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Commit 046f2233 authored by Pavankumar Kondeti's avatar Pavankumar Kondeti
Browse files

core_ctl: Handle only CPU_ONLINE and CPU_DEAD notifications 



We are interested in only CPU_ONLINE and CPU_DEAD notifications. Don't
do anything when other notifications arrive.

Change-Id: Iea2e0e1c93e67ef278ee7c5a9813fbab6cea5c74
Signed-off-by: default avatarPavankumar Kondeti <pkondeti@codeaurora.org>
parent a207d5c4

kernel/sched/core_ctl.c

+4 −3
Original line number Diff line number Diff line
@@ -887,10 +887,9 @@ static int __ref cpu_callback(struct notifier_block *nfb, 
	struct cpu_data *state = &per_cpu(cpu_state, cpu);

	struct cluster_data *cluster = state->cluster;

	unsigned int need;

	int ret = NOTIFY_OK;



	if (unlikely(!cluster || !cluster->inited))

		return NOTIFY_OK;

		return NOTIFY_DONE;



	switch (action & ~CPU_TASKS_FROZEN) {

	case CPU_ONLINE:
@@ -921,13 +920,15 @@ static int __ref cpu_callback(struct notifier_block *nfb, 
		state->busy = 0;

		cluster->active_cpus = get_active_cpu_count(cluster);

		break;

	default:

		return NOTIFY_DONE;

	}



	need = apply_limits(cluster, cluster->need_cpus);

	if (adjustment_possible(cluster, need))

		wake_up_core_ctl_thread(cluster);



	return ret;

	return NOTIFY_OK;

}



static struct notifier_block __refdata cpu_notifier = {