_DBG("Parity is OFF");
		parity = RFCOMM_RPN_PARITY_NONE;
	}

	/* Setting the x_on / x_off characters */
	if (old->c_cc[VSTOP] != new->c_cc[VSTOP]) {
		BT_DBG("XOFF custom");
		x_on = new->c_cc[VSTOP];
		changes |= RFCOMM_RPN_PM_XON;
	} else {
		BT_DBG("XOFF default");
		x_on = RFCOMM_RPN_XON_CHAR;
	}

	if (old->c_cc[VSTART] != new->c_cc[VSTART]) {
		BT_DBG("XON custom");
		x_off = new->c_cc[VSTART];
		changes |= RFCOMM_RPN_PM_XOFF;
	} else {
		BT_DBG("XON default");
		x_off = RFCOMM_RPN_XOFF_CHAR;
	}

	/* Handle setting of stop bits */
	if ((old->c_cflag & CSTOPB) != (new->c_cflag & CSTOPB))
		changes |= RFCOMM_RPN_PM_STOP;

	/* POSIX does not support 1.5 stop bits and RFCOMM does not
	 * support 2 stop bits. So a request for 2 stop bits gets
	 * translated to 1.5 stop bits */
	if (new->c_cflag & CSTOPB)
		stop_bits = RFCOMM_RPN_STOP_15;
	else
		stop_bits = RFCOMM_RPN_STOP_1;

	/* Handle number of data bits [5-8] */
	if ((old->c_cflag & CSIZE) != (new->c_cflag & CSIZE))
		changes |= RFCOMM_RPN_PM_DATA;

	switch (new->c_cflag & CSIZE) {
	case CS5:
		data_bits = RFCOMM_RPN_DATA_5;
		break;
	case CS6:
		data_bits = RFCOMM_RPN_DATA_6;
		break;
	case CS7:
		data_bits = RFCOMM_RPN_DATA_7;
		break;
	case CS8:
		data_bits = RFCOMM_RPN_DATA_8;
		break;
	default:
		data_bits = RFCOMM_RPN_DATA_8;
		break;
	}

	/* Handle baudrate settings */
	if (old_baud_rate != new_baud_rate)
		changes |= RFCOMM_RPN_PM_BITRATE;

	switch (new_baud_rate) {
	case 2400:
		baud = RFCOMM_RPN_BR_2400;
		break;
	case 4800:
		baud = RFCOMM_RPN_BR_4800;
		break;
	case 7200:
		baud = RFCOMM_RPN_BR_7200;
		break;
	case 9600:
		baud = RFCOMM_RPN_BR_9600;
		break;
	case 19200:
		baud = RFCOMM_RPN_BR_19200;
		break;
	case 38400:
		baud = RFCOMM_RPN_BR_38400;
		break;
	case 57600:
		baud = RFCOMM_RPN_BR_57600;
		break;
	case 115200:
		baud = RFCOMM_RPN_BR_115200;
		break;
	case 230400:
		baud = RFCOMM_RPN_BR_230400;
		break;
	default:
		/* 9600 is standard according to the RFCOMM specification */
		baud = RFCOMM_RPN_BR_9600;
		break;

	}

	if (changes)
		rfcomm_send_rpn(dev->dlc->session, 1, dev->dlc->dlci, baud,
				data_bits, stop_bits, parity,
				RFCOMM_RPN_FLOW_NONE, x_on, x_off, changes);
}

static void rfcomm_tty_throttle(struct tty_struct *tty)
{
	struct rfcomm_dev *dev = tty->driver_data;

	BT_DBG("tty %p dev %p", tty, dev);

	rfcomm_dlc_throttle(dev->dlc);
}

static void rfcomm_tty_unthrottle(struct tty_struct *tty)
{
	struct rfcomm_dev *dev = tty->driver_data;

	BT_DBG("tty %p dev %p", tty, dev);

	rfcomm_dlc_unthrottle(dev->dlc);
}

static unsigned int rfcomm_tty_chars_in_buffer(struct tty_struct *tty)
{
	struct rfcomm_dev *dev = tty->driver_data;

	BT_DBG("tty %p dev %p", tty, dev);

	if (!dev || !dev->dlc)
		return 0;

	if (!skb_queue_empty(&dev->dlc->tx_queue))
		return dev->dlc->mtu;

	return 0;
}

static void rfcomm_tty_flush_buffer(struct tty_struct *tty)
{
	struct rfcomm_dev *dev = tty->driver_data;

