Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

[powerpc.git] / include / asm-sparc / atomic.h

diff --git a/include/asm-sparc/atomic.h b/include/asm-sparc/atomic.h
index accb496..e103317 100644 (file)
--- a/include/asm-sparc/atomic.h
+++ b/include/asm-sparc/atomic.h
@@ -20,6 +20,7 @@ typedef struct { volatile int counter; } atomic_t;
 
 extern int __atomic_add_return(int, atomic_t *);
 extern int atomic_cmpxchg(atomic_t *, int, int);
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
 extern int atomic_add_unless(atomic_t *, int, int);
 extern void atomic_set(atomic_t *, int);