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Re: [Xen-devel] [PATCH] add dom0 vcpu hotplug control

To: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] add dom0 vcpu hotplug control
From: Ryan Harper <ryanh@xxxxxxxxxx>
Date: Tue, 7 Jun 2005 17:59:41 -0500
Cc: Ryan Harper <ryanh@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
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* Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx> [2005-06-07 17:54]:
> > That would work.  Moving forward, there may be more per-VCPU 
> > info that we want to collect and that it would make sense to 
> > factor out per-VCPU info from DOM0_GETDOMINFO and create a 
> > DOM0_GETVCPUINFO call.  If that is not desirable at this 
> > point, I can work with DOM0_GETVCPUCONTEXT.
> I think we can live with the summary provided by DOM0_GETDOMINFO for the
> moment.


> I presume the n_cpu and vcpu_to_cpu[] fields are updated to show down'ed
> VCPUs?

Not at the moment, but they should.  I think if those are updated, I can
extract state info from those variables without having to issue
DOM0_VCPUCONTEXT ops.  DOM0_VCPUCONTEXT should still skip vcpu's
that are not up.  Thanks for the review.  I'll resubmit with those

Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253   T/L: 678-9253

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