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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6934 | serge | 1 | #ifndef __LINUX_UACCESS_H__ |
| 2 | #define __LINUX_UACCESS_H__ |
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| 3 | |||
| 4 | #include |
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| 7143 | serge | 5 | #include |
| 6934 | serge | 6 | /* |
| 7 | * These routines enable/disable the pagefault handler. If disabled, it will |
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| 8 | * not take any locks and go straight to the fixup table. |
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| 9 | * |
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| 10 | * User access methods will not sleep when called from a pagefault_disabled() |
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| 11 | * environment. |
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| 12 | */ |
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| 13 | static inline void pagefault_disable(void) |
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| 14 | { |
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| 15 | } |
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| 16 | |||
| 17 | static inline void pagefault_enable(void) |
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| 18 | { |
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| 19 | } |
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| 7143 | serge | 20 | #ifndef ARCH_HAS_NOCACHE_UACCESS |
| 6934 | serge | 21 | |
| 7143 | serge | 22 | static inline unsigned long __copy_from_user_inatomic_nocache(void *to, |
| 23 | const void __user *from, unsigned long n) |
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| 24 | { |
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| 25 | return __copy_from_user_inatomic(to, from, n); |
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| 26 | } |
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| 27 | |||
| 28 | static inline unsigned long __copy_from_user_nocache(void *to, |
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| 29 | const void __user *from, unsigned long n) |
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| 30 | { |
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| 31 | return __copy_from_user(to, from, n); |
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| 32 | } |
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| 33 | |||
| 34 | #endif /* ARCH_HAS_NOCACHE_UACCESS */ |
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| 35 | |||
| 6934 | serge | 36 | #endif /* __LINUX_UACCESS_H__ */ |