Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751548AbdITRur (ORCPT ); Wed, 20 Sep 2017 13:50:47 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59808 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751001AbdITRuo (ORCPT ); Wed, 20 Sep 2017 13:50:44 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 5B449C0828B6 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=jcm@redhat.com Subject: Re: [v4,0/3] Workaround for bus/slot reset on Cavium cn8xxx root ports To: Vadim Lomovtsev , Jan Glauber , Bjorn Helgaas , kvm@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Alex Williamson , linux-arm-kernel@lists.infradead.org References: <20170908081033.3025-1-jglauber@cavium.com> <20170912094049.GA14111@localhost.localdomain> Cc: david.daney@cavium.com, Robert Richter From: Jon Masters Message-ID: Date: Wed, 20 Sep 2017 13:50:41 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.0 MIME-Version: 1.0 In-Reply-To: <20170912094049.GA14111@localhost.localdomain> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Wed, 20 Sep 2017 17:50:44 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 887 Lines: 31 On 09/12/2017 05:40 AM, Vadim Lomovtsev wrote: > Are there any updates on this ? > Comments/objections/acks/nacks ? Any more comments? Jon. > On Fri, Sep 08, 2017 at 10:10:30AM +0200, Jan Glauber wrote: >> Using vfio-pci on a combination of cn8xxx and some PCI devices results in >> a kernel panic. This is triggered by issuing a bus or a slot reset >> on the PCI device. >> >> With this series both checks indicate that the reset is not possible >> preventing the kernel panic. >> >> David Daney (2): >> PCI: Allow PCI_DEV_FLAGS_NO_BUS_RESET to be used on bus device >> PCI: Avoid bus reset for Cavium cn8xxx root ports >> >> Jan Glauber (1): >> PCI: Avoid slot reset if bus reset is not possible >> >> drivers/pci/pci.c | 8 ++++++++ >> drivers/pci/quirks.c | 8 ++++++++ >> 2 files changed, 16 insertions(+) -- Computer Architect | Sent from my Fedora powered laptop