diff options
Diffstat (limited to 'include/asm-i386/system.h')
| -rw-r--r-- | include/asm-i386/system.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h index 9c0593b7a94e..36a92ed6a9d0 100644 --- a/include/asm-i386/system.h +++ b/include/asm-i386/system.h @@ -548,6 +548,15 @@ void enable_hlt(void); extern int es7000_plat; void cpu_idle_wait(void); +/* + * On SMP systems, when the scheduler does migration-cost autodetection, + * it needs a way to flush as much of the CPU's caches as possible: + */ +static inline void sched_cacheflush(void) +{ + wbinvd(); +} + extern unsigned long arch_align_stack(unsigned long sp); #endif |