100 ____xchg(volatile void *ptr, unsigned long x, int size)  in ____xchg()  argument
103 		size == 1 ? ____xchg_u8(ptr, x) :  in ____xchg()
104 		size == 2 ? ____xchg_u16(ptr, x) :  in ____xchg()
105 		size == 4 ? ____xchg_u32(ptr, x) :  in ____xchg()
106 		size == 8 ? ____xchg_u64(ptr, x) :  in ____xchg()
217 ____cmpxchg(volatile void *ptr, unsigned long old, unsigned long new,  in ____cmpxchg()  argument
221 		size == 1 ? ____cmpxchg_u8(ptr, old, new) :  in ____cmpxchg()
222 		size == 2 ? ____cmpxchg_u16(ptr, old, new) :  in ____cmpxchg()
223 		size == 4 ? ____cmpxchg_u32(ptr, old, new) :  in ____cmpxchg()
224 		size == 8 ? ____cmpxchg_u64(ptr, old, new) :  in ____cmpxchg()
228 #define xchg_local(ptr, x)						\  argument
230 	__typeof__(*(ptr)) _x_ = (x);					\
231 	(__typeof__(*(ptr))) ____xchg((ptr), (unsigned long)_x_,	\
232 					       sizeof(*(ptr)));		\
235 #define arch_cmpxchg_local(ptr, o, n)					\  argument
237 	__typeof__(*(ptr)) _o_ = (o);					\
238 	__typeof__(*(ptr)) _n_ = (n);					\
239 	(__typeof__(*(ptr))) ____cmpxchg((ptr), (unsigned long)_o_,	\
241 					  sizeof(*(ptr)));		\
244 #define arch_cmpxchg64_local(ptr, o, n)					\  argument
246 	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
247 	cmpxchg_local((ptr), (o), (n));					\
254 #define arch_xchg(ptr, x)						\  argument
256 	__typeof__(*(ptr)) __ret;					\
257 	__typeof__(*(ptr)) _x_ = (x);					\
259 	__ret = (__typeof__(*(ptr)))					\
260 		____xchg((ptr), (unsigned long)_x_, sizeof(*(ptr)));	\
265 #define arch_cmpxchg(ptr, o, n)						\  argument
267 	__typeof__(*(ptr)) __ret;					\
268 	__typeof__(*(ptr)) _o_ = (o);					\
269 	__typeof__(*(ptr)) _n_ = (n);					\
271 	__ret = (__typeof__(*(ptr))) ____cmpxchg((ptr),			\
272 		(unsigned long)_o_, (unsigned long)_n_, sizeof(*(ptr)));\
277 #define arch_cmpxchg64(ptr, o, n)					\  argument
279 	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
280 	arch_cmpxchg((ptr), (o), (n));					\