original_kernel/arch/riscv/include/asm/fence.h

13 lines
279 B
C

#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 */