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| author | Vitaly Mayatskikh <v.mayatskih@gmail.com> | 2008-07-02 15:48:21 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-09 15:51:03 +0200 |
| commit | 1129585a08baf58582c0da91e572cb29e3179acf (patch) | |
| tree | 8ea03668221455bdeff91f885e4458676a89633b /include | |
| parent | de989ef093623ab5259f885f30be699c431d4006 (diff) | |
| download | linux-1129585a08baf58582c0da91e572cb29e3179acf.tar.gz linux-1129585a08baf58582c0da91e572cb29e3179acf.tar.bz2 linux-1129585a08baf58582c0da91e572cb29e3179acf.zip | |
x86: introduce copy_user_handle_tail() routine
Introduce generic C routine for handling necessary tail operations after
protection fault in copy_*_user on x86.
Signed-off-by: Vitaly Mayatskikh <v.mayatskih@gmail.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/uaccess_64.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h index 4e3ec004e14a..515d4dce96b5 100644 --- a/include/asm-x86/uaccess_64.h +++ b/include/asm-x86/uaccess_64.h @@ -195,4 +195,7 @@ static inline int __copy_from_user_inatomic_nocache(void *dst, return __copy_user_nocache(dst, src, size, 0); } +unsigned long +copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest); + #endif /* __X86_64_UACCESS_H */ |