From ffbf670f5cd50501a34a5187981460da2216071e Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 9 Jan 2006 15:59:17 -0800 Subject: [PATCH] mutex subsystem, add atomic_xchg() to all arches add atomic_xchg() to all the architectures. Needed by the new mutex code. Signed-off-by: Ingo Molnar Signed-off-by: Arjan van de Ven --- include/asm-mips/atomic.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/asm-mips/atomic.h') diff --git a/include/asm-mips/atomic.h b/include/asm-mips/atomic.h index 92256e43a938..94a95872d727 100644 --- a/include/asm-mips/atomic.h +++ b/include/asm-mips/atomic.h @@ -289,6 +289,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) } #define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n))) +#define atomic_xchg(v, new) (xchg(&((v)->counter), new)) /** * atomic_add_unless - add unless the number is a given value -- cgit v1.2.3-59-g8ed1b