455  * If sub-groups of threads in a core containing @cpu_id share the
463 static int get_group_id(unsigned int cpu_id, int level)  in get_group_id()  argument
467 					     cpu_id));  in get_group_id()
470 					     cpu_id));  in get_group_id()
473 					     cpu_id));  in get_group_id()
477 static void do_subsidiary_caches(struct cache *cache, unsigned int cpu_id)  in do_subsidiary_caches()  argument
489 		group_id = get_group_id(cpu_id, level);  in do_subsidiary_caches()
500 static struct cache *cache_chain_instantiate(unsigned int cpu_id)  in cache_chain_instantiate()  argument
506 	pr_debug("creating cache object(s) for CPU %i\n", cpu_id);  in cache_chain_instantiate()
508 	cpu_node = of_get_cpu_node(cpu_id, NULL);  in cache_chain_instantiate()
509 	WARN_ONCE(!cpu_node, "no OF node found for CPU %i\n", cpu_id);  in cache_chain_instantiate()
513 	group_id = get_group_id(cpu_id, 1);  in cache_chain_instantiate()
519 	do_subsidiary_caches(cpu_cache, cpu_id);  in cache_chain_instantiate()
521 	cache_cpu_set(cpu_cache, cpu_id);  in cache_chain_instantiate()
528 static struct cache_dir *cacheinfo_create_cache_dir(unsigned int cpu_id)  in cacheinfo_create_cache_dir()  argument
534 	dev = get_cpu_device(cpu_id);  in cacheinfo_create_cache_dir()
535 	WARN_ONCE(!dev, "no dev for CPU %i\n", cpu_id);  in cacheinfo_create_cache_dir()
549 	WARN_ON_ONCE(per_cpu(cache_dir_pcpu, cpu_id) != NULL);  in cacheinfo_create_cache_dir()
551 	per_cpu(cache_dir_pcpu, cpu_id) = cache_dir;  in cacheinfo_create_cache_dir()
810 static void cacheinfo_sysfs_populate(unsigned int cpu_id,  in cacheinfo_sysfs_populate()  argument
817 	cache_dir = cacheinfo_create_cache_dir(cpu_id);  in cacheinfo_sysfs_populate()
829 void cacheinfo_cpu_online(unsigned int cpu_id)  in cacheinfo_cpu_online()  argument
833 	cache = cache_chain_instantiate(cpu_id);  in cacheinfo_cpu_online()
837 	cacheinfo_sysfs_populate(cpu_id, cache);  in cacheinfo_cpu_online()
845 static struct cache *cache_lookup_by_cpu(unsigned int cpu_id)  in cache_lookup_by_cpu()  argument
851 	cpu_node = of_get_cpu_node(cpu_id, NULL);  in cache_lookup_by_cpu()
852 	WARN_ONCE(!cpu_node, "no OF node found for CPU %i\n", cpu_id);  in cache_lookup_by_cpu()
856 	group_id = get_group_id(cpu_id, 1);  in cache_lookup_by_cpu()
911 void cacheinfo_cpu_offline(unsigned int cpu_id)  in cacheinfo_cpu_offline()  argument
918 	cache_dir = per_cpu(cache_dir_pcpu, cpu_id);  in cacheinfo_cpu_offline()
924 	per_cpu(cache_dir_pcpu, cpu_id) = NULL;  in cacheinfo_cpu_offline()
928 	cache = cache_lookup_by_cpu(cpu_id);  in cacheinfo_cpu_offline()
930 		cache_cpu_clear(cache, cpu_id);  in cacheinfo_cpu_offline()