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- #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 */
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