diff options
Diffstat (limited to 'lib/sbitmap.c')
-rw-r--r-- | lib/sbitmap.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/sbitmap.c b/lib/sbitmap.c index 42b5ca0acf93..e6a9c06ec70c 100644 --- a/lib/sbitmap.c +++ b/lib/sbitmap.c | |||
@@ -100,7 +100,7 @@ static int __sbitmap_get_word(unsigned long *word, unsigned long depth, | |||
100 | return -1; | 100 | return -1; |
101 | } | 101 | } |
102 | 102 | ||
103 | if (!test_and_set_bit(nr, word)) | 103 | if (!test_and_set_bit_lock(nr, word)) |
104 | break; | 104 | break; |
105 | 105 | ||
106 | hint = nr + 1; | 106 | hint = nr + 1; |
@@ -434,9 +434,9 @@ static void sbq_wake_up(struct sbitmap_queue *sbq) | |||
434 | /* | 434 | /* |
435 | * Pairs with the memory barrier in set_current_state() to ensure the | 435 | * Pairs with the memory barrier in set_current_state() to ensure the |
436 | * proper ordering of clear_bit()/waitqueue_active() in the waker and | 436 | * proper ordering of clear_bit()/waitqueue_active() in the waker and |
437 | * test_and_set_bit()/prepare_to_wait()/finish_wait() in the waiter. See | 437 | * test_and_set_bit_lock()/prepare_to_wait()/finish_wait() in the |
438 | * the comment on waitqueue_active(). This is __after_atomic because we | 438 | * waiter. See the comment on waitqueue_active(). This is __after_atomic |
439 | * just did clear_bit() in the caller. | 439 | * because we just did clear_bit_unlock() in the caller. |
440 | */ | 440 | */ |
441 | smp_mb__after_atomic(); | 441 | smp_mb__after_atomic(); |
442 | 442 | ||
@@ -469,7 +469,7 @@ static void sbq_wake_up(struct sbitmap_queue *sbq) | |||
469 | void sbitmap_queue_clear(struct sbitmap_queue *sbq, unsigned int nr, | 469 | void sbitmap_queue_clear(struct sbitmap_queue *sbq, unsigned int nr, |
470 | unsigned int cpu) | 470 | unsigned int cpu) |
471 | { | 471 | { |
472 | sbitmap_clear_bit(&sbq->sb, nr); | 472 | sbitmap_clear_bit_unlock(&sbq->sb, nr); |
473 | sbq_wake_up(sbq); | 473 | sbq_wake_up(sbq); |
474 | if (likely(!sbq->round_robin && nr < sbq->sb.depth)) | 474 | if (likely(!sbq->round_robin && nr < sbq->sb.depth)) |
475 | *per_cpu_ptr(sbq->alloc_hint, cpu) = nr; | 475 | *per_cpu_ptr(sbq->alloc_hint, cpu) = nr; |