diff options
Diffstat (limited to 'include/asm-s390')
| -rw-r--r-- | include/asm-s390/atomic.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-s390/atomic.h b/include/asm-s390/atomic.h index d82aedf616f..be6fefe223d 100644 --- a/include/asm-s390/atomic.h +++ b/include/asm-s390/atomic.h @@ -75,6 +75,8 @@ static __inline__ void atomic_set_mask(unsigned long mask, atomic_t * v) __CS_LOOP(v, mask, "or"); } +#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) + static __inline__ int atomic_cmpxchg(atomic_t *v, int old, int new) { __asm__ __volatile__(" cs %0,%3,0(%2)\n" |