diff options
Diffstat (limited to 'fs/select.c')
-rw-r--r-- | fs/select.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/select.c b/fs/select.c index f684c750e08a..015547330e88 100644 --- a/fs/select.c +++ b/fs/select.c | |||
@@ -189,7 +189,7 @@ static int __pollwake(wait_queue_t *wait, unsigned mode, int sync, void *key) | |||
189 | * doesn't imply write barrier and the users expect write | 189 | * doesn't imply write barrier and the users expect write |
190 | * barrier semantics on wakeup functions. The following | 190 | * barrier semantics on wakeup functions. The following |
191 | * smp_wmb() is equivalent to smp_wmb() in try_to_wake_up() | 191 | * smp_wmb() is equivalent to smp_wmb() in try_to_wake_up() |
192 | * and is paired with set_mb() in poll_schedule_timeout. | 192 | * and is paired with smp_store_mb() in poll_schedule_timeout. |
193 | */ | 193 | */ |
194 | smp_wmb(); | 194 | smp_wmb(); |
195 | pwq->triggered = 1; | 195 | pwq->triggered = 1; |
@@ -244,7 +244,7 @@ int poll_schedule_timeout(struct poll_wqueues *pwq, int state, | |||
244 | /* | 244 | /* |
245 | * Prepare for the next iteration. | 245 | * Prepare for the next iteration. |
246 | * | 246 | * |
247 | * The following set_mb() serves two purposes. First, it's | 247 | * The following smp_store_mb() serves two purposes. First, it's |
248 | * the counterpart rmb of the wmb in pollwake() such that data | 248 | * the counterpart rmb of the wmb in pollwake() such that data |
249 | * written before wake up is always visible after wake up. | 249 | * written before wake up is always visible after wake up. |
250 | * Second, the full barrier guarantees that triggered clearing | 250 | * Second, the full barrier guarantees that triggered clearing |
@@ -252,7 +252,7 @@ int poll_schedule_timeout(struct poll_wqueues *pwq, int state, | |||
252 | * this problem doesn't exist for the first iteration as | 252 | * this problem doesn't exist for the first iteration as |
253 | * add_wait_queue() has full barrier semantics. | 253 | * add_wait_queue() has full barrier semantics. |
254 | */ | 254 | */ |
255 | set_mb(pwq->triggered, 0); | 255 | smp_store_mb(pwq->triggered, 0); |
256 | 256 | ||
257 | return rc; | 257 | return rc; |
258 | } | 258 | } |