Re: [Xen-devel] [PATCH 1/3] PAD helper for native and paravirt platform

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Wed, Mar 28, 2012 at 01:42:45PM +0100, Jan Beulich wrote:
> >>> On 28.03.12 at 12:48, "Liu, Jinsong" <jinsong.liu@xxxxxxxxx> wrote:
> > But just curious, what's the purpose and benefit of exposing mwait to dom0? 

So that cstate.c can evaluate properly the deeper C-states and 
xen-acpi-processor
can upload them to the hypervisor.

> > I remember xen against doing so before.
> 
> And I don't recall anything having changed in that regard.

Jan, you Acked the patch in question: https://lkml.org/lkml/2012/2/24/129

> 
> Jan
> 
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