[Xen-devel] pt_irq_time_out() dropping d->event_lock before calling pirq_guest_eoi()

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

What is the reason for this? irq_desc's lock nests inside d->event_lock,
and not having to drop the lock early would not only allow the two loops
to be folded, but also to call a short cut version of pirq_guest_eoi()
that already obtained the pirq->irq mapping (likely going to be created
when splitting the d->nr_pirqs sized arrays I'm working on currently).

Thanks, Jan


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