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Re: [PATCH 2/7] cpufreq: Drop cpufreq_policy_restore()

From Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH 2/7] cpufreq: Drop cpufreq_policy_restore()
Date 2015-07-27 16:50 +0200
Message-ID <pQRT4-4QW-3@gated-at.bofh.it> (permalink)
References <pPbMe-60b-7@gated-at.bofh.it> <pQQX0-3uw-3@gated-at.bofh.it> <pQQX2-3uw-45@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 27-07-15, 16:03, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> 
> Notice that when cpufreq_policy_restore() is called, its per-CPU
> cpufreq_cpu_data variable has been already dereferenced and if that
> variable is not NULL, the policy local pointer in cpufreq_add_dev()
> contains its value.
> 
> Therefore it is not necessary to dereference it again and the
> policy pointer can be used directly.  Moreover, if that pointer
> is not NULL, the policy is inactive (or the previous check would
> have made us return from cpufreq_add_dev()) so the restoration
> code from cpufreq_policy_restore() can be moved to that point
> in cpufreq_add_dev().
> 
> Do that and drop cpufreq_policy_restore().
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> ---
>  drivers/cpufreq/cpufreq.c |   44 +++++++++++---------------------------------
>  1 file changed, 11 insertions(+), 33 deletions(-)

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

-- 
viresh
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Thread

[PATCH 0/2] cpufreq: Better separation of device addition/removal and online/offline paths "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-23 01:40 +0200
  [PATCH 1/2] cpufreq: Rename two functions related to CPU offline "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-23 01:40 +0200
    Re: [PATCH 1/2] cpufreq: Rename two functions related to CPU offline Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-23 08:50 +0200
  [PATCH 1/7] cpufreq: Rework two functions related to CPU offline "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-27 15:50 +0200
    Re: [PATCH 1/7] cpufreq: Rework two functions related to CPU offline Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-27 16:50 +0200
  [PATCH 0/7] cpufreq: Better separation of device addition/removal and online/offline paths "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-27 15:50 +0200
    [PATCH 6/7] cpufreq: Pass CPU number to cpufreq_policy_alloc() "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-27 15:50 +0200
      Re: [PATCH 6/7] cpufreq: Pass CPU number to cpufreq_policy_alloc() Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-27 17:00 +0200
    [PATCH 3/7] cpufreq: Drop unnecessary label from cpufreq_add_dev() "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-27 15:50 +0200
      Re: [PATCH 3/7] cpufreq: Drop unnecessary label from  cpufreq_add_dev() Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-27 17:00 +0200
    [PATCH 7/7] cpufreq: Separate CPU device removal from CPU online "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-27 15:50 +0200
      Re: [PATCH 7/7] cpufreq: Separate CPU device removal from CPU online Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-27 17:10 +0200
        Re: [PATCH 7/7] cpufreq: Separate CPU device removal from CPU online "Rafael J. Wysocki" <rafael@kernel.org> - 2015-07-28 00:00 +0200
      [Update][PATCH 7/7] cpufreq: Separate CPU device registration from CPU online "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-27 23:30 +0200
        [Update 2x][PATCH 7/7] cpufreq: Separate CPU device registration from CPU online "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-29 02:40 +0200
          [PATCH] cpufreq: Replace recover_policy with new_policy in cpufreq_online() "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-29 02:50 +0200
            Re: [PATCH] cpufreq: Replace recover_policy with new_policy in  cpufreq_online() Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-29 07:40 +0200
          Re: [Update 2x][PATCH 7/7] cpufreq: Separate CPU device registration  from CPU online Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-29 07:40 +0200
            Re: [Update 2x][PATCH 7/7] cpufreq: Separate CPU device registration  from CPU online Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-29 16:10 +0200
            Re: [Update 2x][PATCH 7/7] cpufreq: Separate CPU device registration  from CPU online "Rafael J. Wysocki" <rafael@kernel.org> - 2015-07-29 16:10 +0200
    [PATCH 4/7] cpufreq: Drop unused dev argument from two functions "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-27 15:50 +0200
      Re: [PATCH 4/7] cpufreq: Drop unused dev argument from two functions Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-27 17:00 +0200
    [PATCH 5/7] cpufreq: Do not update related_cpus on every policy activation "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-27 15:50 +0200
      Re: [PATCH 5/7] cpufreq: Do not update related_cpus on every policy  activation Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-27 17:00 +0200
    [PATCH 2/7] cpufreq: Drop cpufreq_policy_restore() "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-07-27 15:50 +0200
      Re: [PATCH 2/7] cpufreq: Drop cpufreq_policy_restore() Viresh Kumar <viresh.kumar@linaro.org> - 2015-07-27 16:50 +0200

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