249 	int cpu;  in kgdb_roundup_cpus()  local
252 	for_each_online_cpu(cpu) {  in kgdb_roundup_cpus()
254 		if (cpu == this_cpu)  in kgdb_roundup_cpus()
257 		csd = &per_cpu(kgdb_roundup_csd, cpu);  in kgdb_roundup_cpus()
267 		if (kgdb_info[cpu].rounding_up)  in kgdb_roundup_cpus()
269 		kgdb_info[cpu].rounding_up = true;  in kgdb_roundup_cpus()
272 		ret = smp_call_function_single_async(cpu, csd);  in kgdb_roundup_cpus()
274 			kgdb_info[cpu].rounding_up = false;  in kgdb_roundup_cpus()
472 void kdb_dump_stack_on_cpu(int cpu)  in kdb_dump_stack_on_cpu()  argument
474 	if (cpu == raw_smp_processor_id() || !IS_ENABLED(CONFIG_SMP)) {  in kdb_dump_stack_on_cpu()
479 	if (!(kgdb_info[cpu].exception_state & DCPU_IS_SLAVE)) {  in kdb_dump_stack_on_cpu()
481 			   cpu);  in kdb_dump_stack_on_cpu()
496 	kgdb_info[cpu].exception_state |= DCPU_WANT_BT;  in kdb_dump_stack_on_cpu()
497 	while (kgdb_info[cpu].exception_state & DCPU_WANT_BT)  in kdb_dump_stack_on_cpu()
593 	int cpu;  in kgdb_cpu_enter()  local
598 	kgdb_info[ks->cpu].enter_kgdb++;  in kgdb_cpu_enter()
599 	kgdb_info[ks->cpu].exception_state |= exception_state;  in kgdb_cpu_enter()
617 	cpu = ks->cpu;  in kgdb_cpu_enter()
618 	kgdb_info[cpu].debuggerinfo = regs;  in kgdb_cpu_enter()
619 	kgdb_info[cpu].task = current;  in kgdb_cpu_enter()
620 	kgdb_info[cpu].ret_state = 0;  in kgdb_cpu_enter()
621 	kgdb_info[cpu].irq_depth = hardirq_count() >> HARDIRQ_SHIFT;  in kgdb_cpu_enter()
628 			atomic_xchg(&kgdb_active, cpu);  in kgdb_cpu_enter()
638 		if (kgdb_info[cpu].exception_state & DCPU_NEXT_MASTER) {  in kgdb_cpu_enter()
639 			kgdb_info[cpu].exception_state &= ~DCPU_NEXT_MASTER;  in kgdb_cpu_enter()
641 		} else if (kgdb_info[cpu].exception_state & DCPU_WANT_MASTER) {  in kgdb_cpu_enter()
643 				atomic_xchg(&kgdb_active, cpu);  in kgdb_cpu_enter()
646 		} else if (kgdb_info[cpu].exception_state & DCPU_WANT_BT) {  in kgdb_cpu_enter()
648 			kgdb_info[cpu].exception_state &= ~DCPU_WANT_BT;  in kgdb_cpu_enter()
649 		} else if (kgdb_info[cpu].exception_state & DCPU_IS_SLAVE) {  in kgdb_cpu_enter()
661 			kgdb_info[cpu].debuggerinfo = NULL;  in kgdb_cpu_enter()
662 			kgdb_info[cpu].task = NULL;  in kgdb_cpu_enter()
663 			kgdb_info[cpu].exception_state &=  in kgdb_cpu_enter()
665 			kgdb_info[cpu].enter_kgdb--;  in kgdb_cpu_enter()
683 	    (kgdb_info[cpu].task &&  in kgdb_cpu_enter()
684 	     kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) {  in kgdb_cpu_enter()
695 		kgdb_info[cpu].ret_state = 1;  in kgdb_cpu_enter()
793 			kgdb_info[cpu].ret_state = error;  in kgdb_cpu_enter()
826 	kgdb_info[cpu].debuggerinfo = NULL;  in kgdb_cpu_enter()
827 	kgdb_info[cpu].task = NULL;  in kgdb_cpu_enter()
828 	kgdb_info[cpu].exception_state &=  in kgdb_cpu_enter()
830 	kgdb_info[cpu].enter_kgdb--;  in kgdb_cpu_enter()
840 	return kgdb_info[cpu].ret_state;  in kgdb_cpu_enter()
870 	ks->cpu			= raw_smp_processor_id();  in kgdb_handle_exception()
878 	if (kgdb_info[ks->cpu].enter_kgdb != 0)  in kgdb_handle_exception()
902 int kgdb_nmicallback(int cpu, void *regs)  in kgdb_nmicallback()  argument
908 	kgdb_info[cpu].rounding_up = false;  in kgdb_nmicallback()
911 	ks->cpu			= cpu;  in kgdb_nmicallback()
914 	if (kgdb_info[ks->cpu].enter_kgdb == 0 &&  in kgdb_nmicallback()
924 int kgdb_nmicallin(int cpu, int trapnr, void *regs, int err_code,  in kgdb_nmicallin()  argument
931 	if (kgdb_info[cpu].enter_kgdb == 0) {  in kgdb_nmicallin()
936 		ks->cpu			= cpu;  in kgdb_nmicallin()