Re: [PATCH 6/6] net: mvneta: Statically assign queues to CPUs

+static void mvneta_percpu_enable(void *arg)
+{
+	struct mvneta_port *pp = arg;
+
+	enable_percpu_irq(pp->dev->irq, IRQ_TYPE_NONE);
+}
+
 static int mvneta_open(struct net_device *dev)
 {
 	struct mvneta_port *pp = netdev_priv(dev);

@@ -2655,6 +2662,19 @@ static int mvneta_open(struct net_device *dev)
 		goto err_cleanup_txqs;
 	}
 
+	/*
+	 * Even though the documentation says that request_percpu_irq
+	 * doesn't enable the interrupts automatically, it actually
+	 * does so on the local CPU.
+	 *
+	 * Make sure it's disabled.
+	 */
+	disable_percpu_irq(pp->dev->irq);
+
+	/* Enable per-CPU interrupt on the one CPU we care about */
+	smp_call_function_single(rxq_def % num_online_cpus(),
+				 mvneta_percpu_enable, pp, true);