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Re: [RFC 08/14] sched/tune: add detailed documentation

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On 09/15/2015 08:19 AM, Peter Zijlstra wrote:
> Please flip the argument around; providing lots of knobs for vendors to
> do $magic with is _NOT_ a good thing.
> 
> The whole out-of-tree cpufreq governor hack fest Android thing is a
> complete and utter fail on all levels. Its the embedded, ship, forget,
> not contribute cycle all over again.
> 
> Making that harder is a _GOOD_ thing.

I get why the plugin-like governor interface may encourage out of tree
development, but why would providing lots of policy knobs/tunables from
the scheduler be bad?

Shouldn't that hopefully reduce the likelihood that someone feels the
need to roll their own stack of kernel modifications which never make it
upstream?

cheers,
Steve
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Re: [RFC 08/14] sched/tune: add detailed documentation Steve Muckle <steve.muckle@linaro.org> - 2015-09-09 22:20 +0200
  Re: [RFC 08/14] sched/tune: add detailed documentation Patrick Bellasi <patrick.bellasi@arm.com> - 2015-09-11 13:20 +0200
    Re: [RFC 08/14] sched/tune: add detailed documentation Steve Muckle <steve.muckle@linaro.org> - 2015-09-14 22:10 +0200
      Re: [RFC 08/14] sched/tune: add detailed documentation Patrick Bellasi <patrick.bellasi@arm.com> - 2015-09-15 17:10 +0200
        Re: [RFC 08/14] sched/tune: add detailed documentation Peter Zijlstra <peterz@infradead.org> - 2015-09-15 17:30 +0200
          Re: [RFC 08/14] sched/tune: add detailed documentation Steve Muckle <steve.muckle@linaro.org> - 2015-09-16 02:40 +0200
            Re: [RFC 08/14] sched/tune: add detailed documentation Ingo Molnar <mingo@kernel.org> - 2015-09-16 09:50 +0200
        Re: [RFC 08/14] sched/tune: add detailed documentation Steve Muckle <steve.muckle@linaro.org> - 2015-09-16 02:00 +0200
          Re: [RFC 08/14] sched/tune: add detailed documentation Juri Lelli <juri.lelli@arm.com> - 2015-09-16 11:30 +0200
            Re: [RFC 08/14] sched/tune: add detailed documentation Vincent Guittot <vincent.guittot@linaro.org> - 2015-09-16 15:50 +0200
          Re: [RFC 08/14] sched/tune: add detailed documentation Patrick Bellasi <patrick.bellasi@arm.com> - 2015-09-16 12:10 +0200

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