246 	int cpu;  in kgdb_roundup_cpus()  local
249 	for_each_online_cpu(cpu) {  in kgdb_roundup_cpus()
251 		if (cpu == this_cpu)  in kgdb_roundup_cpus()
254 		csd = &per_cpu(kgdb_roundup_csd, cpu);  in kgdb_roundup_cpus()
264 		if (kgdb_info[cpu].rounding_up)  in kgdb_roundup_cpus()
266 		kgdb_info[cpu].rounding_up = true;  in kgdb_roundup_cpus()
268 		ret = smp_call_function_single_async(cpu, csd);  in kgdb_roundup_cpus()
270 			kgdb_info[cpu].rounding_up = false;  in kgdb_roundup_cpus()
468 void kdb_dump_stack_on_cpu(int cpu)  in kdb_dump_stack_on_cpu()  argument
470 	if (cpu == raw_smp_processor_id() || !IS_ENABLED(CONFIG_SMP)) {  in kdb_dump_stack_on_cpu()
475 	if (!(kgdb_info[cpu].exception_state & DCPU_IS_SLAVE)) {  in kdb_dump_stack_on_cpu()
477 			   cpu);  in kdb_dump_stack_on_cpu()
492 	kgdb_info[cpu].exception_state |= DCPU_WANT_BT;  in kdb_dump_stack_on_cpu()
493 	while (kgdb_info[cpu].exception_state & DCPU_WANT_BT)  in kdb_dump_stack_on_cpu()
589 	int cpu;  in kgdb_cpu_enter()  local
594 	kgdb_info[ks->cpu].enter_kgdb++;  in kgdb_cpu_enter()
595 	kgdb_info[ks->cpu].exception_state |= exception_state;  in kgdb_cpu_enter()
613 	cpu = ks->cpu;  in kgdb_cpu_enter()
614 	kgdb_info[cpu].debuggerinfo = regs;  in kgdb_cpu_enter()
615 	kgdb_info[cpu].task = current;  in kgdb_cpu_enter()
616 	kgdb_info[cpu].ret_state = 0;  in kgdb_cpu_enter()
617 	kgdb_info[cpu].irq_depth = hardirq_count() >> HARDIRQ_SHIFT;  in kgdb_cpu_enter()
624 			atomic_xchg(&kgdb_active, cpu);  in kgdb_cpu_enter()
634 		if (kgdb_info[cpu].exception_state & DCPU_NEXT_MASTER) {  in kgdb_cpu_enter()
635 			kgdb_info[cpu].exception_state &= ~DCPU_NEXT_MASTER;  in kgdb_cpu_enter()
637 		} else if (kgdb_info[cpu].exception_state & DCPU_WANT_MASTER) {  in kgdb_cpu_enter()
639 				atomic_xchg(&kgdb_active, cpu);  in kgdb_cpu_enter()
642 		} else if (kgdb_info[cpu].exception_state & DCPU_WANT_BT) {  in kgdb_cpu_enter()
644 			kgdb_info[cpu].exception_state &= ~DCPU_WANT_BT;  in kgdb_cpu_enter()
645 		} else if (kgdb_info[cpu].exception_state & DCPU_IS_SLAVE) {  in kgdb_cpu_enter()
657 			kgdb_info[cpu].debuggerinfo = NULL;  in kgdb_cpu_enter()
658 			kgdb_info[cpu].task = NULL;  in kgdb_cpu_enter()
659 			kgdb_info[cpu].exception_state &=  in kgdb_cpu_enter()
661 			kgdb_info[cpu].enter_kgdb--;  in kgdb_cpu_enter()
679 	    (kgdb_info[cpu].task &&  in kgdb_cpu_enter()
680 	     kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) {  in kgdb_cpu_enter()
691 		kgdb_info[cpu].ret_state = 1;  in kgdb_cpu_enter()
789 			kgdb_info[cpu].ret_state = error;  in kgdb_cpu_enter()
822 	kgdb_info[cpu].debuggerinfo = NULL;  in kgdb_cpu_enter()
823 	kgdb_info[cpu].task = NULL;  in kgdb_cpu_enter()
824 	kgdb_info[cpu].exception_state &=  in kgdb_cpu_enter()
826 	kgdb_info[cpu].enter_kgdb--;  in kgdb_cpu_enter()
836 	return kgdb_info[cpu].ret_state;  in kgdb_cpu_enter()
866 	ks->cpu			= raw_smp_processor_id();  in kgdb_handle_exception()
874 	if (kgdb_info[ks->cpu].enter_kgdb != 0)  in kgdb_handle_exception()
898 int kgdb_nmicallback(int cpu, void *regs)  in kgdb_nmicallback()  argument
904 	kgdb_info[cpu].rounding_up = false;  in kgdb_nmicallback()
907 	ks->cpu			= cpu;  in kgdb_nmicallback()
910 	if (kgdb_info[ks->cpu].enter_kgdb == 0 &&  in kgdb_nmicallback()
920 int kgdb_nmicallin(int cpu, int trapnr, void *regs, int err_code,  in kgdb_nmicallin()  argument
927 	if (kgdb_info[cpu].enter_kgdb == 0) {  in kgdb_nmicallin()
932 		ks->cpu			= cpu;  in kgdb_nmicallin()