From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-next PATCH v5 0/6] XDP for virtio_net Date: Thu, 08 Dec 2016 17:16:02 -0500 (EST) Message-ID: <20161208.171602.544798927904408724.davem@davemloft.net> References: <20161208.141702.1346950420275854265.davem@davemloft.net> <20161208193814.GA1954@ast-mbp.thefacebook.com> <5849C68F.7080707@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: alexei.starovoitov@gmail.com, daniel@iogearbox.net, mst@redhat.com, shm@cumulusnetworks.com, tgraf@suug.ch, john.r.fastabend@intel.com, netdev@vger.kernel.org, brouer@redhat.com To: john.fastabend@gmail.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:44100 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932427AbcLHWQF (ORCPT ); Thu, 8 Dec 2016 17:16:05 -0500 In-Reply-To: <5849C68F.7080707@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: John Fastabend Date: Thu, 8 Dec 2016 12:46:07 -0800 > On 16-12-08 11:38 AM, Alexei Starovoitov wrote: >> On Thu, Dec 08, 2016 at 02:17:02PM -0500, David Miller wrote: >>> From: John Fastabend >>> Date: Wed, 07 Dec 2016 12:10:47 -0800 >>> >>>> This implements virtio_net for the mergeable buffers and big_packet >>>> modes. I tested this with vhost_net running on qemu and did not see >>>> any issues. For testing num_buf > 1 I added a hack to vhost driver >>>> to only but 100 bytes per buffer. >>> ... >>> >>> So where are we with this? > > There is one possible issue with a hang that Michael pointed out. I can > either spin a v6 or if you pull this v5 series in I can post a bugfix > for it. I am not seeing the issue in practice XDP virtio has been up > and running on my box here for days without issue. If that's the case then please spin a v6 and I'll apply it.