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Re: [Xen-devel] x86 Physical CPUs at different frequencies - timer error messages


  • To: "Langsdorf, Mark" <mark.langsdorf@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxxxxxxxx>
  • Date: Fri, 27 Jul 2007 15:32:47 +0100
  • Delivery-date: Fri, 27 Jul 2007 07:30:38 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcfQHPwROr3o6TwQEdy0uwAWy6hiGQAPaMlgAAAYSRM=
  • Thread-topic: [Xen-devel] x86 Physical CPUs at different frequencies - timer error messages

On 27/7/07 15:30, "Langsdorf, Mark" <mark.langsdorf@xxxxxxx> wrote:

>> No. The code belongs in Xen itself. Otherwise no other
>> domains will pick up the new scale factor, and even
>> dom0 itself may lose it as soon as it
>> re-picks up the scale information from Xen.
> 
> Oops.
> 
> I take it there isn't currently a hypercall to
> support changing it in Xen, though?  Shouldn't
> be too hard to add, but I want to confirm.

Correct. Makes sense to add a platform_op for this.

 -- Keir


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