	BT_DBG("tty %p dev %p", tty, dev);

	if (!dev || !dev->dlc)
		return;

	skb_queue_purge(&dev->dlc->tx_queue);
	tty_wakeup(tty);
}

static void rfcomm_tty_send_xchar(struct tty_struct *tty, u8 ch)
{
	BT_DBG("tty %p ch %c", tty, ch);
}

static void rfcomm_tty_wait_until_sent(struct tty_struct *tty, int timeout)
{
	BT_DBG("tty %p timeout %d", tty, timeout);
}

static void rfcomm_tty_hangup(struct tty_struct *tty)
{
	struct rfcomm_dev *dev = tty->driver_data;

	BT_DBG("tty %p dev %p", tty, dev);

	tty_port_hangup(&dev->port);
}

static int rfcomm_tty_tiocmget(struct tty_struct *tty)
{
	struct rfcomm_dev *dev = tty->driver_data;
	struct rfcomm_dlc *dlc = dev->dlc;
	u8 v24_sig;

	BT_DBG("tty %p dev %p", tty, dev);

	rfcomm_dlc_get_modem_status(dlc, &v24_sig);

	return (v24_sig & (TIOCM_DTR | TIOCM_RTS)) | dev->modem_status;
}

static int rfcomm_tty_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear)
{
	struct rfcomm_dev *dev = tty->driver_data;
	struct rfcomm_dlc *dlc = dev->dlc;
	u8 v24_sig;

	BT_DBG("tty %p dev %p set 0x%02x clear 0x%02x", tty, dev, set, clear);

	rfcomm_dlc_get_modem_status(dlc, &v24_sig);

	if (set & TIOCM_DTR)
		v24_sig |= RFCOMM_V24_RTC;
	if (set & TIOCM_RTS)
		v24_sig |= RFCOMM_V24_RTR;

	if (clear & TIOCM_DTR)
		v24_sig &= ~RFCOMM_V24_RTC;
	if (clear & TIOCM_RTS)
		v24_sig &= ~RFCOMM_V24_RTR;

	rfcomm_dlc_set_modem_status(dlc, v24_sig);

	return 0;
}

/* ---- TTY structure ---- */

static const struct tty_operations rfcomm_ops = {
	.open			= rfcomm_tty_open,
	.close			= rfcomm_tty_close,
	.write			= rfcomm_tty_write,
	.write_room		= rfcomm_tty_write_room,
	.chars_in_buffer	= rfcomm_tty_chars_in_buffer,
	.flush_buffer		= rfcomm_tty_flush_buffer,
	.ioctl			= rfcomm_tty_ioctl,
	.throttle		= rfcomm_tty_throttle,
	.unthrottle		= rfcomm_tty_unthrottle,
	.set_termios		= rfcomm_tty_set_termios,
	.send_xchar		= rfcomm_tty_send_xchar,
	.hangup			= rfcomm_tty_hangup,
	.wait_until_sent	= rfcomm_tty_wait_until_sent,
	.tiocmget		= rfcomm_tty_tiocmget,
	.tiocmset		= rfcomm_tty_tiocmset,
	.install                = rfcomm_tty_install,
	.cleanup                = rfcomm_tty_cleanup,
};

int __init rfcomm_init_ttys(void)
{
	int error;

	rfcomm_tty_driver = tty_alloc_driver(RFCOMM_TTY_PORTS,
			TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV);
	if (IS_ERR(rfcomm_tty_driver))
		return PTR_ERR(rfcomm_tty_driver);

	rfcomm_tty_driver->driver_name	= "rfcomm";
	rfcomm_tty_driver->name		= "rfcomm";
	rfcomm_tty_driver->major	= RFCOMM_TTY_MAJOR;
	rfcomm_tty_driver->minor_start	= RFCOMM_TTY_MINOR;
	rfcomm_tty_driver->type		= TTY_DRIVER_TYPE_SERIAL;
	rfcomm_tty_driver->subtype	= SERIAL_TYPE_NORMAL;
	rfcomm_tty_driver->init_termios	= tty_std_termios;
	rfcomm_tty_driver->init_termios.c_cflag	= B9600 | CS8 | CREAD | HUPCL;
	rfcomm_tty_driver->init_termios.c_lflag &= ~ICANON;
	tty_set_operations(rfcomm_tty_driver, &rfcomm_ops);

	error = tty_register_driver(rfcomm_tty_driver);
	if (error) {
		BT_ERR("Can't register RFCOMM TTY driver");
		tty_driver_kref_put(rfcomm_tty_driver);
		return error;
	}

	BT_INFO("RFCOMM TTY layer initialized");

	return 0;
}

void rfcomm_cleanup_ttys(void)
{
	tty_unregister_driver(rfcomm_tty_driver);
	tty_driver_kref_put(rfcomm_tty_driver);
}
]

34/2 2026/05/16 01:56 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 107201
							output: 66
							thoughts: 1579
						

Thoughts:
**My Analysis of the Deadlock Vulnerability**

Okay, let's break this down systematically. My initial thought was that RFCOMM isn't relevant here because it doesn't utilize `uart_carrier_raised` or the `serial_core` module. This narrows the scope. It's the `serial_core` that manages `port_lock_key`, and that's the key to this potential problem. `serial_core` is fundamentally about *physical* serial ports – 8250s and the like. Those ports are, by default, off-limits to unprivileged users, so my immediate inclination was to dismiss this as a non-issue from a security perspective.

