From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: [PATCH] ACPI/cpuidle: remove unused "power" field
 from Cx state data
Date: Fri, 2 Nov 2012 09:55:15 -0400
Message-ID: <20121102135514.GC3038@konrad-lan.dumpdata.com>
References: <5093D4B502000078000A606E@nat28.tlf.novell.com>
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To: Jan Beulich <JBeulich@suse.com>
Cc: xen-devel <xen-devel@lists.xen.org>
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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@suse.com>
> ---
> 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@linaro.org>
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.]
    

And the the xen_processor_cx is allocated using kcalloc which resets
everything to zero - so I think we are safe there.

Thx!