5113f6f70
 김현기
kernel add
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
/*
* 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 */
|