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From: Baoquan He <bhe@redhat.com>
To: kasan-dev@googlegroups.com
Cc: linux-mm@kvack.org, andreyknvl@gmail.com, ryabinin.a.a@gmail.com,
	glider@google.com, dvyukov@google.com,
	linux-kernel@vger.kernel.org, linux-um@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev,
	linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org,
	x86@kernel.org, chris@zankel.net, jcmvbkbc@gmail.com,
	linux-s390@vger.kernel.org, hca@linux.ibm.com,
	Baoquan He <bhe@redhat.com>
Subject: [PATCH v5 14/15] mm/kasan: add document into kernel-parameters.txt
Date: Wed, 25 Feb 2026 16:14:11 +0800	[thread overview]
Message-ID: <20260225081412.76502-15-bhe@redhat.com> (raw)
In-Reply-To: <20260225081412.76502-1-bhe@redhat.com>

And also remove the relevant description in dev-tools/kasan.rst
which is hw_tags specificially.

Signed-off-by: Baoquan He <bhe@redhat.com>
---
 Documentation/admin-guide/kernel-parameters.txt | 4 ++++
 Documentation/dev-tools/kasan.rst               | 2 --
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index cb850e5290c2..e0115fad9e60 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2899,6 +2899,10 @@ Kernel parameters
 	js=		[HW,JOY] Analog joystick
 			See Documentation/input/joydev/joystick.rst.
 
+	kasan=		[KNL] controls whether KASAN is enabled.
+			Format: off | on
+			default: on
+
 	kasan_multi_shot
 			[KNL] Enforce KASAN (Kernel Address Sanitizer) to print
 			report on every invalid memory access. Without this
diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst
index a034700da7c4..eaae83fcb5e4 100644
--- a/Documentation/dev-tools/kasan.rst
+++ b/Documentation/dev-tools/kasan.rst
@@ -129,8 +129,6 @@ Hardware Tag-Based KASAN mode is intended for use in production as a security
 mitigation. Therefore, it supports additional boot parameters that allow
 disabling KASAN altogether or controlling its features:
 
-- ``kasan=off`` or ``=on`` controls whether KASAN is enabled (default: ``on``).
-
 - ``kasan.mode=sync``, ``=async`` or ``=asymm`` controls whether KASAN
   is configured in synchronous, asynchronous or asymmetric mode of
   execution (default: ``sync``).
-- 
2.52.0



  parent reply	other threads:[~2026-02-25  8:17 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-25  8:13 [PATCH v5 00/15] mm/kasan: make kasan=on|off work for all three modes Baoquan He
2026-02-25  8:13 ` [PATCH v5 01/15] mm/kasan: add conditional checks in functions to return directly if kasan is disabled Baoquan He
2026-02-25  8:13 ` [PATCH v5 02/15] mm/kasan: rename 'kasan_arg' to 'kasan_arg_disabled' Baoquan He
2026-02-25  8:14 ` [PATCH v5 03/15] mm/kasan: mm/kasan: move kasan= code to common place Baoquan He
2026-02-25  8:14 ` [PATCH v5 04/15] mm/kasan: make kasan=on|off take effect for all three modes Baoquan He
2026-02-25  8:14 ` [PATCH v5 05/15] mm/kasan/sw_tags: don't initialize kasan if it's disabled Baoquan He
2026-02-25  8:14 ` [PATCH v5 06/15] arch/arm: " Baoquan He
2026-02-25  8:14 ` [PATCH v5 07/15] arch/arm64: " Baoquan He
2026-02-25  8:14 ` [PATCH v5 08/15] arch/loongarch: " Baoquan He
2026-02-25  8:14 ` [PATCH v5 09/15] arch/powerpc: " Baoquan He
2026-02-25  8:14 ` [PATCH v5 10/15] arch/riscv: " Baoquan He
2026-02-25  8:14 ` [PATCH v5 11/15] arch/x86: " Baoquan He
2026-02-25  8:14 ` [PATCH v5 12/15] arch/xtensa: " Baoquan He
2026-02-25  8:14 ` [PATCH v5 13/15] arch/um: " Baoquan He
2026-02-25  8:14 ` Baoquan He [this message]
2026-02-25  8:14 ` [PATCH v5 15/15] mm/kasan: clean up unneeded ARCH_DEFER_KASAN and kasan_arch_is_ready Baoquan He

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