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From: Peter Zijlstra <peterz@infradead.org>
To: Quentin Perret <quentin.perret@arm.com>
Cc: rjw@rjwysocki.net, linux-kernel@vger.kernel.org,
	linux-pm@vger.kernel.org, gregkh@linuxfoundation.org,
	mingo@redhat.com, dietmar.eggemann@arm.com,
	morten.rasmussen@arm.com, chris.redpath@arm.com,
	patrick.bellasi@arm.com, valentin.schneider@arm.com,
	vincent.guittot@linaro.org, thara.gopinath@linaro.org,
	viresh.kumar@linaro.org, tkjos@google.com,
	joel@joelfernandes.org, smuckle@google.com,
	adharmap@codeaurora.org, skannan@codeaurora.org,
	pkondeti@codeaurora.org, juri.lelli@redhat.com,
	edubezval@gmail.com, srinivas.pandruvada@linux.intel.com,
	currojerez@riseup.net, javi.merino@kernel.org
Subject: Re: [PATCH v9 08/15] sched/topology: Make Energy Aware Scheduling depend on schedutil
Date: Thu, 22 Nov 2018 15:04:32 +0100	[thread overview]
Message-ID: <20181122140432.GH2113@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20181119141857.8625-9-quentin.perret@arm.com>

On Mon, Nov 19, 2018 at 02:18:50PM +0000, Quentin Perret wrote:
> +			if (rd->pd)
> +				pr_warn("rd %*pbl: Disabling EAS, schedutil is mandatory\n",
> +						cpumask_pr_args(cpu_map));
> +			goto free;

I would have preferred just not allowing the governor to change at all,
but if you want to allow that, this is, I suppose, the best you can do.

Rafael, are you otherwise OK with the grubbing inside cpufreq?

  reply	other threads:[~2018-11-22 14:04 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-19 14:18 [PATCH v9 00/15] Energy Aware Scheduling Quentin Perret
2018-11-19 14:18 ` [PATCH v9 01/15] sched: Relocate arch_scale_cpu_capacity Quentin Perret
2018-11-19 14:18 ` [PATCH v9 02/15] sched/cpufreq: Prepare schedutil for Energy Aware Scheduling Quentin Perret
2018-11-20  4:46   ` Viresh Kumar
2018-11-20 15:25     ` Peter Zijlstra
2018-11-20 15:53       ` Quentin Perret
2018-11-19 14:18 ` [PATCH v9 03/15] PM: Introduce an Energy Model management framework Quentin Perret
2018-11-19 14:18 ` [PATCH v9 04/15] PM / EM: Expose the Energy Model in sysfs Quentin Perret
2018-11-19 14:18 ` [PATCH v9 05/15] sched/topology: Reference the Energy Model of CPUs when available Quentin Perret
2018-11-19 14:18 ` [PATCH v9 06/15] sched/topology: Lowest CPU asymmetry sched_domain level pointer Quentin Perret
2018-11-19 14:18 ` [PATCH v9 07/15] sched/topology: Disable EAS on inappropriate platforms Quentin Perret
2018-11-19 14:18 ` [PATCH v9 08/15] sched/topology: Make Energy Aware Scheduling depend on schedutil Quentin Perret
2018-11-22 14:04   ` Peter Zijlstra [this message]
2018-11-22 15:49     ` Rafael J. Wysocki
2018-11-22 15:56       ` Quentin Perret
2018-11-19 14:18 ` [PATCH v9 09/15] sched: Introduce sched_energy_present static key Quentin Perret
2018-11-21 13:08   ` Peter Zijlstra
2018-11-21 15:14     ` Quentin Perret
2018-11-22  9:17       ` Quentin Perret
2018-11-22  9:32         ` Quentin Perret
2018-11-22 10:25           ` Peter Zijlstra
2018-11-22 15:25             ` Quentin Perret
2018-11-22 15:51               ` Rafael J. Wysocki
2018-11-22 15:55                 ` Quentin Perret
2018-11-19 14:18 ` [PATCH v9 10/15] sched: Introduce a sysctl for Energy Aware Scheduling Quentin Perret
2018-11-19 14:18 ` [PATCH v9 11/15] sched/fair: Clean-up update_sg_lb_stats parameters Quentin Perret
2018-11-19 14:18 ` [PATCH v9 12/15] sched: Add over-utilization/tipping point indicator Quentin Perret
2018-11-19 14:18 ` [PATCH v9 13/15] sched/fair: Introduce an energy estimation helper function Quentin Perret
2018-11-21 14:28   ` Peter Zijlstra
2018-11-21 16:05     ` Quentin Perret
2018-11-22 13:56       ` Peter Zijlstra
2018-11-19 14:18 ` [PATCH v9 14/15] sched/fair: Select an energy-efficient CPU on task wake-up Quentin Perret
2018-11-19 14:18 ` [PATCH v9 15/15] OPTIONAL: cpufreq: dt: Register an Energy Model Quentin Perret
2018-11-20  6:19   ` Viresh Kumar
2018-11-20 10:01     ` Quentin Perret

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