Re: [Xen-devel] [PATCH v2 0/7] CPU hotplug for qemu-xen for 4.3.

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 06/24/2013 05:57 PM, Stefano Stabellini wrote:
> On Mon, 17 Jun 2013, Anthony PERARD wrote:
> > Hi all,
> >
> > This series back-port recently added QEMU patches to our qemu-xen. The
> > interface between the guest and QEMU is the same as with qemu-traditional. Only
> > the interface between libxl and qemu change, instead of xenstore we are using
> > QMP to hotplug vcpus.
> >
> > Three more patches will follow this series.
> >    - two for libxl which implement the QMP command cpu-add.
> >    - one for SeaBIOS which workaround a bug.
> >
> > When using adding vcpus with this series, libxl will report many "error". This
> > is because libxl call the QMP command 'cpu-add' for every plugged vcpus, even
> > those that have been plugged before. There is currently no way to list cpus
> > that are plugged by QEMU. Also, the ways errors are handle by libxl_qmp those
> > not help yet to suppress this error printing.
> >
> > Unplug of vcpu is not supported by the series.
> >
> > Change since the first set:
> >    - back-port of QEMU patches instead of forth-port from qemu-traditional
> >    - added a SeaBIOS patch
> >
> > Regards,
> George,
> the patches are OK to go in qemu-xen as far as I am concerned.
> Should I go ahead and apply them?
Yes, please do.

 -George

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