diff options
Diffstat (limited to 'include/asm-s390/semaphore.h')
| -rw-r--r-- | include/asm-s390/semaphore.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/include/asm-s390/semaphore.h b/include/asm-s390/semaphore.h index 702cf436698..dbce058aefa 100644 --- a/include/asm-s390/semaphore.h +++ b/include/asm-s390/semaphore.h @@ -37,7 +37,8 @@ struct semaphore { static inline void sema_init (struct semaphore *sem, int val) { - *sem = (struct semaphore) __SEMAPHORE_INITIALIZER((*sem),val); + atomic_set(&sem->count, val); + init_waitqueue_head(&sem->wait); } static inline void init_MUTEX (struct semaphore *sem) @@ -84,17 +85,17 @@ static inline int down_trylock(struct semaphore * sem) * sem->count.counter = --new_val; * In the ppc code this is called atomic_dec_if_positive. */ - __asm__ __volatile__ ( - " l %0,0(%3)\n" - "0: ltr %1,%0\n" - " jle 1f\n" - " ahi %1,-1\n" - " cs %0,%1,0(%3)\n" - " jl 0b\n" + asm volatile( + " l %0,0(%3)\n" + "0: ltr %1,%0\n" + " jle 1f\n" + " ahi %1,-1\n" + " cs %0,%1,0(%3)\n" + " jl 0b\n" "1:" : "=&d" (old_val), "=&d" (new_val), "=m" (sem->count.counter) : "a" (&sem->count.counter), "m" (sem->count.counter) - : "cc", "memory" ); + : "cc", "memory"); return old_val <= 0; } |