diff options
| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-12-07 07:28:35 +0100 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-12-07 07:29:22 +0100 |
| commit | 6548698f929814375fa5d62ae1db96959b0418c1 (patch) | |
| tree | 340924ae82cb0946aa15045b2b72186de52a8146 /include/linux/nmi.h | |
| parent | 1d2c6cfd40b2dece3bb958cbbc405a2c1536ab75 (diff) | |
| parent | 22763c5cf3690a681551162c15d34d935308c8d7 (diff) | |
Merge commit 'v2.6.32' into reiserfs/kill-bkl
Merge-reason: The tree was based 2.6.31. It's better to be up to date
with 2.6.32. Although no conflicting changes were made in between,
it gives benchmarking results closer to the lastest kernel behaviour.
Diffstat (limited to 'include/linux/nmi.h')
| -rw-r--r-- | include/linux/nmi.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/include/linux/nmi.h b/include/linux/nmi.h index 29af2d5df09..b752e807add 100644 --- a/include/linux/nmi.h +++ b/include/linux/nmi.h @@ -28,8 +28,23 @@ static inline void acpi_nmi_disable(void) { } static inline void acpi_nmi_enable(void) { } #endif -#ifndef trigger_all_cpu_backtrace -#define trigger_all_cpu_backtrace() do { } while (0) +/* + * Create trigger_all_cpu_backtrace() out of the arch-provided + * base function. Return whether such support was available, + * to allow calling code to fall back to some other mechanism: + */ +#ifdef arch_trigger_all_cpu_backtrace +static inline bool trigger_all_cpu_backtrace(void) +{ + arch_trigger_all_cpu_backtrace(); + + return true; +} +#else +static inline bool trigger_all_cpu_backtrace(void) +{ + return false; +} #endif #endif |