kmsan_string.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * KMSAN string functions API used in other headers.
 4 *
 5 * Copyright (C) 2022 Google LLC
 6 * Author: Alexander Potapenko <glider@google.com>
 7 *
 8 */
 9#ifndef _LINUX_KMSAN_STRING_H
10#define _LINUX_KMSAN_STRING_H
11
12/*
13 * KMSAN overrides the default memcpy/memset/memmove implementations in the
14 * kernel, which requires having __msan_XXX function prototypes in several other
15 * headers. Keep them in one place instead of open-coding.
16 */
17void *__msan_memcpy(void *dst, const void *src, size_t size);
18void *__msan_memset(void *s, int c, size_t n);
19void *__msan_memmove(void *dest, const void *src, size_t len);
20
21#endif /* _LINUX_KMSAN_STRING_H */