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Sun, 22 Jan 2023 21:51:20 -0800 (PST) Date: Sun, 22 Jan 2023 21:51:19 -0800 (PST) From: David Rientjes To: "Viacheslav A.Dubeyko" cc: lsf-pc@lists.linux-foundation.org, linux-cxl@vger.kernel.org, linux-mm@kvack.org, Dan Williams , Jonathan Cameron , Adam Manzanares , Duen-wen Hsiao , Johannes Weiner Subject: Re: [LSF/MM/BPF BoF] Session for CXL memory In-Reply-To: <38D49DA9-3C57-4951-8CBA-5D2BB0C40D9C@bytedance.com> Message-ID: References: <38D49DA9-3C57-4951-8CBA-5D2BB0C40D9C@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Rspamd-Queue-Id: BD335100008 X-Rspamd-Server: rspam09 X-Rspam-User: X-Stat-Signature: rr5sreg1ogzwft4d4cbrxb3muexfnbfz X-HE-Tag: 1674453082-864080 X-HE-Meta: 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 qTB7JF1Z X7Xu0CLqH1NgKT7EAxnz1Yei+3sLrdAdKjbAs74Xj2kQskijIumUni5djqg2Gps+vrsESCFIEOJLGN1+hiKV6RIPvV5nb/60VwDXaJc5lXuFkXje4FP8dAtghIkD1Y91qAFGIwmRsEGJbiAEWlQbohvG1XrJNG7trMEhv70aR8yV8C4ot0lH+4TWYJirHqf4WY/gLzdUleS5s0fqYRiY2+pedv/KxfGbyg5jqUnW1agahabD4ecLoUKGvVZSBB2V4DB4WqwE60V/s0EpMU/1ejgbXNp4rtFBDzZVUgveBf1iyV97RFEVxH+BlnIc5+c++B9v6kjv8RReiLqPWhNXESp5FmsoE9NCEnhhCsWL7Aoeslg8i2X5tiL+BzawJV6UazoiOQCPZohP9kN8YBAfCFEx7O6k/bvIRvDhQ 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: On Fri, 6 Jan 2023, Viacheslav A.Dubeyko wrote: > CC: LSF/MM/BPF mailing list. Sorry, missed the list. > > > On Jan 6, 2023, at 11:51 AM, Viacheslav A.Dubeyko wrote: > > > > Hello, > > > > I believe CXL memory is hot topic now. I believe we have multiple topics > > for discussion. I personally would like to discuss CXL Fabric Manager > > and vision of FM architecture implementation. I am going to share the topic > > in separate email. I would like to suggest a special session for CXL memory > > related topics. > > > > How everybody feels about it? > > I think this makes a lot of sense, thanks for suggesting it. Should this be a BoF or just a normal topic proposal? I assume that there could be several different topics of interest all related to CXL.mem. Specifically interesting would be the division of work between the kernel and userspace to manage memory placement on systems with locally attached CXL. And, further, what APIs userspace would have at its disposal for explicit optimization of this placement that would exist beyond what is available for NUMA. I assume we might also want to chat about CXL 2.0 extensions that would be useful, especially for cloud providers. I'd be happy to join in any of the proposals for these topics, just let me know!