diff options
Diffstat (limited to 'arch/riscv/include/asm/fence.h')
| -rw-r--r-- | arch/riscv/include/asm/fence.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/riscv/include/asm/fence.h b/arch/riscv/include/asm/fence.h index 2b443a3a487f..6bcd80325dfc 100644 --- a/arch/riscv/include/asm/fence.h +++ b/arch/riscv/include/asm/fence.h @@ -1,12 +1,18 @@ #ifndef _ASM_RISCV_FENCE_H #define _ASM_RISCV_FENCE_H +#define RISCV_FENCE_ASM(p, s) "\tfence " #p "," #s "\n" +#define RISCV_FENCE(p, s) \ + ({ __asm__ __volatile__ (RISCV_FENCE_ASM(p, s) : : : "memory"); }) + #ifdef CONFIG_SMP -#define RISCV_ACQUIRE_BARRIER "\tfence r , rw\n" -#define RISCV_RELEASE_BARRIER "\tfence rw, w\n" +#define RISCV_ACQUIRE_BARRIER RISCV_FENCE_ASM(r, rw) +#define RISCV_RELEASE_BARRIER RISCV_FENCE_ASM(rw, w) +#define RISCV_FULL_BARRIER RISCV_FENCE_ASM(rw, rw) #else #define RISCV_ACQUIRE_BARRIER #define RISCV_RELEASE_BARRIER +#define RISCV_FULL_BARRIER #endif #endif /* _ASM_RISCV_FENCE_H */ |