Re: [Xen-devel] Re: [Patch] support of cpu pools in xl

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Fri, 2010-10-01 at 08:18 +0100, Juergen Gross wrote:
> 
> > The problem with the interface you are trying to define is
> compounded by
> > the fact that the returned array is sparse and so in fact you will
> run
> > out of space at poolid == nr_cpus+32 rather than at number of pools
> ==
> > nr_cpus+32. (Note that in contrast libxl_list_domain returns a
> compact
> > array so that you run out of space at 1024 domains total, not domid
> > 1024).
> 
> I think you misread the code. The returned array is NOT sparse. Please
> note that the hypervisor will return the info of the next cpu pool
> with poolid equal or larger as the requested one (that's the reason
> why poolid is a vital return info).

Ah, I think that makes sense, thanks for taking the time to explain.
I'll take another look at the latest patch set.

Ian.


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