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Groups > linux.kernel > #1610039

Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE

From Mark Brown <broonie@kernel.org>
Newsgroups linux.kernel
Subject Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE
Date 2017-03-27 20:20 +0200
Message-ID <tpHpf-3Jt-5@gated-at.bofh.it> (permalink)
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On Mon, Mar 27, 2017 at 07:37:39PM +0200, Rafael J. Wysocki wrote:

> One is that if we want *all* drivers to work with schedutil, we need to keep
> the kthread for the ones that will never be reworked (because nobody cares
> etc).  But then perhaps the kthread implementation may be left alone (because
> nobody cares etc).

A very large proportion of the affected code (at least once you get into
the realm of talking to the PMICs) is shared in core code in various
subsystems rather than in individual drivers so the problem might be
tractable.

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[RFD PATCH 0/5] SCHED_DEADLINE freq/cpu invariance and OPP selection Juri Lelli <juri.lelli@arm.com> - 2017-03-24 15:10 +0100
  [RFD PATCH 2/5] sched/deadline: move cpu frequency selection triggering points Juri Lelli <juri.lelli@arm.com> - 2017-03-24 15:10 +0100
  [RFD PATCH 5/5] sched/deadline: make bandwidth enforcement scale-invariant Juri Lelli <juri.lelli@arm.com> - 2017-03-24 15:20 +0100
  [RFD PATCH 1/5] sched/cpufreq_schedutil: make use of DEADLINE utilization signal Juri Lelli <juri.lelli@arm.com> - 2017-03-24 15:20 +0100
  [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE Juri Lelli <juri.lelli@arm.com> - 2017-03-24 15:20 +0100
    Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be  SCHED_DEADLINE Peter Zijlstra <peterz@infradead.org> - 2017-03-27 19:00 +0200
      Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be  SCHED_DEADLINE Juri Lelli <juri.lelli@arm.com> - 2017-03-27 19:20 +0200
        Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-03-27 19:50 +0200
          Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be  SCHED_DEADLINE Mark Brown <broonie@kernel.org> - 2017-03-27 20:20 +0200
          Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be  SCHED_DEADLINE Vikram Mulukutla <markivx@codeaurora.org> - 2017-03-30 18:00 +0200
            Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-03-30 22:30 +0200
              Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be  SCHED_DEADLINE Juri Lelli <juri.lelli@arm.com> - 2017-03-31 09:30 +0200
      Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be  SCHED_DEADLINE Juri Lelli <juri.lelli@arm.com> - 2017-03-27 19:20 +0200
        Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-03-27 19:20 +0200
      Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be  SCHED_DEADLINE Mark Brown <broonie@kernel.org> - 2017-03-27 20:10 +0200
      Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be SCHED_DEADLINE Vincent Guittot <vincent.guittot@linaro.org> - 2017-03-28 11:40 +0200
        Re: [RFD PATCH 3/5] sched/cpufreq_schedutil: make worker kthread be  SCHED_DEADLINE Peter Zijlstra <peterz@infradead.org> - 2017-03-28 12:30 +0200
  [RFD PATCH 4/5] sched/cpufreq_schedutil: always consider all CPUs when deciding next freq Juri Lelli <juri.lelli@arm.com> - 2017-03-24 15:20 +0100
    Re: [RFD PATCH 4/5] sched/cpufreq_schedutil: always consider all CPUs when deciding next freq "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-03-30 00:50 +0200
      Re: [RFD PATCH 4/5] sched/cpufreq_schedutil: always consider all  CPUs when deciding next freq Juri Lelli <juri.lelli@arm.com> - 2017-03-30 11:00 +0200
        Re: [RFD PATCH 4/5] sched/cpufreq_schedutil: always consider all CPUs  when deciding next freq Vincent Guittot <vincent.guittot@linaro.org> - 2017-03-30 15:30 +0200
        Re: [RFD PATCH 4/5] sched/cpufreq_schedutil: always consider all CPUs  when deciding next freq "Rafael J. Wysocki" <rafael@kernel.org> - 2017-03-30 22:20 +0200
          Re: [RFD PATCH 4/5] sched/cpufreq_schedutil: always consider all  CPUs when deciding next freq Juri Lelli <juri.lelli@arm.com> - 2017-03-31 09:40 +0200
            Re: [RFD PATCH 4/5] sched/cpufreq_schedutil: always consider all CPUs  when deciding next freq "Rafael J. Wysocki" <rafael@kernel.org> - 2017-03-31 11:10 +0200
              Re: [RFD PATCH 4/5] sched/cpufreq_schedutil: always consider all  CPUs when deciding next freq Juri Lelli <juri.lelli@arm.com> - 2017-03-31 11:20 +0200

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