Re: [Xen-devel] [PATCH 2/2] xen: fill topology info for online cpus only

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Aug 30, 2018 at 08:48:40AM +0100, Wei Liu wrote:
> On Wed, Aug 29, 2018 at 08:23:02PM +0200, Juergen Gross wrote:
> > The topology information obtainable via XEN_SYSCTL_cputopoinfo is
> > filled rather weird: the size of the array is derived from the highest
> > online cpu number, while the data is set to "invalid" for not present
> > cpus only.
> > 
> > With smt=0 the information for parked threads is all zero, so it should
> > be best to return "invalid" information for offline cpus.
> > 
> > On a dual core system without this patch xl info -n will print:

BTW I think it would be clearer if you say 2c4t, or in full -- 2 cores 4
threads.

Wei.

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