From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41431) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wzi4N-0007Ze-Du for qemu-devel@nongnu.org; Wed, 25 Jun 2014 03:56:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wzi4D-0006jT-Jm for qemu-devel@nongnu.org; Wed, 25 Jun 2014 03:56:39 -0400 Received: from mail-wi0-x22a.google.com ([2a00:1450:400c:c05::22a]:50179) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wzi4D-0006jH-E4 for qemu-devel@nongnu.org; Wed, 25 Jun 2014 03:56:29 -0400 Received: by mail-wi0-f170.google.com with SMTP id cc10so7180232wib.5 for ; Wed, 25 Jun 2014 00:56:28 -0700 (PDT) Sender: Paolo Bonzini Message-ID: <53AA80A7.6010802@redhat.com> Date: Wed, 25 Jun 2014 09:56:23 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <1403662641-28526-1-git-send-email-tiejun.chen@intel.com> <53AA69E7.8050406@redhat.com> <20140625071529.GE25563@redhat.com> In-Reply-To: <20140625071529.GE25563@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: peter.maydell@linaro.org, xen-devel@lists.xensource.com, stefano.stabellini@eu.citrix.com, allen.m.kay@intel.com, qemu-devel@nongnu.org, Kelly.Zytaruk@amd.com, anthony.perard@citrix.com, anthony@codemonkey.ws, yang.z.zhang@intel.com, Tiejun Chen Il 25/06/2014 09:15, Michael S. Tsirkin ha scritto: > Maybe it just works? > Is tweaking vendor/device/revision id to match host really necessary? Yes, the driver inspects the fields and tweaks its behavior according to them. It also pokes at configuration space of the host bridge. It's quite disgusting. Paolo From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [v5][PATCH 0/5] xen: add Intel IGD passthrough support Date: Wed, 25 Jun 2014 09:56:23 +0200 Message-ID: <53AA80A7.6010802@redhat.com> References: <1403662641-28526-1-git-send-email-tiejun.chen@intel.com> <53AA69E7.8050406@redhat.com> <20140625071529.GE25563@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20140625071529.GE25563@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org To: "Michael S. Tsirkin" Cc: peter.maydell@linaro.org, xen-devel@lists.xensource.com, stefano.stabellini@eu.citrix.com, allen.m.kay@intel.com, qemu-devel@nongnu.org, Kelly.Zytaruk@amd.com, anthony.perard@citrix.com, anthony@codemonkey.ws, yang.z.zhang@intel.com, Tiejun Chen List-Id: xen-devel@lists.xenproject.org Il 25/06/2014 09:15, Michael S. Tsirkin ha scritto: > Maybe it just works? > Is tweaking vendor/device/revision id to match host really necessary? Yes, the driver inspects the fields and tweaks its behavior according to them. It also pokes at configuration space of the host bridge. It's quite disgusting. Paolo