diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/fec.c | 8 | ||||
| -rw-r--r-- | drivers/net/virtio_net.c | 22 |
2 files changed, 23 insertions, 7 deletions
diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 0fbf1bbbaee9..d7a3ea88eddb 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -1253,7 +1253,7 @@ static void __inline__ fec_request_intrs(struct net_device *dev) /* Setup interrupt handlers. */ for (idp = id; idp->name; idp++) { - if (request_irq(idp->irq, idp->handler, 0, idp->name, dev) != 0) + if (request_irq(idp->irq, idp->handler, IRQF_DISABLED, idp->name, dev) != 0) printk("FEC: Could not allocate %s IRQ(%d)!\n", idp->name, idp->irq); } @@ -1382,7 +1382,7 @@ static void __inline__ fec_request_intrs(struct net_device *dev) /* Setup interrupt handlers. */ for (idp = id; idp->name; idp++) { - if (request_irq(b+idp->irq, fec_enet_interrupt, 0, idp->name, dev) != 0) + if (request_irq(b+idp->irq, fec_enet_interrupt, IRQF_DISABLED, idp->name, dev) != 0) printk("FEC: Could not allocate %s IRQ(%d)!\n", idp->name, b+idp->irq); } @@ -1553,7 +1553,7 @@ static void __inline__ fec_request_intrs(struct net_device *dev) /* Setup interrupt handlers. */ for (idp = id; idp->name; idp++) { - if (request_irq(b+idp->irq,fec_enet_interrupt,0,idp->name,dev)!=0) + if (request_irq(b+idp->irq, fec_enet_interrupt, IRQF_DISABLED, idp->name,dev) != 0) printk("FEC: Could not allocate %s IRQ(%d)!\n", idp->name, b+idp->irq); } @@ -1680,7 +1680,7 @@ static void __inline__ fec_request_intrs(struct net_device *dev) /* Setup interrupt handlers. */ for (idp = id; idp->name; idp++) { - if (request_irq(b+idp->irq,fec_enet_interrupt,0,idp->name,dev)!=0) + if (request_irq(b+idp->irq, fec_enet_interrupt, IRQF_DISABLED, idp->name,dev) != 0) printk("FEC: Could not allocate %s IRQ(%d)!\n", idp->name, b+idp->irq); } diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 19fd4cb0ddf8..b58472cf76f8 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -203,8 +203,11 @@ again: if (received < budget) { netif_rx_complete(vi->dev, napi); if (unlikely(!vi->rvq->vq_ops->enable_cb(vi->rvq)) - && netif_rx_reschedule(vi->dev, napi)) + && napi_schedule_prep(napi)) { + vi->rvq->vq_ops->disable_cb(vi->rvq); + __netif_rx_schedule(vi->dev, napi); goto again; + } } return received; @@ -278,10 +281,11 @@ again: pr_debug("%s: virtio not prepared to send\n", dev->name); netif_stop_queue(dev); - /* Activate callback for using skbs: if this fails it + /* Activate callback for using skbs: if this returns false it * means some were used in the meantime. */ if (unlikely(!vi->svq->vq_ops->enable_cb(vi->svq))) { - printk("Unlikely: restart svq failed\n"); + printk("Unlikely: restart svq race\n"); + vi->svq->vq_ops->disable_cb(vi->svq); netif_start_queue(dev); goto again; } @@ -294,6 +298,15 @@ again: return 0; } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void virtnet_netpoll(struct net_device *dev) +{ + struct virtnet_info *vi = netdev_priv(dev); + + napi_schedule(&vi->napi); +} +#endif + static int virtnet_open(struct net_device *dev) { struct virtnet_info *vi = netdev_priv(dev); @@ -336,6 +349,9 @@ static int virtnet_probe(struct virtio_device *vdev) dev->stop = virtnet_close; dev->hard_start_xmit = start_xmit; dev->features = NETIF_F_HIGHDMA; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = virtnet_netpoll; +#endif SET_NETDEV_DEV(dev, &vdev->dev); /* Do we support "hardware" checksums? */ |
