Re: [PATCH 1/3] cpuidle/menu: stop seeking deeper idle if current state is too deep

[Arjan van de Ven]

On 1/5/2017 7:43 AM, Rik van Riel wrote:
> On Thu, 2017-01-05 at 23:29 +0800, Alex Shi wrote:
> > The obsolete commit 71abbbf85 want to introduce a dynamic cstates,
> > but it was removed for long time. Just left the nonsense deeper
> > cstate
> > checking.
> >
> > Since all target_residency and exit_latency are going longer in
> > deeper
> > idle state, no needs to waste some cpu cycle on useless seeking.
>
> Makes me wonder if it would be worth documenting the
> requirement that c-states be listed in increasing
> order?

or better, a boot time quick check...