Re: [Qemu-devel] [Xen-devel] [PATCH] Add Xen platform PCI device version 2.

[Tim Deegan]

At 11:23 +0000 on 19 Jun (1371641017), Paul Durrant wrote:
> The problem is that the old Citrix PV drivers bind their version of
> xenvbd directly to the platform device (id=1). The new PV drivers bind
> their xenbus driver to their platform device, because to go onto
> Windows Update you cannot have an installer and therefore cannot bind
> to a root enumerated node. Now, if I post a version of xenbus onto
> Windows Update that binds to id=1 then I cannot prevent VMs installed
> with the old PV drivers from downloading the new version of xenbus and
> using that (since it is newer)

Is there room in the versioning to make sure that the drivers you push
via Windows Update are always 'older' than any other PV drivers
currently in circulation?

Tim.