x86: use _ASM_EXTABLE macro in arch/x86/mm/init_32.c
H. Peter Anvin [Mon, 4 Feb 2008 15:47:58 +0000 (16:47 +0100)]
Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding
__ex_table entires in arch/x86/mm/init_32.c.

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>

arch/x86/mm/init_32.c

index f2f36f8..d1bc040 100644 (file)
@@ -31,6 +31,7 @@
 #include <linux/initrd.h>
 #include <linux/cpumask.h>
 
+#include <asm/asm.h>
 #include <asm/processor.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
@@ -718,10 +719,7 @@ static noinline int do_test_wp_bit(void)
                "1:     movb %1, %0     \n"
                "       xorl %2, %2     \n"
                "2:                     \n"
-               ".section __ex_table, \"a\"\n"
-               "       .align 4        \n"
-               "       .long 1b, 2b    \n"
-               ".previous              \n"
+               _ASM_EXTABLE(1b,2b)
                :"=m" (*(char *)fix_to_virt(FIX_WP_TEST)),
                 "=q" (tmp_reg),
                 "=r" (flag)