Then, the question of `N_SYNC_PPP` popped into my head. Could an unprivileged user manipulate the line discipline, potentially making themselves a vector? Yes, if they have a TTY, they can call `TIOCSETD` to change the line discipline to `N_SYNC_PPP`. However, and this is crucial, even with that capability, they can't trigger the deadlock without access to, and manipulation of, a serial port. So, for the question "Accessible From Unprivileged Processes," the answer is definitively "No".

Let's summarize the dimensions of the potential vulnerability:
*   **Exploitable:** No. This is a deadlock, so it isn't an exploitable vulnerability.
*   **Denial of Service:** Yes, the system may deadlock.
*   **Accessible From Unprivileged Processes:** No.
*   **Accessible From User Namespaces:** No.
*   **VM Guest Trigger:** No.
*   **VM Host Trigger:** No.
*   **Ethernet Network Trigger:** No.
*   **Other Remote Trigger:** No.
*   **Peripheral Trigger:** No.
*   **Malicious Filesystem Trigger:** No.

Okay, let's try to stretch the boundaries of what's possible here. Could a PTY (pseudo-terminal) get involved somehow? Could someone set up a PTY as a serial port? No, PTYs are distinct; they don't leverage `serial_core`. Virtual consoles like `tty0`? Nope, still not serial ports. And direct access to `ttyS0` is a permission issue. Loopback serial ports? Is there even such a thing, a virtualized serial port? Well, there's `ttyprintk` – but it's not a `serial_core` user. `null_tty` is similar. No dice. An unprivileged user is stymied.

What about a bizarre scenario: A system with serial ports set to the ludicrously permissive `0666` permissions? By default, these ports are `0660` with `root:dialout` ownership. I'm operating under the assumption of standard, or close to standard, permissions.

No capability checks in `TIOCSETD` either? This is good to know, but the critical dependency on `port_lock_key`, managed by `serial_core`, remains.

Now, let's revisit that lockdep warning. Here's a concise view:

```
CPU0                    CPU1
----                    ----
lock(disc_data_lock);
                        local_irq_disable();
                        lock(&port_lock_key);
                        lock(disc_data_lock);
<Interrupt>
  lock(&port_lock_key);

*** DEADLOCK ***
```

This screams classic lock inversion. CPU0 holds a lock on `disc_data_lock` (e.g., a `read_lock` in `sp_get`). CPU1 then acquires `port_lock_key` (likely in `uart_carrier_raised`) and *then* tries to get `disc_data_lock`. If they were both read locks, there would be no issue. But, if a third CPU (CPU2) were to attempt a `write_lock(&disc_data_lock)`, it would block on CPU0's read lock. Then, CPU1, trying to `read_lock(&disc_data_lock)` would then wait for CPU2. And, if an interrupt handler on CPU0 tries to acquire `port_lock_key`, it is in a deadlock with CPU1.

The deadlock boils down to these conditions:

1.  CPU0 has a `read_lock(&disc_data_lock)`.
2.  CPU2 attempts a `write_lock(&disc_data_lock)`.
3.  CPU1 holds `port_lock_key` and is trying a `read_lock(&disc_data_lock)`.
4.  CPU0 gets an interrupt and wants `lock(&port_lock_key)`.

This is a real


35/2 2026/05/16 01:56 tool set-results
0m Args:
map[DenialOfService:true Exploitable:false FilesystemTrigger:false NetworkTrigger:false PeripheralTrigger:false RemoteTrigger:false Unprivileged:false UserNamespace:false VMGuestTrigger:false VMHostTrigger:false]

Results:
map[DenialOfService:true Exploitable:false FilesystemTrigger:false NetworkTrigger:false PeripheralTrigger:false RemoteTrigger:false Unprivileged:false UserNamespace:false VMGuestTrigger:false VMHostTrigger:false]

36/2 2026/05/16 01:56 llm expert
0m Model:
gemini-3.1-pro-preview

Tokens:
							input: 109935
							output: 955
							thoughts: 13
						

Thoughts:
Okay, here's the summary, rendered as a first-person thought process, aimed at an expert audience:

**Finalizing the Response**

Alright, the data's been crunched, the analysis is complete, and the dust has settled. Now it's time to craft the definitive response. No more iterations, no more refinements – this is the point where I synthesize everything into a concise, accurate, and defensible conclusion. It's a critical moment because the culmination of all this effort is about to be presented. My focus sharpens; the weight of presenting the right answer. The pressure is on to ensure clarity, rigor, and complete accuracy at this pivotal stage, so here goes.



