From: "Michael S. Tsirkin" <mst@xxxxxxxxxx> Date: Sun, 15 Apr 2012 10:12:23 +0300 > On Thu, Apr 12, 2012 at 02:43:52PM +0800, Jason Wang wrote: >> As hypervior does not have the knowledge of guest network configuration, it's >> better to ask guest to send gratuitous packets when needed. >> >> This patch implements VIRTIO_NET_F_GUEST_ANNOUNCE feature: hypervisor would >> notice the guest when it thinks it's time for guest to announce the link >> presnece. Guest tests VIRTIO_NET_S_ANNOUNCE bit during config change interrupt >> and woule send gratuitous packets through netif_notify_peers() and ack the >> notification through ctrl vq. >> >> We need to make sure the atomicy of read and ack in guest otherwise we may ack >> more times than being notified. This is done through handling the whole config >> change interrupt in an non-reentrant workqueue. >> >> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx> > > Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx> Applied, thanks everyone. _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
