M7350/kernel/arch/xtensa/include/asm/barrier.h

22 lines
538 B
C
Raw Normal View History

2024-09-09 08:52:07 +00:00
/*
* 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.
*
2024-09-09 08:57:42 +00:00
* Copyright (C) 2001 - 2012 Tensilica Inc.
2024-09-09 08:52:07 +00:00
*/
#ifndef _XTENSA_SYSTEM_H
#define _XTENSA_SYSTEM_H
2024-09-09 08:57:42 +00:00
#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
#define rmb() barrier()
2024-09-09 08:52:07 +00:00
#define wmb() mb()
2024-09-09 08:57:42 +00:00
#define smp_mb__before_atomic() barrier()
#define smp_mb__after_atomic() barrier()
2024-09-09 08:52:07 +00:00
2024-09-09 08:57:42 +00:00
#include <asm-generic/barrier.h>
2024-09-09 08:52:07 +00:00
#endif /* _XTENSA_SYSTEM_H */