From patchwork Thu Sep 14 11:27:39 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alessandro Carminati X-Patchwork-Id: 13385050 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56533EDE9AD for ; Thu, 14 Sep 2023 11:28:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237936AbjINL2l (ORCPT ); Thu, 14 Sep 2023 07:28:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238393AbjINL23 (ORCPT ); Thu, 14 Sep 2023 07:28:29 -0400 Received: from mail-wm1-x32a.google.com (mail-wm1-x32a.google.com [IPv6:2a00:1450:4864:20::32a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 466431FD5; Thu, 14 Sep 2023 04:28:21 -0700 (PDT) Received: by mail-wm1-x32a.google.com with SMTP id 5b1f17b1804b1-404573e6c8fso5416335e9.1; Thu, 14 Sep 2023 04:28:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1694690899; x=1695295699; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=C84N4KpIlfLhULr5hc4AJixueUMKVFzThA0tY3ldPeI=; b=Z8wk4XZFPTKNMtHRF9MEnC9DcvgmQZNd4jxKilm4/K82HnIKUrQjf+xPYFzZGVpBwf +AXQZ5Vq5WRi/QHPLFnDlCtM2wAsTDQdzj400R+wKh4ofX/dTPwKQrdXV3ZP643xkjPU QaILr3rLYpjE0HZi+exUFhEGwGWvVmKkv9BDelEdhx1jKLLUXIKSRPqFL1k8r+e7Ffq1 lg3yaUXp07oHDoDeY8WbC1LM9aDQoCUoiKkynnL8U3BCRxJKINGkm6OS8j6MUNkO/ma4 ji4yUdfS8aidHiHhSUPnlEBXoDq1RSVUJ7E+A5ChZHUbl7DrhPtvtNv9+CkBxa256Rpv FFbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694690899; x=1695295699; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=C84N4KpIlfLhULr5hc4AJixueUMKVFzThA0tY3ldPeI=; b=L2vlXgrmH1iwMFBa+JzcojNCS/I3IRAxI3LK8FhK69zTviihwp4geyDi7Cpbrg6HR7 pFQ2ntTP25FO0Y5H0oHc7JfzBFrvFOMvEWzTxrk/fCAeDgEQp3ngseREvujVhTaWNpTs pT6/fAZgRkiGqshEmqgH2snIsV+VahrR6WdPTG5StMHWHf1fsquN5iyfCKfkRYDAbJV5 yKTjzh5bJKEJyQsDcvTu+W+i94mvYH8+9JHlrJaoLFFhoDglI8AoAbAyHEUWay+Vx3Yn /jLp/1s4kXG2knSrUsBKDzeuIZ84y6tXKQ4y+l13paw4k6YBapBii4pWx4Ihn1uZ0GvK eFMw== X-Gm-Message-State: AOJu0YzQAJZPsjstovbr8cHG7fjeu3n9HgDAAXiVRlMX9gAVu/UbuFG+ hFBjoJm0xXOq9K2+O/iZQPgSDIF0Fn6JRw== X-Google-Smtp-Source: AGHT+IELJuTUdJIWSQ45iy2wGCtfTswWTAWydjDtGP+/E0KFWu7+R7gYsQAjHOzxx+ZQlRvEhMEfFg== X-Received: by 2002:a1c:7402:0:b0:402:feff:90d5 with SMTP id p2-20020a1c7402000000b00402feff90d5mr4446473wmc.5.1694690899199; Thu, 14 Sep 2023 04:28:19 -0700 (PDT) Received: from lab.hqhome163.com ([194.183.10.152]) by smtp.googlemail.com with ESMTPSA id l36-20020a05600c1d2400b003fef5402d2dsm4786764wms.8.2023.09.14.04.28.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Sep 2023 04:28:18 -0700 (PDT) From: "Alessandro Carminati (Red Hat)" To: linux-modules@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Luis Chamberlain , Jonathan Corbet , linux-doc@vger.kernel.org, Alessandro Carminati Subject: [RFC PATCH 2/2] docs: Update kernel-parameters.txt for signature verification enhancement Date: Thu, 14 Sep 2023 11:27:39 +0000 Message-Id: <20230914112739.112729-3-alessandro.carminati@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230914112739.112729-1-alessandro.carminati@gmail.com> References: <20230914112739.112729-1-alessandro.carminati@gmail.com> MIME-Version: 1.0 Content-type: text/plain Precedence: bulk List-ID: Update kernel-parameters.txt to reflect new deferred signature verification. Enhances boot speed by allowing unsigned modules in initrd after bootloader check. Signed-off-by: Alessandro Carminati (Red Hat) --- Documentation/admin-guide/kernel-parameters.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 0c38a8af95ce..beec86f0dd05 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3410,6 +3410,15 @@ Note that if CONFIG_MODULE_SIG_FORCE is set, that is always true, so this option does nothing. + module_sig_check_wait= + This parameter enables delayed activation of module + signature checks, deferring the process until userspace + triggers it. Once activated, this setting becomes + permanent and cannot be reversed. This feature proves + valuable for incorporating unsigned modules within + initrd, especially after bootloader verification. + By employing this option, boot times can be quicker. + module_blacklist= [KNL] Do not load a comma-separated list of modules. Useful for debugging problem modules.