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PM / Domains: Search for the CPU device outside the genpd lock
While attaching/detaching a device to a PM domain (genpd) with GENPD_FLAG_CPU_DOMAIN set, genpd iterates the cpu_possible_mask to check whether or not the device corresponds to a CPU. This iteration is done while holding the genpd's lock, which is unnecessary. Avoid the locking by restructuring the corresponding code a bit. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Ulf Hansson
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Rafael J. Wysocki
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Apr 25, 2019
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