Amit Shah
2008-Feb-29 10:54 UTC
[PATCH] VIRTIO NET: Enable netpoll interface for netconsole logging
Add a new poll_controller handler that the netpoll interface needs. This enables netconsole logging from a kvm guest over the virtio net interface. Signed-off-by: Amit Shah <amitshah at gmx.net> --- drivers/net/virtio_net.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index fdc2367..3f3d334 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -294,6 +294,15 @@ 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 +345,9 @@ 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? */ -- 1.5.2.5 -- Amit Shah http://www.amitshah.net/
Rusty Russell
2008-Mar-03 04:08 UTC
[PATCH] VIRTIO NET: Enable netpoll interface for netconsole logging
On Friday 29 February 2008 21:54:50 Amit Shah wrote:> Add a new poll_controller handler that the netpoll interface needs. > > This enables netconsole logging from a kvm guest over the virtio > net interface. > > Signed-off-by: Amit Shah <amitshah at gmx.net>Wow, does this actually work? If so, I'll apply it no problems... Rusty.
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