diff options
Diffstat (limited to 'mm/kasan/kasan.h')
| -rw-r--r-- | mm/kasan/kasan.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 6e811d0f6242..ca43de9811de 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -5,6 +5,22 @@ #include <linux/kasan.h> #include <linux/stackdepot.h> +#ifdef CONFIG_KASAN_HW_TAGS +#include <linux/static_key.h> +DECLARE_STATIC_KEY_FALSE(kasan_flag_stacktrace); +static inline bool kasan_stack_collection_enabled(void) +{ + return static_branch_unlikely(&kasan_flag_stacktrace); +} +#else +static inline bool kasan_stack_collection_enabled(void) +{ + return true; +} +#endif + +extern bool kasan_flag_panic __ro_after_init; + #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS) #define KASAN_GRANULE_SIZE (1UL << KASAN_SHADOW_SCALE_SHIFT) #else |