linux_dsm_epyc7002/arch/nds32/include/asm/barrier.h
Greentime Hu 484367b6a9 nds32: Atomic operations
This patch includes the atomic and futex operations. Many atomic operations use
the load-lock word(llw) and store-condition word(scw) operations.

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2018-02-22 10:44:32 +08:00

16 lines
428 B
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2005-2017 Andes Technology Corporation
#ifndef __NDS32_ASM_BARRIER_H
#define __NDS32_ASM_BARRIER_H
#ifndef __ASSEMBLY__
#define mb() asm volatile("msync all":::"memory")
#define rmb() asm volatile("msync all":::"memory")
#define wmb() asm volatile("msync store":::"memory")
#include <asm-generic/barrier.h>
#endif /* __ASSEMBLY__ */
#endif /* __NDS32_ASM_BARRIER_H */