1 files changed, 3 insertions, 1 deletions

diff --git a/arch/x86_64/lib/memcpy.S b/arch/x86_64/lib/memcpy.S
index 0ea0ddc875a7..c22981fa2f3a 100644
--- a/arch/x86_64/lib/memcpy.S
+++ b/arch/x86_64/lib/memcpy.S
@@ -124,6 +124,8 @@ ENDPROC(__memcpy)
         .quad memcpy
         .quad 1b
         .byte X86_FEATURE_REP_GOOD
-        .byte .Lfinal - memcpy
+        /* Replace only beginning, memcpy is used to apply alternatives, so it
+         * is silly to overwrite itself with nops - reboot is only outcome... */
+        .byte 2b - 1b
         .byte 2b - 1b
         .previous