diff options
Diffstat (limited to 'arch/x86/include/asm/uaccess_64.h')
| -rw-r--r-- | arch/x86/include/asm/uaccess_64.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index c5504b9a472e..b16f6a1d8b26 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -171,6 +171,10 @@ unsigned long raw_copy_in_user(void __user *dst, const void __user *src, unsigne extern long __copy_user_nocache(void *dst, const void __user *src, unsigned size, int zerorest); +extern long __copy_user_flushcache(void *dst, const void __user *src, unsigned size); +extern void memcpy_page_flushcache(char *to, struct page *page, size_t offset, + size_t len); + static inline int __copy_from_user_inatomic_nocache(void *dst, const void __user *src, unsigned size) @@ -179,6 +183,13 @@ __copy_from_user_inatomic_nocache(void *dst, const void __user *src, return __copy_user_nocache(dst, src, size, 0); } +static inline int +__copy_from_user_flushcache(void *dst, const void __user *src, unsigned size) +{ + kasan_check_write(dst, size); + return __copy_user_flushcache(dst, src, size); +} + unsigned long copy_user_handle_tail(char *to, char *from, unsigned len); |