diff --git a/include/asm-s390/atomic.h b/include/asm-s390/atomic.h index af20c7462485..c17bdbf22067 100644 --- a/include/asm-s390/atomic.h +++ b/include/asm-s390/atomic.h @@ -215,6 +215,8 @@ static __inline__ void atomic64_set_mask(unsigned long mask, atomic64_t * v) __CSG_LOOP(v, mask, "ogr"); } +#define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) + static __inline__ long long atomic64_cmpxchg(atomic64_t *v, long long old, long long new) {