include/linux/kasan-enabled.h

   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 */