diff options
Diffstat (limited to 'kernel/sched/wait.c')
-rw-r--r-- | kernel/sched/wait.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c index 852143a79f36..9bc82329eaad 100644 --- a/kernel/sched/wait.c +++ b/kernel/sched/wait.c | |||
@@ -341,7 +341,7 @@ long wait_woken(wait_queue_t *wait, unsigned mode, long timeout) | |||
341 | * condition being true _OR_ WQ_FLAG_WOKEN such that we will not miss | 341 | * condition being true _OR_ WQ_FLAG_WOKEN such that we will not miss |
342 | * an event. | 342 | * an event. |
343 | */ | 343 | */ |
344 | set_mb(wait->flags, wait->flags & ~WQ_FLAG_WOKEN); /* B */ | 344 | smp_store_mb(wait->flags, wait->flags & ~WQ_FLAG_WOKEN); /* B */ |
345 | 345 | ||
346 | return timeout; | 346 | return timeout; |
347 | } | 347 | } |
@@ -354,7 +354,7 @@ int woken_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key) | |||
354 | * doesn't imply write barrier and the users expects write | 354 | * doesn't imply write barrier and the users expects write |
355 | * barrier semantics on wakeup functions. The following | 355 | * barrier semantics on wakeup functions. The following |
356 | * smp_wmb() is equivalent to smp_wmb() in try_to_wake_up() | 356 | * smp_wmb() is equivalent to smp_wmb() in try_to_wake_up() |
357 | * and is paired with set_mb() in wait_woken(). | 357 | * and is paired with smp_store_mb() in wait_woken(). |
358 | */ | 358 | */ |
359 | smp_wmb(); /* C */ | 359 | smp_wmb(); /* C */ |
360 | wait->flags |= WQ_FLAG_WOKEN; | 360 | wait->flags |= WQ_FLAG_WOKEN; |