RE: Using the -xen kernel rather than -xen0/U was [Xen-users] Poorhard disk performance on xen-3/dom0

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> > Sure, you'll domU kernel may need an initrd (depends on the 
> > filesystem) and will need modules installed in the guest 
> filesystem.  
> > It won't be any larger than a -xenU kernel. The fact that it has 
> > privileged and back-end modules built for it doesn't matter -- it 
> > can't actually use any of them as Xen won't allow it.
> 
> Oh, did this change?  I was under the impression we could 
> have a guest domain take control of a NIC, for example. 

Only under Xen's control. Just be cause a guest has privileged
components built into it doesn't mean it its acutually allowed to use
them.

"PCI passthrough" as its become known is on its way back into Xen 3.0 --
it just didn't make the 3.0.0 cut off.

Ian 

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