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Re: [Xen-devel] Cpu pools discussion

To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>, George Dunlap <dunlapg@xxxxxxxxx>
Subject: Re: [Xen-devel] Cpu pools discussion
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: 2009年7月28日 16:49:18 +0100
Cc: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "zhigang.x.wang@xxxxxxxxxx" <zhigang.x.wang@xxxxxxxxxx>
Delivery-date: 2009年7月28日 08:50:23 -0700
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On 28/07/2009 16:29, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:
> Currently this is done with pinning, but pinning
> does restrict the flexibility of a multi-vcpu VM.
> Affinity seems like it should help, but affinity
> doesn't restrict the VM from running on a non-affinitive
> pcpu (does it?)
Yes it does. VCPUs only run on PCPUs in their affinity masks.
 -- Keir
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