Re: [patch V2 43/67] leds/trigger/cpu: Convert to hotplug state machine

[Jacek Anaszewski]

On 07/14/2016 09:47 AM, Ingo Molnar wrote:
> * Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx> wrote:
>
> > > @@ -133,7 +125,13 @@ static int __init ledtrig_cpu_init(void)
> > >        }
> > >
> > >        register_syscore_ops(&ledtrig_cpu_syscore_ops);
> > > -     register_cpu_notifier(&ledtrig_cpu_nb);
> > > +
> > > +     /*
> > > +      * FIXME: Why needs this to happen in the interrupt disabled
> > > +      * low level bringup phase of a cpu?
> > > +      */
> >
> > Why wasn't it possible to clarify the issue before the
> > submission?
>
> Nothing has been applied yet (this submission is part of the clarification
> process), are you fine with this conversion as-is, with a separate patch doing any
> followup fixes - or would you prefer another approach?
>
> This CPU hotplug series tries to do straightforward conversions to the CPU hotplug
> state machine without changing behavior - while pointing out any problems that
> were found along the way.
>
> I agree that the addition of this FIXME should probably have been pointed out in
> the changelog as well, but this patch was submitted once already with no feedback
> received - and that's the historic pattern with such types of series: only a low
> percentage of all driver maintainers replies so we have to be proactive to a
> certain degree to have a chance of improving core kernel infrastructure. It's
> better to add FIXMEs with open questions that to introduce subtle problems.

Thanks for the explanation. I'm OK with that approach.

Acked-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>

--
Best regards,
Jacek Anaszewski