diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/ftrace.h | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index b0767bc..783b107 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h @@ -32,6 +32,10 @@ #define MCOUNT_ADDR ((long)(mcount)) #define MCOUNT_INSN_SIZE 5 /* sizeof mcount call */ +#if defined(CONFIG_DYNAMIC_FTRACE) && defined(CONFIG_X86_64) +#define ARCH_SUPPORTS_FTRACE_OPS 1 +#endif + #ifndef __ASSEMBLY__ extern void mcount(void); extern atomic_t modifying_ftrace_code; diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 7d65133..2b4f94c 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -79,6 +79,7 @@ ENTRY(ftrace_caller) MCOUNT_SAVE_FRAME + leaq function_trace_op, %rdx movq 0x38(%rsp), %rdi movq 8(%rbp), %rsi subq $MCOUNT_INSN_SIZE, %rdi |