linux-kernel - Re: [PATCH 4/4] cpuidle/menu: add per cpu pm_qos_resume

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Message-ID: <3288596.DV966QMpDZ@vostro.rjw.lan>
Date:   Wed, 14 Sep 2016 00:10:13 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Alex Shi <alex.shi@...aro.org>
Cc:     open list <linux-kernel@...r.kernel.org>, linux-pm@...r.kernel.org,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Arjan van de Ven <arjan@...ux.intel.com>,
        Rik van Riel <riel@...hat.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH 4/4] cpuidle/menu: add per cpu pm_qos_resume_latency consideration

On Tuesday, September 13, 2016 10:02:49 PM Alex Shi wrote:
> Hi Daniel & Rafael,
> 
> Any comments on this patch?

I actually am not sure about the whole series.

I know your motivation, but honestly the changes here may not be the best way
to achieve what you need.

You may think that the changes are trivial, but in fact they are not.  There
are side effects and I'm not sure about the resulting user space interface
at all.

Thanks,
Rafael