Doing so allows adjustments by 128 bytes (occurring for
REMOVE_PT_GPREGS_FROM_STACK 8 uses) to be expressed with a single byte
immediate.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
---
arch/x86/include/asm/calling.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- 4.1-rc6/arch/x86/include/asm/calling.h
+++ 4.1-rc6-x86_64-invert-stack-adjust/arch/x86/include/asm/calling.h
@@ -91,7 +91,7 @@ For 32-bit we have the following convent
#define SIZEOF_PTREGS 21*8
.macro ALLOC_PT_GPREGS_ON_STACK addskip=0
- subq $15*8+\addskip, %rsp
+ addq $-(15*8+\addskip), %rsp
CFI_ADJUST_CFA_OFFSET 15*8+\addskip
.endm
@@ -204,7 +204,7 @@ For 32-bit we have the following convent
.endm
.macro REMOVE_PT_GPREGS_FROM_STACK addskip=0
- addq $15*8+\addskip, %rsp
+ subq $-(15*8+\addskip), %rsp
CFI_ADJUST_CFA_OFFSET -(15*8+\addskip)
.endm
--
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