Re: [Qemu-devel] Re: [PATCHv2 2/2] tap: mark fd handler as device

[Michael S. Tsirkin]

On Mon, Nov 15, 2010 at 03:05:39PM -0600, Anthony Liguori wrote:
> On 11/15/2010 02:53 PM, Stefan Hajnoczi wrote:
> >
> >vhost has a solution for this: register a VMChangeStateHandler
> >function that stops ioeventfd while vm_stop(0) is in effect.  Then
> >poll to see if there is work pending.
> >
> >I will add equivalent functionality to virtio-ioeventfd.
> 
> I still think that stopping this at the net/block layer is going to
> be a lot more robust in the long term.
>  All net/block traffic flows
> through a single set of interfaces whereas getting the devices to
> completely stop themselves requires touching every device and making
> sure that noone adds back vmstop-unfriendly behavior down the road.
> 
> Regards,
> 
> Anthony Liguori

So I'm not sure I understand what is proposed here.
Care posting a patch?

-- 
MST