On Wed, Aug 25, 2010 at 03:48:35PM -0700, Ritu kaur wrote:
> Thanks Konrad. Additional Q below
> On Wed, Aug 25, 2010 at 3:34 PM, Konrad Rzeszutek Wilk <
> > On Wed, Aug 25, 2010 at 03:17:29PM -0700, Ritu kaur wrote:
> > > Hello,
> > >
> > > Couple of months back when we were testing xcp 0.1.1 and pci passthrough
> > we
> > > ran into issues when pci-passthrough enabled device shared interrupts
> > with
> > > another controller(in our case interrupt was shared between ide
> > controller
> > > and our nic). At that time Ian Campbell suggested backporting
> > event-channel
> > > changes from pvops to 2.6.27 kernel. Have two questions related to this
> > >
> > > 1. I am thinking of porting the changes now but wanted to check if it has
> > > been addressed?
> > I've added some patches in the pvops tree that make this work. You would
> > essentially have to backport the pciback driver to the XCP
> > infrastructure. And you might have to backport the event channels as
> > well, not sure about that.
> I will take a look at the patches.
> > >
> > > 2. Will shared interrupts be a problem for pci-e slots as well?
> > No.
> So if I have XCP + NIC installed in pci-e slot and interrupts shared with
> another device, pci passthrough should work fine, is this correct?