- don't include unneeded headers
- drop redundant entry point label
- complete unwind annotations
- use .L prefix on local labels to not clutter the symbol table
Signed-off-by: Jan Beulich <jbeul...@suse.com>
---
arch/x86/lib/cmpxchg8b_emu.S | 20 +++++++++-----------
1 file changed, 9 insertions(+), 11 deletions(-)
--- 3.17-rc6/arch/x86/lib/cmpxchg8b_emu.S
+++ 3.17-rc6-ix86-improve-cmpxchg8b_emu/arch/x86/lib/cmpxchg8b_emu.S
@@ -7,11 +7,8 @@
*/
#include <linux/linkage.h>
-#include <asm/alternative-asm.h>
-#include <asm/frame.h>
#include <asm/dwarf2.h>
-
.text
/*
@@ -30,27 +27,28 @@ CFI_STARTPROC
# set the whole ZF thing (caller will just compare
# eax:edx with the expected value)
#
-cmpxchg8b_emu:
- pushfl
+ pushfl_cfi
cli
cmpl (%esi), %eax
- jne not_same
+ jne .Lnot_same
cmpl 4(%esi), %edx
- jne half_same
+ jne .Lhalf_same
movl %ebx, (%esi)
movl %ecx, 4(%esi)
- popfl
+ CFI_REMEMBER_STATE
+ popfl_cfi
ret
- not_same:
+ CFI_RESTORE_STATE
+.Lnot_same:
movl (%esi), %eax
- half_same:
+.Lhalf_same:
movl 4(%esi), %edx
- popfl
+ popfl_cfi
ret
CFI_ENDPROC
--
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