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xen-devel
Re: [Xen-devel] RE: SR-IOV for pv_ops dom0
On Sun, Sep 27, 2009 at 11:02:38AM +0800, Qing He wrote:
> On Sat, 2009-09-26 at 19:06 +0800, Pasi Kärkkäinen wrote:
> > Hello,
> >
> > Is pv_ops dom0 (xen/master) currently ready for SR-IOV, or are
> > additional patches still needed?
> >
>
> VFs can be created and assigned to HVM domains, we've tested that. But
> assigning VFs to PV domains doesn't work since the support isn't
> complete (at least MSI, I'm not sure about the status of INTx device).
>
Ok. Do you know if anyone is working on adding those missing bits?
Is it missing only from domU kernel, or also from Xen hypervisor PV code?
Also, what kernel you used in the HVM guest for SR-IOV? Just so I can
try this myself some day.. :)
> > Can upstream/vanilla 2.6.31 be used as PV guest and run the VF driver?
> > Or does it need additional patches?
>
> Vanilla kernel doesn't have pirq and msi-x related code, so VF doesn't
> work there either.
>
Ok. Do you know if this is being worked on?
Thanks for the replies!
-- Pasi
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