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Re: [Xen-devel] CPU enumeration in Xen


  • To: Dominik Klein <dk@xxxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Wed, 22 Aug 2007 13:34:47 +0100
  • Delivery-date: Wed, 22 Aug 2007 05:35:30 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcfkuNMXEXso8lCsEdyp4wAX8io7RQ==
  • Thread-topic: [Xen-devel] CPU enumeration in Xen

It seems a bit unlikely, since the enumeration code is from Linux. Perhaps
the enumeration order has changed in Linux?

To my knowledge the enumeration order is determined by the order we find
CPUs in the BIOS tables, and can hence vary across different systems, and
even across BIOS upgrades.

 -- Keir

On 22/8/07 11:34, "Dominik Klein" <dk@xxxxxxxxxxxxxxxx> wrote:

> http://lists.xensource.com/archives/html/xen-users/2007-08/msg00507.html
> 
> In this thread I posted some interesting experiment results which lead
> to the assumption that Xenified Linux does not enumerate CPUs the same
> way as a non-xen-Linux does.
> 
> Can someone confirm this?
> 
> Regards
> Dominik
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



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