From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (mail-bn8nam11on2040.outbound.protection.outlook.com [40.107.236.40]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 65CCB2620FC; Thu, 22 May 2025 16:12:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.236.40 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747930372; cv=fail; b=mUmRgGJ4ULaylGypGl6xwpt+TfWhw9Z5gLFkd1+aVl+Eq900l8U/WDI+sWCKFXc50Cs4N6gI1jhlunKQCuPS0GhRRqcIRsr0GcMAFsNYWQ4R/xqWIt0CXztAl54Dc3LxFhAxUG7VATFfmxyGHUtHjd03pSakhltHvuMWD/478Go= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747930372; c=relaxed/simple; bh=k37fC9w1umGm/elZS6lvfe+trmYsLtxxON6YvG6C3ow=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To: Content-Type:MIME-Version; b=SvFrC6ZpX0VBCYvnnx5mMIdBGcigDUgTUUEkJ+zexHCnLAgTdWh92OR/LaCgv11eKwTKbojJrKXPc2hgNRL8HOXr07AyIiHHI8AnzWbTxmIVYdmByk5638hQmMnJoU+6Drj+5e9t94fQ0SjXntX8KYIRx5WEPbiH6fAMlgmdpCE= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=W7oKgRZ8; arc=fail smtp.client-ip=40.107.236.40 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="W7oKgRZ8" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=x2qvhgeTKnV5MvqZGn+fzFdGpTKzPw+gbZR9CuodzpKABI0a6NSB4Uz5wxGmVD2uCK6oKzrqxgESjgdkboznQbbEh4xpLHR0gGKNBR6AiH6p+Y+FQPB91SgQ+2MNhXNVvq+Xwuqj2m1ZBPTegwAnfTznGskyPHZapGgLaslHqvRtsLh67D5yGqdStLjdJNBNFU3stqDhesRV2/mJuNB4lpLqSZO5JKba32riwupCTdbxTBIp4ZrllK7GvwroEmNkx8DurVBnGNZOlUjDr0IAPZZJWa5p0blEySvIiVnLhrooMFIl9689SPdqHB0qf0kd1UpwXpcEMCPeqD9xRLoDvQ== 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=1m7hbV6p5U7xf1BCR7RKyFbBpYMN9k6F+L5gvrDXkZk=; b=Z7xVmZAhQAQZsj/be5j5LuT1mGk8D4RweqrvpnWA08cfprdxwJHFKA5fKj9ZAL9SE+qa//gygKqJGbI0N1Rf4BuCduKvWOVUsQG/i3HC1YaCNS322Jzus6NXDm9tmac83qwhlafys5Yh4lUqhjVbnP9nyuXCaluIuW7bgPy1/Tgtzru2GbC81Yx3SBxlyyiSfTz0jbZ50VUn17ScGH2ypNBVTFdWSv9jvB9auTeI5BqLO/az9uvtB+DwhaI2knArhycWYblObGDMylGmCXcM9bXBpckBb6Ggx0+158gYzQnUfhxoehxdNA3ovZFzlMFCOeCJScM5j6FuJ7viKBg8iw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none 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=1m7hbV6p5U7xf1BCR7RKyFbBpYMN9k6F+L5gvrDXkZk=; b=W7oKgRZ80vs3ceWGQhRy9nOU2dt2pWJdEtBy1HYIHnWeDBMsFj9eQK/xznXUp2oCJLlg0WompxJ/8gpztiz/wD6o8+QNBte1wgPHT/jym8FoFA3K52u0M16YknvHiqHqsdYwXd22d4n4k8YA0A05+04eS4RE1leQ73FgdTd+vrE= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from CH0PR12MB5388.namprd12.prod.outlook.com (2603:10b6:610:d7::15) by CYXPR12MB9319.namprd12.prod.outlook.com (2603:10b6:930:e8::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8769.20; Thu, 22 May 2025 16:12:47 +0000 Received: from CH0PR12MB5388.namprd12.prod.outlook.com ([fe80::a363:f18a:cdd1:9607]) by CH0PR12MB5388.namprd12.prod.outlook.com ([fe80::a363:f18a:cdd1:9607%2]) with mapi id 15.20.8769.019; Thu, 22 May 2025 16:12:47 +0000 Message-ID: <6a0c12e2-08c4-4df1-b1f6-8db8b0029b5f@amd.com> Date: Thu, 22 May 2025 11:12:45 -0500 User-Agent: Mozilla Thunderbird Subject: [PATCH v4] EDAC/amd64: Fix size calculation for Non-Power-of-Two DIMMs To: Avadhut Naik Cc: bp@alien8.de, linux-kernel@vger.kernel.org, =?UTF-8?Q?