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

Use the _ASM_EXTABLE macro from <asm/asm.h>, instead of open-coding
__ex_table entires in include/asm-x86/msr.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/msr.h b/include/asm-x86/msr.h
index 204a8a3..3ca29eb 100644 (file)
--- a/include/asm-x86/msr.h
+++ b/include/asm-x86/msr.h
@@ -57,10 +57,7 @@ static inline unsigned long long native_read_msr_safe(unsigned int msr,
                     ".section .fixup,\"ax\"\n\t"
                     "3:  mov %3,%0 ; jmp 1b\n\t"
                     ".previous\n\t"
-                    ".section __ex_table,\"a\"\n"
-                    _ASM_ALIGN "\n\t"
-                    _ASM_PTR " 2b,3b\n\t"
-                    ".previous"
+                    _ASM_EXTABLE(2b,3b)
                     : "=r" (*err), EAX_EDX_RET(val, low, high)
                     : "c" (msr), "i" (-EFAULT));
        return EAX_EDX_VAL(val, low, high);
@@ -81,10 +78,7 @@ static inline int native_write_msr_safe(unsigned int msr,
                     ".section .fixup,\"ax\"\n\t"
                     "3:  mov %4,%0 ; jmp 1b\n\t"
                     ".previous\n\t"
-                    ".section __ex_table,\"a\"\n"
-                    _ASM_ALIGN "\n\t"
-                    _ASM_PTR " 2b,3b\n\t"
-                    ".previous"
+                    _ASM_EXTABLE(2b,3b)
                     : "=a" (err)
                     : "c" (msr), "0" (low), "d" (high),
                       "i" (-EFAULT));