Re: [KVM PATCH v3 2/2] kvm: add support for irqfd viaeventfd-notification interface

From: Michael S. Tsirkin
Date: Sun May 03 2009 - 15:26:25 EST


On Sun, May 03, 2009 at 10:17:16PM +0300, Avi Kivity wrote:
>> Actually there's a third option: add KVM_MASK_IRQ, KVM_UNMASK_IRQ ioctls
>> which will block/unblock guest from getting interrupt on this irq,
>> whatever the source. Interrupts are queued in kernel while masked. A
>> third ioctl KVM_PENDING_IRQS will return the status for a set if IRQs.
>> qemu would call these ioctls when guest edits the MSIX vector control or
>> reads the pending bit array.
>>
>
> I think this is the best option.

Sounds good.

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