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x86, asm: Flip RESTORE_ARGS arguments logic

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... thus getting rid of the "else" part of the conditional statement in
the macro.

No functionality change.

Signed-off-by: Borislav Petkov <bp@alien8.de>
Link: http://lkml.kernel.org/r/1306873314-32523-4-git-send-email-bp@alien8.de
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Borislav Petkov
2011-05-31 22:21:53 +02:00
committed by H. Peter Anvin
parent cac0e0a78f
commit 838feb4754
3 changed files with 12 additions and 17 deletions
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21
arch/x86/include/asm/calling.h
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@@ -109,32 +109,27 @@ For 32-bit we have the following conventions - kernel is built with
#define ARG_SKIP (9*8)
.macro RESTORE_ARGS skiprax=0, addskip=0, skiprcx=0, skipr11=0, \
skipr8910=0, skiprdx=0
.if \skipr11
.else
.macro RESTORE_ARGS rstor_rax=1, addskip=0, rstor_rcx=1, rstor_r11=1, \
rstor_r8910=1, rstor_rdx=1
.if \rstor_r11
movq_cfi_restore 0*8, r11
.endif
.if \skipr8910
.else
.if \rstor_r8910
movq_cfi_restore 1*8, r10
movq_cfi_restore 2*8, r9
movq_cfi_restore 3*8, r8
.endif
.if \skiprax
.else
.if \rstor_rax
movq_cfi_restore 4*8, rax
.endif
.if \skiprcx
.else
.if \rstor_rcx
movq_cfi_restore 5*8, rcx
.endif
.if \skiprdx
.else
.if \rstor_rdx
movq_cfi_restore 6*8, rdx
.endif
@@ -193,7 +188,7 @@ For 32-bit we have the following conventions - kernel is built with
.macro RESTORE_ALL addskip=0
RESTORE_REST
RESTORE_ARGS 0, \addskip
RESTORE_ARGS 1, \addskip
.endm
.macro icebp