uaccess_32.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_X86_UACCESS_32_H
 3#define _ASM_X86_UACCESS_32_H
 4
 5/*
 6 * User space memory access functions
 7 */
 8#include <linux/string.h>
 9#include <asm/asm.h>
10#include <asm/page.h>
11
12unsigned long __must_check __copy_user_ll
13		(void *to, const void *from, unsigned long n);
14unsigned long __must_check __copy_from_user_ll_nocache_nozero
15		(void *to, const void __user *from, unsigned long n);
16
17static __always_inline unsigned long __must_check
18raw_copy_to_user(void __user *to, const void *from, unsigned long n)
19{
20	return __copy_user_ll((__force void *)to, from, n);
21}
22
23static __always_inline unsigned long
24raw_copy_from_user(void *to, const void __user *from, unsigned long n)
25{
26	return __copy_user_ll(to, (__force const void *)from, n);
27}
28
29unsigned long __must_check copy_from_user_inatomic_nontemporal(void *, const void __user *, unsigned long n);
30unsigned long __must_check clear_user(void __user *mem, unsigned long len);
31unsigned long __must_check __clear_user(void __user *mem, unsigned long len);
32
33#endif /* _ASM_X86_UACCESS_32_H */