[tip:x86/asm] x86/asm/entry/64/compat: Use more readable constant

[tip-bot for Denys Vlasenko]

Commit-ID:  b3ab90b333e94659e7c351843ab41ec0004f73e8
Gitweb:     http://git.kernel.org/tip/b3ab90b333e94659e7c351843ab41ec0004f73e8
Author:     Denys Vlasenko <dvlasenk@xxxxxxxxxx>
AuthorDate: Thu, 26 Feb 2015 14:40:37 -0800
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 4 Mar 2015 22:50:52 +0100

x86/asm/entry/64/compat: Use more readable constant

The last instance of "mysterious" SS+8 constant is replaced by
SIZEOF_PTREGS.

Message-Id: <1424822419-10267-1-git-send-email-dvlasenk@xxxxxxxxxx>
Signed-off-by: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Will Drewry <wad@xxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/d35aeba3059407ac54f472ddcfbea767ff8916ac.1424989793.git.luto@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/x86/ia32/ia32entry.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 6dcd372..ed97463 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -536,7 +536,7 @@ ia32_ptregs_common:
 	CFI_ENDPROC
 	CFI_STARTPROC32	simple
 	CFI_SIGNAL_FRAME
-	CFI_DEF_CFA	rsp,SS+8
+	CFI_DEF_CFA	rsp,SIZEOF_PTREGS
 	CFI_REL_OFFSET	rax,RAX
 	CFI_REL_OFFSET	rcx,RCX
 	CFI_REL_OFFSET	rdx,RDX
--
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