#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 */ |