28 static bool try_one_irq(struct irq_desc *desc, bool force)  in try_one_irq()  argument
33 	guard(raw_spinlock)(&desc->lock);  in try_one_irq()
39 	if (irq_settings_is_per_cpu(desc) || irq_settings_is_nested_thread(desc) ||  in try_one_irq()
40 	    irq_settings_is_polled(desc))  in try_one_irq()
47 	if (irqd_irq_disabled(&desc->irq_data) && !force)  in try_one_irq()
54 	action = desc->action;  in try_one_irq()
59 	if (irqd_irq_inprogress(&desc->irq_data)) {  in try_one_irq()
64 		desc->istate |= IRQS_PENDING;  in try_one_irq()
69 	desc->istate |= IRQS_POLL_INPROGRESS;  in try_one_irq()
71 		if (handle_irq_event(desc) == IRQ_HANDLED)  in try_one_irq()
74 		action = desc->action;  in try_one_irq()
75 	} while ((desc->istate & IRQS_PENDING) && action);  in try_one_irq()
76 	desc->istate &= ~IRQS_POLL_INPROGRESS;  in try_one_irq()
82 	struct irq_desc *desc;  in misrouted_irq()  local
90 	for_each_irq_desc(i, desc) {  in misrouted_irq()
97 		if (try_one_irq(desc, false))  in misrouted_irq()
108 	struct irq_desc *desc;  in poll_spurious_irqs()  local
115 	for_each_irq_desc(i, desc) {  in poll_spurious_irqs()
122 		state = READ_ONCE(desc->istate);  in poll_spurious_irqs()
127 		try_one_irq(desc, true);  in poll_spurious_irqs()
152 static void __report_bad_irq(struct irq_desc *desc, irqreturn_t action_ret)  in __report_bad_irq()  argument
154 	unsigned int irq = irq_desc_get_irq(desc);  in __report_bad_irq()
170 	guard(raw_spinlock_irqsave)(&desc->lock);  in __report_bad_irq()
171 	for_each_action_of_desc(desc, action) {  in __report_bad_irq()
179 static void report_bad_irq(struct irq_desc *desc, irqreturn_t action_ret)  in report_bad_irq()  argument
185 		__report_bad_irq(desc, action_ret);  in report_bad_irq()
189 static inline bool try_misrouted_irq(unsigned int irq, struct irq_desc *desc,  in try_misrouted_irq()  argument
216 	action = READ_ONCE(desc->action);  in try_misrouted_irq()
222 void note_interrupt(struct irq_desc *desc, irqreturn_t action_ret)  in note_interrupt()  argument
226 	if (desc->istate & IRQS_POLL_INPROGRESS || irq_settings_is_polled(desc))  in note_interrupt()
230 		report_bad_irq(desc, action_ret);  in note_interrupt()
271 			if (!(desc->threads_handled_last & SPURIOUS_DEFERRED)) {  in note_interrupt()
272 				desc->threads_handled_last |= SPURIOUS_DEFERRED;  in note_interrupt()
287 			handled = atomic_read(&desc->threads_handled);  in note_interrupt()
289 			if (handled != desc->threads_handled_last) {  in note_interrupt()
299 				desc->threads_handled_last = handled;  in note_interrupt()
330 			desc->threads_handled_last &= ~SPURIOUS_DEFERRED;  in note_interrupt()
341 		if (time_after(jiffies, desc->last_unhandled + HZ/10))  in note_interrupt()
342 			desc->irqs_unhandled = 1;  in note_interrupt()
344 			desc->irqs_unhandled++;  in note_interrupt()
345 		desc->last_unhandled = jiffies;  in note_interrupt()
348 	irq = irq_desc_get_irq(desc);  in note_interrupt()
349 	if (unlikely(try_misrouted_irq(irq, desc, action_ret))) {  in note_interrupt()
352 			desc->irqs_unhandled -= ok;  in note_interrupt()
355 	if (likely(!desc->irqs_unhandled))  in note_interrupt()
359 	desc->irq_count++;  in note_interrupt()
360 	if (likely(desc->irq_count < 100000))  in note_interrupt()
363 	desc->irq_count = 0;  in note_interrupt()
364 	if (unlikely(desc->irqs_unhandled > 99900)) {  in note_interrupt()
368 		__report_bad_irq(desc, action_ret);  in note_interrupt()
373 		desc->istate |= IRQS_SPURIOUS_DISABLED;  in note_interrupt()
374 		desc->depth++;  in note_interrupt()
375 		irq_disable(desc);  in note_interrupt()
379 	desc->irqs_unhandled = 0;  in note_interrupt()