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Re: [Xen-devel] SR-IOV function passthrough to a PV domU

To: Jan Beulich <JBeulich@xxxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] SR-IOV function passthrough to a PV domU
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Wed, 16 Jun 2010 09:37:14 +0100
Cc: Chris, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Reeves <chrisr@xxxxxxxxxxxxxxxx>
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On 16/06/2010 08:59, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:

>>>> On 15.06.10 at 23:31, Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx> wrote:
>>>  Is it possible to use pci passthrough with SR-IOV virtual functions to a
>>> PV domU?
>> 
>> Yes, though you need to use a dom0 kernel with the attached pciback patch.
> 
> That patch is an almost complete revert of c/s 999 - is that really the
> right thing to have?

I expect Ian attached my patch to pciback. C/s 999 reverts that and applies
Intel's alternative patch in its place, since we decided that was a slightly
better fix. Really either patch would do.

The existence of Intel's patch was raised by you, Jan, so I assumed you must
already have the Intel fix in your trees.

 -- Keir

> Jan



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