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-rw-r--r--include/asm-sparc64/atomic.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-sparc64/atomic.h b/include/asm-sparc64/atomic.h
index 11f5aa5d108..25256bdc8aa 100644
--- a/include/asm-sparc64/atomic.h
+++ b/include/asm-sparc64/atomic.h
@@ -72,6 +72,7 @@ extern int atomic64_sub_ret(int, atomic64_t *);
#define atomic64_add_negative(i, v) (atomic64_add_ret(i, v) < 0)
#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define atomic_add_unless(v, a, u) \
({ \