From: "Michael S. Tsirkin" <mst@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org, blauwirbel@gmail.com,
yamahata@valinux.co.jp,
Alex Williamson <alex.williamson@redhat.com>,
Amos Kong <akong@redhat.com>
Subject: Re: [Qemu-devel] About hotplug multifunction
Date: Mon, 12 Sep 2011 15:24:59 +0300 [thread overview]
Message-ID: <20110912122458.GC12294@redhat.com> (raw)
In-Reply-To: <20110912105607.GA12849@amt.cnet>
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.
--
MST
next prev parent reply other threads:[~2011-09-12 12:24 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1749303074.590739.1315551830460.JavaMail.root@zmail05.collab.prod.int.phx2.redhat.com>
2011-09-09 7:08 ` [Qemu-devel] About hotplug multifunction Amos Kong
2011-09-09 7:32 ` Michael S. Tsirkin
2011-09-09 17:05 ` Alex Williamson
2011-09-09 18:34 ` Marcelo Tosatti
2011-09-11 9:23 ` Michael S. Tsirkin
2011-09-11 15:01 ` Marcelo Tosatti
2011-09-11 18:51 ` Michael S. Tsirkin
2011-09-12 10:21 ` Marcelo Tosatti
2011-09-12 10:56 ` Marcelo Tosatti
2011-09-12 12:24 ` Michael S. Tsirkin [this message]
2011-09-13 12:23 ` Amos Kong
2011-09-13 14:24 ` Amos Kong
2011-09-09 17:43 ` Isaku Yamahata
2011-09-11 9:05 ` Michael S. Tsirkin
2011-09-13 5:57 ` Isaku Yamahata
2011-09-13 6:52 ` Gleb Natapov
2011-09-13 7:00 ` Isaku Yamahata
2011-09-13 10:00 ` Michael S. Tsirkin
2011-09-13 10:05 ` Michael S. Tsirkin
2011-09-13 10:05 ` Gleb Natapov
2011-11-23 9:06 ` Amos Kong
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