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| author | Tony Lindgren <tony@atomide.com> | 2021-01-15 12:48:43 +0200 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2021-01-15 12:48:43 +0200 |
| commit | 715a1284d89a740b197b3bad5eb20d36a397382f (patch) | |
| tree | 07ad2960ab66e56b3d1e151036262019a18e3df1 /arch/arm/include/asm/kasan.h | |
| parent | 181739822cf6f8f4e12b173913af2967a28906c0 (diff) | |
| parent | 06862d789ddde8a99c1e579e934ca17c15a84755 (diff) | |
| download | linux-715a1284d89a740b197b3bad5eb20d36a397382f.tar.gz linux-715a1284d89a740b197b3bad5eb20d36a397382f.tar.bz2 linux-715a1284d89a740b197b3bad5eb20d36a397382f.zip | |
Merge branch 'cpuidle-fix' into fixes
Diffstat (limited to 'arch/arm/include/asm/kasan.h')
| -rw-r--r-- | arch/arm/include/asm/kasan.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/include/asm/kasan.h b/arch/arm/include/asm/kasan.h new file mode 100644 index 000000000000..303c35df3135 --- /dev/null +++ b/arch/arm/include/asm/kasan.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * arch/arm/include/asm/kasan.h + * + * Copyright (c) 2015 Samsung Electronics Co., Ltd. + * Author: Andrey Ryabinin <ryabinin.a.a@gmail.com> + * + */ + +#ifndef __ASM_KASAN_H +#define __ASM_KASAN_H + +#ifdef CONFIG_KASAN + +#include <asm/kasan_def.h> + +#define KASAN_SHADOW_SCALE_SHIFT 3 + +/* + * The compiler uses a shadow offset assuming that addresses start + * from 0. Kernel addresses don't start from 0, so shadow + * for kernel really starts from 'compiler's shadow offset' + + * ('kernel address space start' >> KASAN_SHADOW_SCALE_SHIFT) + */ + +asmlinkage void kasan_early_init(void); +extern void kasan_init(void); + +#else +static inline void kasan_init(void) { } +#endif + +#endif |