From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751805AbdKTQd7 (ORCPT ); Mon, 20 Nov 2017 11:33:59 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:39865 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751537AbdKTQd5 (ORCPT ); Mon, 20 Nov 2017 11:33:57 -0500 Subject: Re: [PATCH v9 4/5] x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 30h-3fh) Processors v5 To: christian.koenig@amd.com, helgaas@kernel.org, linux-pci@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org References: <20171018135821.3248-1-deathsimple@vodafone.de> <20171018135821.3248-5-deathsimple@vodafone.de> From: Boris Ostrovsky Message-ID: <26df0a78-8028-e42c-ce50-4cefe612a7e1@oracle.com> Date: Mon, 20 Nov 2017 11:33:49 -0500 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=utf-8 Content-Transfer-Encoding: 8bit X-Source-IP: userv0022.oracle.com [156.151.31.74] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/20/2017 11:07 AM, Christian König wrote: > Am 20.11.2017 um 16:51 schrieb Boris Ostrovsky: >> >> (and then it breaks differently as a Xen guest --- we hung on the last >> pci_read_config_dword(), I haven't looked at this at all yet) > > Hui? How does this fix applies to a Xen guest in the first place? > > Please provide the output of "lspci -nn" and explain further what is > your config with Xen. > > This is dom0. -bash-4.1# lspci -nn 00:00.0 Host bridge [0600]: ATI Technologies Inc RD890 Northbridge only dual slot (2x16) PCI-e GFX Hydra part [1002:5a10] (rev 02) 00:00.2 Generic system peripheral [0806]: ATI Technologies Inc Device [1002:5a23] 00:0d.0 PCI bridge [0604]: ATI Technologies Inc RD890 PCI to PCI bridge (external gfx1 port B) [1002:5a1e] 00:11.0 SATA controller [0106]: ATI Technologies Inc SB700/SB800 SATA Controller [AHCI mode] [1002:4391] 00:12.0 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller [1002:4397] 00:12.1 USB Controller [0c03]: ATI Technologies Inc SB700 USB OHCI1 Controller [1002:4398] 00:12.2 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB EHCI Controller [1002:4396] 00:13.0 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller [1002:4397] 00:13.1 USB Controller [0c03]: ATI Technologies Inc SB700 USB OHCI1 Controller [1002:4398] 00:13.2 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB EHCI Controller [1002:4396] 00:14.0 SMBus [0c05]: ATI Technologies Inc SBx00 SMBus Controller [1002:4385] (rev 3d) 00:14.3 ISA bridge [0601]: ATI Technologies Inc SB700/SB800 LPC host controller [1002:439d] 00:14.4 PCI bridge [0604]: ATI Technologies Inc SBx00 PCI to PCI Bridge [1002:4384] 00:14.5 USB Controller [0c03]: ATI Technologies Inc SB700/SB800 USB OHCI2 Controller [1002:4399] 00:18.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1600] 00:18.1 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1601] 00:18.2 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1602] 00:18.3 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1603] 00:18.4 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1604] 00:18.5 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1605] 00:19.0 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1600] 00:19.1 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1601] 00:19.2 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1602] 00:19.3 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1603] 00:19.4 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1604] 00:19.5 Host bridge [0600]: Advanced Micro Devices [AMD] Device [1022:1605] 01:04.0 VGA compatible controller [0300]: Matrox Graphics, Inc. MGA G200eW WPCM450 [102b:0532] (rev 0a) 02:00.0 Ethernet controller [0200]: Intel Corporation 82576 Gigabit Network Connection [8086:10c9] (rev 01) 02:00.1 Ethernet controller [0200]: Intel Corporation 82576 Gigabit Network Connection [8086:10c9] (rev 01) -bash-4.1# -boris