258 void smp_muxed_ipi_set_message(int cpu, int msg)  in smp_muxed_ipi_set_message()  argument
260 	struct cpu_messages *info = &per_cpu(ipi_message, cpu);  in smp_muxed_ipi_set_message()
270 void smp_muxed_ipi_message_pass(int cpu, int msg)  in smp_muxed_ipi_message_pass()  argument
272 	smp_muxed_ipi_set_message(cpu, msg);  in smp_muxed_ipi_message_pass()
278 	smp_ops->cause_ipi(cpu);  in smp_muxed_ipi_message_pass()
332 static inline void do_message_pass(int cpu, int msg)  in do_message_pass()  argument
335 		smp_ops->message_pass(cpu, msg);  in do_message_pass()
338 		smp_muxed_ipi_message_pass(cpu, msg);  in do_message_pass()
342 void smp_send_reschedule(int cpu)  in smp_send_reschedule()  argument
345 		do_message_pass(cpu, PPC_MSG_RESCHEDULE);  in smp_send_reschedule()
349 void arch_send_call_function_single_ipi(int cpu)  in arch_send_call_function_single_ipi()  argument
351 	do_message_pass(cpu, PPC_MSG_CALL_FUNCTION);  in arch_send_call_function_single_ipi()
356 	unsigned int cpu;  in arch_send_call_function_ipi_mask()  local
358 	for_each_cpu(cpu, mask)  in arch_send_call_function_ipi_mask()
359 		do_message_pass(cpu, PPC_MSG_CALL_FUNCTION);  in arch_send_call_function_ipi_mask()
450 static void do_smp_send_nmi_ipi(int cpu, bool safe)  in do_smp_send_nmi_ipi()  argument
452 	if (!safe && smp_ops->cause_nmi_ipi && smp_ops->cause_nmi_ipi(cpu))  in do_smp_send_nmi_ipi()
455 	if (cpu >= 0) {  in do_smp_send_nmi_ipi()
456 		do_message_pass(cpu, PPC_MSG_NMI_IPI);  in do_smp_send_nmi_ipi()
474 static int __smp_send_nmi_ipi(int cpu, void (*fn)(struct pt_regs *),  in __smp_send_nmi_ipi()  argument
481 	BUG_ON(cpu == me);  in __smp_send_nmi_ipi()
482 	BUG_ON(cpu < 0 && cpu != NMI_IPI_ALL_OTHERS);  in __smp_send_nmi_ipi()
498 	if (cpu < 0) {  in __smp_send_nmi_ipi()
503 		cpumask_set_cpu(cpu, &nmi_ipi_pending_mask);  in __smp_send_nmi_ipi()
510 	do_smp_send_nmi_ipi(cpu, safe);  in __smp_send_nmi_ipi()
539 int smp_send_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us)  in smp_send_nmi_ipi()  argument
541 	return __smp_send_nmi_ipi(cpu, fn, delay_us, false);  in smp_send_nmi_ipi()
544 int smp_send_safe_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us)  in smp_send_safe_nmi_ipi()  argument
546 	return __smp_send_nmi_ipi(cpu, fn, delay_us, true);  in smp_send_safe_nmi_ipi()
553 	unsigned int cpu;  in tick_broadcast()  local
555 	for_each_cpu(cpu, mask)  in tick_broadcast()
556 		do_message_pass(cpu, PPC_MSG_TICK_BROADCAST);  in tick_broadcast()
575 	int cpu;  in crash_send_ipi()  local
579 		for_each_present_cpu(cpu) {  in crash_send_ipi()
580 			if (cpu_online(cpu))  in crash_send_ipi()
591 			do_smp_send_nmi_ipi(cpu, false);  in crash_send_ipi()
789 static int get_cpu_thread_group_start(int cpu, struct thread_groups *tg)  in get_cpu_thread_group_start()  argument
791 	int hw_cpu_id = get_hard_smp_processor_id(cpu);  in get_cpu_thread_group_start()
808 static int init_cpu_l1_cache_map(int cpu)  in init_cpu_l1_cache_map()  argument
811 	struct device_node *dn = of_get_cpu_node(cpu, NULL);  in init_cpu_l1_cache_map()
