+ /*
+ * In the case of multi-evt handling and sparse
+ * IRQ support, each vector still needs to have
+ * its own backing irq_desc.
+ */
+ irq_desc = irq_to_desc_alloc_node(irq2, numa_node_id());
+ if (unlikely(!irq_desc)) {
+ pr_info("can't get irq_desc for %d\n", irq2);
+ continue;
+ }
+