From patchwork Sat May 28 23:36:32 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wang, Wei W" X-Patchwork-Id: 9139467 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1C7DA607DA for ; Sat, 28 May 2016 15:40:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0CB1B25D97 for ; Sat, 28 May 2016 15:40:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0152828159; Sat, 28 May 2016 15:40:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.0 required=2.0 tests=BAYES_00, DATE_IN_FUTURE_06_12, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B312E25D97 for ; Sat, 28 May 2016 15:40:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753021AbcE1Pkh (ORCPT ); Sat, 28 May 2016 11:40:37 -0400 Received: from mga09.intel.com ([134.134.136.24]:29126 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752899AbcE1Pke (ORCPT ); Sat, 28 May 2016 11:40:34 -0400 Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga102.jf.intel.com with ESMTP; 28 May 2016 08:40:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,379,1459839600"; d="scan'208";a="112100532" Received: from unknown (HELO otc18.sh.intel.com.com) ([10.239.48.138]) by fmsmga004.fm.intel.com with ESMTP; 28 May 2016 08:40:32 -0700 From: Wei Wang To: kvm@vger.kernel.org, qemu-devel@nongnu.org, virtio-comment@lists.oasis-open.org, virtio-dev@lists.oasis-open.org, mst@redhat.com, stefanha@redhat.com, pbonzini@redhat.com Cc: Wei Wang Subject: [PATCH 3/6] Vhost-pci RFC: Benefits to KVM Date: Sun, 29 May 2016 07:36:32 +0800 Message-Id: <1464478595-146533-4-git-send-email-wei.w.wang@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1464478595-146533-1-git-send-email-wei.w.wang@intel.com> References: <1464478595-146533-1-git-send-email-wei.w.wang@intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Wei Wang --- Benefits | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 Benefits diff --git a/Benefits b/Benefits new file mode 100644 index 0000000..7d10485 --- /dev/null +++ b/Benefits @@ -0,0 +1,8 @@ +The vhost-pci design provides KVM with a faster and more scalable inter-VM +communication mechanism. In NFV usages and today's virtualized datacenters, +where multiple VMs connect to a centralized vswitch to communicate, the more +the VMs connect to (or chained via) the vswitch, the lower the inter-VM +communication throughput will be. The vhost-pci design successfully resolves +this scalability issue and makes KVM a better hypervisor for NFV and +datacenters. +