From: Kevin Hilman <khilman@kernel.org>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
linux-pm@vger.kernel.org, Len Brown <len.brown@intel.com>,
Pavel Machek <pavel@ucw.cz>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Lina Iyer <lina.iyer@linaro.org>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Axel Haslam <ahaslam+renesas@baylibre.com>,
Krzysztof Kozlowski <k.kozlowski.k@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH/RFC] PM / Domains: Minimize latencies by not delaying save/restore
Date: Mon, 11 May 2015 10:00:09 -0700 [thread overview]
Message-ID: <7hbnhrdp7q.fsf@deeprootsystems.com> (raw)
In-Reply-To: <1431350673-871-1-git-send-email-ulf.hansson@linaro.org> (Ulf Hansson's message of "Mon, 11 May 2015 15:24:33 +0200")
Ulf Hansson <ulf.hansson@linaro.org> writes:
[...]
> To address these two issues, let's change the policy in genpd. More
> precisely, let's walk the hierarchy of the ->runtime_suspend()
> callbacks immediately when genpd's ->runtime_suspend() callback at the
> PM domain level is invoked.
To help in understanding this change, you might also consider leading
with something like this paragraph. IOW, start with an intro pargraph
about *what* you are changing, and then go into the why.
The current changlog goes into great detail about "why" before ever
explaining the "what".
Kevin
WARNING: multiple messages have this Message-ID (diff)
From: khilman@kernel.org (Kevin Hilman)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH/RFC] PM / Domains: Minimize latencies by not delaying save/restore
Date: Mon, 11 May 2015 10:00:09 -0700 [thread overview]
Message-ID: <7hbnhrdp7q.fsf@deeprootsystems.com> (raw)
In-Reply-To: <1431350673-871-1-git-send-email-ulf.hansson@linaro.org> (Ulf Hansson's message of "Mon, 11 May 2015 15:24:33 +0200")
Ulf Hansson <ulf.hansson@linaro.org> writes:
[...]
> To address these two issues, let's change the policy in genpd. More
> precisely, let's walk the hierarchy of the ->runtime_suspend()
> callbacks immediately when genpd's ->runtime_suspend() callback at the
> PM domain level is invoked.
To help in understanding this change, you might also consider leading
with something like this paragraph. IOW, start with an intro pargraph
about *what* you are changing, and then go into the why.
The current changlog goes into great detail about "why" before ever
explaining the "what".
Kevin
next prev parent reply other threads:[~2015-05-11 17:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-11 13:24 [PATCH/RFC] PM / Domains: Minimize latencies by not delaying save/restore Ulf Hansson
2015-05-11 13:24 ` Ulf Hansson
2015-05-11 14:41 ` Russell King - ARM Linux
2015-05-11 14:41 ` Russell King - ARM Linux
2015-05-11 17:00 ` Kevin Hilman [this message]
2015-05-11 17:00 ` Kevin Hilman
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