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Re: [Xen-devel] Re: [PATCH 1/5] xen: events: use irq_alloc_desc(_at) instead of open-coding an IRQ allocator.



> > So a pvops dom0 kernel all ready seems to require a very recent hypervisor. 
> > So for a dom0 pvops kernel there has to be much less worry about support 
> > for older hypervisors for Xen guests it would only apply for pv domains ?
> > So this could perhaps also be the opportunity to change things ?
> > 
> 
> That is true, however we should try to avoid introducing new
> incompatibilities unless really necessary.

<nods> Especially as there is nothing wrong with using the 4.0 Xen Hypervisor
(released months ago) with 2.6.37.

> In this case it should be sufficient to keep using pirq == gsi for
> gsi < 16.

So we would still need our own interrupt allocation mechanism to
deal with this then.

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