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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DE28C05027 for ; Mon, 23 Jan 2023 16:24:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AFE546B0078; Mon, 23 Jan 2023 11:24:08 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id AAED66B007B; Mon, 23 Jan 2023 11:24:08 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 94FBC6B007D; Mon, 23 Jan 2023 11:24:08 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 8330C6B0078 for ; Mon, 23 Jan 2023 11:24:08 -0500 (EST) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 27E671406B4 for ; Mon, 23 Jan 2023 16:24:08 +0000 (UTC) X-FDA: 80386585776.23.4617DBB Received: from dog.birch.relay.mailchannels.net (dog.birch.relay.mailchannels.net [23.83.209.48]) by imf11.hostedemail.com (Postfix) with ESMTP id 1615E40017 for ; Mon, 23 Jan 2023 16:24:03 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=stgolabs.net header.s=dreamhost header.b=aQa+DWxi; spf=pass (imf11.hostedemail.com: domain of dave@stgolabs.net designates 23.83.209.48 as permitted sender) smtp.mailfrom=dave@stgolabs.net; arc=pass ("mailchannels.net:s=arc-2022:i=1"); dmarc=none ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1674491045; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=6bJxkpSqRhgq1dwG0+DDS7aqfHGCC84JHwujNE2bIVU=; b=XLXZFAFD8fVbO0uRSY6fBgU4QvZhZG0tQXdxTcBhrYJ0T+Jm69ZfPDB0jjc9nznRWELT7k DV8+apeDqR8qKMOw2FqymaMlnHSSEHxDoGR1BQVcH2rQlKvmZ7GgPSSGfY0t7yYPb79bOa Vwew/O3joV6U7DjKtbZx4OCCj08ycnU= ARC-Authentication-Results: i=2; imf11.hostedemail.com; dkim=pass header.d=stgolabs.net header.s=dreamhost header.b=aQa+DWxi; spf=pass (imf11.hostedemail.com: domain of dave@stgolabs.net designates 23.83.209.48 as permitted sender) smtp.mailfrom=dave@stgolabs.net; arc=pass ("mailchannels.net:s=arc-2022:i=1"); dmarc=none ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1674491045; a=rsa-sha256; cv=pass; b=ZcB5y8yljzQk36ytgZmapMHorGQEBw53xi3Hm3TQzMH0trAMK1skG2HYuO1XCw8rLcsEW0 smk+aKDRbu3upV1Wzrrbyr2gM+JcdTEcX9c0OApwTmazIw+mJBuqsp2lyjd1rtaIBPvyYF jWTcX4q4Hk6g3IsLA1uD3pCY6+u0I/Q= X-Sender-Id: dreamhost|x-authsender|dave@stgolabs.net Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 6A0898C0C6A; Mon, 23 Jan 2023 16:24:02 +0000 (UTC) Received: from pdx1-sub0-mail-a311.dreamhost.com (unknown [127.0.0.6]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id B04198C113A; Mon, 23 Jan 2023 16:24:01 +0000 (UTC) ARC-Seal: i=1; s=arc-2022; d=mailchannels.net; t=1674491041; a=rsa-sha256; cv=none; b=CD+/CIhV1GPKuNib0ZSE6BEcJ9fNdYWcyJhyegPRnXMEoNbp/UkAUdGiIuiRnz2FFcYOeP LhT1XzmdtAO5aIuyW/DsxWz1euf6LXs46h7idMgQIxBQOqmI1zWZ9IifzkRUVvess3iv3G F0fWeFJExkRS5t7cR3v1XZwTizZkSbB+WeERdmA8qsXy4dz6/QF6U1ZHIntlXr3Is9Rbtm MvEkAadsdzv6CS3qRVvrfoNneZQX08oy43jET18BQglNfua42uPQT4kIduYY2PEE+Je+WW ozqX/7pQMu+gK5ibPE4cGf8UuVKzzdpRMhpMP/qVJ9WJFTG0LRNKG/56mhqCCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=mailchannels.net; s=arc-2022; t=1674491041; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references:dkim-signature; bh=6bJxkpSqRhgq1dwG0+DDS7aqfHGCC84JHwujNE2bIVU=; b=VpQaz6PMoY5V45jwjD+V58G+blqYp9drHEQGlRuaX6NNDW4pTP9+ztgyeLftWTKdfCFLCB 4cHxszbIsJiQF/xXa5RNovUhl64jUcEwE72jOEo6OEyQcx4DAGqUyenSzIRv6RJ8whNSo9 