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Re: [Qemu-devel] About hotplug multifunction

From: Michael S. Tsirkin
Subject: Re: [Qemu-devel] About hotplug multifunction
Date: Mon, 12 Sep 2011 15:24:59 +0300
User-agent: Mutt/1.5.21 (2010-09-15)

On Mon, Sep 12, 2011 at 07:56:07AM -0300, Marcelo Tosatti wrote:
> On Mon, Sep 12, 2011 at 07:21:48AM -0300, Marcelo Tosatti wrote:
> > > We could, for example, keep a stub function 0 around.
> > 
> > I suppose the guest will remove all functions of a device once you
> > attempt to hot-unplug a function.
> > 
> > What is the problem with adding more PCI buses, instead of multifunction
> > ?
> The advantage is that its not only possible to use virtio devices, but any
> kind of PCI device.

Yes. But it is a new feature. Creating multifunction devs is
*already* possible. Hotplug is partially broken,
so getting it into a consistent non buggy state has
value imho.


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