278 void smp_muxed_ipi_set_message(int cpu, int msg)  in smp_muxed_ipi_set_message()  argument
280 	struct cpu_messages *info = &per_cpu(ipi_message, cpu);  in smp_muxed_ipi_set_message()
290 void smp_muxed_ipi_message_pass(int cpu, int msg)  in smp_muxed_ipi_message_pass()  argument
292 	smp_muxed_ipi_set_message(cpu, msg);  in smp_muxed_ipi_message_pass()
298 	smp_ops->cause_ipi(cpu);  in smp_muxed_ipi_message_pass()
352 static inline void do_message_pass(int cpu, int msg)  in do_message_pass()  argument
355 		smp_ops->message_pass(cpu, msg);  in do_message_pass()
358 		smp_muxed_ipi_message_pass(cpu, msg);  in do_message_pass()
362 void arch_smp_send_reschedule(int cpu)  in arch_smp_send_reschedule()  argument
365 		do_message_pass(cpu, PPC_MSG_RESCHEDULE);  in arch_smp_send_reschedule()
369 void arch_send_call_function_single_ipi(int cpu)  in arch_send_call_function_single_ipi()  argument
371 	do_message_pass(cpu, PPC_MSG_CALL_FUNCTION);  in arch_send_call_function_single_ipi()
376 	unsigned int cpu;  in arch_send_call_function_ipi_mask()  local
378 	for_each_cpu(cpu, mask)  in arch_send_call_function_ipi_mask()
379 		do_message_pass(cpu, PPC_MSG_CALL_FUNCTION);  in arch_send_call_function_ipi_mask()
470 static void do_smp_send_nmi_ipi(int cpu, bool safe)  in do_smp_send_nmi_ipi()  argument
472 	if (!safe && smp_ops->cause_nmi_ipi && smp_ops->cause_nmi_ipi(cpu))  in do_smp_send_nmi_ipi()
475 	if (cpu >= 0) {  in do_smp_send_nmi_ipi()
476 		do_message_pass(cpu, PPC_MSG_NMI_IPI);  in do_smp_send_nmi_ipi()
494 static int __smp_send_nmi_ipi(int cpu, void (*fn)(struct pt_regs *),  in __smp_send_nmi_ipi()  argument
501 	BUG_ON(cpu == me);  in __smp_send_nmi_ipi()
502 	BUG_ON(cpu < 0 && cpu != NMI_IPI_ALL_OTHERS);  in __smp_send_nmi_ipi()
518 	if (cpu < 0) {  in __smp_send_nmi_ipi()
523 		cpumask_set_cpu(cpu, &nmi_ipi_pending_mask);  in __smp_send_nmi_ipi()
530 	do_smp_send_nmi_ipi(cpu, safe);  in __smp_send_nmi_ipi()
559 int smp_send_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us)  in smp_send_nmi_ipi()  argument
561 	return __smp_send_nmi_ipi(cpu, fn, delay_us, false);  in smp_send_nmi_ipi()
564 int smp_send_safe_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us)  in smp_send_safe_nmi_ipi()  argument
566 	return __smp_send_nmi_ipi(cpu, fn, delay_us, true);  in smp_send_safe_nmi_ipi()
573 	unsigned int cpu;  in tick_broadcast()  local
575 	for_each_cpu(cpu, mask)  in tick_broadcast()
576 		do_message_pass(cpu, PPC_MSG_TICK_BROADCAST);  in tick_broadcast()
595 	int cpu;  in crash_send_ipi()  local
599 		for_each_present_cpu(cpu) {  in crash_send_ipi()
600 			if (cpu_online(cpu))  in crash_send_ipi()
611 			do_smp_send_nmi_ipi(cpu, false);  in crash_send_ipi()
867 static int get_cpu_thread_group_start(int cpu, struct thread_groups *tg)  in get_cpu_thread_group_start()  argument
869 	int hw_cpu_id = get_hard_smp_processor_id(cpu);  in get_cpu_thread_group_start()
886 static struct thread_groups *__init get_thread_groups(int cpu,  in get_thread_groups()  argument
