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x86, asm: Flip SAVE_ARGS arguments logic

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This saves us 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/1306873314-32523-3-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 22:21:52 +02:00
committed by H. Peter Anvin
parent a268fcfaa6
commit cac0e0a78f
3 changed files with 7 additions and 9 deletions
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8
arch/x86/include/asm/calling.h
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@@ -85,22 +85,20 @@ For 32-bit we have the following conventions - kernel is built with
#define ARGOFFSET R11
#define SWFRAME ORIG_RAX
.macro SAVE_ARGS addskip=0, norcx=0, nor891011=0
.macro SAVE_ARGS addskip=0, save_rcx=1, save_r891011=1
subq $9*8+\addskip, %rsp
CFI_ADJUST_CFA_OFFSET 9*8+\addskip
movq_cfi rdi, 8*8
movq_cfi rsi, 7*8
movq_cfi rdx, 6*8
.if \norcx
.else
.if \save_rcx
movq_cfi rcx, 5*8
.endif
movq_cfi rax, 4*8
.if \nor891011
.else
.if \save_r891011
movq_cfi r8, 3*8
movq_cfi r9, 2*8
movq_cfi r10, 1*8