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SubjectRe: [kvm-devel] [RFC] Deferred interrupt handling.
> >> 	Guest0	-	blocked on I/O
> >>
> >> IRQ14 from your hardware
> >> Block IRQ14
> >> Sent to guest (guest is blocked)
> >>
> >> IRQ14 from hard disk
> >> Ignored (as blocked)
> >>
>
>
> But now the timer will pop and the hard disk will get its irq.
> The guest will be released right after.

How do you plan to do this ? If you unmask the interrupt then it will
immediately jam solid with IRQs from your hardware and the line will be
disabled.
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