890 	struct device_node *dn = of_get_cpu_node(cpu, NULL);  in get_thread_groups()
891 	struct thread_groups_list *cpu_tgl = &tgl[cpu];  in get_thread_groups()
922 					       int cpu, int cpu_group_start)  in update_mask_from_threadgroup()  argument
924 	int first_thread = cpu_first_thread_sibling(cpu);  in update_mask_from_threadgroup()
927 	zalloc_cpumask_var_node(mask, GFP_KERNEL, cpu_to_node(cpu));  in update_mask_from_threadgroup()
944 static int __init init_thread_group_cache_map(int cpu, int cache_property)  in init_thread_group_cache_map()  argument
955 	tg = get_thread_groups(cpu, cache_property, &err);  in init_thread_group_cache_map()
960 	cpu_group_start = get_cpu_thread_group_start(cpu, tg);  in init_thread_group_cache_map()
968 		mask = &per_cpu(thread_group_l1_cache_map, cpu);  in init_thread_group_cache_map()
969 		update_mask_from_threadgroup(mask, tg, cpu, cpu_group_start);  in init_thread_group_cache_map()
972 		mask = &per_cpu(thread_group_l2_cache_map, cpu);  in init_thread_group_cache_map()
973 		update_mask_from_threadgroup(mask, tg, cpu, cpu_group_start);  in init_thread_group_cache_map()
974 		mask = &per_cpu(thread_group_l3_cache_map, cpu);  in init_thread_group_cache_map()
975 		update_mask_from_threadgroup(mask, tg, cpu, cpu_group_start);  in init_thread_group_cache_map()
1031 static const struct cpumask *tl_cache_mask(struct sched_domain_topology_level *tl, int cpu)  in tl_cache_mask()  argument
1033 	return per_cpu(cpu_l2_cache_map, cpu);  in tl_cache_mask()
1037 static const struct cpumask *tl_smallcore_smt_mask(struct sched_domain_topology_level *tl, int cpu)  in tl_smallcore_smt_mask()  argument
1039 	return cpu_smallcore_mask(cpu);  in tl_smallcore_smt_mask()
1043 struct cpumask *cpu_coregroup_mask(int cpu)  in cpu_coregroup_mask()  argument
1045 	return per_cpu(cpu_coregroup_map, cpu);  in cpu_coregroup_mask()
1059 	int cpu;  in init_big_cores()  local
1061 	for_each_possible_cpu(cpu) {  in init_big_cores()
1062 		int err = init_thread_group_cache_map(cpu, THREAD_GROUP_SHARE_L1);  in init_big_cores()
1067 		zalloc_cpumask_var_node(&per_cpu(cpu_smallcore_map, cpu),  in init_big_cores()
1069 					cpu_to_node(cpu));  in init_big_cores()
1074 	for_each_possible_cpu(cpu) {  in init_big_cores()
1075 		int err = init_thread_group_cache_map(cpu, THREAD_GROUP_SHARE_L2_L3);  in init_big_cores()
1090 	unsigned int cpu, num_threads;  in smp_prepare_cpus()  local
1104 	for_each_possible_cpu(cpu) {  in smp_prepare_cpus()
1105 		zalloc_cpumask_var_node(&per_cpu(cpu_sibling_map, cpu),  in smp_prepare_cpus()
1106 					GFP_KERNEL, cpu_to_node(cpu));  in smp_prepare_cpus()
1107 		zalloc_cpumask_var_node(&per_cpu(cpu_l2_cache_map, cpu),  in smp_prepare_cpus()
1108 					GFP_KERNEL, cpu_to_node(cpu));  in smp_prepare_cpus()
1109 		zalloc_cpumask_var_node(&per_cpu(cpu_core_map, cpu),  in smp_prepare_cpus()
1110 					GFP_KERNEL, cpu_to_node(cpu));  in smp_prepare_cpus()
