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xen-devel
Re: [Xen-devel] another regression from IRQ handling changes
On 22/09/2009 10:53, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:
> I wouldn't base this on the passed in IRQ number, but instead on the
> number of IRQs mapped - if the proposed array doesn't have a spare
> slot anymore, switch to passing back the magic vector (and assume
> pirq == irq in ioapic_guest_write() - we could even add checking of
> that for all previously enabled IRQs this relation is true, and fail
> PHYSDEVOP_alloc_irq_vector if the array got exhausted and Dom0
> didn't use only GSIs before). But besides that detail your idea sounds
> fine at least from a Linux perspective.
>
> Are you planning on getting this done, or should I?
Feel free to go ahead. Unfortunately I guess neither of us can properly test
this case? :-(
-- Keir
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