Release 4.18 arch/riscv/include/asm/fence.h

#ifndef _ASM_RISCV_FENCE_H

#define _ASM_RISCV_FENCE_H

#ifdef CONFIG_SMP

#define RISCV_ACQUIRE_BARRIER		"\tfence r , rw\n"

#define RISCV_RELEASE_BARRIER		"\tfence rw,  w\n"
#else

#define RISCV_ACQUIRE_BARRIER

#define RISCV_RELEASE_BARRIER
#endif

#endif	/* _ASM_RISCV_FENCE_H */
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Directory: arch/riscv/include/asm

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