1112 			zalloc_cpumask_var_node(&per_cpu(cpu_coregroup_map, cpu),  in smp_prepare_cpus()
1113 						GFP_KERNEL, cpu_to_node(cpu));  in smp_prepare_cpus()
1119 		if (cpu_present(cpu)) {  in smp_prepare_cpus()
1120 			set_cpu_numa_node(cpu, numa_cpu_lookup_table[cpu]);  in smp_prepare_cpus()
1121 			set_cpu_numa_mem(cpu,  in smp_prepare_cpus()
1122 				local_memory_node(numa_cpu_lookup_table[cpu]));  in smp_prepare_cpus()
1179 	unsigned int cpu = smp_processor_id();  in generic_cpu_disable()  local
1181 	if (cpu == boot_cpuid)  in generic_cpu_disable()
1184 	set_cpu_online(cpu, false);  in generic_cpu_disable()
1206 void generic_cpu_die(unsigned int cpu)  in generic_cpu_die()  argument
1212 		if (is_cpu_dead(cpu))  in generic_cpu_die()
1216 	printk(KERN_ERR "CPU%d didn't die...\n", cpu);  in generic_cpu_die()
1219 void generic_set_cpu_dead(unsigned int cpu)  in generic_set_cpu_dead()  argument
1221 	per_cpu(cpu_state, cpu) = CPU_DEAD;  in generic_set_cpu_dead()
1229 void generic_set_cpu_up(unsigned int cpu)  in generic_set_cpu_up()  argument
1231 	per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;  in generic_set_cpu_up()
1234 int generic_check_cpu_restart(unsigned int cpu)  in generic_check_cpu_restart()  argument
1236 	return per_cpu(cpu_state, cpu) == CPU_UP_PREPARE;  in generic_check_cpu_restart()
1239 int is_cpu_dead(unsigned int cpu)  in is_cpu_dead()  argument
1241 	return per_cpu(cpu_state, cpu) == CPU_DEAD;  in is_cpu_dead()
1255 static void cpu_idle_thread_init(unsigned int cpu, struct task_struct *idle)  in cpu_idle_thread_init()  argument
1258 	paca_ptrs[cpu]->__current = idle;  in cpu_idle_thread_init()
1259 	paca_ptrs[cpu]->kstack = (unsigned long)task_stack_page(idle) +  in cpu_idle_thread_init()
1262 	task_thread_info(idle)->cpu = cpu;  in cpu_idle_thread_init()
1263 	secondary_current = current_set[cpu] = idle;  in cpu_idle_thread_init()
1266 int __cpu_up(unsigned int cpu, struct task_struct *tidle)  in __cpu_up()  argument
1279 	    cpu_thread_in_subcore(cpu))  in __cpu_up()
1283 	    (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu)))  in __cpu_up()
1286 	cpu_idle_thread_init(cpu, tidle);  in __cpu_up()
1293 		rc = smp_ops->prepare_cpu(cpu);  in __cpu_up()
1301 	cpu_callin_map[cpu] = 0;  in __cpu_up()
1310 	DBG("smp: kicking cpu %d\n", cpu);  in __cpu_up()
1311 	rc = smp_ops->kick_cpu(cpu);  in __cpu_up()
1313 		pr_err("smp: failed starting cpu %d (rc %d)\n", cpu, rc);  in __cpu_up()
1325 	spin_until_cond(cpu_callin_map[cpu] || time_is_before_jiffies(deadline));  in __cpu_up()
1327 	if (!cpu_callin_map[cpu] && system_state >= SYSTEM_RUNNING) {  in __cpu_up()
1332 		while (!cpu_callin_map[cpu] && time_is_after_jiffies(deadline))  in __cpu_up()
1336 	if (!cpu_callin_map[cpu]) {  in __cpu_up()
1337 		printk(KERN_ERR "Processor %u is stuck.\n", cpu);  in __cpu_up()
1341 	DBG("Processor %u found.\n", cpu);  in __cpu_up()
1347 	spin_until_cond(cpu_online(cpu));  in __cpu_up()
1355 int cpu_to_core_id(int cpu)  in cpu_to_core_id()  argument
