x86, cmpxchg: Move 64-bit set64_bit() to match 32-bit

Reduce arbitrary differences between 32 and 64 bits.

Signed-off-by: Jeremy Fitzhardinge <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: H. Peter Anvin <[e-mail]>

arch/x86/include/asm/cmpxchg_64.h

···
 
 #include <asm/alternative.h> /* Provides LOCK_PREFIX */
 
-static inline void set_64bit(volatile u64 *ptr, u64 val)
-{
-	*ptr = val;
-}
-
 extern void __xchg_wrong_size(void);
 extern void __cmpxchg_wrong_size(void);
 
···
 
 #define xchg(ptr, v)							\
 	__xchg((v), (ptr), sizeof(*ptr))
+
+static inline void set_64bit(volatile u64 *ptr, u64 val)
+{
+	*ptr = val;
+}
 
 #define __HAVE_ARCH_CMPXCHG 1