x86: use _ASM_EXTABLE macro in arch/x86/mm/init_32.c

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>

1 files changed, 2 insertions, 4 deletions

diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index f2f36f8dae52..d1bc04006d16 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -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)