From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: [PATCH] virtio_net: enable napi after enabling new queues Date: Wed, 22 May 2013 13:22:29 +0800 Message-ID: <1369200149-11280-1-git-send-email-jasowang@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Sasha Levin , virtualization@lists.linux-foundation.org To: rusty@rustcorp.com.au, mst@redhat.com Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Id: netdev.vger.kernel.org Commit 55257d72bd1c51f25106350f4983ec19f62ed1fa (virtio-net: fill only rx queues which are being used) forgets to enable napi for new enabled queues which breaks the multiqueue receiving. This patch fixes it. Cc: Sasha Levin Signed-off-by: Jason Wang --- drivers/net/virtio_net.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 2d6abac..9b2f59f 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -914,9 +914,11 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs) queue_pairs); return -EINVAL; } else { - for (i = vi->curr_queue_pairs; i < queue_pairs; i++) + for (i = vi->curr_queue_pairs; i < queue_pairs; i++) { if (!try_fill_recv(&vi->rq[i], GFP_KERNEL)) schedule_delayed_work(&vi->refill, 0); + virtnet_napi_enable(&vi->rq[i]); + } vi->curr_queue_pairs = queue_pairs; } -- 1.7.1