arch/riscv/include/asm/fence.h

   1 #ifndef _ASM_RISCV_FENCE_H
   2 #define _ASM_RISCV_FENCE_H
   3
   4 #ifdef CONFIG_SMP
   5 #define RISCV_ACQUIRE_BARRIER           "\tfence r , rw\n"
   6 #define RISCV_RELEASE_BARRIER           "\tfence rw,  w\n"
   7 #else
   8 #define RISCV_ACQUIRE_BARRIER
   9 #define RISCV_RELEASE_BARRIER
  10 #endif
  11
  12 #endif  /* _ASM_RISCV_FENCE_H */