linux-kernel - Re: [PATCH 1/2] cpufreq: schedutil: Fix per-CPU structure initialization in sugov

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Message-ID: <20170320032840.GA25659@vireshk-i7>
Date:   Mon, 20 Mar 2017 08:58:40 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:     Linux PM <linux-pm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Juri Lelli <juri.lelli@....com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Patrick Bellasi <patrick.bellasi@....com>,
        Joel Fernandes <joelaf@...gle.com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH 1/2] cpufreq: schedutil: Fix per-CPU structure
 initialization in sugov_start()

On 19-03-17, 14:30, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> sugov_start() only initializes struct sugov_cpu per-CPU structures
> for shared policies, but it should do that for single-CPU policies too.
> 
> That in particular makes the IO-wait boost mechanism work in the
> cases when cpufreq policies correspond to individual CPUs.
> 
> Fixes: 21ca6d2c52f8 (cpufreq: schedutil: Add iowait boosting)
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Cc: 4.9+ <stable@...r.kernel.org> # 4.9+

Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh