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Re: [Xen-devel] PV kernel boot parameter maxcpus has no effect?

To: Yuyang Du <duyuyang@xxxxxxxxx>
Subject: Re: [Xen-devel] PV kernel boot parameter maxcpus has no effect?
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Wed, 28 Apr 2010 09:32:47 +0300
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Wed, Apr 28, 2010 at 11:07:36AM +0800, Yuyang Du wrote:
> Hi all,
> I have a two-socket (each socket processor has 4 cores) machine, but only 
> want to use one socket processor. I give pv dom0 boot parameter maxcpus=4, 
> but in fact there is no effect, other cpus 4-7 are still used. Is this a bug 
> or something?

You need to give _Xen_ (xen.gz) option dom0_max_vcpus=X

-- Pasi

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