From: Tim Deegan <tim@xen.org>
To: George Dunlap <george.dunlap@eu.citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: [Hackathon minutes] PV frontends/backends and NUMA machines
Date: Tue, 21 May 2013 11:24:09 +0100 [thread overview]
Message-ID: <20130521102409.GH9626@ocelot.phlegethon.org> (raw)
In-Reply-To: <519B4241.2040006@eu.citrix.com>
At 10:45 +0100 on 21 May (1369133137), George Dunlap wrote:
> What we would want for a comparable domU -- a domU that was NUMA-aware
> -- was to have the pfn layout in batches across the nodes to which it
> will be pinned. E.g., if a domU has its NUMA affinity set to nodes 2-3,
> then you'd want the first half of the pfns to come from node 2, the
> second half from node 3.
>
> In both cases, the domain builder will need to call the allocator with
> specific numa nodes for specific regions of the PFN space.
Ah, so that logic lives in the tools for domU? I was misremembering.
Anyway, I think I'm convinced that this is a reasonable thing to do
the dom0 building code. :)
Tim.
next prev parent reply other threads:[~2013-05-21 10:24 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-20 13:44 [Hackathon minutes] PV frontends/backends and NUMA machines Stefano Stabellini
2013-05-20 13:48 ` George Dunlap
2013-05-21 8:32 ` Tim Deegan
2013-05-21 8:47 ` George Dunlap
2013-05-21 8:49 ` George Dunlap
2013-05-21 10:03 ` Dario Faggioli
2013-05-21 9:20 ` Tim Deegan
2013-05-21 9:45 ` George Dunlap
2013-05-21 10:24 ` Tim Deegan [this message]
2013-05-21 10:28 ` George Dunlap
2013-05-21 11:12 ` Dario Faggioli
2013-05-21 9:53 ` Dario Faggioli
2013-05-21 10:06 ` Jan Beulich
2013-05-21 10:30 ` Dario Faggioli
2013-05-21 10:43 ` Jan Beulich
2013-05-21 10:58 ` Dario Faggioli
2013-05-21 11:47 ` Jan Beulich
2013-05-21 13:43 ` Dario Faggioli
2013-05-24 16:00 ` George Dunlap
2013-05-25 13:57 ` Dario Faggioli
2013-05-21 8:44 ` Roger Pau Monné
2013-05-21 9:24 ` Wei Liu
2013-05-21 9:53 ` George Dunlap
2013-05-21 10:17 ` Dario Faggioli
2013-05-21 11:10 ` Dario Faggioli
2013-05-23 17:21 ` Dario Faggioli
2013-05-22 1:28 ` Konrad Rzeszutek Wilk
2013-05-22 7:44 ` Dario Faggioli
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