diff options
| author | Russell King <rmk+kernel@armlinux.org.uk> | 2020-12-21 11:19:24 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2020-12-21 11:19:24 +0000 |
| commit | 8cc9251737d1883e33fd0a7dafbd4062916c1ca6 (patch) | |
| tree | 6a1901ccbce167330049ce9b2afced122b325c4a /arch/arm/include/asm/kasan.h | |
| parent | e64ab473dddaffdfc4bd0b385204f472f2cb00d6 (diff) | |
| parent | 10fce53c0ef8f6e79115c3d9e0d7ea1338c3fa37 (diff) | |
Merge branches 'fixes' and 'misc' into for-next
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 |