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Wed, 25 Feb 2026 08:17:03 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.112.55]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 2EF4E1800465; Wed, 25 Feb 2026 08:16:52 +0000 (UTC) From: Baoquan He 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 Subject: [PATCH v5 14/15] mm/kasan: add document into kernel-parameters.txt Date: Wed, 25 Feb 2026 16:14:11 +0800 Message-ID: <20260225081412.76502-15-bhe@redhat.com> In-Reply-To: <20260225081412.76502-1-bhe@redhat.com> References: <20260225081412.76502-1-bhe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 X-Mimecast-MFC-PROC-ID: 95dIczq0JzJpi40Rv-dzos7GTy3O1yMgQfUQ3TSWSsA_1772007423 X-Mimecast-Originator: redhat.com Content-type: text/plain Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: ED66820005 X-Stat-Signature: 65mx14iujdz315ndbow37rk6xnkq16fu X-HE-Tag: 1772007430-263284 X-HE-Meta: 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 3LC8wZLJ 2o9smy7+AaYpY9Y5NFNv0KC96GCQ5PUKgnjtOl2vdfiebtuwNTw1g56kK1ZczkyS/9xi+T7bdvyMtS71DlgRmZKhuv4TR5DBdWRdfB4I8o+LIa+3RGQQmMPb4o24C6+qoZ+nLM8SkbZoxOxJNrkrOZ/VYYznM2BnggjD2VRe3FRRTpVBUtPAX3KrtjguO3C1gwozWWLnVPAAV+y6LgG5SCyosQ/f+h6m//gcv9BPGT4K4HgLTnGx2l5ZGvNsmIoCHdNF7o2oXh7jzEY1LQTtCnjjd6NhtkPeaYaJvyxCH4YPee8KHYJbzTtSlBHns1maddJec3rtRHNqJ7c7TlB/krB0lgvnI1mYtQlFK0COI1LceGqfltzDxA7UDO1tGowijwp7bhaRTq46pc1OHk75RNSaDjg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: And also remove the relevant description in dev-tools/kasan.rst which is hw_tags specificially. Signed-off-by: Baoquan He --- 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