diff options
Diffstat (limited to 'kern/mutex.c')
| -rw-r--r-- | kern/mutex.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kern/mutex.c b/kern/mutex.c index 00077f26..7899bef9 100644 --- a/kern/mutex.c +++ b/kern/mutex.c @@ -34,7 +34,7 @@ mutex_lock_slow(struct mutex *mutex) sleepq = sleepq_lend(mutex, false, &flags); for (;;) { - state = atomic_swap_seq_cst(&mutex->state, MUTEX_CONTENDED); + state = atomic_swap_acquire(&mutex->state, MUTEX_CONTENDED); if (state == MUTEX_UNLOCKED) { break; @@ -44,7 +44,7 @@ mutex_lock_slow(struct mutex *mutex) } if (sleepq_empty(sleepq)) { - state = atomic_swap_seq_cst(&mutex->state, MUTEX_LOCKED); + state = atomic_swap_acquire(&mutex->state, MUTEX_LOCKED); assert(state == MUTEX_CONTENDED); } |