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Commit 5516adaa authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "cpu-hotplug: Fix the cpus_write_lock usage"

parents 7dcadadd 1e227724

kernel/cpu.c

+2 −2
Original line number Diff line number Diff line
@@ -867,11 +867,11 @@ static int __ref _cpu_down(unsigned int cpu, int tasks_frozen, 
	if (!cpu_present(cpu))

		return -EINVAL;



	cpus_write_lock();



	if (!tasks_frozen && !cpu_isolated(cpu) && num_online_uniso_cpus() == 1)

		return -EBUSY;



	cpus_write_lock();



	if (trace_cpuhp_latency_enabled())

		start_time = sched_clock();