diff options
| author | Steven Rostedt <srostedt@redhat.com> | 2011-04-13 16:43:29 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2011-05-16 14:47:13 -0400 |
| commit | 2895cd2ab81dfb7bc22637bc110857db44a30b4a (patch) | |
| tree | e68853cf5422e4107bc7d999fa39f0826b481cb7 | |
| parent | f0201738b61b1adcf6b2c4719c5c415745014c1c (diff) | |
ftrace/x86: Do not trace .discard.text section
The section called .discard.text has tracing attached to it and is
currently ignored by ftrace. But it does include a call to the mcount
stub. Adding a notrace to the code keeps gcc from adding the useless
mcount caller to it.
Link: http://lkml.kernel.org/r/20110421023739.243651696@goodmis.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| -rw-r--r-- | arch/x86/include/asm/setup.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h index db8aa19a08a2..647d8a06ce4f 100644 --- a/arch/x86/include/asm/setup.h +++ b/arch/x86/include/asm/setup.h | |||
| @@ -88,7 +88,7 @@ void *extend_brk(size_t size, size_t align); | |||
| 88 | * executable.) | 88 | * executable.) |
| 89 | */ | 89 | */ |
| 90 | #define RESERVE_BRK(name,sz) \ | 90 | #define RESERVE_BRK(name,sz) \ |
| 91 | static void __section(.discard.text) __used \ | 91 | static void __section(.discard.text) __used notrace \ |
| 92 | __brk_reservation_fn_##name##__(void) { \ | 92 | __brk_reservation_fn_##name##__(void) { \ |
| 93 | asm volatile ( \ | 93 | asm volatile ( \ |
| 94 | ".pushsection .brk_reservation,\"aw\",@nobits;" \ | 94 | ".pushsection .brk_reservation,\"aw\",@nobits;" \ |