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PM: EM: Introduce em_dev_update_perf_domain() for EM updates
Add API function em_dev_update_perf_domain() which allows the EM to be changed safely. Concurrent updaters are serialized with a mutex and the removal of memory that will not be used any more is carried out with the help of RCU. Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com> Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Lukasz Luba
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Rafael J. Wysocki
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Feb 8, 2024
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