[PATCH 4/4] mm/kasan: make kasan=on|off take effect for all three modes

Baoquan He
2025-08-05T06:24:13Z

Now everything is ready, set kasan=off can disable kasan for all
three modes.

Signed-off-by: Baoquan He <bhe@redhat.com>
---
include/linux/kasan-enabled.h | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/include/linux/kasan-enabled.h b/include/linux/kasan-enabled.h
index 32f2d19f599f..b5857e15ef14 100644
--- a/include/linux/kasan-enabled.h
+++ b/include/linux/kasan-enabled.h
@@ -8,30 +8,21 @@ extern bool kasan_arg_disabled;

DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled);

-#ifdef CONFIG_KASAN_HW_TAGS
-
static __always_inline bool kasan_enabled(void)
{
return static_branch_likely(&kasan_flag_enabled);
}

+#ifdef CONFIG_KASAN_HW_TAGS
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 */
--
2.41.0