diff --git a/include/linux/kasan-enabled.h b/include/linux/kasan-enabled.h new file mode 100644 index 000000000000..4b6615375022 --- /dev/null +++ b/include/linux/kasan-enabled.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_KASAN_ENABLED_H +#define _LINUX_KASAN_ENABLED_H + +#ifdef CONFIG_KASAN_HW_TAGS + +DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled); + +static __always_inline bool kasan_enabled(void) +{ + return static_branch_likely(&kasan_flag_enabled); +} + +static inline bool kasan_hw_tags_enabled(void) +{ + return kasan_enabled(); +} + +#else /* CONFIG_KASAN_HW_TAGS */ + +static inline bool kasan_enabled(void) +{ + return IS_ENABLED(CONFIG_KASAN); +} + +static inline bool kasan_hw_tags_enabled(void) +{ + return false; +} + +#endif /* CONFIG_KASAN_HW_TAGS */ + +#endif /* LINUX_KASAN_ENABLED_H */ diff --git a/include/linux/kasan.h b/include/linux/kasan.h index b9ba719eddeb..0ab2dfa914ff 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -3,6 +3,7 @@ #define _LINUX_KASAN_H #include +#include #include #include #include @@ -82,34 +83,6 @@ static inline void kasan_disable_current(void) {} #endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */ -#ifdef CONFIG_KASAN_HW_TAGS - -DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled); - -static __always_inline bool kasan_enabled(void) -{ - return static_branch_likely(&kasan_flag_enabled); -} - -static inline bool kasan_hw_tags_enabled(void) -{ - return kasan_enabled(); -} - -#else /* CONFIG_KASAN_HW_TAGS */ - -static inline bool kasan_enabled(void) -{ - return IS_ENABLED(CONFIG_KASAN); -} - -static inline bool kasan_hw_tags_enabled(void) -{ - return false; -} - -#endif /* CONFIG_KASAN_HW_TAGS */ - static inline bool kasan_has_integrated_init(void) { return kasan_hw_tags_enabled();