121 static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size)  in __xchg()  argument
125 		return __xchg_u32(ptr, x);  in __xchg()
127 		return __xchg_u64(ptr, x);  in __xchg()
133 #define xchg(ptr, x)							\  argument
135 	BUILD_BUG_ON(sizeof(*(ptr)) & ~0xc);				\
137 	((__typeof__(*(ptr)))						\
138 		__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))));	\
200 #define __cmpxchg(ptr, old, new, pre_barrier, post_barrier)		\  argument
202 	__typeof__(ptr) __ptr = (ptr);					\
203 	__typeof__(*(ptr)) __old = (old);				\
204 	__typeof__(*(ptr)) __new = (new);				\
205 	__typeof__(*(ptr)) __res = 0;					\
229 #define cmpxchg(ptr, old, new)		__cmpxchg(ptr, old, new, smp_mb__before_llsc(), smp_llsc_mb())  argument
230 #define cmpxchg_local(ptr, old, new)	__cmpxchg(ptr, old, new, , )  argument
233 #define cmpxchg64_local(ptr, o, n)					\  argument
235 	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
236 	cmpxchg_local((ptr), (o), (n));					\
239 #define cmpxchg64(ptr, o, n)						\  argument
241 	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
242 	cmpxchg((ptr), (o), (n));					\
246 #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))  argument
247 #define cmpxchg64(ptr, o, n) cmpxchg64_local((ptr), (o), (n))  argument