arch/x86/kernel/paravirt.c:65:2: error: implicit declaration of function '__text_gen_insn' [-Werror,-Wimplicit-function-declaration] arch/x86/kernel/paravirt.c:65:29: error: use of undeclared identifier 'CALL_INSN_OPCODE' arch/x86/kernel/paravirt.c:66:26: error: use of undeclared identifier 'CALL_INSN_SIZE' arch/x86/kernel/paravirt.c:67:9: error: use of undeclared identifier 'CALL_INSN_SIZE'