Re: [Qemu-devel] qapi DEVICE_DELETED event issued *before* instance_finalize?!

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On 06/09/2016 16:02, Laine Stump wrote:
>>>
>> It seems like this is just pointing out another flaw in the semantics
>> of DEVICE_DELETED, a device can linger without a device id, so there's
>> no way to reference it via QMP.
> 
> Ah, right. I hadn't caught that. Yeah, since it's the device id that's
> used to keep track of which device the event is for, then it seems
> impossible to have an event that's issued after the device id is already
> recycled.

If a device lingers for more than say a second (most likely less---what
you're looking for is one or two synchronize_rcu cycles), it would be a
bug in QEMU.

Paolo

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