20 /* For !GENERIC_IRQ_EFFECTIVE_AFF_MASK this looks at general affinity mask */
29 	 * which do not implement effective affinity, but the architecture has  in irq_needs_fixup()
30 	 * enabled the config switch. Use the general affinity mask instead.  in irq_needs_fixup()
46 		pr_warn("Eff. affinity %*pbl of IRQ %u contains only offline CPUs after offlining CPU %u\n",  in irq_needs_fixup()
59 	const struct cpumask *affinity;  in migrate_one_irq()  local
68 	 * still in the radix tree. Also if the chip has no affinity setter,  in migrate_one_irq()
80 	 * - Affinity mask does not include this CPU.  in migrate_one_irq()
104 	 * mask, so the last change of the affinity does not get lost. If  in migrate_one_irq()
106 	 * any online CPU, use the current affinity mask.  in migrate_one_irq()
109 		affinity = irq_desc_get_pending_mask(desc);  in migrate_one_irq()
111 		affinity = irq_data_get_affinity_mask(d);  in migrate_one_irq()
118 	cpumask_copy(&available_cpus, affinity);  in migrate_one_irq()
120 	affinity = &available_cpus;  in migrate_one_irq()
123 	if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) {  in migrate_one_irq()
130 		 * the affinity untouched.  in migrate_one_irq()
143 		 * (1) online and un-isolated CPU from default affinity  in migrate_one_irq()
153 			affinity = cpu_online_mask;  in migrate_one_irq()
156 		 * We are overriding the affinity with all online and  in migrate_one_irq()
158 		 * below notify this mask to PM QOS affinity listener.  in migrate_one_irq()
161 		 * level irqchip driver sets the affinity of an irq  in migrate_one_irq()
163 		 * prepared mask while overriding the user affinity.  in migrate_one_irq()
165 		affinity = cpumask_of(cpumask_any(affinity));  in migrate_one_irq()
167 		affinity = cpu_online_mask;  in migrate_one_irq()
173 	 * disables the masking of offline CPUs from the supplied affinity  in migrate_one_irq()
178 	err = irq_set_affinity_locked(d, affinity, false);  in migrate_one_irq()
180 	err = irq_do_set_affinity(d, affinity, false);  in migrate_one_irq()
183 		pr_warn_ratelimited("IRQ%u: set affinity failed(%d).\n",  in migrate_one_irq()
198  * If the affinity settings do not allow other CPUs, force them onto any
241 	const struct cpumask *affinity = irq_data_get_affinity_mask(data);  in irq_restore_affinity_of_irq()  local
244 	    !irq_data_get_irq_chip(data) || !cpumask_test_cpu(cpu, affinity))  in irq_restore_affinity_of_irq()
254 	 * CPU then it is already assigned to a CPU in the affinity  in irq_restore_affinity_of_irq()
260 		irq_set_affinity_locked(data, affinity, false);  in irq_restore_affinity_of_irq()
264  * irq_affinity_online_cpu - Restore affinity for managed interrupts