Lines Matching defs:affinity

19 /* For !GENERIC_IRQ_EFFECTIVE_AFF_MASK this looks at general affinity mask */
28 	 * which do not implement effective affinity, but the architecture has
29 	 * enabled the config switch. Use the general affinity mask instead.
45 		pr_warn("Eff. affinity %*pbl of IRQ %u contains only offline CPUs after offlining CPU %u\n",
58 	const struct cpumask *affinity;
64 	 * still in the radix tree. Also if the chip has no affinity setter,
100 	 * mask, so the last change of the affinity does not get lost. If
102 	 * any online CPU, use the current affinity mask.
105 		affinity = irq_desc_get_pending_mask(desc);
107 		affinity = irq_data_get_affinity_mask(d);
113 	if (!cpumask_intersects(affinity, cpu_online_mask)) {
116 		 * the affinity untouched.
123 		affinity = cpu_online_mask;
128 	 * disables the masking of offline CPUs from the supplied affinity
132 	err = irq_do_set_affinity(d, affinity, false);
135 	 * If there are online CPUs in the affinity mask, but they have no
137 	 * affinity by migrating to any online CPU.
139 	if (err == -ENOSPC && !irqd_affinity_is_managed(d) && affinity != cpu_online_mask) {
140 		pr_debug("IRQ%u: set affinity failed for %*pbl, re-try with online CPUs\n",
141 			 d->irq, cpumask_pr_args(affinity));
143 		affinity = cpu_online_mask;
146 		err = irq_do_set_affinity(d, affinity, false);
150 		pr_warn_ratelimited("IRQ%u: set affinity failed(%d).\n",
165  * If the affinity settings do not allow other CPUs, force them onto any
209 	const struct cpumask *affinity = irq_data_get_affinity_mask(data);
212 	    !irq_data_get_irq_chip(data) || !cpumask_test_cpu(cpu, affinity))
220 	 * CPU then it is already assigned to a CPU in the affinity
226 		irq_set_affinity_locked(data, affinity, false);
230  * irq_affinity_online_cpu - Restore affinity for managed interrupts