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[23.128.96.18]) by mx.google.com with ESMTP id dg1si3453024edb.182.2020.05.09.21.12.02; Sat, 09 May 2020 21:12:26 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=Dmd8yRRm; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725895AbgEJEKs (ORCPT + 99 others); Sun, 10 May 2020 00:10:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725764AbgEJEKr (ORCPT ); Sun, 10 May 2020 00:10:47 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9EE7C061A0C; Sat, 9 May 2020 21:10:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To: Subject:Sender:Reply-To:Content-ID:Content-Description; bh=owAot+qmO/9ju7amjwT7rm5RTL4wob867q4PEFbG3dE=; b=Dmd8yRRmdSG4T/CvAazXNFlHT/ x5yzajdXUhYDJ6icjQTpl0zweRezH+jGeDQdmwof2Ch2JTfCLzVRZsDa+Yu3PXpvriYaOCi0hs76A 9jX8R/xvL4xynogDjRUJBlnbfYASpShiPYqWzx5CvGv9UXrcJxTVFZPi5C8vQdPD2fa6qlISqv+EJ 6D2K+J3slCtrOppYBDURi/2ra8OdbMjsU9ty+JuHRblmH8owhkhMX5QrFbN/Elp/eLMTqbnExOrx0 kFMCaVhXnnErtp1YcLMT92QVFsEtus0LEKXFvfuLWCMEBuLnYg1p3swVG+bkTQo0NpZjF5xzQRY8l PX6rm/YQ==; Received: from [2601:1c0:6280:3f0:897c:6038:c71d:ecac] by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jXdIL-0000YL-Cq; Sun, 10 May 2020 04:10:29 +0000 Subject: Re: [PATCH v3] kernel: add panic_on_taint To: Baoquan He , Rafael Aquini Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kexec@lists.infradead.org, linux-fsdevel@vger.kernel.org, dyoung@redhat.com, corbet@lwn.net, mcgrof@kernel.org, keescook@chromium.org, akpm@linux-foundation.org, cai@lca.pw, tytso@mit.edu, bunk@kernel.org, torvalds@linux-foundation.org, gregkh@linuxfoundation.org, labbott@redhat.com, jeffm@suse.com, jikos@kernel.org, jeyu@suse.de, tiwai@suse.de, AnDavis@suse.com, rpalethorpe@suse.de References: <20200509135737.622299-1-aquini@redhat.com> <20200510025921.GA10165@MiWiFi-R3L-srv> From: Randy Dunlap Message-ID: Date: Sat, 9 May 2020 21:10:25 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200510025921.GA10165@MiWiFi-R3L-srv> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/9/20 7:59 PM, Baoquan He wrote: > Read admin-guide/tainted-kernels.rst, but still do not get what 'G' means. I interpret 'G' as GPL (strictly it means that no proprietary module has been loaded). But I don't see why TAINT_PROPRIETARY_MODULE is the only taint flag that has a non-blank c_false character. It could just be blank also AFAICT. Then the 'G' would not be there to confuse us. :) -- ~Randy