linux-kernel - [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/ia32/ia32entry.S

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Message-ID: <tip-1ce6f86815a392acce2b45512106b525dc994cc0@git.kernel.org>
Date:	Fri, 20 Apr 2012 14:56:21 -0700
From:	"tip-bot for H. Peter Anvin" <hpa@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	david.daney@...ium.com, tglx@...utronix.de
Subject: [tip:x86/extable] x86, extable:
  Remove open-coded exception table entries in arch/x86/ia32/ia32entry.S

Commit-ID:  1ce6f86815a392acce2b45512106b525dc994cc0
Gitweb:     http://git.kernel.org/tip/1ce6f86815a392acce2b45512106b525dc994cc0
Author:     H. Peter Anvin <hpa@...or.com>
AuthorDate: Fri, 20 Apr 2012 12:19:50 -0700
Committer:  H. Peter Anvin <hpa@...or.com>
CommitDate: Fri, 20 Apr 2012 13:51:38 -0700

x86, extable: Remove open-coded exception table entries in arch/x86/ia32/ia32entry.S

Remove open-coded exception table entries in arch/x86/ia32/ia32entry.S,
and replace them with _ASM_EXTABLE() macros; this will allow us to
change the format and type of the exception table entries.

Signed-off-by: H. Peter Anvin <hpa@...or.com>
Cc: David Daney <david.daney@...ium.com>
Link: http://lkml.kernel.org/r/CA%2B55aFyijf43qSu3N9nWHEBwaGbb7T2Oq9A=9EyR=Jtyqfq_cQ@mail.gmail.com
---
 arch/x86/ia32/ia32entry.S |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index e3e7340..eb48edd 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -13,6 +13,7 @@
 #include <asm/thread_info.h>	
 #include <asm/segment.h>
 #include <asm/irqflags.h>
+#include <asm/asm.h>
 #include <linux/linkage.h>
 #include <linux/err.h>
 
@@ -146,9 +147,7 @@ ENTRY(ia32_sysenter_target)
  	/* no need to do an access_ok check here because rbp has been
  	   32bit zero extended */ 
 1:	movl	(%rbp),%ebp
- 	.section __ex_table,"a"
- 	.quad 1b,ia32_badarg
- 	.previous	
+	_ASM_EXTABLE(1b,ia32_badarg)
 	orl     $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET)
 	testl   $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET)
 	CFI_REMEMBER_STATE
--
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