1 #ifndef _ASM_X86_UACCESS_32_H
2 #define _ASM_X86_UACCESS_32_H
5 * User space memory access functions
7 #include <linux/string.h>
11 unsigned long __must_check __copy_user_ll
12 (void *to, const void *from, unsigned long n);
13 unsigned long __must_check __copy_from_user_ll_nocache_nozero
14 (void *to, const void __user *from, unsigned long n);
16 static __always_inline unsigned long __must_check
17 raw_copy_to_user(void __user *to, const void *from, unsigned long n)
19 return __copy_user_ll((__force void *)to, from, n);
22 static __always_inline unsigned long
23 raw_copy_from_user(void *to, const void __user *from, unsigned long n)
25 if (__builtin_constant_p(n)) {
32 __get_user_asm_nozero(*(u8 *)to, from, ret,
39 __get_user_asm_nozero(*(u16 *)to, from, ret,
46 __get_user_asm_nozero(*(u32 *)to, from, ret,
52 return __copy_user_ll(to, (__force const void *)from, n);
55 static __always_inline unsigned long
56 __copy_from_user_inatomic_nocache(void *to, const void __user *from,
59 return __copy_from_user_ll_nocache_nozero(to, from, n);
62 #endif /* _ASM_X86_UACCESS_32_H */