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Date: Tue, 5 Feb 2013 13:41:59 +0530
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Subject: Re: [PATCH 1/2] cpufreq: Convert the cpufreq_driver_lock to a rwlock
From: Viresh Kumar <viresh.kumar@linaro.org>
To: Nathan Zimmer <nzimmer@sgi.com>
Cc: rjw@sisk.pl, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
        cpufreq@vger.kernel.org
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On Tue, Feb 5, 2013 at 4:15 AM, Nathan Zimmer <nzimmer@sgi.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@sisk.pl>
> Signed-off-by: Nathan Zimmer <nzimmer@sgi.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.