Merge "stop_machine: Atomically queue and wake stopper threads" (a445fba0) · Commits · e / devices / android_kernel_oneplus_sm8150

kernel/stop_machine.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -81,6 +81,7 @@ static bool cpu_stop_queue_work(unsigned int cpu, struct cpu_stop_work *work)
		unsigned long flags;
		bool enabled;

		preempt_disable();
		spin_lock_irqsave(&stopper->lock, flags);
		enabled = stopper->enabled;
		if (enabled)
		@@ -90,6 +91,7 @@ static bool cpu_stop_queue_work(unsigned int cpu, struct cpu_stop_work *work)
		spin_unlock_irqrestore(&stopper->lock, flags);

		wake_up_q(&wakeq);
		preempt_enable();

		return enabled;
		}