From patchwork Fri Jun 8 10:39:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Coquelin X-Patchwork-Id: 40818 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 693D95F13; Fri, 8 Jun 2018 12:39:43 +0200 (CEST) Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by dpdk.org (Postfix) with ESMTP id E48042C16 for ; Fri, 8 Jun 2018 12:39:41 +0200 (CEST) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1A7118082559; Fri, 8 Jun 2018 10:39:41 +0000 (UTC) Received: from localhost.localdomain (ovpn-112-47.ams2.redhat.com [10.36.112.47]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4C5A010F1C03; Fri, 8 Jun 2018 10:39:37 +0000 (UTC) From: Maxime Coquelin To: zhihong.wang@intel.com, tiwei.bie@intel.com, dev@dpdk.org Cc: Maxime Coquelin Date: Fri, 8 Jun 2018 12:39:06 +0200 Message-Id: <20180608103913.11517-1-maxime.coquelin@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 08 Jun 2018 10:39:41 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.8]); Fri, 08 Jun 2018 10:39:41 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'maxime.coquelin@redhat.com' RCPT:'' Subject: [dpdk-dev] [PATCH 0/7] vhost: generalize buffer vectors X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This series is again preliminray work to ease packed ring layout integration. Main changes are using vector buffres also in the dequeue path, and perform IOVA to HVA translation at vectors fill time. I still have to run more benchmarks, but PVP benchmarks does not show performance changes. Good thing is that it saves ~140 further lines. Maxime Coquelin (7): vhost: use shadow used ring in dequeue path vhost: make gpa to hpa failure an error vhost: use buffer vectors in dequeue path vhost: translate iovas at vectors fill time vhost: improve prefetching in dequeue path vhost: prefetch first descriptor in dequeue path vhost: improve prefetching in enqueue path lib/librte_vhost/vhost.h | 1 + lib/librte_vhost/virtio_net.c | 522 ++++++++++++++++-------------------------- 2 files changed, 192 insertions(+), 331 deletions(-)