linux-kernel - Re: [PATCH v6 1/8] cpufreq: Store cpufreq policies in a list

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Message-ID: <CAKohpoktwZUvs2ap7wk1tudVsiKjbhFkoM5=+AaFZP=+73fEyg@mail.gmail.com>
Date:	Fri, 26 Jul 2013 15:44:29 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Lukasz Majewski <l.majewski@...sung.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <eduardo.valentin@...com>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Jonghwa Lee <jonghwa3.lee@...sung.com>,
	Lukasz Majewski <l.majewski@...ess.pl>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Myungjoo Ham <myungjoo.ham@...sung.com>, durgadoss.r@...el.com
Subject: Re: [PATCH v6 1/8] cpufreq: Store cpufreq policies in a list

On 25 July 2013 22:03, Lukasz Majewski <l.majewski@...sung.com> wrote:
> Policies available in a cpufreq framework are now linked together. They are
> accessible via cpufreq_policy_list defined at cpufreq core.
>
> Signed-off-by: Lukasz Majewski <l.majewski@...sung.com>
> Signed-off-by: Myungjoo Ham <myungjoo.ham@...sung.com>

Looks good but would have been better if you could have moved
existing code to use this infrastructure..

For example, this code in __cpufreq_add_dev()

#ifdef CONFIG_HOTPLUG_CPU
	/* Check if this cpu was hot-unplugged earlier and has siblings */
	read_lock_irqsave(&cpufreq_driver_lock, flags);
	for_each_online_cpu(sibling) {

         ---

	}
	read_unlock_irqrestore(&cpufreq_driver_lock, flags);
#endif
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