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Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-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);