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

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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
This commit is contained in:
H. Peter Anvin 2012-04-20 13:42:25 -07:00
parent 3ee89722cf
commit 7a040a4384
1 changed files with 2 additions and 8 deletions
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10
arch/x86/include/asm/xsave.h
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@ -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? */