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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Saravana Kannan <skannan@codeaurora.org>
Cc: Rafael Wysocki <rjw@rjwysocki.net>,
	Linaro Kernel Mailman List <linaro-kernel@lists.linaro.org>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	Stephen Boyd <sboyd@codeaurora.org>,
	Prarit Bhargava <prarit@redhat.com>
Subject: Re: [PATCH 08/18] cpufreq: Add doc style comment about cpufreq_cpu_{get|put}()
Date: Thu, 12 Feb 2015 15:52:43 +0800	[thread overview]
Message-ID: <CAKohpokKamYSDX9bcOJSxVTiXmWhywXNco0qTAupcpW2mnS=FA@mail.gmail.com> (raw)
In-Reply-To: <54DC1BB5.2020107@codeaurora.org>

On 12 February 2015 at 11:19, Saravana Kannan <skannan@codeaurora.org> wrote:
> I'm not sure we need to or should refer to kobject count (maybe just
> reference count instead?) and cpufreq_rwsem in the documentation. Those are
> implementation specific details and IMHO, shouldn't be in the documentation.
> I think it would be better to just explain the impact (which you already do)
> -- policy will never be freed and it will also prevent the cpufreq driver
> from getting unregistered.
>
> Just my 2 cents.

I wanted to be damn explicit here so that people understand what's going
on. Few days back I had some real hard time to explain this concept to
an kernel engineer and many more may follow.

  reply	other threads:[~2015-02-12  7:52 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-27  8:36 [PATCH 00/18] cpufreq: don't loose cpufreq history on CPU hotplug Viresh Kumar
2015-01-27  8:36 ` [PATCH 01/18] cpufreq: Drop cpufreq_disabled() check from cpufreq_cpu_{get|put}() Viresh Kumar
2015-02-03 22:17   ` Saravana Kannan
2015-01-27  8:36 ` [PATCH 02/18] cpufreq: Create for_each_policy() Viresh Kumar
2015-02-03 22:22   ` Saravana Kannan
2015-02-04  4:53     ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 03/18] cpufreq: Create for_each_governor() Viresh Kumar
2015-02-03 22:23   ` Saravana Kannan
2015-01-27  8:36 ` [PATCH 04/18] cpufreq: Manage fallback policies in a list Viresh Kumar
2015-02-03  0:41   ` Rafael J. Wysocki
2015-02-03  4:10     ` Viresh Kumar
2015-02-03 15:04       ` Rafael J. Wysocki
2015-02-04  6:18         ` Viresh Kumar
2015-02-03 22:28   ` Saravana Kannan
2015-02-04  6:20     ` Viresh Kumar
2015-02-04 22:28       ` Saravana Kannan
2015-02-04 23:20         ` Rafael J. Wysocki
2015-02-05  1:55           ` Saravana Kannan
2015-02-05 15:11             ` Rafael J. Wysocki
2015-02-05 22:55               ` Saravana Kannan
2015-02-17  8:06               ` Viresh Kumar
2015-02-17 18:15                 ` Rafael J. Wysocki
2015-02-18  4:23                   ` Viresh Kumar
2015-02-18 21:15                     ` Saravana Kannan
2015-02-19  3:24                       ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 05/18] cpufreq: Manage governor usage history with 'policy->last_governor' Viresh Kumar
2015-02-12  3:03   ` Saravana Kannan
2015-02-12  7:44     ` Viresh Kumar
2015-02-12  8:00       ` skannan
2015-02-17  8:02         ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 06/18] cpufreq: Reuse policy list instead of per-cpu variable 'cpufreq_cpu_data' Viresh Kumar
2015-02-12  3:13   ` Saravana Kannan
2015-02-12  7:48     ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 07/18] cpufreq: Drop (now) useless check 'cpu > nr_cpu_ids' Viresh Kumar
2015-02-12  3:15   ` Saravana Kannan
2015-02-12  7:50     ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 08/18] cpufreq: Add doc style comment about cpufreq_cpu_{get|put}() Viresh Kumar
2015-02-12  3:19   ` Saravana Kannan
2015-02-12  7:52     ` Viresh Kumar [this message]
2015-01-27  8:36 ` [PATCH 09/18] cpufreq: Mark policy->governor = NULL for fallback policies Viresh Kumar
2015-02-12  3:22   ` Saravana Kannan
2015-02-12  7:56     ` Viresh Kumar
2015-01-27  8:36 ` [PATCH 10/18] cpufreq: Don't allow updating inactive-policies from sysfs Viresh Kumar
2015-02-12  3:24   ` Saravana Kannan
2015-01-27  8:36 ` [PATCH 11/18] cpufreq: Track cpu managing sysfs kobjects separately Viresh Kumar
2015-01-27  8:36 ` [PATCH 12/18] cpufreq: Stop migrating sysfs files on hotplug Viresh Kumar
2015-01-27  8:36 ` [PATCH 13/18] cpufreq: Keep a single path for adding managed CPUs Viresh Kumar
2015-01-27  8:36 ` [PATCH 14/18] cpufreq: Remove cpufreq_update_policy() Viresh Kumar
2015-01-27  8:36 ` [PATCH 15/18] cpufreq: Initialize policy->kobj while allocating policy Viresh Kumar
2015-01-27  8:36 ` [PATCH 16/18] cpufreq: Call cpufreq_policy_put_kobj() from cpufreq_policy_free() Viresh Kumar
2015-01-27  8:36 ` [PATCH 17/18] cpufreq: Restart governor as soon as possible Viresh Kumar
2015-01-27  8:36 ` [PATCH 18/18] cpufreq: Merge __cpufreq_add_dev() and cpufreq_add_dev() Viresh Kumar
2015-01-27 15:06 ` [PATCH 00/18] cpufreq: don't loose cpufreq history on CPU hotplug Rafael J. Wysocki
2015-01-27 14:59   ` Viresh Kumar
2015-01-28 19:35 ` Saravana Kannan
2015-01-29  1:43   ` Viresh Kumar
2015-02-03  0:30 ` Rafael J. Wysocki

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