I would like to add that if you are an Ubuntu user, 13.10 has the libvirt
version (1.1.1) required to support these features fully. Libvirt 1.0.0
supports only..
<hyperv>
<relaxed state='on'/>
</hyperv>
On Fri, Dec 13, 2013 at 11:52 PM, Shankhadeep Shome <[email protected]>wrote:
> Thanks Michael, this is really useful for our deployment, we have a mix of
> windows and Linux VMs and this would certainly help, I'm sure the vapic
> feature will be especially useful considering the wonky way windows handles
> apic shutdown calls at the moment.
>
>
> On Fri, Dec 13, 2013 at 6:21 AM, Ruben S. Montero <
> [email protected]> wrote:
>
>> Hi Michael,
>>
>> Thanks for your contribution!!!. I've filled a bug for this:
>>
>> http://dev.opennebula.org/issues/2567
>>
>> Cheers Ruben,
>>
>> PS: Probably the dev mailing list is better to discuss this.
>>
>>
>> On Fri, Dec 13, 2013 at 11:26 AM, Michael Kutzner <
>> [email protected]> wrote:
>>
>>> Hi,
>>>
>>> another small patch I would like to share.
>>>
>>> Newer versions of libvirt and kvm support the cpu feature
>>> hv_spinlocks, hv_relaxe
>>> (e.g. see here http://wiki.qemu.org/ChangeLog/1.1)
>>>
>>> To make that work in ON4.4 I attached a small patch, so you can
>>> configure that
>>> in sunstone (Templates -> OS-Booting -> Features)
>>> and the XML is added to the features section of deployment.xml
>>>
>>> It adds:
>>> <features>
>>> …
>>> <hyperv>
>>> <relaxed state='on'/>
>>> <vapic state='on'/>
>>> <spinlocks state='on' retries='4096'/>
>>> </hyperv>
>>> </features>
>>>
>>> Beware that you need a current libvirt and qemu before activating that
>>> feature.
>>> (Dont know, if that is already supported in e.g. RH6.x but I suppose so).
>>>
>>> See also here:
>>> http://www.linux-kvm.org/wiki/images/0/0a/2012-forum-kvm_hyperv.pdf
>>>
>>>
>>> Best, Michael
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> [email protected]
>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>>
>>>
>>
>>
>> --
>> --
>> Ruben S. Montero, PhD
>> Project co-Lead and Chief Architect
>> OpenNebula - Flexible Enterprise Cloud Made Simple
>> www.OpenNebula.org | [email protected] | @OpenNebula
>>
>> _______________________________________________
>> Users mailing list
>> [email protected]
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>>
>>
>
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