Re: [Xen-devel] Cpu pools discussion

[George Dunlap <dunlapg@xxxxxxxxx>]

Or to put it another way, "pinning" is shorthand for an affinity that
contains only one cpu.

 -George

On Tue, Jul 28, 2009 at 4:49 PM, Keir Fraser<keir.fraser@xxxxxxxxxxxxx> wrote:
> 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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