1#ifndef _ASM_X86_KASAN_H
2#define _ASM_X86_KASAN_H
3
4/*
5 * Compiler uses shadow offset assuming that addresses start
6 * from 0. Kernel addresses don't start from 0, so shadow
7 * for kernel really starts from compiler's shadow offset +
8 * 'kernel address space start' >> KASAN_SHADOW_SCALE_SHIFT
9 */
10#define KASAN_SHADOW_START      (KASAN_SHADOW_OFFSET + \
11					(0xffff800000000000ULL >> 3))
12/* 47 bits for kernel address -> (47 - 3) bits for shadow */
13#define KASAN_SHADOW_END        (KASAN_SHADOW_START + (1ULL << (47 - 3)))
14
15#ifndef __ASSEMBLY__
16
17#ifdef CONFIG_KASAN
18void __init kasan_early_init(void);
19void __init kasan_init(void);
20#else
21static inline void kasan_early_init(void) { }
22static inline void kasan_init(void) { }
23#endif
24
25#endif
26
27#endif
28