atomic_set(&data.finished, 0);
spin_lock(&call_lock);
- /* Must grab online cpu count with preempt disabled, otherwise
- * it can change. */
- num_cpus = num_online_cpus() - 1;
- if (!num_cpus)
- goto done;
/* remove 'self' from the map */
if (cpu_isset(smp_processor_id(), map))
/* sanity check the map, remove any non-online processors. */
cpus_and(map, map, cpu_online_map);
- if (cpus_empty(map))
+
+ num_cpus = cpus_weight(map);
+ if (!num_cpus)
goto done;
call_data = &data;