37/1 2026/05/16 01:56 action format-explanation
0m Results:
map[Explanation:**Analysis of the Bug Report**

The bug report describes a lockdep warning: `HARDIRQ-safe -> HARDIRQ-unsafe lock
order detected`.
This indicates a potential AB-BA deadlock involving an interrupt context.

The locks involved are:
1. `&port_lock_key` (HARDIRQ-safe): This is a per-port spinlock used by the
`serial_core` subsystem to protect serial port state (e.g., 8250 UART). It is
acquired with interrupts disabled (e.g., `uart_port_lock_irqsave`) and is also
acquired in the hardirq context by the serial interrupt handler.
2. `disc_data_lock` (HARDIRQ-unsafe): This is a global read-write lock
(`DEFINE_RWLOCK(disc_data_lock)`) defined in `drivers/net/ppp/ppp_synctty.c`. It
is acquired with `read_lock()` (which does not disable interrupts) in
`sp_get()`, and with `write_lock_irq()` in `ppp_sync_close()`.

**Deadlock Scenario:**
The lockdep warning highlights the following potential deadlock:
- **CPU0** acquires `disc_data_lock` (read lock) with interrupts enabled (e.g.,
via a `TIOCSETD` or `PPPIOCGCHAN` ioctl on a TTY using the `N_SYNC_PPP` line
discipline).
- **CPU2** attempts to acquire `disc_data_lock` (write lock) via
`ppp_sync_close()` and blocks because CPU0 holds the read lock.
- **CPU1** opens a serial port that is already configured with the `N_SYNC_PPP`
line discipline. During the open, `tty_port_block_til_ready()` calls
`uart_carrier_raised()`, which acquires `&port_lock_key` (disabling interrupts).
It then calls `sp_get()` (via `uart_write_wakeup` -> `tty_wakeup` ->
`ppp_sync_wakeup`), which attempts to acquire `disc_data_lock` (read lock).
Because CPU2 is waiting for a write lock, CPU1's read lock request blocks
(writer priority), causing CPU1 to spin with interrupts disabled while holding
`&port_lock_key`.
- **CPU0** receives a serial hardware interrupt. The interrupt handler
(`serial8250_interrupt`) attempts to acquire `&port_lock_key` and blocks because
CPU1 holds it.
- **Result:** Deadlock! CPU0 is waiting for CPU1, CPU1 is waiting for CPU2, and
CPU2 is waiting for CPU0.

**Security Impact Assessment:**

* **Exploitable:** No. This is a classic lock inversion bug leading to a
deadlock. It does not cause memory corruption, out-of-bounds access, or
use-after-free, so it cannot be exploited for privilege escalation or arbitrary
code execution.
* **Denial Of Service:** Yes. If the race condition is hit, the involved CPUs
will deadlock, leading to a system hang or panic (if lockup detectors are
enabled), which constitutes a Denial of Service.
* **Accessible From Unprivileged Processes:** No. While an unprivileged user can
open a pseudo-terminal (PTY) and set its line discipline to `N_SYNC_PPP` (via
`TIOCSETD`), PTYs do not use `serial_core` and therefore do not use
`&port_lock_key`. To create the lock dependency and trigger the deadlock, the
`N_SYNC_PPP` line discipline must be attached to a physical serial port (e.g.,
`/dev/ttyS0`). By default, serial device nodes are owned by `root:dialout` with
`0660` permissions, meaning unprivileged users cannot open them.
* **Accessible From User Namespaces:** No. User namespaces do not grant access
to physical device nodes like serial ports.
* **VM Guest / Host Trigger:** No. The bug is in the host's serial and PPP
subsystems and cannot be triggered by a guest, nor can a host trigger it in a
confidential computing guest.
* **Network / Remote / Peripheral / Filesystem Trigger:** No. This bug requires
local access to open and configure a serial port with a specific line
discipline. Plugging in a USB serial device creates a port but does not
automatically configure it with `N_SYNC_PPP`.]

LLM Calls Summary:
Total Calls Total Tokens Avg Tokens Total Duration (Seconds) Avg Duration (Seconds)
Tool Calls Summary:
Total Calls Total Duration (Seconds) Avg Duration (Seconds)