1360 	np = of_get_cpu_node(cpu, NULL);  in cpu_to_core_id()
1372 int cpu_core_index_of_thread(int cpu)  in cpu_core_index_of_thread()  argument
1374 	return cpu >> threads_shift;  in cpu_core_index_of_thread()
1387 static struct device_node *cpu_to_l2cache(int cpu)  in cpu_to_l2cache()  argument
1392 	if (!cpu_present(cpu))  in cpu_to_l2cache()
1395 	np = of_get_cpu_node(cpu, NULL);  in cpu_to_l2cache()
1406 static bool update_mask_by_l2(int cpu, cpumask_var_t *mask)  in update_mask_by_l2()  argument
1420 		cpumask_set_cpu(cpu, cpu_l2_cache_mask(cpu));  in update_mask_by_l2()
1422 		for_each_cpu(i, per_cpu(thread_group_l2_cache_map, cpu)) {  in update_mask_by_l2()
1424 				set_cpus_related(i, cpu, cpu_l2_cache_mask);  in update_mask_by_l2()
1428 		if (!cpumask_equal(submask_fn(cpu), cpu_l2_cache_mask(cpu)) &&  in update_mask_by_l2()
1429 		    !cpumask_subset(submask_fn(cpu), cpu_l2_cache_mask(cpu))) {  in update_mask_by_l2()
1431 				     cpu);  in update_mask_by_l2()
1437 	l2_cache = cpu_to_l2cache(cpu);  in update_mask_by_l2()
1440 		for_each_cpu(i, cpu_sibling_mask(cpu))  in update_mask_by_l2()
1441 			set_cpus_related(cpu, i, cpu_l2_cache_mask);  in update_mask_by_l2()
1446 	cpumask_and(*mask, cpu_online_mask, cpu_node_mask(cpu));  in update_mask_by_l2()
1449 	or_cpumasks_related(cpu, cpu, submask_fn, cpu_l2_cache_mask);  in update_mask_by_l2()
1452 	cpumask_andnot(*mask, *mask, cpu_l2_cache_mask(cpu));  in update_mask_by_l2()
1463 			or_cpumasks_related(cpu, i, submask_fn, cpu_l2_cache_mask);  in update_mask_by_l2()
1477 static void remove_cpu_from_masks(int cpu)  in remove_cpu_from_masks()  argument
1482 	unmap_cpu_from_node(cpu);  in remove_cpu_from_masks()
1487 	for_each_cpu(i, mask_fn(cpu)) {  in remove_cpu_from_masks()
1488 		set_cpus_unrelated(cpu, i, cpu_l2_cache_mask);  in remove_cpu_from_masks()
1489 		set_cpus_unrelated(cpu, i, cpu_sibling_mask);  in remove_cpu_from_masks()
1491 			set_cpus_unrelated(cpu, i, cpu_smallcore_mask);  in remove_cpu_from_masks()
1494 	for_each_cpu(i, cpu_core_mask(cpu))  in remove_cpu_from_masks()
1495 		set_cpus_unrelated(cpu, i, cpu_core_mask);  in remove_cpu_from_masks()
1498 		for_each_cpu(i, cpu_coregroup_mask(cpu))  in remove_cpu_from_masks()
1499 			set_cpus_unrelated(cpu, i, cpu_coregroup_mask);  in remove_cpu_from_masks()
1504 static inline void add_cpu_to_smallcore_masks(int cpu)  in add_cpu_to_smallcore_masks()  argument
1511 	cpumask_set_cpu(cpu, cpu_smallcore_mask(cpu));  in add_cpu_to_smallcore_masks()
1513 	for_each_cpu(i, per_cpu(thread_group_l1_cache_map, cpu)) {  in add_cpu_to_smallcore_masks()
1515 			set_cpus_related(i, cpu, cpu_smallcore_mask);  in add_cpu_to_smallcore_masks()
1519 static void update_coregroup_mask(int cpu, cpumask_var_t *mask)  in update_coregroup_mask()  argument
1522 	int coregroup_id = cpu_to_coregroup_id(cpu);  in update_coregroup_mask()
1530 		for_each_cpu(i, submask_fn(cpu))  in update_coregroup_mask()
