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RE: [Xen-devel] [PATCH 0/2][HVM] Dynamic MP Table Creation

  • To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
  • From: "Betak, Travis" <travis.betak@xxxxxxx>
  • Date: Tue, 27 Jun 2006 11:36:38 -0500
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 27 Jun 2006 09:38:20 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcaZyVR37wTSmjJ7S1qFPTH/JKYY4QAPYK0g
  • Thread-topic: [Xen-devel] [PATCH 0/2][HVM] Dynamic MP Table Creation

Keir Fraser wrote:
> On 27 Jun 2006, at 07:00, Betak, Travis wrote:
> > I'd like any feedback about these patches and if anyone sees any
> > problems or objects to this approach.  I know there were previous
> > problems when a UP Windows guest was trying to be installed/booted
> > with an MP table.  If there are no objections, please apply to
> > unstable. 
> The first patch looks fine to me, although I'll wait a day or two and
> see if anyone else has any comments before applying.

Sounds good.

> The second patch is more doubtful -- can it ever hurt to create the 
> MP tables? If any really old OSes get confused by them then you
> could boot them with apic=0. I'd like to avoid adding yet another
> low-level hacky config option unless it is genuinely useful.

I agree.  This is more of a "just in case" option.  I haven't seen 
anything hurt by MP tables being present as long as they accurately 
reflect the configuration.


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