55 #define arch_xchg(ptr,x)							\  argument
56 ({	__typeof__(*(ptr)) __ret;					\
57 	__ret = (__typeof__(*(ptr)))					\
58 		__arch_xchg((unsigned long)(x), (ptr), sizeof(*(ptr)));	\
75 	unsigned int *ptr = (unsigned int  *) (maddr & ~2);  in xchg16()  local
79 	load32 = *ptr;  in xchg16()
84 		load32 = __cmpxchg_u32(ptr, old32, new32);  in xchg16()
91 __arch_xchg(unsigned long x, __volatile__ void * ptr, int size)  in __arch_xchg()  argument
95 		return xchg16(ptr, x);  in __arch_xchg()
97 		return xchg32(ptr, x);  in __arch_xchg()
99 		return xchg64(ptr, x);  in __arch_xchg()
136 	unsigned int *ptr = (unsigned int *) (maddr & ~3);  in __cmpxchg_u8()  local
138 	unsigned int load32 = *ptr;  in __cmpxchg_u8()
143 		load32 = __cmpxchg_u32(ptr, old32, new32);  in __cmpxchg_u8()
157 __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)  in __cmpxchg()  argument
161 			return __cmpxchg_u8(ptr, old, new);  in __cmpxchg()
163 			return __cmpxchg_u32(ptr, old, new);  in __cmpxchg()
165 			return __cmpxchg_u64(ptr, old, new);  in __cmpxchg()
171 #define arch_cmpxchg(ptr,o,n)						 \  argument
173      __typeof__(*(ptr)) _o_ = (o);					 \
174      __typeof__(*(ptr)) _n_ = (n);					 \
175      (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,		 \
176 				    (unsigned long)_n_, sizeof(*(ptr))); \
184 static inline unsigned long __cmpxchg_local(volatile void *ptr,  in __cmpxchg_local()  argument
190 	case 8:	return __cmpxchg(ptr, old, new, size);  in __cmpxchg_local()
192 		return __generic_cmpxchg_local(ptr, old, new, size);  in __cmpxchg_local()
198 #define arch_cmpxchg_local(ptr, o, n)				  	\  argument
199 	((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o),	\
200 			(unsigned long)(n), sizeof(*(ptr))))
201 #define arch_cmpxchg64_local(ptr, o, n)					\  argument
203 	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
204 	arch_cmpxchg_local((ptr), (o), (n));					\
206 #define arch_cmpxchg64(ptr, o, n)	arch_cmpxchg64_local((ptr), (o), (n))  argument