diff options
Diffstat (limited to 'arch/x86/include/asm/ftrace.h')
-rw-r--r-- | arch/x86/include/asm/ftrace.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index db24c2278be0..268c783ab1c0 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h | |||
@@ -38,11 +38,10 @@ extern void mcount(void); | |||
38 | static inline unsigned long ftrace_call_adjust(unsigned long addr) | 38 | static inline unsigned long ftrace_call_adjust(unsigned long addr) |
39 | { | 39 | { |
40 | /* | 40 | /* |
41 | * call mcount is "e8 <4 byte offset>" | 41 | * addr is the address of the mcount call instruction. |
42 | * The addr points to the 4 byte offset and the caller of this | 42 | * recordmcount does the necessary offset calculation. |
43 | * function wants the pointer to e8. Simply subtract one. | ||
44 | */ | 43 | */ |
45 | return addr - 1; | 44 | return addr; |
46 | } | 45 | } |
47 | 46 | ||
48 | #ifdef CONFIG_DYNAMIC_FTRACE | 47 | #ifdef CONFIG_DYNAMIC_FTRACE |