Re: [Xen-devel] [PATCH 2 of 4] xen: introduce PHYSDEVOP_get_nr_pirqs

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 31/08/2010 13:24, "Stefano Stabellini" <Stefano.Stabellini@xxxxxxxxxxxxx>
wrote:

> On Tue, 31 Aug 2010, Keir Fraser wrote:
>> Useful why? What if we'd like nr_pirqs to be per-domain dynamic in future?
>> 
> 
> That wouldn't be a good idea considering that the current
> PHYSDEVOP_map_pirq interface allows the guest to choose the pirq
> number

So what significance does nr_pirqs have to the guest?

> (unless the guest explicitely passes map.pirq == -1, but only PV
> on HVM guests and qemu do it, after my series).
> 



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