1531 			set_cpus_related(cpu, i, cpu_coregroup_mask);  in update_coregroup_mask()
1536 	cpumask_and(*mask, cpu_online_mask, cpu_node_mask(cpu));  in update_coregroup_mask()
1539 	or_cpumasks_related(cpu, cpu, submask_fn, cpu_coregroup_mask);  in update_coregroup_mask()
1542 	cpumask_andnot(*mask, *mask, cpu_coregroup_mask(cpu));  in update_coregroup_mask()
1547 			or_cpumasks_related(cpu, i, submask_fn, cpu_coregroup_mask);  in update_coregroup_mask()
1555 static void add_cpu_to_masks(int cpu)  in add_cpu_to_masks()  argument
1558 	int first_thread = cpu_first_thread_sibling(cpu);  in add_cpu_to_masks()
1568 	map_cpu_to_node(cpu, cpu_to_node(cpu));  in add_cpu_to_masks()
1569 	cpumask_set_cpu(cpu, cpu_sibling_mask(cpu));  in add_cpu_to_masks()
1570 	cpumask_set_cpu(cpu, cpu_core_mask(cpu));  in add_cpu_to_masks()
1574 			set_cpus_related(i, cpu, cpu_sibling_mask);  in add_cpu_to_masks()
1576 	add_cpu_to_smallcore_masks(cpu);  in add_cpu_to_masks()
1579 	ret = alloc_cpumask_var_node(&mask, GFP_ATOMIC, cpu_to_node(cpu));  in add_cpu_to_masks()
1580 	update_mask_by_l2(cpu, &mask);  in add_cpu_to_masks()
1583 		update_coregroup_mask(cpu, &mask);  in add_cpu_to_masks()
1586 		chip_id = cpu_to_chip_id(cpu);  in add_cpu_to_masks()
1592 	or_cpumasks_related(cpu, cpu, submask_fn, cpu_core_mask);  in add_cpu_to_masks()
1595 	cpumask_andnot(mask, cpu_online_mask, cpu_core_mask(cpu));  in add_cpu_to_masks()
1599 		cpumask_and(mask, mask, cpu_node_mask(cpu));  in add_cpu_to_masks()
1603 			or_cpumasks_related(cpu, i, submask_fn, cpu_core_mask);  in add_cpu_to_masks()
1617 	unsigned int cpu = raw_smp_processor_id();  in start_secondary()  local
1626 	cpumask_set_cpu(cpu, mm_cpumask(&init_mm));  in start_secondary()
1629 	smp_store_cpu_info(cpu);  in start_secondary()
1631 	rcutree_report_cpu_starting(cpu);  in start_secondary()
1632 	cpu_callin_map[cpu] = 1;  in start_secondary()
1635 		smp_ops->setup_cpu(cpu);  in start_secondary()
1649 	set_numa_node(numa_cpu_lookup_table[cpu]);  in start_secondary()
1650 	set_numa_mem(local_memory_node(numa_cpu_lookup_table[cpu]));  in start_secondary()
1653 	add_cpu_to_masks(cpu);  in start_secondary()
1661 		struct cpumask *mask = cpu_l2_cache_mask(cpu);  in start_secondary()
1666 		if (cpumask_weight(mask) > cpumask_weight(sibling_mask(cpu)))  in start_secondary()
1671 	notify_cpu_starting(cpu);  in start_secondary()
1672 	set_cpu_online(cpu, true);  in start_secondary()
1742 int arch_asym_cpu_priority(int cpu)  in arch_asym_cpu_priority()  argument
1745 		return -cpu / threads_per_core;  in arch_asym_cpu_priority()
1747 	return -cpu;  in arch_asym_cpu_priority()
1753 	int cpu = smp_processor_id();  in __cpu_disable()  local
1766 	remove_cpu_from_masks(cpu);  in __cpu_disable()
1771 void __cpu_die(unsigned int cpu)  in __cpu_die()  argument
1777 	VM_WARN_ON_ONCE(!cpumask_test_cpu(cpu, mm_cpumask(&init_mm)));  in __cpu_die()
1779 	cpumask_clear_cpu(cpu, mm_cpumask(&init_mm));  in __cpu_die()
1782 		smp_ops->cpu_die(cpu);  in __cpu_die()