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Notice that ignore_dl_rate_limit() need not piggy back on the limits_changed handling to achieve its goal (which is to enforce a frequency update before its due time). Namely, if sugov_should_update_freq() is updated to check sg_policy->need_freq_update and return 'true' if it is set when sg_policy->limits_changed is not set, ignore_dl_rate_limit() may set the former directly instead of setting the latter, so it can avoid hitting the memory barrier in sugov_should_update_freq(). Update the code accordingly. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Christian Loehle <christian.loehle@arm.com> Link: https://patch.msgid.link/10666429.nUPlyArG6x@rjwysocki.net