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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /arch/s390/include/asm/kasan.h | |
| parent | Initial commit. (diff) | |
| download | linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/s390/include/asm/kasan.h')
| -rw-r--r-- | arch/s390/include/asm/kasan.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kasan.h b/arch/s390/include/asm/kasan.h new file mode 100644 index 000000000..e9bf486de --- /dev/null +++ b/arch/s390/include/asm/kasan.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_KASAN_H +#define __ASM_KASAN_H + +#ifdef CONFIG_KASAN + +#define KASAN_SHADOW_SCALE_SHIFT 3 +#ifdef CONFIG_KASAN_S390_4_LEVEL_PAGING +#define KASAN_SHADOW_SIZE \ + (_AC(1, UL) << (_REGION1_SHIFT - KASAN_SHADOW_SCALE_SHIFT)) +#else +#define KASAN_SHADOW_SIZE \ + (_AC(1, UL) << (_REGION2_SHIFT - KASAN_SHADOW_SCALE_SHIFT)) +#endif +#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, 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); +extern void kasan_free_early_identity(void); +extern unsigned long kasan_vmax; +#else +static inline void kasan_early_init(void) { } +static inline void kasan_copy_shadow(pgd_t *dst) { } +static inline void kasan_free_early_identity(void) { } +#endif + +#endif |