| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _LINUX_KASAN_ENABLED_H |
| 3 | #define _LINUX_KASAN_ENABLED_H |
| 4 | |
| 5 | #include <linux/static_key.h> |
| 6 | |
| 7 | #ifdef CONFIG_KASAN_HW_TAGS |
| 8 | |
| 9 | DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled); |
| 10 | |
| 11 | static __always_inline bool kasan_enabled(void) |
| 12 | { |
| 13 | return static_branch_likely(&kasan_flag_enabled); |
| 14 | } |
| 15 | |
| 16 | static inline bool kasan_hw_tags_enabled(void) |
| 17 | { |
| 18 | return kasan_enabled(); |
| 19 | } |
| 20 | |
| 21 | #else /* CONFIG_KASAN_HW_TAGS */ |
| 22 | |
| 23 | static inline bool kasan_enabled(void) |
| 24 | { |
| 25 | return IS_ENABLED(CONFIG_KASAN); |
| 26 | } |
| 27 | |
| 28 | static inline bool kasan_hw_tags_enabled(void) |
| 29 | { |
| 30 | return false; |
| 31 | } |
| 32 | |
| 33 | #endif /* CONFIG_KASAN_HW_TAGS */ |
| 34 | |
| 35 | #endif /* LINUX_KASAN_ENABLED_H */ |
| 36 | |