linux-kernel - Re: [PATCH 1/2] cpufreq: Convert the cpufreq_driver

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Message-ID: <CAOh2x=kwADoQTv4jA9gcrVUyCP5HvA4FyZp7kfpB8nptgs+8UA@mail.gmail.com>
Date:	Tue, 5 Feb 2013 13:41:59 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Nathan Zimmer <nzimmer@....com>
Cc:	rjw@...k.pl, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org, cpufreq@...r.kernel.org
Subject: Re: [PATCH 1/2] cpufreq: Convert the cpufreq_driver_lock to a rwlock

On Tue, Feb 5, 2013 at 4:15 AM, Nathan Zimmer <nzimmer@....com> wrote:
> This completely eliminates the contention I am seeing in __cpufreq_cpu_get.
> It also nicely stages the lock to be replaced by the rcu.
>
> CC: "Rafael J. Wysocki" <rjw@...k.pl>
> Signed-off-by: Nathan Zimmer <nzimmer@....com>
> ---
>  drivers/cpufreq/cpufreq.c | 44 ++++++++++++++++++++++----------------------
>  1 file changed, 22 insertions(+), 22 deletions(-)

You have rebased it against an old version of this file. Please rebase it on
latest Rafael's linux-next branch.

The patch looks good otherwise.
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