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

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 28.03.12 at 16:27, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:
> 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 

But that isn't a Xen patch. Xen isn't (and shouldn't be) exposing mwait.

Jan


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