Re: [Xen-devel] [RFC][PATCH 0/5] Add V4V to Xen

[Tim Deegan <tim@xxxxxxx>]

At 11:55 +0100 on 14 Jun (1339674908), Jean Guyader wrote:
> Are you talking about having different version of V4V driver running
> in the same VM?

Yes.

> I don't think that is a problem they both interact with Xen via
> hypercall directly so if they follow the v4v hypercall interface it's
> all fine.

AFAICS if they both try to register the same port then one of them will
silently get its ring discarded.  And if they both try to communicate
with the same remote port their entries on the pending lists will get
merged (which is probably not too bad).  I think the possibility for
confusion depends on how you use the service.  Still, it seems better
than the xenstore case, anyway. :)

Tim.

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