bisecting fixing commit since 000fe940e51f03210bd5fb1061d4d82ed9a7b1b6 building syzkaller on 4ebb27982f8984ed57466f87099acc0b250a1b5c testing commit 000fe940e51f03210bd5fb1061d4d82ed9a7b1b6 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 932321f09d942985dfd4a6a72934ef80a68ad6d40813b5709c86b282e6b0044c all runs: crashed: WARNING in bpf_prog_test_run_xdp testing current HEAD 1039135aedfc5021b4827eb87276d7b4272024ac testing commit 1039135aedfc5021b4827eb87276d7b4272024ac compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e0e9440067983f944966f8b181f8929841b592e09e5a00777ccc839ace669b52 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect start 1039135aedfc5021b4827eb87276d7b4272024ac 000fe940e51f03210bd5fb1061d4d82ed9a7b1b6 Bisecting: 1532 revisions left to test after this (roughly 11 steps) [9d75b8818537fe64e6eae033765b9dc1b3107c15] net: mscc: ocelot: annotate which traps need PTP timestamping testing commit 9d75b8818537fe64e6eae033765b9dc1b3107c15 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 776415f99278c71804148303eb8c651c7c03e82c363b7a395b7bf69f4b39342d all runs: basic kernel testing failed: WARNING: suspicious RCU usage in hsr_node_get_first # git bisect skip 9d75b8818537fe64e6eae033765b9dc1b3107c15 Bisecting: 1532 revisions left to test after this (roughly 11 steps) [06388a03d2a792b017d67457012c4f289bf45e13] net: sparx5: Support offloading of bridge port flooding flags testing commit 06388a03d2a792b017d67457012c4f289bf45e13 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 138231cdb58caf83119afb85ee29f93f4e536135972f41bb42acf7f824e76a6b all runs: OK # git bisect bad 06388a03d2a792b017d67457012c4f289bf45e13 Bisecting: 1204 revisions left to test after this (roughly 10 steps) [12a8f37fd2d3eb5e6d1b2c50e9ed63dd60b43625] Merge branch 'dsa-cleanup' testing commit 12a8f37fd2d3eb5e6d1b2c50e9ed63dd60b43625 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7582ec553667fa9e624b35c084487888b7ba9d40dba165e9959380efd49516c0 all runs: basic kernel testing failed: WARNING: suspicious RCU usage in hsr_node_get_first # git bisect skip 12a8f37fd2d3eb5e6d1b2c50e9ed63dd60b43625 Bisecting: 1204 revisions left to test after this (roughly 10 steps) [afea27dc3105004080c3127c6570dc3dff8563b2] xen/x2apic: Fix inconsistent indenting testing commit afea27dc3105004080c3127c6570dc3dff8563b2 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e70bf3b9a35f8d4ed45a711a8e48633ed890968b9d57c646bfc2ea23eed44df5 all runs: OK # git bisect bad afea27dc3105004080c3127c6570dc3dff8563b2 Bisecting: 3 revisions left to test after this (roughly 2 steps) [3ccb3128e50380b86e01c2f9b6f4ac9c11dc05eb] xen: update missing ioctl magic numers documentation testing commit 3ccb3128e50380b86e01c2f9b6f4ac9c11dc05eb compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 50af84b2fbaa8529d50b27451aee80894a66cdcd2906d9118b7e800f8c8d3dbf all runs: OK # git bisect bad 3ccb3128e50380b86e01c2f9b6f4ac9c11dc05eb Bisecting: 1 revision left to test after this (roughly 1 step) [4564661af6ee321942ec1ab012191d7adedd3e00] xen: xenbus_dev.h: delete incorrect file name testing commit 4564661af6ee321942ec1ab012191d7adedd3e00 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: be61fab5bdf3e515c6270547aad43c424366dde0b6fcf2d628b1282b252a0ede all runs: OK # git bisect bad 4564661af6ee321942ec1ab012191d7adedd3e00 Bisecting: 0 revisions left to test after this (roughly 0 steps) [c8980fcb210851138cb34c9a8cb0cf0c09f07bf9] xen/x2apic: enable x2apic mode when supported for HVM testing commit c8980fcb210851138cb34c9a8cb0cf0c09f07bf9 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 84a2629197814724868904b3ca68338d711f861c0fbf784ea6713e32d8defedf all runs: OK # git bisect bad c8980fcb210851138cb34c9a8cb0cf0c09f07bf9 c8980fcb210851138cb34c9a8cb0cf0c09f07bf9 is the first bad commit commit c8980fcb210851138cb34c9a8cb0cf0c09f07bf9 Author: Roger Pau Monne Date: Fri Jan 21 10:01:46 2022 +0100 xen/x2apic: enable x2apic mode when supported for HVM There's no point in disabling x2APIC mode when running as a Xen HVM guest, just enable it when available. Remove some unneeded wrapping around the detection functions, and simply provide a xen_x2apic_available helper that's a wrapper around x2apic_supported. Signed-off-by: Roger Pau Monné Reviewed-by: Boris Ostrovsky Link: https://lore.kernel.org/r/20220121090146.13697-1-roger.pau@citrix.com Signed-off-by: Juergen Gross arch/x86/include/asm/xen/hypervisor.h | 14 -------------- arch/x86/xen/enlighten_hvm.c | 13 ++++--------- 2 files changed, 4 insertions(+), 23 deletions(-) parent commit e783362eb54cd99b2cac8b3a9aeac942e6f6ac07 wasn't tested testing commit e783362eb54cd99b2cac8b3a9aeac942e6f6ac07 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 188fbeb2fdd89f0a331eecaeb29185165a78e03332e1f6ffa2f571484de3f13f culprit signature: 84a2629197814724868904b3ca68338d711f861c0fbf784ea6713e32d8defedf parent signature: 188fbeb2fdd89f0a331eecaeb29185165a78e03332e1f6ffa2f571484de3f13f revisions tested: 9, total time: 1h33m17.580552968s (build: 1h4m2.571159349s, test: 27m55.906749051s) first good commit: c8980fcb210851138cb34c9a8cb0cf0c09f07bf9 xen/x2apic: enable x2apic mode when supported for HVM recipients (to): ["boris.ostrovsky@oracle.com" "jgross@suse.com" "roger.pau@citrix.com"] recipients (cc): []