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

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

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 (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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