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=-7.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_SANE_1 autolearn=ham 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 A6DABC4D2EE for ; Fri, 13 Dec 2019 20:41:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA14C24712 for ; Fri, 13 Dec 2019 20:41:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="F18byeuD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729025AbfLMUP3 (ORCPT ); Fri, 13 Dec 2019 15:15:29 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:35130 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728932AbfLMUP1 (ORCPT ); Fri, 13 Dec 2019 15:15:27 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xBDK4M8Q052848; Fri, 13 Dec 2019 20:12:44 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=mime-version : message-id : date : from : to : cc : subject : references : in-reply-to : content-type : content-transfer-encoding; s=corp-2019-08-05; bh=TNwH//sjjP0dpv5Zb5O45GTAWkGy6Jy5zU0tVrwrNCk=; b=F18byeuDDoK0Av2CaxjNbhA3ASHKdzGPKTrw1Vj38TDKmGbt+zU0oUBsHTNbpSFehz1y ixBJKQxe4cCqNO4nBstjiYhn2mwrSCmx3N3F0YSBT6QLbNiDtmk11Zn3YQCQwm/4jz8R 3dVm+2zCKKo1Knzoo4FobVtE+pg8hbHZHTooEn+agcJWprLwCgKGZJKflJOrNFAySygJ 0gc+gl7iPZR0Gt+F17IpCWzh8ZQ4CiJYNuBi4T6AkAxYg0HuN4uZ0oyTUT3338j6a8A3 OG8xLXoOjiv90V3ATGB+5vn0rc8aSra6d++fisKNUG+03h3bNn6ycMRTxrd+Mt3dXw4M Wg== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2120.oracle.com with ESMTP id 2wr4qs32ff-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 13 Dec 2019 20:12:44 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xBDK9OAE010187; Fri, 13 Dec 2019 20:12:43 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3020.oracle.com with ESMTP id 2wvdwqnq06-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 13 Dec 2019 20:12:43 +0000 Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id xBDKCUlG030058; Fri, 13 Dec 2019 20:12:30 GMT Received: from char.us.oracle.com (/10.152.32.25) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 13 Dec 2019 12:12:29 -0800 Received: by char.us.oracle.com (Postfix, from userid 1000) id 7E0D56A00F0; Fri, 13 Dec 2019 15:15:56 -0500 (EST) USER-AGENT: Mutt/1.9.1 (2017-09-22) MIME-Version: 1.0 Message-ID: <20191213201556.GC26990@char.us.oracle.com> Date: Fri, 13 Dec 2019 12:15:56 -0800 (PST) From: Konrad Rzeszutek Wilk To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, virtio-dev@lists.oasis-open.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, Michal Hocko , Andrew Morton , "Michael S . Tsirkin" , Sebastien Boeuf , Samuel Ortiz , Robert Bradford , Luiz Capitulino , Alexander Duyck , Alexander Potapenko , Alexander Viro , Anshuman Khandual , Anthony Yznaga , Dan Williams , Dave Young , Igor Mammedov , Jason Wang , Johannes Weiner , Juergen Gross , Len Brown , Mel Gorman , Michal Hocko , Mike Rapoport , Oscar Salvador , Oscar Salvador , Pavel Tatashin , Pavel Tatashin , Pingfan Liu , Qian Cai , "Rafael J. Wysocki" , Stefan Hajnoczi , Vlastimil Babka , Wei Yang Subject: Re: [PATCH RFC v4 00/13] virtio-mem: paravirtualized memory References: <20191212171137.13872-1-david@redhat.com> In-Reply-To: <20191212171137.13872-1-david@redhat.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9470 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-1912130147 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9470 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-1912130147 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 12, 2019 at 06:11:24PM +0100, David Hildenbrand wrote: > This series is based on latest linux-next. The patches are located at: > https://github.com/davidhildenbrand/linux.git virtio-mem-rfc-v4 Heya! Would there be by any chance a virtio-spec git tree somewhere? ..snip.. > -------------------------------------------------------------------------- > 5. Future work > -------------------------------------------------------------------------- > > The separate patches contain a lot of future work items. One of the next > steps is to make memory unplug more likely to succeed - currently, there > are no guarantees on how much memory can get unplugged again. I have Or perhaps tell the caller why we can't and let them sort it out? For example: "Application XYZ is mlocked. Can't offload'. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH RFC v4 00/13] virtio-mem: paravirtualized memory Date: Fri, 13 Dec 2019 12:15:56 -0800 (PST) Message-ID: <20191213201556.GC26990@char.us.oracle.com> References: <20191212171137.13872-1-david@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191212171137.13872-1-david@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" To: David Hildenbrand Cc: Oscar Salvador , Michal Hocko , Robert Bradford , "Michael S . Tsirkin" , "Rafael J. Wysocki" , Pingfan Liu , Luiz Capitulino , linux-mm@kvack.org, Alexander Potapenko , Alexander Duyck , virtio-dev@lists.oasis-open.org, kvm@vger.kernel.org, Mike Rapoport , Wei Yang , Anthony Yznaga , Dave Young , Len Brown , Pavel Tatashin , Pavel Tatashin , Anshuman Khandual , Qian Cai , Alexander Viro , Stefan Hajnoczi , Samuel Ortiz List-Id: virtualization@lists.linuxfoundation.org On Thu, Dec 12, 2019 at 06:11:24PM +0100, David Hildenbrand wrote: > This series is based on latest linux-next. The patches are located at: > https://github.com/davidhildenbrand/linux.git virtio-mem-rfc-v4 Heya! Would there be by any chance a virtio-spec git tree somewhere? ..snip.. > -------------------------------------------------------------------------- > 5. Future work > -------------------------------------------------------------------------- > > The separate patches contain a lot of future work items. One of the next > steps is to make memory unplug more likely to succeed - currently, there > are no guarantees on how much memory can get unplugged again. I have Or perhaps tell the caller why we can't and let them sort it out? For example: "Application XYZ is mlocked. Can't offload'.