From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lukasz Majewski Subject: Re: [PATCH v6 1/8] cpufreq: Store cpufreq policies in a list Date: Fri, 26 Jul 2013 12:58:27 +0200 Message-ID: <20130726125827.72f9ef18@amdc308.digital.local> References: <1370502472-7249-1-git-send-email-l.majewski@samsung.com> <1374770011-22171-1-git-send-email-l.majewski@samsung.com> <1374770011-22171-2-git-send-email-l.majewski@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-reply-to: Sender: cpufreq-owner@vger.kernel.org To: Viresh Kumar Cc: "Rafael J. Wysocki" , Zhang Rui , Eduardo Valentin , "cpufreq@vger.kernel.org" , Linux PM list , Jonghwa Lee , Lukasz Majewski , linux-kernel , Bartlomiej Zolnierkiewicz , Daniel Lezcano , Kukjin Kim , durgadoss.r@intel.com List-Id: linux-pm@vger.kernel.org On Fri, 26 Jul 2013 15:44:29 +0530 Viresh Kumar viresh.kumar@linaro.org wrote, > On 25 July 2013 22:03, Lukasz Majewski 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 > > Signed-off-by: Myungjoo Ham > > 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 Do you mean to write something like: #ifdef CONFIG_CPU_FREQ_BOOST_SW write_lock_irqsave(&cpufreq_driver_lock, flags); list_add(&policy->policy_list, &cpufreq_policy_list); write_unlock_irqrestore(&cpufreq_driver_lock, flags); #endif Or Am I missing something? -- Best regards, Lukasz Majewski Samsung R&D Institute Poland (SRPOL) | Linux Platform Group