diff options
-rw-r--r-- | arch/arm64/include/asm/barrier.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h index 9269edba2c90..8059ead5f2d6 100644 --- a/arch/arm64/include/asm/barrier.h +++ b/arch/arm64/include/asm/barrier.h @@ -99,6 +99,10 @@ do { \ #define set_mb(var, value) do { var = value; smp_mb(); } while (0) #define nop() asm volatile("nop"); +#define speculation_barrier() \ + asm volatile( "dsb sy\n" \ + "isb\n" : : : "memory") + #endif /* __ASSEMBLY__ */ #endif /* __ASM_BARRIER_H */ |