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[2620:137:e000::3:4]) by mx.google.com with ESMTPS id l2-20020a635702000000b0057777451a91si3585302pgb.581.2023.09.15.09.26.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Sep 2023 09:26:53 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) client-ip=2620:137:e000::3:4; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=Z8wk4XZF; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id 324C1832D718; Thu, 14 Sep 2023 04:28:52 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238107AbjINL2o (ORCPT + 35 others); Thu, 14 Sep 2023 07:28:44 -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-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: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Thu, 14 Sep 2023 04:28:52 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777120027505136739 X-GMAIL-MSGID: 1777121585890596126 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.