Re: [Xen-devel] [PATCH 2/2] x86/NUMA: cleanup

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

On Wed, 2016-08-10 at 05:47 -0600, Jan Beulich wrote:
> > On 10.08.16 at 12:35, <andrew.cooper3@xxxxxxxxxx> wrote:
> > I observe that CONFIG_NUMA_EMU is also unconditionally true, which
> > offers further cleanup opportunities (albeit it probably a separate
> > patch).
> So I thought, but then wasn't sure eliminating just the conditionals
> it would actually be the right route - the alternative would be to
> instead just drop that NUMA emulation code altogether, as no-one
> should be using it.
> 
Last time I tried to use it, it indeed was *not* useful at all... and
looking at it, it seems that nothing changed since then.

AFAICT, it's something imported from Linux quite a few time back, but
while Linux evolved its own NUMA_EMU support to something that may
actually be useful, ours stayed original.

So, for what the opinion of someone that tried to use it is worth, I
agree that we either also improve it (e.g., by trying syncing with the
Linux one), or kill it.

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

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