Re: [RFC] Deferred interrupt handling.

Alan Cox
2007-07-18T17:33:58Z

> >> 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.