diff options
Diffstat (limited to 'lib/rwsem-spinlock.c')
-rw-r--r-- | lib/rwsem-spinlock.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/rwsem-spinlock.c b/lib/rwsem-spinlock.c index 21f0db2c9711..40ffde940a86 100644 --- a/lib/rwsem-spinlock.c +++ b/lib/rwsem-spinlock.c | |||
@@ -76,7 +76,7 @@ __rwsem_do_wake(struct rw_semaphore *sem, int wakewrite) | |||
76 | list_del(&waiter->list); | 76 | list_del(&waiter->list); |
77 | tsk = waiter->task; | 77 | tsk = waiter->task; |
78 | /* Don't touch waiter after ->task has been NULLed */ | 78 | /* Don't touch waiter after ->task has been NULLed */ |
79 | mb(); | 79 | smp_mb(); |
80 | waiter->task = NULL; | 80 | waiter->task = NULL; |
81 | wake_up_process(tsk); | 81 | wake_up_process(tsk); |
82 | put_task_struct(tsk); | 82 | put_task_struct(tsk); |
@@ -91,7 +91,7 @@ __rwsem_do_wake(struct rw_semaphore *sem, int wakewrite) | |||
91 | 91 | ||
92 | list_del(&waiter->list); | 92 | list_del(&waiter->list); |
93 | tsk = waiter->task; | 93 | tsk = waiter->task; |
94 | mb(); | 94 | smp_mb(); |
95 | waiter->task = NULL; | 95 | waiter->task = NULL; |
96 | wake_up_process(tsk); | 96 | wake_up_process(tsk); |
97 | put_task_struct(tsk); | 97 | put_task_struct(tsk); |
@@ -123,7 +123,7 @@ __rwsem_wake_one_writer(struct rw_semaphore *sem) | |||
123 | list_del(&waiter->list); | 123 | list_del(&waiter->list); |
124 | 124 | ||
125 | tsk = waiter->task; | 125 | tsk = waiter->task; |
126 | mb(); | 126 | smp_mb(); |
127 | waiter->task = NULL; | 127 | waiter->task = NULL; |
128 | wake_up_process(tsk); | 128 | wake_up_process(tsk); |
129 | put_task_struct(tsk); | 129 | put_task_struct(tsk); |