mqz8Au3ushVT3DGYACfJ9JX0JmFWK8o+2jzxbIJSNKnIwCDC9GsZ27XAoGO4iisMk2cGgX 7S1RP8KFlU5sbtVHJeYkgTYPfX8dVTxDA6hD/QomaBeZHo2zu1GJlHoluKXCzpg5nW+HzW UphaXl0AYEyN48Fx8nHo6hTsrdzqgvYucuZgs3Us91RRxeDxXDu1GJxw6tBHQQ== ARC-Authentication-Results: i=1; rspamd-6f569fcb69-rsl9k; auth=pass smtp.auth=dreamhost smtp.mailfrom=dave@stgolabs.net X-Sender-Id: dreamhost|x-authsender|dave@stgolabs.net X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|dave@stgolabs.net X-MailChannels-Auth-Id: dreamhost X-White-Arithmetic: 5b6279806130b8a8_1674491042201_3897566151 X-MC-Loop-Signature: 1674491042201:1215177179 X-MC-Ingress-Time: 1674491042201 Received: from pdx1-sub0-mail-a311.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384) by 100.109.196.205 (trex/6.7.1); Mon, 23 Jan 2023 16:24:02 +0000 Received: from offworld (ip72-199-50-187.sd.sd.cox.net [72.199.50.187]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dave@stgolabs.net) by pdx1-sub0-mail-a311.dreamhost.com (Postfix) with ESMTPSA id 4P0wQm5Stwz2j; Mon, 23 Jan 2023 08:24:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=stgolabs.net; s=dreamhost; t=1674491041; bh=6bJxkpSqRhgq1dwG0+DDS7aqfHGCC84JHwujNE2bIVU=; h=Date:From:To:Cc:Subject:Content-Type; b=aQa+DWxiYp2TMM3N+1PJ4aShWBCPPN0plt1mb9vDJgpshtNHIi8G67uxdnzduoOhs du8HSUa6GnqEw6v9bO4yaarSQHQBzPTKFOe55gwqmSv6DG/R4yi1TkS2bQYN6yUQQF 1cXoDSuHd4+zHw7qicFq4WVc1BSB04FI86gD0u8XaadoJC/crOtFtY+ozbIJggDyVQ 8ZIMZkaO35DNyzMt5pOxfEtawP+nsVmenW/2AR/iawSF37fCLzN2m3HuHOhi8lBgNT Uo7FroLvCoQA/ANxJynGpIXuKUne0gPDzIa2nGudEf6lSpAURhjGo6Qb+abvki+v3V SbZJZd1D9xDwA== Date: Mon, 23 Jan 2023 07:57:23 -0800 From: Davidlohr Bueso To: David Rientjes Cc: "Viacheslav A.Dubeyko" , 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 Message-ID: <20230123155723.g4ssh6denkav4tng@offworld> Mail-Followup-To: David Rientjes , "Viacheslav A.Dubeyko" , 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 References: <38D49DA9-3C57-4951-8CBA-5D2BB0C40D9C@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20220429 X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 1615E40017 X-Stat-Signature: dsznjckca4sy4yu61sbuwffwtr9dzdyr X-HE-Tag: 1674491043-376642 X-HE-Meta: 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 z1qjpJJQ LW0WkyMo6fEn1V1kncCUTJeFUvSljmLPOprIHrk3Yp/0bSpjfA83VeGW8HtbVEEWeBKMydgwwSYLto+qfii9Y9n49sEJCP2y5PhuduXUI5XzPxqDJXM1yT3cr6W6PbXwDiPnhKBRp5uZNu8HDrtXtiAdpnDFexANdKWSR7vNVXItYY7AGC35bOtcf9rvYt2FoKvvYcN+ERZCoQmFAp5PjYve7NNniYvg7rtvQf2VkV081NG1upKTtPEHLQZ3WU0E3ZX6S48yH/cFSIj+rTC24YDWg6ZsEJLYCGIA9+c8TF2oN3/JtDT9CsQB6Yz0dUtlEk8Xa8Gm9LbcMkEBS5E97616kL3xtwn1k/v0LMyRJ0wG+5yA+HLSzP2YyiA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000016, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sun, 22 Jan 2023, David Rientjes wrote: >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. Yeah, considering all the CXL interest in last year's lsfmm, I think it would be good to have a session. >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. fwiw last year there were 4-5 talks that directly touched on CXL (like half day). >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. +1 > >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! Likewise. Thanks, Davidlohr