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Re: [Xen-devel] [PATCH] xen/acpi-stub: Disable it b/c the acpi_processor_add is no longer called.

To: "Egger Christoph" <chegger@xxxxxxxxx>
From: "Jan Beulich" <JBeulich@xxxxxxxx>
Date: Fri, 22 Mar 2013 15:32:54 +0000
Cc: jinsong.liu@xxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Delivery-date: Fri, 22 Mar 2013 15:37:23 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

>>> On 22.03.13 at 15:44, Egger Christoph <chegger@xxxxxxxxx> wrote:
> I think, Xen can get C and P states from ACPI itself.
> Why is Dom0 needed as a dependency at all?

Because getting that information generally involves evaluating
ACPI objects, i.e. is in need of an ACPI interpreter. Which Xen
on its own doesn't have.

Jan

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References:
- [Xen-devel] [PATCH] xen/acpi-stub: Disable it b/c the acpi_processor_add is no longer called.
  - From: Konrad Rzeszutek Wilk
- Re: [Xen-devel] [PATCH] xen/acpi-stub: Disable it b/c the acpi_processor_add is no longer called.
  - From: Egger Christoph

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