[linux-2.6-block.git] / tools / arch / mips / include / asm / barrier.h

/* SPDX-License-Identifier: GPL-2.0 */
#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 */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
e2164f04 ACM	2	#ifndef _TOOLS_LINUX_ASM_MIPS_BARRIER_H
	3	#define _TOOLS_LINUX_ASM_MIPS_BARRIER_H
	4	/*
	5	* FIXME: This came from tools/perf/perf-sys.h, where it was first introduced
	6	* in c1e028ef40b8d6943b767028ba17d4f2ba020edb, more work needed to make it
	7	* more closely follow the Linux kernel arch/mips/include/asm/barrier.h file.
	8	* Probably when we continue work on tools/ Kconfig support to have all the
	9	* CONFIG_ needed for properly doing that.
	10	*/
	11	#define mb() asm volatile( \
	12	".set mips2\n\t" \
	13	"sync\n\t" \
	14	".set mips0" \
	15	: /* no output */ \
	16	: /* no input */ \
	17	: "memory")
	18	#define wmb() mb()
	19	#define rmb() mb()
	20
	21	#endif /* _TOOLS_LINUX_ASM_MIPS_BARRIER_H */