815 	int first_thread = cpu_first_thread_sibling(cpu);  in init_cpu_l1_cache_map()
825 	cpu_group_start = get_cpu_thread_group_start(cpu, &tg);  in init_cpu_l1_cache_map()
833 	zalloc_cpumask_var_node(&per_cpu(cpu_l1_cache_map, cpu),  in init_cpu_l1_cache_map()
834 				GFP_KERNEL, cpu_to_node(cpu));  in init_cpu_l1_cache_map()
846 			cpumask_set_cpu(i, per_cpu(cpu_l1_cache_map, cpu));  in init_cpu_l1_cache_map()
885 static const struct cpumask *shared_cache_mask(int cpu)  in shared_cache_mask()  argument
887 	return per_cpu(cpu_l2_cache_map, cpu);  in shared_cache_mask()
891 static const struct cpumask *smallcore_smt_mask(int cpu)  in smallcore_smt_mask()  argument
893 	return cpu_smallcore_mask(cpu);  in smallcore_smt_mask()
897 static struct cpumask *cpu_coregroup_mask(int cpu)  in cpu_coregroup_mask()  argument
899 	return per_cpu(cpu_coregroup_map, cpu);  in cpu_coregroup_mask()
907 static const struct cpumask *cpu_mc_mask(int cpu)  in cpu_mc_mask()  argument
909 	return cpu_coregroup_mask(cpu);  in cpu_mc_mask()
924 	int cpu;  in init_big_cores()  local
926 	for_each_possible_cpu(cpu) {  in init_big_cores()
927 		int err = init_cpu_l1_cache_map(cpu);  in init_big_cores()
932 		zalloc_cpumask_var_node(&per_cpu(cpu_smallcore_map, cpu),  in init_big_cores()
934 					cpu_to_node(cpu));  in init_big_cores()
943 	unsigned int cpu;  in smp_prepare_cpus()  local
957 	for_each_possible_cpu(cpu) {  in smp_prepare_cpus()
958 		zalloc_cpumask_var_node(&per_cpu(cpu_sibling_map, cpu),  in smp_prepare_cpus()
959 					GFP_KERNEL, cpu_to_node(cpu));  in smp_prepare_cpus()
960 		zalloc_cpumask_var_node(&per_cpu(cpu_l2_cache_map, cpu),  in smp_prepare_cpus()
961 					GFP_KERNEL, cpu_to_node(cpu));  in smp_prepare_cpus()
962 		zalloc_cpumask_var_node(&per_cpu(cpu_core_map, cpu),  in smp_prepare_cpus()
963 					GFP_KERNEL, cpu_to_node(cpu));  in smp_prepare_cpus()
965 			zalloc_cpumask_var_node(&per_cpu(cpu_coregroup_map, cpu),  in smp_prepare_cpus()
966 						GFP_KERNEL, cpu_to_node(cpu));  in smp_prepare_cpus()
972 		if (cpu_present(cpu)) {  in smp_prepare_cpus()
973 			set_cpu_numa_node(cpu, numa_cpu_lookup_table[cpu]);  in smp_prepare_cpus()
974 			set_cpu_numa_mem(cpu,  in smp_prepare_cpus()
975 				local_memory_node(numa_cpu_lookup_table[cpu]));  in smp_prepare_cpus()
983 		cpumask_copy(per_cpu(cpu_core_map, cpu), cpu_cpu_mask(cpu));  in smp_prepare_cpus()
1017 	unsigned int cpu = smp_processor_id();  in generic_cpu_disable()  local
1019 	if (cpu == boot_cpuid)  in generic_cpu_disable()
1022 	set_cpu_online(cpu, false);  in generic_cpu_disable()
1044 void generic_cpu_die(unsigned int cpu)  in generic_cpu_die()  argument
1050 		if (is_cpu_dead(cpu))  in generic_cpu_die()
1054 	printk(KERN_ERR "CPU%d didn't die...\n", cpu);  in generic_cpu_die()
1057 void generic_set_cpu_dead(unsigned int cpu)  in generic_set_cpu_dead()  argument
1059 	per_cpu(cpu_state, cpu) = CPU_DEAD;  in generic_set_cpu_dead()
1067 void generic_set_cpu_up(unsigned int cpu)  in generic_set_cpu_up()  argument
