linux-kernel - Re: [PATCH v3 05/14] sched/cpufreq: uclamp: add utilization clamping for FAIR tasks

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Message-ID: <20180809153059.3cfw45qibcv5qqqk@darkstar>
Date:   Thu, 9 Aug 2018 16:30:59 +0100
From:   Patrick Bellasi <patrick.bellasi@....com>
To:     Vincent Guittot <vincent.guittot@...aro.org>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        "open list:THERMAL" <linux-pm@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Tejun Heo <tj@...nel.org>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        viresh kumar <viresh.kumar@...aro.org>,
        Paul Turner <pjt@...gle.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Morten Rasmussen <morten.rasmussen@....com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Todd Kjos <tkjos@...gle.com>,
        Joel Fernandes <joelaf@...gle.com>,
        "Cc: Steve Muckle" <smuckle@...gle.com>, surenb@...gle.com
Subject: Re: [PATCH v3 05/14] sched/cpufreq: uclamp: add utilization clamping
 for FAIR tasks

On 08-Aug 15:18, Vincent Guittot wrote:
> Hi Patrick,

Hi VIncent,

> On Mon, 6 Aug 2018 at 18:40, Patrick Bellasi <patrick.bellasi@....com> wrote:

[...]

> > +static inline unsigned int uclamp_util(unsigned int cpu, unsigned int util)
> 
> using struct *rq rq instead of cpu as parameter would align
> uclamp_util() interface with other cpu_util_*() interface and remove
> some cpu_of(rq) and  cpu_rq(cpu)

Right, I've tired to keep consistency within the "uclamp_*" APIs...
but what you suggests makes also sense and I've also already
switched some other APIs to use *rq.

I'll look into better aligning these APIs for the next posting.

Cheers Patrick

-- 
#include <best/regards.h>

Patrick Bellasi