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Re: [Qemu-devel] [for-2.7 PATCH v3 06/15] cpu: Abstract CPU core type

From: David Gibson
Subject: Re: [Qemu-devel] [for-2.7 PATCH v3 06/15] cpu: Abstract CPU core type
Date: Fri, 3 Jun 2016 15:06:28 +1000
User-agent: Mutt/1.6.1 (2016-04-27)

On Thu, Jun 02, 2016 at 03:12:09PM -0300, Eduardo Habkost wrote:
> On Thu, Jun 02, 2016 at 01:38:58PM +1000, David Gibson wrote:
> > On Thu, May 12, 2016 at 09:18:16AM +0530, Bharata B Rao wrote:
> > > Add an abstract CPU core type that could be used by machines that want
> > > to define and hotplug CPUs in core granularity.
> > > 
> > > Signed-off-by: Bharata B Rao <address@hidden>
> > > Signed-off-by: Igor Mammedov <address@hidden>
> > >                [Integer core property]
> > > Reviewed-by: David Gibson <address@hidden>
> > 
> > Igor, Eduardo,
> > 
> > Do you think we're comfortable enough with this abstract core concept
> > to merge it now?  If so which tree should it go through?
> TBH, I haven't reviewed the concept carefully. I hoped that
> people that spent more time thinking about long-term plans
> (especially Andreas) would help move the discussion forward, but
> Andreas is moving away from QOM CPU.
> I need to review the previous discussions more carefully, but the
> concept looks simple enough to me, and I don't think we should
> hold spapr work because we want a Grand Plan for generic CPU
> abstractions to be finished first. If David, Igor, and the people
> working on spapr are happy with it, I trust their judgement.
> I just wish the interface was better documented, especially the
> meaning of the "core" and "threads" properties. I would prefer to
> have "core-id" as the property name instead of "core" (most of
> the error messages related to it (in patch 08/15) say "core id").

Ok, I've renamed the properties to 'core-id' and 'nr-threads' as I
merged, which I think is clearer.

David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!

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