Re: [Qemu-devel] [Xen-devel] [PATCH RFC V1 00/11] Xen PCI Passthrough

[Avi Kivity]

On 10/04/2011 05:01 PM, Anthony Liguori wrote:
> > We also have pci passthrough in qemu-kvm (I think based on the same 
> > Neocleus
> > code). Rather than having two pci assignment implementations, I think 
> > we should
> > have just one, with the differences (programming the hypervisor) 
> > abstracted at
> > that level.
>
>
> I agree in principle but how close is qemu-kvm pci passthrough to a 
> mergable state?  Would it make sense to merge the Xen code first and 
> then abstract it?

Merging either implementation and abstracting it would risk regressions 
in the other.

How about merging both, with the ABIs (command line and qmp) tagged as 
experimental, and then doing a merge in the same style as 
i386+x86_64->x86 or the two kvm implementations in qemu?  We can pick 
one implementation as the merge target and port fixes from the other.

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