From: Keir Fraser <keir.fraser@eu.citrix.com>
To: Andre Przywara <andre.przywara@amd.com>, Dulloor <dulloor@gmail.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [vNUMA v2][PATCH 2/8] public interface
Date: Wed, 4 Aug 2010 06:27:37 +0100 [thread overview]
Message-ID: <C87EB8D9.42B7%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <4C589051.2020806@amd.com>
On 03/08/2010 22:55, "Andre Przywara" <andre.przywara@amd.com> wrote:
>> As such, the purpose of vnode-to-mnode translation is for the enlightened
>> guests to know where their underlying memory comes from, so that
>> over-provisioning features
>> like ballooning are given a chance to maintain this distribution.
> I was afraid you were saying that ;-) I haven't thought about this in
> detail, but maybe we can make an exception for Dom0 only, because this
> is the most prominent and frequent user of ballooning. But I really
> think that DomUs should not know about or deal with host NUMA nodes.
So long as it gets renamed to 'node_id' in the info structure I'm okay with
it. That doesn't preclude simply setting that field to 0...nr_vnodes-1 and
doing translation in the hypervisor, but also leaves us a bit of
flexibility.
-- Keir
next prev parent reply other threads:[~2010-08-04 5:27 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1BEA8649F0C00540AB2811D7922ECB6C9338B4CC@orsmsx507.amr.corp.intel.com>
2010-07-02 23:54 ` [XEN][vNUMA][PATCH 3/9] public interface Dulloor
2010-07-05 7:39 ` Keir Fraser
2010-07-05 8:52 ` Dulloor
2010-07-05 10:23 ` Keir Fraser
2010-07-06 5:57 ` Dulloor
2010-07-06 12:57 ` Keir Fraser
2010-07-06 17:52 ` Dulloor
2010-08-01 22:02 ` [vNUMA v2][PATCH 2/8] " Dulloor
2010-08-03 12:40 ` Andre Przywara
2010-08-03 15:24 ` Dulloor
2010-08-03 13:37 ` Andre Przywara
2010-08-03 14:10 ` Keir Fraser
2010-08-03 15:43 ` Dulloor
2010-08-03 15:52 ` Keir Fraser
2010-08-03 17:24 ` Dulloor
2010-08-03 19:52 ` Keir Fraser
2010-08-03 20:32 ` Dulloor
2010-08-03 21:55 ` Andre Przywara
2010-08-04 5:27 ` Keir Fraser [this message]
2010-08-04 5:48 ` Dulloor
2010-08-04 7:01 ` Andre Przywara
2010-08-04 8:45 ` Keir Fraser
2010-08-04 13:34 ` Dan Magenheimer
2010-08-03 21:35 ` Andre Przywara
2010-08-03 15:54 ` Keir Fraser
2010-08-03 15:32 ` Dulloor
2010-08-03 21:21 ` Andre Przywara
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