From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD253C433DF for ; Thu, 11 Jun 2020 15:22:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A2405206C3 for ; Thu, 11 Jun 2020 15:22:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="qQeRu8d9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728586AbgFKPWW (ORCPT ); Thu, 11 Jun 2020 11:22:22 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:35018 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728365AbgFKPWV (ORCPT ); Thu, 11 Jun 2020 11:22:21 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 05BFGwIx189025; Thu, 11 Jun 2020 15:22:15 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2020-01-29; bh=F+errMLdvgi4MHt8jCQq09ZX5AvpbDZ+cZ9ta5vO2pQ=; b=qQeRu8d9AseQvkn6mmiWlD6UFRviqGajGZpCB4mNg4zU8Yg0+3HgGizUcCZRBNQD4DS8 p8w8LmzJdXtq6u9UUWQQYHcXXXLHhk8hqI9y6gLjjt8hqxWlT0eGEYhx71kgkHGu6wII bzUaU3VJ/Zh88Dkzg0+Nn5YMEyucRur96i524mcIawwORJ176PEbMaSMhH8MT+UtASSt WX6ptbjkL6WVwZeKOa4VK/oUtoUJepBkRu7UI7wTNDdi8K0ggQHHm4KlzwwrpnIczYGU 9GBJOstKJZoXKJGRhdwAANFY7GseOg93bG+y9h6L28r1oXrVE0GU07nBVApJRaQcR5Cj 8Q== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2120.oracle.com with ESMTP id 31g3sn8cv9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 11 Jun 2020 15:22:15 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 05BFIXc3033187; Thu, 11 Jun 2020 15:22:14 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3020.oracle.com with ESMTP id 31gmwvhfn3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 11 Jun 2020 15:22:14 +0000 Received: from abhmp0019.oracle.com (abhmp0019.oracle.com [141.146.116.25]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 05BFMDHj017504; Thu, 11 Jun 2020 15:22:13 GMT Received: from char.us.oracle.com (/10.152.32.25) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 11 Jun 2020 08:22:13 -0700 Received: by char.us.oracle.com (Postfix, from userid 1000) id EBBF46A0100; Thu, 11 Jun 2020 11:22:57 -0400 (EDT) Date: Thu, 11 Jun 2020 11:22:57 -0400 From: Konrad Rzeszutek Wilk To: "Michael S. Tsirkin" Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, Jason Wang , eperezma@redhat.com Subject: Re: [PATCH RFC v8 02/11] vhost: use batched get_vq_desc version Message-ID: <20200611152257.GA1798@char.us.oracle.com> References: <20200611113404.17810-1-mst@redhat.com> <20200611113404.17810-3-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200611113404.17810-3-mst@redhat.com> User-Agent: Mutt/1.9.1 (2017-09-22) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9649 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 spamscore=0 adultscore=0 mlxscore=0 mlxlogscore=944 bulkscore=0 malwarescore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006110121 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9649 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 impostorscore=0 cotscore=-2147483648 suspectscore=0 spamscore=0 bulkscore=0 malwarescore=0 phishscore=0 mlxscore=0 mlxlogscore=995 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006110121 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Jun 11, 2020 at 07:34:19AM -0400, Michael S. Tsirkin wrote: > As testing shows no performance change, switch to that now. What kind of testing? 100GiB? Low latency?