diff options
Diffstat (limited to 'include/asm-x86_64/uaccess.h')
| -rw-r--r-- | include/asm-x86_64/uaccess.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/asm-x86_64/uaccess.h b/include/asm-x86_64/uaccess.h index 8079e29c14fd..1981f70fcad1 100644 --- a/include/asm-x86_64/uaccess.h +++ b/include/asm-x86_64/uaccess.h @@ -367,4 +367,18 @@ __copy_to_user_inatomic(void __user *dst, const void *src, unsigned size) return copy_user_generic((__force void *)dst, src, size); } +#define ARCH_HAS_NOCACHE_UACCESS 1 +extern long __copy_user_nocache(void *dst, const void __user *src, unsigned size, int zerorest); + +static inline int __copy_from_user_nocache(void *dst, const void __user *src, unsigned size) +{ + might_sleep(); + return __copy_user_nocache(dst, (__force void *)src, size, 1); +} + +static inline int __copy_from_user_inatomic_nocache(void *dst, const void __user *src, unsigned size) +{ + return __copy_user_nocache(dst, (__force void *)src, size, 0); +} + #endif /* __X86_64_UACCESS_H */ |