| Current Path : /usr/src/linux-headers-5.4.0-216/arch/xtensa/include/asm/ |
Linux ift1.ift-informatik.de 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 |
| Current File : //usr/src/linux-headers-5.4.0-216/arch/xtensa/include/asm/barrier.h |
/*
* 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
#include <asm/core.h>
#define mb() ({ __asm__ __volatile__("memw" : : : "memory"); })
#define rmb() barrier()
#define wmb() mb()
#if XCHAL_HAVE_S32C1I
#define __smp_mb__before_atomic() barrier()
#define __smp_mb__after_atomic() barrier()
#endif
#include <asm-generic/barrier.h>
#endif /* _XTENSA_SYSTEM_H */