x86/mm/pat: Don't report PAT on CPUs that don't support it
[linux/fpc-iii.git] / arch / x86 / include / asm / kasan.h
blob1410b567ecdedfaaa42d698cbb0382c5f81b984a
1 #ifndef _ASM_X86_KASAN_H
2 #define _ASM_X86_KASAN_H
4 #include <linux/const.h>
5 #define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
7 /*
8 * Compiler uses shadow offset assuming that addresses start
9 * from 0. Kernel addresses don't start from 0, so shadow
10 * for kernel really starts from compiler's shadow offset +
11 * 'kernel address space start' >> KASAN_SHADOW_SCALE_SHIFT
13 #define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \
14 (0xffff800000000000ULL >> 3))
15 /* 47 bits for kernel address -> (47 - 3) bits for shadow */
16 #define KASAN_SHADOW_END (KASAN_SHADOW_START + (1ULL << (47 - 3)))
18 #ifndef __ASSEMBLY__
20 #ifdef CONFIG_KASAN
21 void __init kasan_early_init(void);
22 void __init kasan_init(void);
23 #else
24 static inline void kasan_early_init(void) { }
25 static inline void kasan_init(void) { }
26 #endif
28 #endif
30 #endif