5113f6f70
 김현기
kernel add
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
#ifndef _TOOLS_LINUX_ASM_AARCH64_BARRIER_H
#define _TOOLS_LINUX_ASM_AARCH64_BARRIER_H
/*
* From tools/perf/perf-sys.h, last modified in:
* f428ebd184c82a7914b2aa7e9f868918aaf7ea78 perf tools: Fix AAAAARGH64 memory barriers
*
* XXX: arch/arm64/include/asm/barrier.h in the kernel sources use dsb, is this
* a case like for arm32 where we do things differently in userspace?
*/
#define mb() asm volatile("dmb ish" ::: "memory")
#define wmb() asm volatile("dmb ishst" ::: "memory")
#define rmb() asm volatile("dmb ishld" ::: "memory")
#endif /* _TOOLS_LINUX_ASM_AARCH64_BARRIER_H */
|