Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[deliverable/linux.git] / arch / xtensa / include / asm / barrier.h
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1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
599bf77a 6 * Copyright (C) 2001 - 2012 Tensilica Inc.
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7 */
8
9#ifndef _XTENSA_SYSTEM_H
10#define _XTENSA_SYSTEM_H
11
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12#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
13#define rmb() barrier()
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14#define wmb() mb()
15
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16#define __smp_mb__before_atomic() barrier()
17#define __smp_mb__after_atomic() barrier()
09a01c0c 18
93ea02bb 19#include <asm-generic/barrier.h>
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20
21#endif /* _XTENSA_SYSTEM_H */
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