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 lists1p.gnu.org (lists1p.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 2E2FBCD8CB9 for ; Thu, 11 Jun 2026 07:48:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wXa91-0004iu-Ac; Thu, 11 Jun 2026 03:48:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wXa8z-0004iW-J4 for qemu-devel@nongnu.org; Thu, 11 Jun 2026 03:48:05 -0400 Received: from mail-eastus2azon11011064.outbound.protection.outlook.com ([52.101.57.64] helo=BN8PR05CU002.outbound.protection.outlook.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wXa8x-0000ao-Ro for qemu-devel@nongnu.org; Thu, 11 Jun 2026 03:48:05 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=BHMNEsyNXzLa4Sb6w2CFNym1HD9wsIOc60U1EMgtBzDB7pQDvFNtb0RRNdraLM4YUjVS2sulQedIftMPQVmz4l5WCllDHFkCX1XYZ085UJafNaEv25H+jKQORkgzoSk3bNN2aixoQo89ee2daHuLj8Js4yqAk3V9QVR3JtZbFMv8DPA7H2Esmp7ALysjJNGamHWXbEEZk3ylfd84/i4kNQLRlIh/5d+pjWTEJbUv3giYT3cI4wTmQG4Uc5LsSsB4aaHvYrHlz0HGLH0rTWKk4KUzuleFui9DNi6CMVENQDCrEBa8fQ557PVmceGutu78jCNx8IJL4QdeLJs40BRMBg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=xNLWfu3A3gh5vs2e1oLakyPVqWxd+bOgpGBYkzoDmTY=; b=n75yh2BiplU0pyFfAL/Dh5mQDVmK9LT+VGNSNK2wDkTI6r30A2oxtt02FED7A1BT/rieIOHbvjmeeylkfcAufXS7QHqch2cNKAOHdQAonCPm84jTsEhCbcuT9NKqxQhh//kmcfH4ninXJiSlCHayrY8mmdXkaQ6QNbsaJKmufTZ5pFmJdEMfe00RUNE+JFZFEVL+cnS1drXluRVWhFxIqmn2MEYehJxXNTPbd4LWjqWCn5bo2mlYMTbSRPU25HZvQc5ZT6hCQpI5kVsYFR0I2gBjwTTrtbdceDhMj+klc2gOYpaodE6g8gqTh91yyDH3x2ym4eEdF9/6LSBH+a1zRQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=xNLWfu3A3gh5vs2e1oLakyPVqWxd+bOgpGBYkzoDmTY=; b=UhoILzEMYzF36hNzO1vn8rPXXVupdL/30sPgpoCLy3IdHN/kMYrwjl5DB6e3x9vYXVJqBjzX5fwOiuhQ5Lv/2V1sIM24ZdHFKJAGbodAqmVOMwxinI9N4LqwLQ0+5J140G5fAI9InvGyCWYGr6bwlANxk30ycNU6qygGaAj83to= Received: from IA1P220CA0023.NAMP220.PROD.OUTLOOK.COM (2603:10b6:208:464::7) by DS0PR12MB9037.namprd12.prod.outlook.com (2603:10b6:8:f1::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.113.13; Thu, 11 Jun 2026 07:42:57 +0000 Received: from BL6PEPF00020E65.namprd04.prod.outlook.com (2603:10b6:208:464:cafe::42) by IA1P220CA0023.outlook.office365.com (2603:10b6:208:464::7) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.21.113.14 via Frontend Transport; Thu, 11 Jun 2026 07:42:57 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=satlexmb07.amd.com; pr=C Received: from satlexmb07.amd.com (165.204.84.17) by BL6PEPF00020E65.mail.protection.outlook.com (10.167.249.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.113.7 via Frontend Transport; Thu, 11 Jun 2026 07:42:57 +0000 Received: from satlexmb08.amd.com (10.181.42.217) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.41; Thu, 11 Jun 2026 02:42:56 -0500 Received: from [10.65.96.226] (10.180.168.240) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server id 15.2.2562.41 via Frontend Transport; Thu, 11 Jun 2026 02:42:55 -0500 Message-ID: Date: Thu, 11 Jun 2026 15:42:54 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v10 1/4] hw/mem: add sp-mem device for Specific Purpose Memory To: "David Hildenbrand (Arm)" , Igor Mammedov CC: , , , , References: <20260605104609.1739911-1-FangSheng.Huang@amd.com> <20260605104609.1739911-2-FangSheng.Huang@amd.com> <20260609110324.41b410c0@imammedo> From: "Huang, FangSheng (Jerry)" In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF00020E65:EE_|DS0PR12MB9037:EE_ X-MS-Office365-Filtering-Correlation-Id: 7edc3061-491c-4eda-dbfb-08dec78d0dea X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|82310400026|376014|1800799024|30052699003|36860700016|23010399003|18002099003|22082099003|56012099006|4143699003|11063799006; X-Microsoft-Antispam-Message-Info: pvu7TVqQyhPna/GED1Lyfatp1d6ETLq9C2rsoGi2zLF31qSPSqwvvCmvj7HKU1gnAZSizj4ihXFP8Az2qbZmzEiHJvlCF55zaPY1XxiXjmAZTrNt2elAn2Pgsp4wpnrTig+7Uoy1vdBh3g5uqmR6KePVfH8+sPUcPnnJdSgAnMjyZo0xzOMkHpN4UsGRsIW5kEOO2Q1Oy16QE41617qP7MSGnpCjx14W9VaiacGIiM9MJu+KyfTNqCUHCcDC+48c7kgNnLxzVPMB4ZmHxVdF1D73tRd6DWGPWmL2Ahs9K3hcHy888bLUGRE6TFIyzgfNk5HYLK7CuBSo2j4HNu8HU4mzc0mzypm98fxaM59OEYEG8EQ2a81jQiRXovcREzFZ6rVrJVa/+50lpAFwCV7nk96z6heTXIiaclpKYW1gfyN2uvMPGIvBKLZgwZdBWscH1ALHORWyXR3W56dYAdP0W0r1fKin8oWQQM7hlQcDLZeEJf+/NW5I8Ly4eI94pt0MvswZgsWNCkd1ldOEadR/sx4fhg8gPP3LrWSV5Gx+ljy473V1p5Opk1IJsKhvxW/mws327wgD/GXzCLNEV8uWo1jYOkdFhqgO5evC73Z/wF4Z6XdSyysGHVVq/6YX780PEhT8goafPz7iNovCSdSyHr17RtLgbz1Li0cWsImPlcfWKiC565S/7mRl7P1XRrKB9IyTz9PWWlgZXmAAP2v6DnRF7qhuowRZbwEcGNo++6w= X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:satlexmb07.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(82310400026)(376014)(1800799024)(30052699003)(36860700016)(23010399003)(18002099003)(22082099003)(56012099006)(4143699003)(11063799006); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 25HHyVFKOtbQPFKQvcY+AJTqc2yOb61mSfei6a67dtTnFJ8dbUITgMTuu7KWzpLZWpqNfv4H1kl4UXe0r+D/stjH2vrFm41xx1TWUcbYeKSEM3bcJYlnAm9zl1iLsPo9tKQeP6tLHIJ2o4YI01udhOPYTk7qL/fe1TPQPIrEe88WMUe2wvoIeKUugWu6eOS6o+FGHtbbj0Q2kDTeeQfUGm7LjawT/oYCGjNSbChNgekYnPQ0jDj1SA2Jn0AUlSd8todK8eg03/p2REwQsP7YRscJNH56A0+A9ZhDYt7ICfdJgxvOWy/NqscY7GWvu563oBPmyUmKtrEojWhVhn3E1HT7y3DIgk0Svu4BBJoTl5VDhIQkyqgOVHzDA5JXK6Xv0iFJSwe9dTmnYwBOeChEZ2sEG1BlRRS4JO6dCpjlrKIMNtT3uEsmVTT1QckJkibQ X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jun 2026 07:42:57.0641 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7edc3061-491c-4eda-dbfb-08dec78d0dea X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[satlexmb07.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF00020E65.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB9037 Received-SPF: permerror client-ip=52.101.57.64; envelope-from=FangSheng.Huang@amd.com; helo=BN8PR05CU002.outbound.protection.outlook.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.445, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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: qemu development 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 6/10/2026 6:09 PM, David Hildenbrand (Arm) wrote: > On 6/10/26 09:03, Huang, FangSheng (Jerry) wrote: >> >> >> On 6/9/2026 5:03 PM, Igor Mammedov wrote: >>> On Fri, 5 Jun 2026 18:46:06 +0800 >>> fanhuang wrote: >>> >>>> +            'memaddr': 'size', >>> >>> why not 'addr', like DIMM? >>> >> >> Will rename to 'addr' to match PCDIMMDeviceInfo. > > Note that we had to use "memaddr" for virtio-mem etc, because their proxy device > (e.g., virtio-mem-pci) already had "addr" taken for other purposes. > > I suspect we don't expect any proxy devices in the future? (similar to DIMMs) > Then, using "addr" is just fine. > Right, no proxy device expected for sp-mem -- it's instantiated directly, like pc-dimm. Keeping `addr`. Best regards, FangSheng Huang (Jerry)