diff options
Diffstat (limited to 'mm/kasan')
| -rw-r--r-- | mm/kasan/hw_tags.c | 16 | ||||
| -rw-r--r-- | mm/kasan/kasan.h | 21 |
2 files changed, 37 insertions, 0 deletions
diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c index d558799b25b3..b31aeef505dd 100644 --- a/mm/kasan/hw_tags.c +++ b/mm/kasan/hw_tags.c @@ -185,3 +185,19 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache, return &alloc_meta->free_track[0]; } + +#if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST) + +void kasan_set_tagging_report_once(bool state) +{ + hw_set_tagging_report_once(state); +} +EXPORT_SYMBOL_GPL(kasan_set_tagging_report_once); + +void kasan_enable_tagging(void) +{ + hw_enable_tagging(); +} +EXPORT_SYMBOL_GPL(kasan_enable_tagging); + +#endif diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 12932186a7f9..1298b79f9518 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -280,6 +280,9 @@ static inline const void *arch_kasan_set_tag(const void *addr, u8 tag) #ifndef arch_init_tags #define arch_init_tags(max_tag) #endif +#ifndef arch_set_tagging_report_once +#define arch_set_tagging_report_once(state) +#endif #ifndef arch_get_random_tag #define arch_get_random_tag() (0xFF) #endif @@ -292,12 +295,30 @@ static inline const void *arch_kasan_set_tag(const void *addr, u8 tag) #define hw_enable_tagging() arch_enable_tagging() #define hw_init_tags(max_tag) arch_init_tags(max_tag) +#define hw_set_tagging_report_once(state) arch_set_tagging_report_once(state) #define hw_get_random_tag() arch_get_random_tag() #define hw_get_mem_tag(addr) arch_get_mem_tag(addr) #define hw_set_mem_tag_range(addr, size, tag) arch_set_mem_tag_range((addr), (size), (tag)) +#else /* CONFIG_KASAN_HW_TAGS */ + +#define hw_enable_tagging() +#define hw_set_tagging_report_once(state) + #endif /* CONFIG_KASAN_HW_TAGS */ +#if defined(CONFIG_KASAN_HW_TAGS) && IS_ENABLED(CONFIG_KASAN_KUNIT_TEST) + +void kasan_set_tagging_report_once(bool state); +void kasan_enable_tagging(void); + +#else /* CONFIG_KASAN_HW_TAGS || CONFIG_KASAN_KUNIT_TEST */ + +static inline void kasan_set_tagging_report_once(bool state) { } +static inline void kasan_enable_tagging(void) { } + +#endif /* CONFIG_KASAN_HW_TAGS || CONFIG_KASAN_KUNIT_TEST */ + #ifdef CONFIG_KASAN_SW_TAGS u8 kasan_random_tag(void); #elif defined(CONFIG_KASAN_HW_TAGS) |