/* 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 */