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Re: [Xen-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support

On 07/01/2014 02:06 PM, Michael S. Tsirkin wrote:
On Tue, Jul 01, 2014 at 01:39:04PM -0400, Ross Philipson wrote:


What class does your ISA bridge device have?

#define PCI_CLASS_BRIDGE_ISA             0x0601

Also I don't like the idea of tying Tiejun's patch series, that covers a
very narrow use case, to something as important and general purpose as
upgrading chipset.

If it's true that implementing igd passthrough on top of q35 is much
cleaner architecturally, then I don't see why we should merge a stop-gap
solution that we'll need to then support indefinitely.

We are talking about upstreaming functionality that xen already has, right?
So there's no time to market concern, whoever wants a solution today
has it.  Why not do it in the cleanest possible way?

Ross Philipson

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Ross Philipson

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