From 59e97e4d6fbcd5b74a94cb48bcbfc6f8478a5e93 Mon Sep 17 00:00:00 2001 From: Andy Lutomirski Date: Wed, 13 Jul 2011 09:24:10 -0400 Subject: x86: Make alternative instruction pointers relative This save a few bytes on x86-64 and means that future patches can apply alternatives to unrelocated code. Signed-off-by: Andy Lutomirski Link: http://lkml.kernel.org/r/ff64a6b9a1a3860ca4a7b8b6dc7b4754f9491cd7.1310563276.git.luto@mit.edu Signed-off-by: H. Peter Anvin --- arch/x86/lib/memmove_64.S | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'arch/x86/lib/memmove_64.S') diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S index d0ec9c2936d..ee164610ec4 100644 --- a/arch/x86/lib/memmove_64.S +++ b/arch/x86/lib/memmove_64.S @@ -9,6 +9,7 @@ #include #include #include +#include #undef memmove @@ -214,11 +215,9 @@ ENTRY(memmove) .previous .section .altinstructions,"a" - .align 8 - .quad .Lmemmove_begin_forward - .quad .Lmemmove_begin_forward_efs - .word X86_FEATURE_ERMS - .byte .Lmemmove_end_forward-.Lmemmove_begin_forward - .byte .Lmemmove_end_forward_efs-.Lmemmove_begin_forward_efs + altinstruction_entry .Lmemmove_begin_forward, \ + .Lmemmove_begin_forward_efs,X86_FEATURE_ERMS, \ + .Lmemmove_end_forward-.Lmemmove_begin_forward, \ + .Lmemmove_end_forward_efs-.Lmemmove_begin_forward_efs .previous ENDPROC(memmove) -- cgit v1.2.3-70-g09d2