x86: Add straight-line-speculation mitigation

[platform/kernel/linux-rpi.git] / arch / x86 / lib / memmove_64.S

diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S
index e84d649..50ea390 100644 (file)
--- a/arch/x86/lib/memmove_64.S
+++ b/arch/x86/lib/memmove_64.S
@@ -40,7 +40,7 @@ SYM_FUNC_START(__memmove)
        /* FSRM implies ERMS => no length checks, do the copy directly */
 .Lmemmove_begin_forward:
        ALTERNATIVE "cmp $0x20, %rdx; jb 1f", "", X86_FEATURE_FSRM
-       ALTERNATIVE "", "movq %rdx, %rcx; rep movsb; RET", X86_FEATURE_ERMS
+       ALTERNATIVE "", __stringify(movq %rdx, %rcx; rep movsb; RET), X86_FEATURE_ERMS
 
        /*
         * movsq instruction have many startup latency