From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next 0/9] TX used ring batched updating for vhost Date: Sun, 22 Jul 2018 09:44:12 -0700 (PDT) Message-ID: <20180722.094412.532906090262121741.davem@davemloft.net> References: <1532045721-4958-1-git-send-email-jasowang@redhat.com> <20180722173622-mutt-send-email-mst@kernel.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: jasowang@redhat.com, netdev@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-kernel@vger.kernel.org To: mst@redhat.com Return-path: In-Reply-To: <20180722173622-mutt-send-email-mst@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: "Michael S. Tsirkin" Date: Sun, 22 Jul 2018 17:37:05 +0300 > On Fri, Jul 20, 2018 at 08:15:12AM +0800, Jason Wang wrote: >> Hi: >> >> This series implement batch updating of used ring for TX. This help to >> reduce the cache contention on used ring. The idea is first split >> datacopy path from zerocopy, and do only batching for datacopy. This >> is because zercopy had already supported its own batching. >> >> TX PPS was increased 25.8% and Netperf TCP does not show obvious >> differences. >> >> The split of datapath will also be helpful for future implementation >> like in order completion. >> >> Please review. >> >> Thanks > > Acked-by: Michael S. Tsirkin > > I'm very happy with the split, the mixed data path became hard to > maintain. Thanks for reviewing. Series applied, thanks everyone.