#ifndef _ASM_BARRIER_H_ #define _ASM_BARRIER_H_ /* * asm-generic/barrier.h * * Copyright (C) 2016, Red Hat Inc, Alexander Gordeev * * This work is licensed under the terms of the GNU LGPL, version 2. */ #ifndef mb #define mb() asm volatile("":::"memory") #endif #ifndef rmb #define rmb() asm volatile("":::"memory") #endif #ifndef wmb #define wmb() asm volatile("":::"memory") #endif #ifndef smp_mb #define smp_mb() mb() #endif #ifndef smp_rmb #define smp_rmb() rmb() #endif #ifndef smp_wmb #define smp_wmb() wmb() #endif #ifndef cpu_relax #define cpu_relax() asm volatile ("":::"memory") #endif #endif /* _ASM_BARRIER_H_ */