/* SPDX-License-Identifier: GPL-2.0 */ | |
#ifndef __BARRIER_H | |
#define __BARRIER_H | |
#define mb() __asm__ __volatile__("mb": : :"memory") | |
#define rmb() __asm__ __volatile__("mb": : :"memory") | |
#define wmb() __asm__ __volatile__("wmb": : :"memory") | |
#define __smp_load_acquire(p) \ | |
({ \ | |
compiletime_assert_atomic_type(*p); \ | |
__READ_ONCE(*p); \ | |
}) | |
#ifdef CONFIG_SMP | |
#define __ASM_SMP_MB "\tmb\n" | |
#else | |
#define __ASM_SMP_MB | |
#endif | |
#include <asm-generic/barrier.h> | |
#endif /* __BARRIER_H */ |