Re: [Xen-devel] Question about vcpu_avail

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 24/11/2009 15:08, "Michal Novotny" <minovotn@xxxxxxxxxx> wrote:

>> Yeah, I think you get it. In your example: if the user specifies maxvcpus=4,
>> vcpus=2 then xm turns that into vcpus=4, vcpu_avail=3 before sending it to
>> xend.
>>    
> Right, so, you mean that I should implement it into `xm` command itself
> and not XenD ? Well, what about people using eg. libvirt with upstream
> Xen? This way it should not be working since XM is not used... right?

If you add new config fields to xend, then libvirt callers are going to need
to be modified to expose them to users, aren't they (e.g., in a GUI or
whatever)? If the callers need modifying anyway, then they can just be
modified in a similar way to what I propose for xm, and deconstruct into the
config primitives that xend already understands.

 -- Keir



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