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

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On 24/06/13 18:21, Stefano Stabellini wrote:
> On Mon, 24 Jun 2013, 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?
>>
> 
> BTW Anthony, do you have a git branch based on qemu-xen that I can pull?

git://xenbits.xen.org/people/aperard/qemu-dm.git
branch cpu-hotplug-port-v2

-- 
Anthony PERARD

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