Re: [Xen-devel] [PATCH RFC v2 1/2] linux/vnuma: vNUMA for PV domu guest

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

On mer, 2013-09-18 at 02:30 -0400, Elena Ufimtseva wrote:
> On Tue, Sep 17, 2013 at 10:21 AM, Boris Ostrovsky
>
> >> +int __init xen_numa_init(void)
> >> +{
[snip]
> >> +       setup_nr_node_ids();
> >> +       /* Setting the cpu, apicid to node */
> >> +       for_each_cpu(cpu, cpu_possible_mask) {
> >> +               set_apicid_to_node(cpu, cpu_to_node[cpu]);
> >> +               numa_set_node(cpu, cpu_to_node[cpu]);
> >> +               __apicid_to_node[cpu] = cpu_to_node[cpu];
> >
> >
> > Isn't this what set_apicid_to_node() above will do?
> 
> Yes, exactly the same ) will fix.
>
I seem to recall that something strange was happening if we do not do
this in this way (i.e., calling the same stuff twice, or something like
that), isn't it so Elena?

If it is, please, explain that in a comment. However, it may well be
possible that my recollection is wrong.. In which case, sorry for the
noise.

Anyway, in general, and both for this series and for the Xen one, I
think the code could use a little bit more of commenting (along with the
breaking up in paragraphs, as many have already pointed out).

I know, I know, too much comments is also bad... Actually, finding the
right balance between too few and too much is as much important as it is
difficult! :-P

Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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