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v0.8.1
swh:1:snp:a902887e4be9191b7c6c4406aa06b31c1ce2c7cc
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Tip revision: 46cf053efec6a3a5f343fead837777efe8252a46 authored by Linus Torvalds on 23 December 2019, 01:02:23 UTC
Linux 5.5-rc3
Tip revision: 46cf053
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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