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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20BAEC76196 for ; Fri, 7 Apr 2023 23:17:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229457AbjDGXRs (ORCPT ); Fri, 7 Apr 2023 19:17:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229619AbjDGXRr (ORCPT ); Fri, 7 Apr 2023 19:17:47 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A18861A4 for ; Fri, 7 Apr 2023 16:17:46 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id d9443c01a7336-1a273b3b466so252385ad.1 for ; Fri, 07 Apr 2023 16:17:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1680909466; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:from:to:cc:subject:date:message-id:reply-to; bh=XRUtTEKX+n7UBbsK34WbxjxwX6QenHFH+gAQ+uuZMvs=; b=lKqMBgOn/2L7pcyqMHT2eybjOcP9+WrO4JGoXpODVzQKKq0cyHN5uqhxQIsCNm3yID FOLKOh2QsVt3+3Byg26XjfMkU9tPMDF0uJWsdTC10WQfOQhILFf6GHW7QdMi5EljxUKb Kc4WjKPeQP255du4grmjZ/WXgPChWt12y3Cr3spDVYtbcQQiEJbagDK0G8staZdQCX2v eVRHsKvJ/S236edTXf140NYVlnbE5yv2YRQpQbffAMGobWcC9i/1ZuLahdbvVAGBWGY0 8gYHBLYgXv4q5srmonNkBSEr6Xh45sDq1PoJQXKurPSaWR4kKcqBiiCJuEs6OZ8lZWTG FNWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680909466; h=mime-version:references:message-id:in-reply-to:subject:cc:to:from :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=XRUtTEKX+n7UBbsK34WbxjxwX6QenHFH+gAQ+uuZMvs=; b=eCHNsqFB+yIMm4DNq2mgb67iw1lqakrnipC5IwzHobwvxMsjkaZWTyyZABDF6jhLIS ddkuj5aFGRKqeqTps7y8esLhgptH/2eHDjOGwA6Pe4LGD6m+ACI+inyvZCBp+P7axAgM DVqB4B2ObdOuLdI0cp/eYavY61kPbTRYp1a2p8SolyV8woEKnjqt8tz0+I4AtCWTEEKx srXT87AfeVat5HapP6iYl8XwFPe5xETMw3UKRnOV4TQNPUSGclPiBYj9tSJ0Y3RvNxVW iXbM6FD5lAhZa5G71i4A47bzxq8W5HcOpt6v+0X09TUdQ9nlhSXChTPxSE3zE7142see HyjQ== X-Gm-Message-State: AAQBX9d0TWzPGVIPZ0eqg5I2wwwklWnAADeU3nRWw/iCK1WcVYa8sE4Q EVXU9l4O9727Yw2vBDTMWmdr5w== X-Google-Smtp-Source: AKy350ZpcbUrgvuGPFXz/OtUlAC2vJPwb2ngTOqGzeYD0kNEzBS+0fzA61GYdCXF3G7egyVrye5AEg== X-Received: by 2002:a17:903:50e:b0:1a1:e93c:8932 with SMTP id jn14-20020a170903050e00b001a1e93c8932mr31422plb.15.1680909465933; Fri, 07 Apr 2023 16:17:45 -0700 (PDT) Received: from [2620:0:1008:11:ca86:d1ff:e8ce:81ad] ([2620:0:1008:11:ca86:d1ff:e8ce:81ad]) by smtp.gmail.com with ESMTPSA id e18-20020aa78c52000000b0062a474cd46asm3514937pfd.137.2023.04.07.16.17.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Apr 2023 16:17:45 -0700 (PDT) Date: Fri, 7 Apr 2023 16:17:44 -0700 (PDT) From: David Rientjes To: James Houghton , Dragan Stancevic cc: lsf-pc@lists.linux-foundation.org, nil-migration@lists.linux.dev, linux-cxl@vger.kernel.org, linux-mm@kvack.org Subject: =?UTF-8?Q?Re=3A_=5BLSF=2FMM=2FBPF_TOPIC=5D_BoF_VM_live_migrat?= =?UTF-8?Q?ion_over_CXL_memory=E2=80=8B?= In-Reply-To: Message-ID: <8fada43c-8319-4d1a-9614-3ac3c76d59f3@google.com> References: <5d1156eb-02ae-a6cc-54bb-db3df3ca0597@stancevic.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="2003089352-936004858-1680909465=:3318474" Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --2003089352-936004858-1680909465=:3318474 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT On Fri, 7 Apr 2023, James Houghton wrote: > On Fri, Apr 7, 2023 at 5:05 PM Dragan Stancevic wrote: > > > > Hi folks- > > > > if it's not too late for the schedule... > > > > I am starting to tackle VM live migration and hypervisor clustering over > > switched CXL memory[1][2], intended for cloud virtualization types of loads. > > > > I'd be interested in doing a small BoF session with some slides and get > > into a discussion/brainstorming with other people that deal with VM/LM > > cloud loads. Among other things to discuss would be page migrations over > > switched CXL memory, shared in-memory ABI to allow VM hand-off between > > hypervisors, etc... > > > > A few of us discussed some of this under the ZONE_XMEM thread, but I > > figured it might be better to start a separate thread. > > > > If there is interested, thank you. > > Hi Dragan, > > Thanks for bringing up this topic. I'd be very interested to be part > of this BoF, as I'm also interested in using CXL.mem as a live > migration mechanism. > Thanks for cc'ing me, this would be very interesting to talk about. Count me in! > > [1]. High-level overview available at http://nil-migration.org/ > > [2]. Based on CXL spec 3.0 > > Dragan: I'm curious about the reference to CXL spec 3.0 here, is there something specific about 3.0 that this work depends on or should we be good-to-go with 2.0 as well? (Are you referring to 3.0 for security extensions?) --2003089352-936004858-1680909465=:3318474--