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| author | Jeff Garzik <jgarzik@pobox.com> | 2006-01-17 16:29:06 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-01-17 16:29:06 +0100 |
| commit | ea9b395fe20ac74be788f415af2622ac8f0c35c7 (patch) | |
| tree | d1653e1a4cbe360aa7132ea4e29ab92a02038224 /include/asm-s390/system.h | |
| parent | Merge branch 'upstream' (diff) | |
| parent | [PATCH] libata: add a function to decide if we need iordy (diff) | |
| download | linux-ea9b395fe20ac74be788f415af2622ac8f0c35c7.tar.xz linux-ea9b395fe20ac74be788f415af2622ac8f0c35c7.zip | |
Merge branch 'upstream'
Diffstat (limited to 'include/asm-s390/system.h')
| -rw-r--r-- | include/asm-s390/system.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h index 864cae7e1fd6..b2e65e8bf812 100644 --- a/include/asm-s390/system.h +++ b/include/asm-s390/system.h @@ -104,14 +104,25 @@ static inline void restore_access_regs(unsigned int *acrs) prev = __switch_to(prev,next); \ } while (0) +/* + * 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. + * + * TODO: fill this in! + */ +static inline void sched_cacheflush(void) +{ +} + #ifdef CONFIG_VIRT_CPU_ACCOUNTING -extern void account_user_vtime(struct task_struct *); +extern void account_vtime(struct task_struct *); +extern void account_tick_vtime(struct task_struct *); extern void account_system_vtime(struct task_struct *); #endif #define finish_arch_switch(prev) do { \ set_fs(current->thread.mm_segment); \ - account_system_vtime(prev); \ + account_vtime(prev); \ } while (0) #define nop() __asm__ __volatile__ ("nop") |