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[71.191.243.150]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8d2a5392d35sm1601280185a.10.2026.04.08.14.56.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Apr 2026 14:56:12 -0700 (PDT) Date: Wed, 8 Apr 2026 17:56:10 -0400 From: Gregory Price To: Dan Williams Cc: lsf-pc@lists.linux-foundation.org, linux-cxl@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org Subject: Re: [LSF/MM/BPF TOPIC] What's brewing in CXL? Message-ID: References: <69d5bf0ab2210_2b3110036@djbw-dev.notmuch> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <69d5bf0ab2210_2b3110036@djbw-dev.notmuch> X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 1BE3E18000C X-Stat-Signature: asuofiwsuka9z49pkkqcie7ozq3zomty X-Rspam-User: X-HE-Tag: 1775685373-42138 X-HE-Meta: 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 ++3D4Tvl oQdWD8A8TvmOxDNpcGl9huqqdZEocN+Xtl+w7TbMf+DD8uYPV7UAzjbXKyOMTtIWLpRIcTx1+qVvIxFXIfRVceXBNcRDl5J0L9JPRY74rPro0N/BJK5rsXycJrp7RhClmSmQeg1hGsHJvB3CPenCroJ7ul39TbPHh5Qz9Z+vc4zu869Epuar1vnbV+HSZEkgwnVRO4kcmfBEb/0kGz0Lv1haZRafiMksaqylW23nhf8Hd39mqueNgt5T5DfnilIewEpL/bJtsqR2FID9VuWkMCJRL6Vyg+ev+zLfVffN3i4rxc+wLSV9HsId1qhGHYAeFupQSv5yBJwsPQFu5qjo34LX0adF4DDMyLSbf9D06IBRwKmKXqJ40eAP87Q2e4uWLLc02A7mIFfhnJ+KwVMB26rs+1UYDHp3elT+R+KbrNZ/Z4X4= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Apr 07, 2026 at 07:35:54PM -0700, Dan Williams wrote: > For the summit I offered to organize a discussion on what has been > happening in CXL since Plumbers and a summary of the monthly CXL calls > since. The session goal is present top challenges, address concerns / > questions from the room, and perhaps introduce the CXL topics that have > their own session later in the day. > > Please do comment, question, ack/nak, or add to the themes below to > highlight interest and help focus on the few topics we can cover in the > limited time. > ... snip ... > > "CXL, making MM problems worse since 2021..." -- CXL subsystem tagline Acked-By: Gregory Price ;P Obviously I have interest in this space, and the private nodes discussion is semi-orthogonal as I have been applying it to non-cxl use cases - but i do think the framing of it replacing some DAX patterns is a decent one. ~Gregory