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v0.8.1
swh:1:snp:a902887e4be9191b7c6c4406aa06b31c1ce2c7cc
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Tip revision: bcf876870b95592b52519ed4aafcf9d95999bc9c authored by Linus Torvalds on 02 August 2020, 21:21:45 UTC
Linux 5.8
Tip revision: bcf8768
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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