if (sibling == cpu) /* skip itself */
continue;
+
sib_cpu_ci = get_cpu_cacheinfo(sibling);
+ if (!sib_cpu_ci->info_list)
+ continue;
+
sib_leaf = sib_cpu_ci->info_list + index;
cpumask_clear_cpu(cpu, &sib_leaf->shared_cpu_map);
cpumask_clear_cpu(sibling, &this_leaf->shared_cpu_map);
static void free_cache_attributes(unsigned int cpu)
{
+ if (!per_cpu_cacheinfo(cpu))
+ return;
+
cache_shared_cpu_map_remove(cpu);
kfree(per_cpu_cacheinfo(cpu));
if (ret)
goto free_ci;
/*
- * For systems using DT for cache hierarcy, of_node and shared_cpu_map
+ * For systems using DT for cache hierarchy, of_node and shared_cpu_map
* will be set up here only if they are not populated already
*/
ret = cache_shared_cpu_map_setup(cpu);
if (ret) {
- pr_warn("Unable to detect cache hierarcy from DT for CPU %d\n",
+ pr_warn("Unable to detect cache hierarchy from DT for CPU %d\n",
cpu);
goto free_ci;
}
break;
case CPU_DEAD:
cache_remove_dev(cpu);
- if (per_cpu_cacheinfo(cpu))
- free_cache_attributes(cpu);
+ free_cache_attributes(cpu);
break;
}
return notifier_from_errno(rc);