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xen-devel
Re: [Xen-devel] [PATCH] xen: don't leak IRQs over suspend/resume.
>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 02.12.09 10:01 >>>
>On 02/12/2009 08:47, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:
>
>>> Fix this by changing unbind_from_irq() to handle teardown of interrupts
>>> which
>>> have type!=IRQT_UNBOUND but are not currently bound to a specific event
>>> channel.
>>
>> This seems applicable to the 2.6.18/.27 trees too, doesn't it?
>
>Pv_ops' IRQ/evtchn handling is quite different from .18/27's. The latter
>don't have this issue -- we'd have noticed long ago if they did!
Oh, right, find_unbound_irq() in these trees doesn't look at the IRQ
type, but at irq_bindcount[], which is being updated in
unbind_from_irq() regardless of the event channel association.
Sorry for the noise,
Jan
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