1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/string.h>
7 static inline __must_check unsigned long
8 raw_copy_from_user(void *to, const void __user * from, unsigned long n)
10 if (__builtin_constant_p(n)) {
13 *(u8 *)to = *(u8 __force *)from;
16 *(u16 *)to = *(u16 __force *)from;
19 *(u32 *)to = *(u32 __force *)from;
24 memcpy(to, (const void __force *)from, n);
28 static inline __must_check unsigned long
29 raw_copy_to_user(void __user *to, const void *from, unsigned long n)
31 if (__builtin_constant_p(n)) {
34 *(u8 __force *)to = *(u8 *)from;
37 *(u16 __force *)to = *(u16 *)from;
40 *(u32 __force *)to = *(u32 *)from;
47 memcpy((void __force *)to, from, n);
50 #define INLINE_COPY_FROM_USER
51 #define INLINE_COPY_TO_USER
53 #include <asm-generic/uaccess.h>