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From: Baoquan He <bhe@redhat.com>
To: linux-mm@kvack.org
Cc: ryabinin.a.a@gmail.com, glider@google.com, andreyknvl@gmail.com,
	dvyukov@google.com, vincenzo.frascino@arm.com,
	akpm@linux-foundation.org, kasan-dev@googlegroups.com,
	linux-kernel@vger.kernel.org, kexec@lists.infradead.org,
	Baoquan He <bhe@redhat.com>
Subject: [PATCH 4/4] mm/kasan: make kasan=on|off take effect for all three modes
Date: Tue,  5 Aug 2025 14:23:33 +0800	[thread overview]
Message-ID: <20250805062333.121553-5-bhe@redhat.com> (raw)
In-Reply-To: <20250805062333.121553-1-bhe@redhat.com>

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



  parent reply	other threads:[~2025-08-05  6:24 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-05  6:23 [PATCH 0/4] mm/kasan: make kasan=on|off work " Baoquan He
2025-08-05  6:23 ` [PATCH 1/4] mm/kasan: add conditional checks in functions to return directly if kasan is disabled Baoquan He
2025-08-05  6:23 ` [PATCH 2/4] mm/kasan: move kasan= code to common place Baoquan He
2025-08-06  7:11   ` Marco Elver
2025-08-08 13:01     ` Baoquan He
2025-08-05  6:23 ` [PATCH 3/4] mm/kasan: don't initialize kasan if it's disabled Baoquan He
2025-08-05  6:23 ` Baoquan He [this message]
2025-08-06  5:22   ` [PATCH 4/4] mm/kasan: make kasan=on|off take effect for all three modes SeongJae Park
2025-08-06  9:36     ` Baoquan He
2025-08-06 16:26     ` Lorenzo Stoakes
2025-08-08 13:08       ` Baoquan He
2025-08-08 13:24         ` Lorenzo Stoakes
2025-08-12 13:27           ` Baoquan He
2025-08-12 17:06             ` Lorenzo Stoakes
2025-08-06 18:24   ` Sabyrzhan Tasbolatov
2025-08-08 15:59     ` Baoquan He
2025-08-06  7:16 ` [PATCH 0/4] mm/kasan: make kasan=on|off work " Marco Elver
2025-08-07 17:12   ` Andrey Ryabinin
2025-08-08  3:21   ` Baoquan He
2025-08-07 16:34 ` Andrey Ryabinin
2025-08-08 12:54   ` Baoquan He

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