From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Wed, 29 Jul 2015 23:45:07 +0000 (+0200)
Subject: cpufreq: Lock CPU online/offline in cpufreq_register_driver()
X-Git-Tag: omap-for-v4.3/fixes-rc1~121^2~4^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fdd320da84c63092fe6e155cb7b8d80f7f765fa9;p=pandora-kernel.git

cpufreq: Lock CPU online/offline in cpufreq_register_driver()

To protect against races with concurrent CPU online/offline, call
get_online_cpus() before registering a cpufreq driver.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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