diff options
Diffstat (limited to 'kernel/tools/arch/mips/include')
| -rw-r--r-- | kernel/tools/arch/mips/include/asm/barrier.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/tools/arch/mips/include/asm/barrier.h b/kernel/tools/arch/mips/include/asm/barrier.h new file mode 100644 index 000000000..80f96f755 --- /dev/null +++ b/kernel/tools/arch/mips/include/asm/barrier.h @@ -0,0 +1,20 @@ +#ifndef _TOOLS_LINUX_ASM_MIPS_BARRIER_H +#define _TOOLS_LINUX_ASM_MIPS_BARRIER_H +/* + * FIXME: This came from tools/perf/perf-sys.h, where it was first introduced + * in c1e028ef40b8d6943b767028ba17d4f2ba020edb, more work needed to make it + * more closely follow the Linux kernel arch/mips/include/asm/barrier.h file. + * Probably when we continue work on tools/ Kconfig support to have all the + * CONFIG_ needed for properly doing that. + */ +#define mb() asm volatile( \ + ".set mips2\n\t" \ + "sync\n\t" \ + ".set mips0" \ + : /* no output */ \ + : /* no input */ \ + : "memory") +#define wmb() mb() +#define rmb() mb() + +#endif /* _TOOLS_LINUX_ASM_MIPS_BARRIER_H */ |