1069 	per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;  in generic_set_cpu_up()
1072 int generic_check_cpu_restart(unsigned int cpu)  in generic_check_cpu_restart()  argument
1074 	return per_cpu(cpu_state, cpu) == CPU_UP_PREPARE;  in generic_check_cpu_restart()
1077 int is_cpu_dead(unsigned int cpu)  in is_cpu_dead()  argument
1079 	return per_cpu(cpu_state, cpu) == CPU_DEAD;  in is_cpu_dead()
1093 static void cpu_idle_thread_init(unsigned int cpu, struct task_struct *idle)  in cpu_idle_thread_init()  argument
1096 	paca_ptrs[cpu]->__current = idle;  in cpu_idle_thread_init()
1097 	paca_ptrs[cpu]->kstack = (unsigned long)task_stack_page(idle) +  in cpu_idle_thread_init()
1100 	idle->cpu = cpu;  in cpu_idle_thread_init()
1101 	secondary_current = current_set[cpu] = idle;  in cpu_idle_thread_init()
1104 int __cpu_up(unsigned int cpu, struct task_struct *tidle)  in __cpu_up()  argument
1112 	    cpu_thread_in_subcore(cpu))  in __cpu_up()
1116 	    (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu)))  in __cpu_up()
1119 	cpu_idle_thread_init(cpu, tidle);  in __cpu_up()
1126 		rc = smp_ops->prepare_cpu(cpu);  in __cpu_up()
1134 	cpu_callin_map[cpu] = 0;  in __cpu_up()
1143 	DBG("smp: kicking cpu %d\n", cpu);  in __cpu_up()
1144 	rc = smp_ops->kick_cpu(cpu);  in __cpu_up()
1146 		pr_err("smp: failed starting cpu %d (rc %d)\n", cpu, rc);  in __cpu_up()
1156 		for (c = 50000; c && !cpu_callin_map[cpu]; c--)  in __cpu_up()
1164 		for (c = 5000; c && !cpu_callin_map[cpu]; c--)  in __cpu_up()
1168 	if (!cpu_callin_map[cpu]) {  in __cpu_up()
1169 		printk(KERN_ERR "Processor %u is stuck.\n", cpu);  in __cpu_up()
1173 	DBG("Processor %u found.\n", cpu);  in __cpu_up()
1179 	spin_until_cond(cpu_online(cpu));  in __cpu_up()
1187 int cpu_to_core_id(int cpu)  in cpu_to_core_id()  argument
1193 	np = of_get_cpu_node(cpu, NULL);  in cpu_to_core_id()
1209 int cpu_core_index_of_thread(int cpu)  in cpu_core_index_of_thread()  argument
1211 	return cpu >> threads_shift;  in cpu_core_index_of_thread()
1224 static struct device_node *cpu_to_l2cache(int cpu)  in cpu_to_l2cache()  argument
1229 	if (!cpu_present(cpu))  in cpu_to_l2cache()
1232 	np = of_get_cpu_node(cpu, NULL);  in cpu_to_l2cache()
1243 static bool update_mask_by_l2(int cpu, cpumask_var_t *mask)  in update_mask_by_l2()  argument
1252 	l2_cache = cpu_to_l2cache(cpu);  in update_mask_by_l2()
1255 		for_each_cpu(i, submask_fn(cpu))  in update_mask_by_l2()
1256 			set_cpus_related(cpu, i, cpu_l2_cache_mask);  in update_mask_by_l2()
1261 	cpumask_and(*mask, cpu_online_mask, cpu_cpu_mask(cpu));  in update_mask_by_l2()
1264 	or_cpumasks_related(cpu, cpu, submask_fn, cpu_l2_cache_mask);  in update_mask_by_l2()
1267 	cpumask_andnot(*mask, *mask, cpu_l2_cache_mask(cpu));  in update_mask_by_l2()
1278 			or_cpumasks_related(cpu, i, submask_fn, cpu_l2_cache_mask);  in update_mask_by_l2()
1292 static void remove_cpu_from_masks(int cpu)  in remove_cpu_from_masks()  argument
1300 	for_each_cpu(i, mask_fn(cpu)) {  in remove_cpu_from_masks()
