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x86: uaccess: fix compilation error on CONFIG_M386 

In case of !CONFIG_X86_WP_WORKS_OK, __put_user_size_ex() is not defined.
Add macros for !CONFIG_X86_WP_WORKS_OK case.

Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Hiroshi Shimamoto 2009-01-29 11:49:18 -08:00 committed by Ingo Molnar
parent 3b4b75700a
commit 019a136966
1 changed files with 20 additions and 2 deletions
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22
arch/x86/include/asm/uaccess.h
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@ -525,8 +525,6 @@ struct __large_struct { unsigned long buf[100]; };
*/
#define get_user_try uaccess_try
#define get_user_catch(err) uaccess_catch(err)
#define put_user_try uaccess_try
#define put_user_catch(err) uaccess_catch(err)
#define get_user_ex(x, ptr) do { \
unsigned long __gue_val; \
@ -534,9 +532,29 @@ struct __large_struct { unsigned long buf[100]; };
(x) = (__force __typeof__(*(ptr)))__gue_val; \
} while (0)
#ifdef CONFIG_X86_WP_WORKS_OK
#define put_user_try uaccess_try
#define put_user_catch(err) uaccess_catch(err)
#define put_user_ex(x, ptr) \
__put_user_size_ex((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
#else /* !CONFIG_X86_WP_WORKS_OK */
#define put_user_try do { \
int __uaccess_err = 0;
#define put_user_catch(err) \
(err) |= __uaccess_err; \
} while (0)
#define put_user_ex(x, ptr) do { \
__uaccess_err |= __put_user(x, ptr); \
} while (0)
#endif /* CONFIG_X86_WP_WORKS_OK */
/*
* movsl can be slow when source and dest are not both 8-byte aligned
*/