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Re: [Xen-devel] pvhvm cpu hotplug not working in xen 4.4

I would like this feature to be available, how complicated do you think it is 
to patch it ?
We don’t have extensive understanding of qemu, but if patching this are 
unlikely to break other functionality, we would try and fix it now.

What do you think? - I guess the only alternative would be to downgrade qemu 
from the one shipped with 4.4, which I’d like to avoid...

On 06/03/2014, at 15.59.33, Anthony PERARD <anthony.perard@xxxxxxxxxx> wrote:

> On Thu, Mar 06, 2014 at 02:32:48PM +0000, Ian Campbell wrote:
>> On Thu, 2014-03-06 at 15:16 +0100, Kristoffer Egefelt wrote:
>>> Is xl vcpu-set supposed to work with pvhvm in xen 4.4?
>>> I’m trying with xen 4.4 rc-6 from git, getting libxl: error:
>>> libxl_qmp.c:287:qmp_handle_error_response: received an error message
>>> from QMP server: Not supported
>>> Is some specific version of qemu needed?
>> Are you using the version tagged/shipped with 4.4-rc6 or one of your own
>> devising? ISTR Anthony fixing this not so long ago -- which would
>> suggest a fairly recent qemu was needed -- Anthony???
> We might need to wait until 4.4.1 to get back this feature:
> http://article.gmane.org/gmane.comp.emulators.xen.devel/188875
> -- 
> Anthony PERARD
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