Re: [Xen-devel] [PATCH RFC v2 5/7] libxl/vNUMA: VM config parsing functions

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

On mer, 2013-10-09 at 14:45 -0400, Elena Ufimtseva wrote:
> The other simplified way is to specify only two values. One for the
> distance between same node and another between not the same nodes.
> like this:
> 
> vdistance = [10, 20]
> 
Mmm... I like it...

> and this will expand to
> 
> 10 20 20 20
> 20 10 20 20
> 20 20 10 20
> 20 20 20 10
> 
> for 4 nodes.
>
Nice.

> There is a loss in flexibility of course and other parsing can remain
> the same or as George proposed, using lists.
> 
Well, can't we support both? I mean, even if you configure 2 nodes you'd
need 4 values, right? So, there are no cases where you only specify 2
values.

Well, let's make it like this: if you provide 2 values, it acts as you
say above; otherwise you have to specify all of them. If you should have
specified 4 (or 16) values, and you specify, say, 3 (or, say, 10) all
the unspecified ones will have the same default value (e.g., 10). How do
you like this?

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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