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a=rsa-sha256; c=relaxed/relaxed; d=stancevic.com; s=dreamhost; t=1681175322; bh=0Fw1B4D/BbvYDWg6xOFzwMOjAjs3bO3FcSRLomGS5Zc=; h=Date:Subject:To:Cc:From:Content-Type:Content-Transfer-Encoding; b=H7gDW/6lk4Lr1aPKrzYAY95rPvlBHBzDY81DFUZ0AC8k+5h4HIjziDxSo3/9Otfqa HC1YfCSNQfxjTQtENouC67a8flS0DqczefkMKb3vX9vU+7rHSJlKzg/mq4bgVcsEVx e7iIPlXcdZaoD4l40Tuq0WwcNK9n+Zfa/284WWoI2zJSHxJ4fcq558hs6hUSuWXEgQ Pg9+0xj5orjZNFkbIQCApfOyV7n0DJLEAUYU0pEc1kYrbIF5FhCKMmVmxjJqd/3/lC ZsiBt4KPTwAzCZHXCFFuXPn5Lxh0r/yuntvEEY6BU8GY82Fsm6qzMewVMuLw01UDoj hH0rsQKfQ0QcA== Message-ID: <2fb46081-b9d1-47af-b2e7-a0eb68797386@stancevic.com> Date: Mon, 10 Apr 2023 20:08:41 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: =?UTF-8?Q?Re=3a_=5bLSF/MM/BPF_TOPIC=5d_BoF_VM_live_migration_over_C?= =?UTF-8?B?WEwgbWVtb3J54oCL?= Content-Language: en-US To: Shreyas Shah , "lsf-pc@lists.linux-foundation.org" Cc: "nil-migration@lists.linux.dev" , "linux-cxl@vger.kernel.org" , "linux-mm@kvack.org" References: <5d1156eb-02ae-a6cc-54bb-db3df3ca0597@stancevic.com> From: Dragan Stancevic In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 70CA880025 X-Stat-Signature: prnyqsbcrqi8459nji59ttk8yxunjsus X-HE-Tag: 1681175325-291159 X-HE-Meta: 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 WXJiI9b5 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Shreyas- On 4/9/23 12:40, Shreyas Shah wrote: > Hi Dragon, > > The concept is great to time share the CXL attached memory across two NUMA nodes for live migration and create a cluster of VMs to increase the compute capacity. > > When and where is the BoF? It's a proposal sent under (CFP), it has not been accepted yet. The agenda is selected by the program committee based on interest. The current proposal is for LSF/MM/BPF summit[1] running May 8 - May 10th, but it's not happening if not approved by committee. [1]. https://events.linuxfoundation.org/lsfmm/ > > > Regards, > Shreyas > > > -----Original Message----- > From: Dragan Stancevic > Sent: Friday, April 7, 2023 2:06 PM > To: lsf-pc@lists.linux-foundation.org > Cc: nil-migration@lists.linux.dev; linux-cxl@vger.kernel.org; linux-mm@kvack.org > Subject: [LSF/MM/BPF TOPIC] BoF VM live migration over CXL memory​ > > 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. > > > [1]. High-level overview available at http://nil-migration.org/ [2]. Based on CXL spec 3.0 > > -- > Peace can only come as a natural consequence of universal enlightenment -Dr. Nikola Tesla -- -- Peace can only come as a natural consequence of universal enlightenment -Dr. Nikola Tesla