1301 		set_cpus_unrelated(cpu, i, cpu_l2_cache_mask);  in remove_cpu_from_masks()
1302 		set_cpus_unrelated(cpu, i, cpu_sibling_mask);  in remove_cpu_from_masks()
1304 			set_cpus_unrelated(cpu, i, cpu_smallcore_mask);  in remove_cpu_from_masks()
1308 		for_each_cpu(i, cpu_coregroup_mask(cpu))  in remove_cpu_from_masks()
1309 			set_cpus_unrelated(cpu, i, cpu_coregroup_mask);  in remove_cpu_from_masks()
1314 static inline void add_cpu_to_smallcore_masks(int cpu)  in add_cpu_to_smallcore_masks()  argument
1321 	cpumask_set_cpu(cpu, cpu_smallcore_mask(cpu));  in add_cpu_to_smallcore_masks()
1323 	for_each_cpu(i, per_cpu(cpu_l1_cache_map, cpu)) {  in add_cpu_to_smallcore_masks()
1325 			set_cpus_related(i, cpu, cpu_smallcore_mask);  in add_cpu_to_smallcore_masks()
1329 static void update_coregroup_mask(int cpu, cpumask_var_t *mask)  in update_coregroup_mask()  argument
1332 	int coregroup_id = cpu_to_coregroup_id(cpu);  in update_coregroup_mask()
1340 		for_each_cpu(i, submask_fn(cpu))  in update_coregroup_mask()
1341 			set_cpus_related(cpu, i, cpu_coregroup_mask);  in update_coregroup_mask()
1346 	cpumask_and(*mask, cpu_online_mask, cpu_cpu_mask(cpu));  in update_coregroup_mask()
1349 	or_cpumasks_related(cpu, cpu, submask_fn, cpu_coregroup_mask);  in update_coregroup_mask()
1352 	cpumask_andnot(*mask, *mask, cpu_coregroup_mask(cpu));  in update_coregroup_mask()
1357 			or_cpumasks_related(cpu, i, submask_fn, cpu_coregroup_mask);  in update_coregroup_mask()
1365 static void add_cpu_to_masks(int cpu)  in add_cpu_to_masks()  argument
1367 	int first_thread = cpu_first_thread_sibling(cpu);  in add_cpu_to_masks()
1375 	cpumask_set_cpu(cpu, cpu_sibling_mask(cpu));  in add_cpu_to_masks()
1379 			set_cpus_related(i, cpu, cpu_sibling_mask);  in add_cpu_to_masks()
1381 	add_cpu_to_smallcore_masks(cpu);  in add_cpu_to_masks()
1384 	alloc_cpumask_var_node(&mask, GFP_ATOMIC, cpu_to_node(cpu));  in add_cpu_to_masks()
1385 	update_mask_by_l2(cpu, &mask);  in add_cpu_to_masks()
1388 		update_coregroup_mask(cpu, &mask);  in add_cpu_to_masks()
1396 	unsigned int cpu = raw_smp_processor_id();  in start_secondary()  local
1401 	smp_store_cpu_info(cpu);  in start_secondary()
1403 	rcu_cpu_starting(cpu);  in start_secondary()
1405 	cpu_callin_map[cpu] = 1;  in start_secondary()
1408 		smp_ops->setup_cpu(cpu);  in start_secondary()
1421 	add_cpu_to_masks(cpu);  in start_secondary()
1429 		struct cpumask *mask = cpu_l2_cache_mask(cpu);  in start_secondary()
1434 		if (cpumask_weight(mask) > cpumask_weight(sibling_mask(cpu)))  in start_secondary()
1438 	set_numa_node(numa_cpu_lookup_table[cpu]);  in start_secondary()
1439 	set_numa_mem(local_memory_node(numa_cpu_lookup_table[cpu]));  in start_secondary()
1442 	notify_cpu_starting(cpu);  in start_secondary()
1443 	set_cpu_online(cpu, true);  in start_secondary()
1521 	int cpu = smp_processor_id();  in __cpu_disable()  local
1534 	remove_cpu_from_masks(cpu);  in __cpu_disable()
1539 void __cpu_die(unsigned int cpu)  in __cpu_die()  argument
1542 		smp_ops->cpu_die(cpu);  in __cpu_die()