Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752208AbdFSQQm (ORCPT ); Mon, 19 Jun 2017 12:16:42 -0400 Received: from foss.arm.com ([217.140.101.70]:53198 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751024AbdFSQQk (ORCPT ); Mon, 19 Jun 2017 12:16:40 -0400 Subject: Re: [PATCH v5 2/3] PCI: Add tango PCIe host bridge support To: Marc Gonzalez , Bjorn Helgaas References: <741766e5-cff2-db5f-d40b-6866e08fd966@sigmadesigns.com> <1802aae0-f97b-c437-c00e-5fa7c867286d@sigmadesigns.com> <654acba8-68b9-fb4c-4681-35af94b6bd74@sigmadesigns.com> <6abfe9ce-5c32-9be0-e276-ed14253aa773@sigmadesigns.com> <7d9bfb52-b33a-79ea-dccf-fff1f849bd15@arm.com> Cc: Thomas Gleixner , Robin Murphy , Lorenzo Pieralisi , Liviu Dudau , David Laight , linux-pci , Linux ARM , Thibaud Cornic , LKML , Mason From: Marc Zyngier Organization: ARM Ltd Message-ID: <0d84a5fc-9549-5fef-837b-4102d2e1f1d2@arm.com> Date: Mon, 19 Jun 2017 17:16:21 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=iso-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1623 Lines: 48 On 19/06/17 17:01, Marc Gonzalez wrote: > On 19/06/2017 17:58, Marc Zyngier wrote: >> On 19/06/17 15:50, Marc Gonzalez wrote: >>> On 07/06/2017 10:19, Marc Gonzalez wrote: >>> >>>> On 31/05/2017 15:33, Marc Gonzalez wrote: >>>> >>>>> +static int tango_pcie_probe(struct platform_device *pdev) >>>>> +{ >>>>> + int ret = -EINVAL; >>>>> + void __iomem *base; >>>>> + struct resource *res; >>>>> + struct tango_pcie *pcie; >>>>> + struct device *dev = &pdev->dev; >>>>> + >>>>> + pr_err("MAJOR ISSUE: PCIe config and mem spaces are muxed\n"); >>>>> + pr_err("Tainting kernel... Use driver at your own risk\n"); >>>>> + add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK); >>>> >>>> Hello Bjorn, >>>> >>>> In v4, your only comment was >>>> "[muxing config and mem spaces] is a major issue and possibly even >>>> a security problem [which requires at least an error message and a >>>> kernel taint]. >>>> >>>> Were there any other issues with the host bridge support? >>> >>> Hello Bjorn, >>> >>> I imagine you are now only waiting for Marc Z's Ack of patch 3/3 ? >>> (AFAIU, all issues have been addressed as of v8 3/3.) >> >> Posting partial series is really not ideal, specially as you posted 3 of >> them in less than 24 hours (and the latest was only 5 days ago). >> >> The maintainer is not going to chase you about potentially missing >> patches... > > So the best course would be posting a new series with all patches > bumped to v8 then? No, because there is still the ambiguity of *which* v8 that is. Post a v9 that supersedes all the previously posted patches. M. -- Jazz is not dead. It just smells funny...