static inline void
__mutex_fastpath_lock(atomic_t *count, void (*fail_fn)(atomic_t *))
{
- if (unlikely(atomic_dec_return(count) < 0))
+ if (unlikely(atomic_dec_return_acquire(count) < 0))
fail_fn(count);
}
static inline int
__mutex_fastpath_lock_retval(atomic_t *count)
{
- if (unlikely(atomic_dec_return(count) < 0))
+ if (unlikely(atomic_dec_return_acquire(count) < 0))
return -1;
return 0;
}
static inline void
__mutex_fastpath_unlock(atomic_t *count, void (*fail_fn)(atomic_t *))
{
- if (unlikely(atomic_inc_return(count) <= 0))
+ if (unlikely(atomic_inc_return_release(count) <= 0))
fail_fn(count);
}
static inline int
__mutex_fastpath_trylock(atomic_t *count, int (*fail_fn)(atomic_t *))
{
- if (likely(atomic_cmpxchg(count, 1, 0) == 1))
+ if (likely(atomic_cmpxchg_acquire(count, 1, 0) == 1))
return 1;
return 0;
}