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From: Viresh Kumar <viresh.kumar@linaro.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Linux PM list <linux-pm@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] cpufreq: Avoid unnecessary locking in show() and store()
Date: Fri, 12 Feb 2016 21:50:38 +0530	[thread overview]
Message-ID: <20160212162038.GB32705@vireshk-i7> (raw)
In-Reply-To: <15659367.8so4AOBv9e@vostro.rjw.lan>

On 12-02-16, 17:10, Rafael J. Wysocki wrote:
> On Friday, February 12, 2016 09:28:29 PM Viresh Kumar wrote:
> > On 12-02-16, 14:18, Rafael J. Wysocki wrote:
> > > Well, having a check that never fails is certainly unuseful.
> > > 
> > > > So, even we may want to add a WARN_ON() for that case instead.
> > > 
> > > I can add WARN_ON()s just fine.
> > 
> > What about dropping the check completely ?
> 
> Fine by me.
> 
> ---
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Subject: [PATCH] cpufreq: Drop unnecessary checks from show() and store()
> 
> The show() and store() routines in the cpufreq core don't need to
> check if the struct freq_attr they want to use really provides the
> callbacks they need as expected (if that's not the case, it means
> a bug in the code anyway), so change them to avoid doing that.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> ---
>  drivers/cpufreq/cpufreq.c |   21 +++++----------------
>  1 file changed, 5 insertions(+), 16 deletions(-)

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

-- 
viresh

      reply	other threads:[~2016-02-12 16:20 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-11  1:25 [PATCH] cpufreq: Avoid unnecessary locking in show() and store() Rafael J. Wysocki
2016-02-12  6:31 ` Viresh Kumar
2016-02-12 13:18   ` Rafael J. Wysocki
2016-02-12 15:58     ` Viresh Kumar
2016-02-12 16:10       ` Rafael J. Wysocki
2016-02-12 16:20         ` Viresh Kumar [this message]

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