xchg_u32 158 arch/openrisc/include/asm/cmpxchg.h return xchg_u32(ptr, with); xchg_u32 31 arch/sh/include/asm/cmpxchg.h __xchg__res = xchg_u32(__xchg_ptr, x); \ xchg_u32 213 arch/xtensa/include/asm/cmpxchg.h return xchg_u32(ptr, x);