Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755403AbdIHIK5 (ORCPT ); Fri, 8 Sep 2017 04:10:57 -0400 Received: from mail-wr0-f194.google.com ([209.85.128.194]:38192 "EHLO mail-wr0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754673AbdIHIKx (ORCPT ); Fri, 8 Sep 2017 04:10:53 -0400 X-Google-Smtp-Source: ADKCNb6xXSLH4NiWr7sKHv3+BFrXtLdHfXQ1xDoCA0p5LAd305PjFHkxhQUi7Hr4yOQtsecnqpV7hg== From: Jan Glauber To: Bjorn Helgaas Cc: linux-pci@vger.kernel.org, Alex Williamson , linux-kernel@vger.kernel.org, david.daney@cavium.com, Jon Masters , Robert Richter , linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, Jan Glauber Subject: [PATCH v4 0/3] Workaround for bus/slot reset on Cavium cn8xxx root ports Date: Fri, 8 Sep 2017 10:10:30 +0200 Message-Id: <20170908081033.3025-1-jglauber@cavium.com> X-Mailer: git-send-email 2.9.0.rc0.21.g7777322 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 598 Lines: 20 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(+) -- 2.9.0.rc0.21.g7777322