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authorViresh Kumar <viresh.kumar@linaro.org>2018-05-10 15:00:29 +0530
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-05-13 11:09:00 +0200
commit20b5324d8353d66e68e8c40031e438c247cf2d65 (patch)
treecc8c984b34862a8435e5ae92c471986be503d1b9 /drivers/cpufreq/intel_pstate.c
parent130fccd09f0230aad5582a41f771b3b44149d32c (diff)
downloadlwn-20b5324d8353d66e68e8c40031e438c247cf2d65.tar.gz
lwn-20b5324d8353d66e68e8c40031e438c247cf2d65.zip
cpufreq: optimize cpufreq_notify_transition()
cpufreq_notify_transition() calls __cpufreq_notify_transition() for each CPU of a policy. There is a lot of code in __cpufreq_notify_transition() though which isn't required to be executed for each CPU, like checking about disabled cpufreq or irqs, adjusting jiffies, updating cpufreq stats and some debug print messages. This commit merges __cpufreq_notify_transition() into cpufreq_notify_transition() and modifies cpufreq_notify_transition() to execute minimum amount of code for each CPU. Also fix the kerneldoc for cpufreq_notify_transition() while at it. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
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