From mboxrd@z Thu Jan 1 00:00:00 1970 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 9891831197B for ; Wed, 25 Feb 2026 08:17:11 +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=1772007432; cv=none; b=IOj+08LMQ4S7BW0lQzWnM3yLrw/furXZ2jj1eE5UdqMpW6Mhz6ZMLvq+v+Cwn/vPO9cDJS5Bt9W6gbLHTuTEEue+zUpOlm10B0CYwhiev6jNQf8qxw2/ogX0Z/kPvQeDswy0TkswSxBEiPVOwBP/78UXzRjf3RNNUbVa98WlW5o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772007432; c=relaxed/simple; bh=2qYkOHQ9ssN3m2WiDWJ2Jh88b8naTFxA0NJpRIww5Uc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-type; b=bOixwFhwpIOL2fiW+a4l7hOdoQXAA0ktj2qNnWg4OR4iaMKbkT9cGCQbWVh5KZ/v7mR3H13hPQ6bBGFGKZ+aTKO23/HpawhsID6GhxdaM1cDvA1XdTCautiA+KTFJuzfFzhLhRMl9OIJG1Wsy9vyGCA8MmI1okocWi1C0iNLsrE= 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=UyA4w6Sf; 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="UyA4w6Sf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1772007430; 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=UyA4w6SfPvwS7Xv996Sx9ieBzAb5I2kIksU4Z9AlfjcT3X+bC1x4KECxwpTNhcbe2tE2XT lFHtUFdGsCaFC8Y6ZuHcStK1GABgNLGeNUhyixH5AEUv7wtfIRFrhEPP54w0cOkU48lv0Y n6DW6QDNGVzvbjwpVLUCgtqucoSGfcw= 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-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 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