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Diffstat (limited to 'arch/s390/include/asm/kasan.h')
| -rw-r--r-- | arch/s390/include/asm/kasan.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kasan.h b/arch/s390/include/asm/kasan.h new file mode 100644 index 000000000000..7de6eceb562e --- /dev/null +++ b/arch/s390/include/asm/kasan.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_KASAN_H +#define __ASM_KASAN_H + +#include <asm/pgtable.h> + +#ifdef CONFIG_KASAN + +#define KASAN_SHADOW_SCALE_SHIFT 3 +#define KASAN_SHADOW_SIZE \ + (_AC(1, UL) << (_REGION2_SHIFT - KASAN_SHADOW_SCALE_SHIFT)) +#define KASAN_SHADOW_OFFSET _AC(0x30000000000, UL) +#define KASAN_SHADOW_START KASAN_SHADOW_OFFSET +#define KASAN_SHADOW_END (KASAN_SHADOW_START + KASAN_SHADOW_SIZE) + +extern void kasan_early_init(void); +extern void kasan_copy_shadow(pgd_t *dst); +#else +static inline void kasan_early_init(void) { } +static inline void kasan_copy_shadow(pgd_t *dst) { } +#endif + +#endif |