From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: virtio-dev-return-4541-cohuck=redhat.com@lists.oasis-open.org Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [66.179.20.138]) by lists.oasis-open.org (Postfix) with ESMTP id E71C61CB807B for ; Tue, 26 Jun 2018 08:08:19 -0700 (PDT) Date: Tue, 26 Jun 2018 17:08:13 +0200 From: Cornelia Huck Message-ID: <20180626170813.4db094a1.cohuck@redhat.com> In-Reply-To: References: <20180620170904-mutt-send-email-mst@kernel.org> <20180620180619.6b4ee52d.cohuck@redhat.com> <20180620224535-mutt-send-email-mst@kernel.org> <20180621165913.7e3f4faa.cohuck@redhat.com> <20180621211712-mutt-send-email-mst@kernel.org> <20180622170955.298900c1.cohuck@redhat.com> <20180622214259-mutt-send-email-mst@kernel.org> <20180623003022-mutt-send-email-mst@kernel.org> <20180623012934-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [virtio-dev] Re: [Qemu-devel] [PATCH] qemu: Introduce VIRTIO_NET_F_STANDBY feature bit to virtio_net To: Siwei Liu Cc: "Michael S. Tsirkin" , "Samudrala, Sridhar" , Alexander Duyck , virtio-dev@lists.oasis-open.org, aaron.f.brown@intel.com, Jiri Pirko , Jakub Kicinski , Netdev , qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org, konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, Joao Martins , Venu Busireddy , vijay.balakrishna@oracle.com List-ID: On Fri, 22 Jun 2018 17:05:04 -0700 Siwei Liu wrote: > On Fri, Jun 22, 2018 at 3:33 PM, Michael S. Tsirkin wrote: > > I suspect the diveregence will be lost on most users though > > simply because they don't even care about vfio. They just > > want things to go fast. > > Like Jason said, VF isn't faster than virtio-net in all cases. It > depends on the workload and performance metrics: throughput, latency, > or packet per second. So, will it be guest/admin-controllable then where the traffic flows through? Just because we do have a vf available after negotiation of the feature bit, it does not necessarily mean we want to use it? Do we (the guest) even want to make it visible in that case? --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org