Re: [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support

[Anthony Liguori]

Greg KH wrote:
> On Thu, Nov 06, 2008 at 10:47:41AM -0700, Matthew Wilcox wrote:
>   
> > I don't think we really know what the One True Usage model is for VF
> > devices.  Chris Wright has some ideas, I have some ideas and Yu Zhao has
> > some ideas.  I bet there's other people who have other ideas too.
> >     
>
> I'd love to hear those ideas.
>   

We've been talking about avoiding hardware passthrough entirely and just 
backing a virtio-net backend driver by a dedicated VF in the host.  That 
avoids a huge amount of guest-facing complexity, let's migration Just 
Work, and should give the same level of performance.

Regards,

Anthony Liguori

> Rumor has it, there is some Xen code floating around to support this
> already, is that true?
>
> thanks,
>
> greg k-h
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