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Re: [Qemu-devel] Is it necessary to add a Monitor event of QEVENT_DEVICE
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [Qemu-devel] Is it necessary to add a Monitor event of QEVENT_DEVICE_ADDED |
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Date: |
Thu, 3 Apr 2014 14:18:33 +0300 |
On Thu, Apr 03, 2014 at 05:02:56PM +0800, xiexiangyou wrote:
> Hi all,
>
> As we know, when hot-add a device, we don't know whether the device is
> present in VM from outside(like libvirt).
> However, unplugging device, when complete remove the device, Qemu will
> generate a Monitor event,QEVENT_DEVICE_DELETED.
> Libvirt can receive the event and do something.
> So is it necessary to add a Monitor event of completing add device such as
> QEVENT_DEVICE_ADDED.
>
> Regards,
> -xie
I don't know.
We have QEVENT_DEVICE_DELETED so libvirt doesn't do things like reuse
the slot. But what would be the point of QEVENT_DEVICE_ADDED?
--
MST