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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EE908C54791 for ; Thu, 22 Feb 2024 16:56:31 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rdCMm-0003xI-S3; Thu, 22 Feb 2024 11:56:12 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rdCMk-0003wz-Sd for qemu-devel@nongnu.org; Thu, 22 Feb 2024 11:56:11 -0500 Received: from mail-pf1-x42c.google.com ([2607:f8b0:4864:20::42c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rdCMj-0005O8-Ec for qemu-devel@nongnu.org; Thu, 22 Feb 2024 11:56:10 -0500 Received: by mail-pf1-x42c.google.com with SMTP id d2e1a72fcca58-6e46e07ff07so3020589b3a.3 for ; Thu, 22 Feb 2024 08:56:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1708620968; x=1709225768; darn=nongnu.org; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:date:from:from:to :cc:subject:date:message-id:reply-to; bh=YPbA6TpI1b5Y1eRi4qIE3WJTJORdzGj63jllScn37vE=; b=Mgr7C/3vkzN9rfNLAxeXrl7mOuVs13MEe7tp2MUjNZT8wpiyY0evpyivA4kWgKr1xV Xd7Cf+DbvnKlahGbxbuY092mZKAYXDqcPUBBWvRICkruFLmI0Fk/C7qUdm4lskk3ryR1 WwjNzk3OYXEPkdFqaF7zSIxpubKvLwFvi6p0Fp9SqZYQAu4DFVLZfIA3D4hs5+P6ZF7E ur/QZlzijw6We+oEJ472jpn3ukFBgTdxbEt5fCjIPW0/IOREqCXMsB4WPWeWOdn6eq2y W+LTiDJwSofoOIh07BZ1iOYFCY1aOXTaX40yeIj9kgbb3vO+1ijyJQ34QXejX3vSzD1/ 9y8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708620968; x=1709225768; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:date:from :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=YPbA6TpI1b5Y1eRi4qIE3WJTJORdzGj63jllScn37vE=; b=QqePpcEqN4YrgmJCF9ZfUHWe/fAm16BYwDe+/xlLckE9WXPsNzOd8r+lcVlapsQF9j gMd/dBY9hPu+ZLo0van1sreADtaatA+npP5Isvlg0yLhPf/TQ7+uR9XqqUQdx9TSKkvG 2/NukZ6pLMMcviN3tMty/rZUuGMwhzfXfG3nl9/oQZdpZmBbk6KIbHunkoPKFKXcIoaJ W9bGdjyPAi6tHxq7hsVs4uW2kGrKOUOTeRcvOpfCrfyRcwkVoThwNBaSs09jjkTj1yBJ Kv1/ZpIn1OPV2CjsaAbOXxPL+EKaIP5tUylucwrmEZaEHPI7IDF6I6jE7h4OuGy/RDTY 1nLA== X-Forwarded-Encrypted: i=1; AJvYcCWhoeF4H4DhMBzbONs5csTfIdMjGT4qcCxYEYmfnHnsy4N5HYtLr3ssW17QzJknFLLuKzX6DBAoSxsGogZrfaDyDCf3pkM= X-Gm-Message-State: AOJu0YwuZOa+7iOTWrzy7uPBfSIctO+hCnXdO1y0TffbQ2hTkYodG8rl UgkBXQgoyaTCBFWNqxBMRByd7ckPB1YCDzoAKtzayuHkJkG8d+WP X-Google-Smtp-Source: AGHT+IEv7YEBfHb3hssf0AOzxXGHxCT8otNmE4GpADhY5zDL7NEkPiFEJ5yzs7z4H0LKY7sMxrxNSg== X-Received: by 2002:a62:e10d:0:b0:6e2:9ff2:19b1 with SMTP id q13-20020a62e10d000000b006e29ff219b1mr13800579pfh.13.1708620967919; Thu, 22 Feb 2024 08:56:07 -0800 (PST) Received: from debian ([2601:641:300:14de:f32d:6b5:d03a:44f]) by smtp.gmail.com with ESMTPSA id a6-20020aa780c6000000b006e04ca18c2bsm11159868pfn.196.2024.02.22.08.56.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Feb 2024 08:56:07 -0800 (PST) From: fan X-Google-Original-From: fan Date: Thu, 22 Feb 2024 08:56:04 -0800 To: Wonjae Lee Cc: "nifan.cxl@gmail.com" , "qemu-devel@nongnu.org" , "jonathan.cameron@huawei.com" , "linux-cxl@vger.kernel.org" , "gregory.price@memverge.com" , "ira.weiny@intel.com" , "dan.j.williams@intel.com" , Adam Manzanares , "dave@stgolabs.net" , "nmtadam.samsung@gmail.com" , Jim Harris , Fan Ni Subject: Re: [PATCH v4 06/10] hw/mem/cxl_type3: Add host backend and address space handling for DC regions Message-ID: References: <20240221182020.1086096-7-nifan.cxl@gmail.com> <20240221182020.1086096-1-nifan.cxl@gmail.com> <20240222092252epcms2p389f3b87b6ee63cf6a0e95aaf8968970d@epcms2p3> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240222092252epcms2p389f3b87b6ee63cf6a0e95aaf8968970d@epcms2p3> Received-SPF: pass client-ip=2607:f8b0:4864:20::42c; envelope-from=nifan.cxl@gmail.com; helo=mail-pf1-x42c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, Feb 22, 2024 at 06:22:52PM +0900, Wonjae Lee wrote: > On Wed, Feb 21, 2024 at 10:15:59AM -0800, nifan.cxl@gmail.com wrote: > > From: Fan Ni > > > > Add (file/memory backed) host backend, all the dynamic capacity regions > > will share a single, large enough host backend. Set up address space for > > DC regions to support read/write operations to dynamic capacity for DCD. > > > > With the change, following supports are added: > > 1. Add a new property to type3 device "volatile-dc-memdev" to point to host > >    memory backend for dynamic capacity. Currently, all dc regions share one > >    one host backend. > > Hello, I know that it's too minor comment, but 'one' was used twice. Good catch. Thanks. Fan > > Thanks, > Wonjae