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Fri, 07 Apr 2023 15:24:00 -0700 (PDT) MIME-Version: 1.0 References: <5d1156eb-02ae-a6cc-54bb-db3df3ca0597@stancevic.com> In-Reply-To: <5d1156eb-02ae-a6cc-54bb-db3df3ca0597@stancevic.com> From: James Houghton Date: Fri, 7 Apr 2023 18:23:24 -0400 Message-ID: Subject: =?UTF-8?Q?Re=3A_=5BLSF=2FMM=2FBPF_TOPIC=5D_BoF_VM_live_migration_over_CX?= =?UTF-8?Q?L_memory=E2=80=8B?= To: Dragan Stancevic Cc: lsf-pc@lists.linux-foundation.org, nil-migration@lists.linux.dev, linux-cxl@vger.kernel.org, linux-mm@kvack.org, David Rientjes Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: CEC284000F X-Rspam-User: X-Stat-Signature: 6tbijs8zyzpsspkcjxuu8q3xrjbu1hxp X-HE-Tag: 1680906241-891950 X-HE-Meta: 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 MXsUSnWD e9D3d1D1CMdO4W9HBcn8CBXbeAOkLR7t9CsnkrdckqmxiKNz0S4q971TaOrnfNpDUyydprILne1HLlToKuMe0cTzSR1rPAG2g3+PRj9pjrmAtnL6rUSUjeLMocuVciEDmr0PpyRD+nI28yhE+uwgmiMnlrRTcw5HD+DPl32ZjAnIjUUGE0UkK8o5+kiyZ5ih+ehrRyMZpkq2esVXexaJLGDjIQ5pIj1Uy1WVtj7RyLRQn0/BvPZBQFjgeSNA5sCwgPrTYgd10fc+d/vWloK1By1hty6/LTU0rTWH89zOtAUyOBbVVFqZcn/P7FPH5RaIKkuq2NbyRmF2IZxm4JK3Fh1F1BKXo+PVlouuIcmmYAgu/ILW7GNb4RJwJ9B0epA40gZt+yBxzYLfbY7WrEklK6oAuTw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.004069, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Apr 7, 2023 at 5:05=E2=80=AFPM 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 loa= ds. > > 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. - James > > > [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 >