/* 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 #endif /* __BARRIER_H */