@@ -26,6 +26,7 @@
#include <linux/tick.h>
#include <linux/types.h>
#include <linux/workqueue.h>
+#include <linux/cpu.h>
#include "cpufreq_governor.h"
@@ -169,6 +170,9 @@ static inline void __gov_queue_work(int cpu, struct dbs_data *dbs_data,
{
struct cpu_dbs_common_info *cdbs = dbs_data->cdata->get_cpu_cdbs(cpu);
+ if (WARN_ON(!cpu_online(cpu)))
+ return;
+
mod_delayed_work_on(cpu, system_wq, &cdbs->work, delay);
}
@@ -180,8 +184,10 @@ void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy,
if (!all_cpus) {
__gov_queue_work(smp_processor_id(), dbs_data, delay);
} else {
+ get_online_cpus();
for_each_cpu(i, policy->cpus)
__gov_queue_work(i, dbs_data, delay);
+ put_online_cpus();
}
}
EXPORT_SYMBOL_GPL(gov_queue_work);