/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2001 - 2012 Tensilica Inc. */#ifndef _XTENSA_SYSTEM_H#define _XTENSA_SYSTEM_H#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })#define rmb() barrier()#define wmb() mb()#define smp_mb__before_atomic() barrier()#define smp_mb__after_atomic() barrier()#include <asm-generic/barrier.h>#endif /* _XTENSA_SYSTEM_H */
