44  * 'what should we do if we get a hw irq event on an illegal vector'.
50 		pr_err("unexpected IRQ trap at vector %02x\n", irq);  in ack_bad_irq()
259 static struct irq_desc *reevaluate_vector(int vector)  in reevaluate_vector()  argument
261 	struct irq_desc *desc = __this_cpu_read(vector_irq[vector]);  in reevaluate_vector()
267 		pr_emerg_ratelimited("No irq handler for %d.%u\n", smp_processor_id(), vector);  in reevaluate_vector()
269 		__this_cpu_write(vector_irq[vector], VECTOR_UNUSED);  in reevaluate_vector()
273 static __always_inline bool call_irq_handler(int vector, struct pt_regs *regs)  in call_irq_handler()  argument
275 	struct irq_desc *desc = __this_cpu_read(vector_irq[vector]);  in call_irq_handler()
284 	 * request_irq() setting up the vector:  in call_irq_handler()
290 	 *   per_cpu(vector_irq, CPU1)[vector] = VECTOR_SHUTDOWN;  in call_irq_handler()
293 	 *				  d = this_cpu_read(vector_irq[vector]);  in call_irq_handler()
295 	 * per_cpu(vector_irq, CPU1)[vector] = desc;  in call_irq_handler()
298 	 *				    this_cpu_write(vector_irq[vector], VECTOR_UNUSED);  in call_irq_handler()
300 	 * This requires that the same vector on the same target CPU is  in call_irq_handler()
301 	 * handed out or that a spurious interrupt hits that CPU/vector.  in call_irq_handler()
304 	desc = reevaluate_vector(vector);  in call_irq_handler()
325 	if (unlikely(!call_irq_handler(vector, regs)))  in DEFINE_IDTENTRY_IRQ()
332 /* Function pointer for generic interrupt vector handling */
484 	unsigned int vector;  in fixup_irqs()  local
503 	 * We can walk the vector array of this cpu without holding  in fixup_irqs()
507 	for (vector = FIRST_EXTERNAL_VECTOR; vector < NR_VECTORS; vector++) {  in fixup_irqs()
508 		if (IS_ERR_OR_NULL(__this_cpu_read(vector_irq[vector])))  in fixup_irqs()
511 		if (is_vector_pending(vector)) {  in fixup_irqs()
512 			desc = __this_cpu_read(vector_irq[vector]);  in fixup_irqs()
519 				__this_cpu_write(vector_irq[vector], VECTOR_RETRIGGERED);  in fixup_irqs()
523 		if (__this_cpu_read(vector_irq[vector]) != VECTOR_RETRIGGERED)  in fixup_irqs()
524 			__this_cpu_write(vector_irq[vector], VECTOR_UNUSED);  in fixup_irqs()