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Re: [Xen-devel] [PATCH 3/3] x86_64: allow more vCPU-s per guest

To: Jan Beulich <JBeulich@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 3/3] x86_64: allow more vCPU-s per guest
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Thu, 18 Jun 2009 11:17:07 +0100
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On 18/06/2009 11:13, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:

>> Is it safe do you think to go from d->max_vcpus=0 to d->max_vcpus!=0 on a
>> live domain? (i.e, the specific case we do use in your general observation
>> that increasing d->max_vcpus may be dangerous)?
> 
> Yes, this is safe imo.

Can you give an example where increasing max_vcpus from X!=0 to Y>X might be
dangerous?

 -- Keir



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