x86, extable: Remove open-coded exception table entries in arch/x86/include/asm/xsave.h

Remove open-coded exception table entries in arch/x86/include/asm/xsave.h,
and replace them with _ASM_EXTABLE() macros; this will allow us to
change the format and type of the exception table entries.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/CA%2B55aFyijf43qSu3N9nWHEBwaGbb7T2Oq9A=9EyR=Jtyqfq_cQ@mail.gmail.com

diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
index c6ce245..8a1b6f9 100644 (file)
--- a/arch/x86/include/asm/xsave.h
+++ b/arch/x86/include/asm/xsave.h
@@ -80,10 +80,7 @@ static inline int xsave_user(struct xsave_struct __user *buf)
                             "3:  movl $-1,%[err]\n"
                             "    jmp  2b\n"
                             ".previous\n"
-                            ".section __ex_table,\"a\"\n"
-                            _ASM_ALIGN "\n"
-                            _ASM_PTR "1b,3b\n"
-                            ".previous"
+                            _ASM_EXTABLE(1b,3b)
                             : [err] "=r" (err)
                             : "D" (buf), "a" (-1), "d" (-1), "0" (0)
                             : "memory");
@@ -106,10 +103,7 @@ static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask)
                             "3:  movl $-1,%[err]\n"
                             "    jmp  2b\n"
                             ".previous\n"
-                            ".section __ex_table,\"a\"\n"
-                            _ASM_ALIGN "\n"
-                            _ASM_PTR "1b,3b\n"
-                            ".previous"
+                            _ASM_EXTABLE(1b,3b)
                             : [err] "=r" (err)
                             : "D" (xstate), "a" (lmask), "d" (hmask), "0" (0)
                             : "memory");       /* memory required? */