x86: use _ASM_EXTABLE macro in include/asm-x86/uaccess_64.h

Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding
__ex_table entires in include/asm-x86/uaccess_64.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/uaccess_64.h b/include/asm-x86/uaccess_64.h
index 31d79470271942af7e4f8449294761b0d383b619..b87eb4ba8f9d6e20ff345eda0fcc78e88a807df5 100644 (file)
--- a/include/asm-x86/uaccess_64.h
+++ b/include/asm-x86/uaccess_64.h
@@ -181,10 +181,7 @@ struct __large_struct { unsigned long buf[100]; };
                "3:     mov %3,%0\n"                            \
                "       jmp 2b\n"                               \
                ".previous\n"                                   \
-               ".section __ex_table,\"a\"\n"                   \
-               "       .align 8\n"                             \
-               "       .quad 1b,3b\n"                          \
-               ".previous"                                     \
+               _ASM_EXTABLE(1b,3b)                             \
                : "=r"(err)                                     \
                : ltype (x), "m"(__m(addr)), "i"(errno), "0"(err))
 
@@ -226,10 +223,7 @@ do {                                                                       \
                "       xor"itype" %"rtype"1,%"rtype"1\n"       \
                "       jmp 2b\n"                               \
                ".previous\n"                                   \
-               ".section __ex_table,\"a\"\n"                   \
-               "       .align 8\n"                             \
-               "       .quad 1b,3b\n"                          \
-               ".previous"                                     \
+               _ASM_EXTABLE(1b,3b)                             \
                : "=r"(err), ltype (x)                          \
                : "m"(__m(addr)), "i"(errno), "0"(err))