linux-kernel - Re: [PATCH 2/4] sched: cpufreq: Keep track of cpufreq utilization update flags

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Message-ID: <20171219031237.GM19815@vireshk-i7>
Date:   Tue, 19 Dec 2017 08:42:37 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Patrick Bellasi <patrick.bellasi@....com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Todd Kjos <tkjos@...roid.com>,
        Joel Fernandes <joelaf@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] sched: cpufreq: Keep track of cpufreq utilization
 update flags

On 18-12-17, 12:14, Patrick Bellasi wrote:
> For example, swithing from:
> 
>  - void (*func)(struct update_util_data *data, u64 time,
>  -              unsigned int flags))
>  + void (*func)(struct update_util_data *data, u64 time,
>  +              unsigned int flags, bool set))
> 
> Where the additional boolean is actually used to define which
> operation we wanna perform on the flags?

The code will eventually have the same complexity or ugliness in both
the cases. I would like to start with another flag for now and see if
people prefer another parameter.

-- 
viresh