blob: c56bfffc9918a40e0ed5d1c9e0cd06e0bdfab4ac (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
/* 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 */
|
