diff options
Diffstat (limited to 'include/asm-s390/semaphore.h')
| -rw-r--r-- | include/asm-s390/semaphore.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/include/asm-s390/semaphore.h b/include/asm-s390/semaphore.h index 32cdc69f39f4..dbce058aefa9 100644 --- a/include/asm-s390/semaphore.h +++ b/include/asm-s390/semaphore.h | |||
| @@ -85,17 +85,17 @@ static inline int down_trylock(struct semaphore * sem) | |||
| 85 | * sem->count.counter = --new_val; | 85 | * sem->count.counter = --new_val; |
| 86 | * In the ppc code this is called atomic_dec_if_positive. | 86 | * In the ppc code this is called atomic_dec_if_positive. |
| 87 | */ | 87 | */ |
| 88 | __asm__ __volatile__ ( | 88 | asm volatile( |
| 89 | " l %0,0(%3)\n" | 89 | " l %0,0(%3)\n" |
| 90 | "0: ltr %1,%0\n" | 90 | "0: ltr %1,%0\n" |
| 91 | " jle 1f\n" | 91 | " jle 1f\n" |
| 92 | " ahi %1,-1\n" | 92 | " ahi %1,-1\n" |
| 93 | " cs %0,%1,0(%3)\n" | 93 | " cs %0,%1,0(%3)\n" |
| 94 | " jl 0b\n" | 94 | " jl 0b\n" |
| 95 | "1:" | 95 | "1:" |
| 96 | : "=&d" (old_val), "=&d" (new_val), "=m" (sem->count.counter) | 96 | : "=&d" (old_val), "=&d" (new_val), "=m" (sem->count.counter) |
| 97 | : "a" (&sem->count.counter), "m" (sem->count.counter) | 97 | : "a" (&sem->count.counter), "m" (sem->count.counter) |
| 98 | : "cc", "memory" ); | 98 | : "cc", "memory"); |
| 99 | return old_val <= 0; | 99 | return old_val <= 0; |
| 100 | } | 100 | } |
| 101 | 101 | ||