From nobody Tue Apr 7 07:05:53 2026 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3C15E311946 for ; Wed, 25 Feb 2026 08:17:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772007433; cv=none; b=ljf0AEO3In9ARICftmwVjMTDJupuUMGJtlT/jB6ivFJDJPfy0REvlMJbGCp1tYXIxCCkWlXycPdxF2SlL7hliIkYxUFZ8UA10tNPvYO7pmKHHNc+kKuSTY9KM341CroAIHQZ7yX83UiEK8nAW/kQCGjlyZLLz4Nw/hvlHCg1QQE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772007433; c=relaxed/simple; bh=2qYkOHQ9ssN3m2WiDWJ2Jh88b8naTFxA0NJpRIww5Uc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-type; b=Q3PbzHKoXtsBLx2tQGBh2rOvDs/4++cjeQ5B5UuRYGpqEAN1G8D28HDEs98/tQl5+sateflwQYdEQnKzr9113kOuWG6aByU9Ccj3qr9o905oIxOUiq9TiGc/Eaz5nVwaCHwU7+ZKRaiqITy3nZWiyit+erJKXWOA7AghV22cfiQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=HF6ceENm; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="HF6ceENm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1772007431; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oT83zYbQb0MMseAk5Xm5Eaz7XNiK7MPHbcs4LQizA5Y=; b=HF6ceENmCOMyeQ8LrLa/o7C9DvtoQJB/T9BxRnGUVzm3w8DKP5Tm/WZ+EgfEhZv1cD2HmZ qEuHAkGtSUzy5yPDVZwm2XIkvf/qfGxGGwd+3/aKdKC6HoxVN4GRFhk+/LFSA4Q4fBpLLz LE3S5VzBhtzVUItTcVhnoakc9tjTBrs= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-68--PGROTGBN1uM5wyFliyqng-1; Wed, 25 Feb 2026 03:17:06 -0500 X-MC-Unique: -PGROTGBN1uM5wyFliyqng-1 X-Mimecast-MFC-AGG-ID: -PGROTGBN1uM5wyFliyqng_1772007423 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id AA092195609D; 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 Content-Type: text/plain; charset="utf-8" And also remove the relevant description in dev-tools/kasan.rst which is hw_tags specificially. Signed-off-by: Baoquan He Reviewed-by: Samuel Holland --- 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/Documentatio= n/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=3D [HW,JOY] Analog joystick See Documentation/input/joydev/joystick.rst. =20 + kasan=3D [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/ka= san.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 pr= oduction as a security mitigation. Therefore, it supports additional boot parameters that allow disabling KASAN altogether or controlling its features: =20 -- ``kasan=3Doff`` or ``=3Don`` controls whether KASAN is enabled (default:= ``on``). - - ``kasan.mode=3Dsync``, ``=3Dasync`` or ``=3Dasymm`` controls whether KAS= AN is configured in synchronous, asynchronous or asymmetric mode of execution (default: ``sync``). --=20 2.52.0