Merge "cpufreq: schedutil: irq-work and mutex are only used in slow path" into msm-4.9 (f235cdc9) · Commits · e / devices / android_kernel_fairphone_FP3

kernel/sched/cpufreq_schedutil.c

+8 −5

Original line number	Diff line number	Diff line
		@@ -390,15 +390,12 @@ static struct sugov_policy sugov_policy_alloc(struct cpufreq_policy policy)
		return NULL;

		sg_policy->policy = policy;
		init_irq_work(&sg_policy->irq_work, sugov_irq_work);
		mutex_init(&sg_policy->work_lock);
		raw_spin_lock_init(&sg_policy->update_lock);
		return sg_policy;
		}

		static void sugov_policy_free(struct sugov_policy *sg_policy)
		{
		mutex_destroy(&sg_policy->work_lock);
		kfree(sg_policy);
		}

		@@ -432,6 +429,9 @@ static int sugov_kthread_create(struct sugov_policy *sg_policy)

		sg_policy->thread = thread;
		kthread_bind_mask(thread, policy->related_cpus);
		init_irq_work(&sg_policy->irq_work, sugov_irq_work);
		mutex_init(&sg_policy->work_lock);

		wake_up_process(thread);

		return 0;
		@@ -445,6 +445,7 @@ static void sugov_kthread_stop(struct sugov_policy *sg_policy)

		kthread_flush_worker(&sg_policy->worker);
		kthread_stop(sg_policy->thread);
		mutex_destroy(&sg_policy->work_lock);
		}

		static struct sugov_tunables sugov_tunables_alloc(struct sugov_policy sg_policy)
		@@ -611,9 +612,11 @@ static void sugov_stop(struct cpufreq_policy *policy)

		synchronize_sched();

		if (!policy->fast_switch_enabled) {
		irq_work_sync(&sg_policy->irq_work);
		kthread_cancel_work_sync(&sg_policy->work);
		}
		}

		static void sugov_limits(struct cpufreq_policy *policy)
		{