linux-kernel - [PATCH 3/3] x86: signal: cosmetic unification of handle

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Date:	Tue, 23 Sep 2008 17:22:32 -0700
From:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
To:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] x86: signal: cosmetic unification of handle_signal()

From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>

Make handle_signal() same.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
---
 arch/x86/kernel/signal_32.c |    9 +++++++++
 arch/x86/kernel/signal_64.c |    2 ++
 2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index b94463f..bb05917 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -550,6 +550,15 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
 	if (ret)
 		return ret;
 
+#ifdef CONFIG_X86_64
+	/*
+	 * This has nothing to do with segment registers,
+	 * despite the name.  This magic affects uaccess.h
+	 * macros' behavior.  Reset it to the normal setting.
+	 */
+	set_fs(USER_DS);
+#endif
+
 	/*
 	 * Clear the direction flag as per the ABI for function entry.
 	 */
diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index 9087752..963236f 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -346,12 +346,14 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
 	if (ret)
 		return ret;
 
+#ifdef CONFIG_X86_64
 	/*
 	 * This has nothing to do with segment registers,
 	 * despite the name.  This magic affects uaccess.h
 	 * macros' behavior.  Reset it to the normal setting.
 	 */
 	set_fs(USER_DS);
+#endif
 
 	/*
 	 * Clear the direction flag as per the ABI for function entry.
-- 
1.5.6

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