static int assign_irq_vector_any_locked(struct irq_data *irqd)
{
+ /* Get the affinity mask - either irq_default_affinity or (user) set */
+ const struct cpumask *affmsk = irq_data_get_affinity_mask(irqd);
int node = irq_data_get_node(irqd);
- if (node != NUMA_NO_NODE) {
- if (!assign_vector_locked(irqd, cpumask_of_node(node)))
- return 0;
- }
+ if (node == NUMA_NO_NODE)
+ goto all;
+ /* Try the intersection of @affmsk and node mask */
+ cpumask_and(vector_searchmask, cpumask_of_node(node), affmsk);
+ if (!assign_vector_locked(irqd, vector_searchmask))
+ return 0;
+ /* Try the node mask */
+ if (!assign_vector_locked(irqd, cpumask_of_node(node)))
+ return 0;
+all:
+ /* Try the full affinity mask */
+ cpumask_and(vector_searchmask, affmsk, cpu_online_mask);
+ if (!assign_vector_locked(irqd, vector_searchmask))
+ return 0;
+ /* Try the full online mask */
return assign_vector_locked(irqd, cpu_online_mask);
}