Re: [Xen-devel] [PATCH] ACPI/cpuidle: remove unused "power" field from Cx state data

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

On Fri, Nov 02, 2012 at 02:07:34PM +0000, Jan Beulich wrote:
> >>> On 02.11.12 at 14:55, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> 
> >>> wrote:
> > On Fri, Nov 02, 2012 at 01:12:05PM +0000, Jan Beulich wrote:
> >> It has never been used for anything, and Linux 3.7 doesn't propagate
> >> this information anymore.
> >> 
> >> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> >> ---
> >> Konrad, on the pv-ops side it may be better to pass zero rather than
> >> leaving the field completely uninitialized.
> > 
> > I think this got taken care of by:
> > 
> > commit c59687f8466df36633d937cc298aad465d704990
> > Author: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
> > Date:   Wed Sep 5 15:13:48 2012 +0200
> > 
> >     cpuidle / ACPI : remove power from acpi_processor_cx structure
> >     
> >     Remove the unused power field from struct struct acpi_processor_cx.
> >     
> >     [rjw: Modified changelog.]
> 
> That's the commit I was referring to.
> 
> > And the the xen_processor_cx is allocated using kcalloc which resets
> > everything to zero - so I think we are safe there.
> 
> And that I didn't pay attention to - sorry for the noise then.

Oh no problem - Thank you for keeping me in the loop!
> 
> Jan
> 

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