diff options
Diffstat (limited to 'arch/arm64/include/asm/nospec-branch.h')
| -rw-r--r-- | arch/arm64/include/asm/nospec-branch.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/nospec-branch.h b/arch/arm64/include/asm/nospec-branch.h index 463ec183f4ec..63db0e2b19a2 100644 --- a/arch/arm64/include/asm/nospec-branch.h +++ b/arch/arm64/include/asm/nospec-branch.h @@ -3,9 +3,13 @@ #ifndef _ASM_ARM64_NOSPEC_BRANCH_H_ #define _ASM_ARM64_NOSPEC_BRANCH_H_ +#include <asm/alternative.h> +#include <asm/cpucaps.h> + #ifdef __ASSEMBLY__ .macro retpoline +alternative_if ARM64_RETPOLINE str x30, [sp, #-16]! bl 101f 100: //speculation trap @@ -16,6 +20,7 @@ ret 102: //non-spec code ldr x30, [sp], #16 +alternative_else_nop_endif .endm .macro br_nospec reg |