__xchg_op          78 arch/x86/include/asm/cmpxchg.h #define arch_xchg(ptr, v)	__xchg_op((ptr), (v), xchg, "")
__xchg_op         233 arch/x86/include/asm/cmpxchg.h #define __xadd(ptr, inc, lock)	__xchg_op((ptr), (inc), xadd, lock)