On Thu, Mar 17, 2016 at 01:01:45AM +0100, Rafael J. Wysocki wrote:

+	} else if (sg_policy->next_freq != next_freq) {
+		sg_policy->work_cpu = smp_processor_id();
+		irq_work_queue(&sg_policy->irq_work);
+	}
+}

+static void sugov_irq_work(struct irq_work *irq_work)
+{
+	struct sugov_policy *sg_policy;
+
+	sg_policy = container_of(irq_work, struct sugov_policy, irq_work);
+	schedule_work_on(sg_policy->work_cpu, &sg_policy->work);
+}

Not sure I see the point of ->work_cpu, irq_work_queue() does guarantee
the same CPU, so the above is identical to:

	schedule_work_on(smp_processor_id(), &sq_policy->work);