From: H. Peter Anvin <hpa@zytor.com>
Date: Mon, 4 Feb 2008 15:47:58 +0000 (+0100)
Subject: x86: use _ASM_EXTABLE macro in include/asm-x86/system.h
X-Git-Tag: v3.12-rc1~23948^2~59
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=88976ee187dce4c8de56e25955631de9765d96d1;p=kernel%2Fkernel-generic.git

x86: use _ASM_EXTABLE macro in include/asm-x86/system.h

Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding
__ex_table entires in include/asm-x86/system.h.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/include/asm-x86/system.h b/include/asm-x86/system.h
index ee32ef9..428348e 100644
--- a/include/asm-x86/system.h
+++ b/include/asm-x86/system.h
@@ -130,10 +130,7 @@ extern void load_gs_index(unsigned);
 		"movl %k1, %%" #seg "\n\t"	\
 		"jmp 2b\n"			\
 		".previous\n"			\
-		".section __ex_table,\"a\"\n\t"	\
-		_ASM_ALIGN "\n\t"		\
-		_ASM_PTR " 1b,3b\n"		\
-		".previous"			\
+		_ASM_EXTABLE(1b,3b)		\
 		: :"r" (value), "r" (0))
 
 
@@ -214,12 +211,10 @@ static inline unsigned long native_read_cr4_safe(void)
 	/* This could fault if %cr4 does not exist. In x86_64, a cr4 always
 	 * exists, so it will never fail. */
 #ifdef CONFIG_X86_32
-	asm volatile("1: mov %%cr4, %0		\n"
-		"2:				\n"
-		".section __ex_table,\"a\"	\n"
-		".long 1b,2b			\n"
-		".previous			\n"
-		: "=r" (val), "=m" (__force_order) : "0" (0));
+	asm volatile("1: mov %%cr4, %0\n"
+		     "2:\n"
+		     _ASM_EXTABLE(1b,2b)
+		     : "=r" (val), "=m" (__force_order) : "0" (0));
 #else
 	val = native_read_cr4();
 #endif