diff options
Diffstat (limited to 'include/asm-s390/system.h')
| -rw-r--r-- | include/asm-s390/system.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h index 864cae7e1fd..c7c3a9ad593 100644 --- a/include/asm-s390/system.h +++ b/include/asm-s390/system.h @@ -104,6 +104,16 @@ 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_system_vtime(struct task_struct *); |