diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-04-17 11:40:51 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 11:40:51 -0400 |
| commit | 78a9909aab54123c7c471022389b36972e13b48e (patch) | |
| tree | ca6cb092e3fce31276f2a4fb68242c3a807e6180 /include/asm-x86/linkage.h | |
| parent | 11ae9dd48128790d3d2ece6bc916c001b4a1d147 (diff) | |
x86, tracing: add notrace to asm-x86/linkage.h
notrace signals that a function should not be traced. Most of the
time this is used by tracers to annotate code that cannot be
traced - it's in a volatile state (such as in user vdso context
or NMI context) or it's in the tracer internals.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/linkage.h')
| -rw-r--r-- | include/asm-x86/linkage.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/linkage.h b/include/asm-x86/linkage.h index c048353f4b85..64e444f8e85b 100644 --- a/include/asm-x86/linkage.h +++ b/include/asm-x86/linkage.h | |||
| @@ -1,6 +1,9 @@ | |||
| 1 | #ifndef __ASM_LINKAGE_H | 1 | #ifndef __ASM_LINKAGE_H |
| 2 | #define __ASM_LINKAGE_H | 2 | #define __ASM_LINKAGE_H |
| 3 | 3 | ||
| 4 | #undef notrace | ||
| 5 | #define notrace __attribute__((no_instrument_function)) | ||
| 6 | |||
| 4 | #ifdef CONFIG_X86_64 | 7 | #ifdef CONFIG_X86_64 |
| 5 | #define __ALIGN .p2align 4,,15 | 8 | #define __ALIGN .p2align 4,,15 |
| 6 | #define __ALIGN_STR ".p2align 4,,15" | 9 | #define __ALIGN_STR ".p2align 4,,15" |