Re: [stable] Removing or restricting timer_stats

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On Wed, Apr 19, 2017 at 8:37 AM, Greg KH <greg@xxxxxxxxx> wrote:
> On Wed, Apr 19, 2017 at 08:25:53AM -0700, Arjan van de Ven wrote:
>> On 4/19/2017 8:01 AM, Kees Cook wrote:
>>
>> > > >
>> > > > Arjan said it would break powertop, IIRC.
>> > >
>> > > So we broke it in 4.11?  That doesn't seem to sound reasonable, how are
>> > > you getting away with that?  :)
>> >
>> > tglx seemed to think that the same information was available elsewhere?
>>
>> tglx was working on patches to make the same information available elsewhere *in the future*.
>>
>> unless you also backport that work (and wait for powertop to release/etc)...
>> just backporting the interface break without backporting the new interface... leaves things stuck.
>
> So, when 4.11 is released, things are then "stuck"?  How is taking
> something that shows up in 4.11 and adding it to 4.10 going to break
> anything "worse"?
>
> I think this probably needs to be removed from 4.11 (i.e. added back),
> right?

I have no preference about this. tglx specifically asked for it to be
removed (rather than the pid-censoring I was suggesting).

-Kees

-- 
Kees Cook
Pixel Security



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