sched: fix single cpu running issue



When kernel run on single core, the kernel will panic if there
are clusters more than one, because there is a chance that
the value of return from cluster_first_cpu() greater than
num_possible_cpus().

Change-Id: I39f56b25c759af7e241eb083a3ddd2c0383e9d8b
Signed-off-by: Tengfei Fan <tengfeif@codeaurora.org>

parent 4c95eded

kernel/sched/sched.h

+5 −1

Original line number	Diff line number	Diff line
		@@ -2914,7 +2914,11 @@ static inline enum sched_boost_policy task_boost_policy(struct task_struct *p)

		static inline bool is_min_capacity_cluster(struct sched_cluster *cluster)
		{
		return is_min_capacity_cpu(cluster_first_cpu(cluster));
		int cpu = cluster_first_cpu(cluster);

		if (cpu >= num_possible_cpus())
		return false;
		return is_min_capacity_cpu(cpu);
		}

		#else /* CONFIG_SCHED_WALT */