x86_64: prepare shared lib/rwlock.S

[firefly-linux-kernel-4.4.55.git] / arch / x86_64 / lib / memcpy.S

diff --git a/arch/x86_64/lib/memcpy.S b/arch/x86_64/lib/memcpy.S
index 0ea0ddc875a7128203b8a0c8a7c4f5784fb2b680..c22981fa2f3a95240f3a4c99d00da41d1b7392ec 100644 (file)
--- 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