linux-kernel - [PATCH 14/16] x86: ia32entry.S: use more understandable constant

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Message-Id: <d35aeba3059407ac54f472ddcfbea767ff8916ac.1424989793.git.luto@amacapital.net>
Date:	Thu, 26 Feb 2015 14:40:37 -0800
From:	Andy Lutomirski <luto@...capital.net>
To:	x86@...nel.org, linux-kernel@...r.kernel.org
Cc:	Borislav Petkov <bp@...en8.de>, Oleg Nesterov <oleg@...hat.com>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andy Lutomirski <luto@...capital.net>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Alexei Starovoitov <ast@...mgrid.com>,
	Will Drewry <wad@...omium.org>,
	Kees Cook <keescook@...omium.org>
Subject: [PATCH 14/16] x86: ia32entry.S: use more understandable constant

From: Denys Vlasenko <dvlasenk@...hat.com>

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

Signed-off-by: Denys Vlasenko <dvlasenk@...hat.com>
CC: Linus Torvalds <torvalds@...ux-foundation.org>
CC: Steven Rostedt <rostedt@...dmis.org>
CC: Ingo Molnar <mingo@...nel.org>
CC: Borislav Petkov <bp@...en8.de>
CC: "H. Peter Anvin" <hpa@...or.com>
CC: Andy Lutomirski <luto@...capital.net>
CC: Oleg Nesterov <oleg@...hat.com>
CC: Frederic Weisbecker <fweisbec@...il.com>
CC: Alexei Starovoitov <ast@...mgrid.com>
CC: Will Drewry <wad@...omium.org>
CC: Kees Cook <keescook@...omium.org>
CC: x86@...nel.org
CC: linux-kernel@...r.kernel.org
Message-Id: <1424822419-10267-1-git-send-email-dvlasenk@...hat.com>
Signed-off-by: Andy Lutomirski <luto@...capital.net>
---
 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 6dcd37256979..ed9746340363 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
-- 
2.1.0

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