From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [v5][PATCH 0/5] xen: add Intel IGD passthrough
	support
Date: Wed, 25 Jun 2014 09:56:23 +0200
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To: "Michael S. Tsirkin" <mst@redhat.com>
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 <tiejun.chen@intel.com>
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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