linux-kernel - Re: [PATCH v13 0/4] PM / Domains: Support hierarchical CPU arrangement (PSCI/ARM)

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Date:   Tue, 9 Apr 2019 17:01:12 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Linux PM <linux-pm@...r.kernel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
        Mark Rutland <mark.rutland@....com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        "Raju P . L . S . S . S . N" <rplsssn@...eaurora.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Tony Lindgren <tony@...mide.com>,
        Kevin Hilman <khilman@...nel.org>,
        Lina Iyer <ilina@...eaurora.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v13 0/4] PM / Domains: Support hierarchical CPU
 arrangement (PSCI/ARM)

On Tue, Apr 9, 2019 at 1:57 PM Ulf Hansson <ulf.hansson@...aro.org> wrote:
>
> On Wed, 27 Mar 2019 at 15:35, Ulf Hansson <ulf.hansson@...aro.org> wrote:
> >
> > Changes in v13:
> >  - Use WRITE|READ_ONCE when reading/writing the "next_hrtimer" variable in the
> > struct cpuidle_device. Also reset the same variable after resumed from idle to
> > avoid it from containing a stale value.
> >  - Added acks from Daniel Lezcano.
> >  - The entire v13 series, including the PSCI/ARM changes are available in a
> > git branch [3].
>
> Rafael, I have address the received comments on this version $subject
> series, is there anything that is holding you back from queuing it?
>
> If you like I can send a pull-request, to simplify for you.

I will get to this one shortly.  I've been waiting for possible
comments on patch [3/4], but since no one has commented so far, it
seems to be non-controversial. :-)

I'm going to add this material to the cpuidle branch rather than genpd.

> Moreover, there is another series which I have pinged you about
> earlier, which I would appreciate to queue via your tree. It's acked
> by PSCI maintainers and is ready to go. "[PATCH v2 0/5] drivers:
> firmware: psci: Some cleanup and refactoring".

If you want me to merge the PSCI series, please resent it with a
request to that end in the cover letter.  Also please let me know
whether or not it depends on the $subject series.