From: Viresh Kumar <viresh.kumar@linaro.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Rafael Wysocki <rjw@rjwysocki.net>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Lists linaro-kernel <linaro-kernel@lists.linaro.org>,
Linux PM <linux-pm@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Juri Lelli <Juri.Lelli@arm.com>,
Robin Randhawa <robin.randhawa@arm.com>
Subject: Re: [PATCH 1/3] cpufreq: schedutil: enable fast switch earlier
Date: Sat, 12 Nov 2016 10:49:41 +0530 [thread overview]
Message-ID: <CAKohponvq3vuzNvaGE7_Pn8vM54AMPZu_E8yRyeytegh-bjuzQ@mail.gmail.com> (raw)
In-Reply-To: <CAJZ5v0gMDoLrdCqxnyUQqWydqj6Ot0ssf=P9=hOk_bOG9gCi0Q@mail.gmail.com>
On 12 November 2016 at 03:28, Rafael J. Wysocki <rafael@kernel.org> wrote:
>> @@ -478,8 +484,6 @@ static void sugov_exit(struct cpufreq_policy *policy)
>> struct sugov_tunables *tunables = sg_policy->tunables;
>> unsigned int count;
>>
>> - cpufreq_disable_fast_switch(policy);
>> -
>
> ->but why is this change necessary?
>
> sugov_stop() has been called already, so the ordering here shouldn't matter.
Because sugov_policy_free() would be using the flag fast_switch_enabled.
--
viresh
next prev parent reply other threads:[~2016-11-12 5:19 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-11 10:22 [PATCH 0/3] cpufreq: schedutil: move slow path from workqueue to SCHED_FIFO task Viresh Kumar
2016-11-11 10:22 ` [PATCH 1/3] cpufreq: schedutil: enable fast switch earlier Viresh Kumar
2016-11-11 14:19 ` Peter Zijlstra
2016-11-11 21:52 ` Rafael J. Wysocki
2016-11-11 22:55 ` Peter Zijlstra
2016-11-11 21:58 ` Rafael J. Wysocki
2016-11-12 5:19 ` Viresh Kumar [this message]
2016-11-13 14:46 ` Rafael J. Wysocki
2016-11-14 4:06 ` Viresh Kumar
2016-11-14 11:30 ` Viresh Kumar
2016-11-11 10:22 ` [PATCH 2/3] cpufreq: schedutil: move slow path from workqueue to SCHED_FIFO task Viresh Kumar
2016-11-11 14:32 ` Tommaso Cucinotta
2016-11-11 14:39 ` Peter Zijlstra
2016-11-12 5:22 ` Viresh Kumar
2016-11-14 9:22 ` Peter Zijlstra
2016-11-14 10:22 ` Viresh Kumar
2016-11-12 5:21 ` Viresh Kumar
2016-11-11 22:16 ` Rafael J. Wysocki
2016-11-12 1:31 ` Saravana Kannan
2016-11-12 5:27 ` Viresh Kumar
2016-11-14 5:37 ` Viresh Kumar
2016-11-13 14:37 ` Rafael J. Wysocki
2016-11-13 19:47 ` Steve Muckle
2016-11-13 22:44 ` Rafael J. Wysocki
2016-11-14 6:36 ` Viresh Kumar
2016-11-12 5:24 ` Viresh Kumar
2016-11-13 19:31 ` Steve Muckle
2016-11-11 10:22 ` [PATCH 3/3] cpufreq: schedutil: irq-work is used only in slow path Viresh Kumar
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