=C5=BDilvinas_=C5=BDaltiena?= , Yazen Ghannam , linux-edac@vger.kernel.org References: <20250513192221.784445-1-avadhut.naik@amd.com> Content-Language: en-US From: "Naik, Avadhut" In-Reply-To: <20250513192221.784445-1-avadhut.naik@amd.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: PH8P221CA0031.NAMP221.PROD.OUTLOOK.COM (2603:10b6:510:346::7) To CH0PR12MB5388.namprd12.prod.outlook.com (2603:10b6:610:d7::15) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH0PR12MB5388:EE_|CYXPR12MB9319:EE_ X-MS-Office365-Filtering-Correlation-Id: 6de30d9a-31e8-4e0a-9fc1-08dd994b7de3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016; X-Microsoft-Antispam-Message-Info: =?utf-8?B?YnBvQUV6dFZNTmd5blRNV0pNTE5PN3ZiWGxBVEUxaXpKaERUU1JUSDBIbDVY?= =?utf-8?B?ak9ZdktMMmhYaUEyNDgwcWdKUWIvbUdxbnAyYnZiQndGUUUxREpmKzVBTlEv?= =?utf-8?B?Uk9QaHRvbzM4ZHU4dW01T0FKcDhuckJmbDVuempZcktoUWpwQ0VjRGVrSXVB?= =?utf-8?B?SmVwZUJlNzZKOGNhdFlQNFZWU2ExKzg0NXQ1MGVWYXoyU3cvQ3Q1MHROd09J?= =?utf-8?B?a0RzSnJjdkc1TjNoWmhsU01qZk54NDF3c2psSXpoWDZGeEVYdm5DNEFJYXEw?= =?utf-8?B?Q0ZtZHdjaHZqTjNUWkhCcG1yZ1BHeEpsRitFMDFoOUpnRzlON0M4cXNTUHVj?= =?utf-8?B?N1QrVDlXVUFXY1hmMHBIeFRZUUZSWlNBbERZOUI1cjFnNjdIOWx5bHVzb3hB?= =?utf-8?B?OU1BZituTkY4ckdtYzZqakJrb01VTzhwdEFHVnhMSEdHbnZJMjlWbDJrRGRD?= =?utf-8?B?NzZNSGN2Z0lKRHQxaTRKQWdpbkh0WnVnRVhhb3Z1QTdma3NaS0VmWmMzS0xp?= =?utf-8?B?czMwRzhZYzRVNE8zS0tmYmp4eHRLa29Gd0Q0VWhoZHk3OE1oODJ5V0x0Zi8v?= =?utf-8?B?WFB3VllDZng0UlhzbDJPbEhVUUsyOTQvWGI0eUhucHJaN2ozVjJTNFRTblJC?= =?utf-8?B?Q0NYbFo2YVlBSkZMMWxyc0grT1ZQb0Nqa1NGd013UHIvcmNjMWIvVnRIbnhM?= =?utf-8?B?Z1FOeHZUTnFnMWdhWTVZOUc3Z1lmbHRzcHJPSmNtZjZHdEt2Q21mRzdnSXNW?= =?utf-8?B?MGRwZUVZZ3QvU2Rka1AwMUpuQXJleGxuOXpzQlhlTW5XS0Z2bndhVVYyU0VU?= =?utf-8?B?NXJRUmtBb3gzUzlBRzdDSXpRYi9uWDlyTHdIQ2wxLzRsVDhyMDhBUnc1YWRL?= =?utf-8?B?SW9adXppTUQvNXNnWGNydElnSHlGSXU5ektsMjB3bWRybnZWbE1WbTVXTTUz?= =?utf-8?B?Z2xLcWRVQ2RiVEJHeDhVMFViWVAyQnR3NnVqU0tFdExVRlJxeXlnTUxzdGZp?= =?utf-8?B?aGFkT0FSTDRuSzF0RmsxSzlaKzBNaXNTNTU3VFVHWlZmMHBZVEgxWUxEdDlP?= =?utf-8?B?UFBEUkJ3U2tMYjBOaDZGRHNBT0VnUUQrVHU0bVN1dmZBZzFpQTgvVEVvU2hn?= =?utf-8?B?eWp3aGlMRURWRVVoTnNCVjVaMUFzNUswdU1PTjZqODB4R3dXR3JRaWJpZFR6?= =?utf-8?B?U3o3SlNUdURxMWNzYTJEbWRiT24yNlZMYndKUkcxNTBkMDZxeEF6N2FnNmtJ?= =?utf-8?B?Q01wcmhnK2J4MS8yWHpxZ1RzMVhZbHZVV1V3c0hKUEpUc2NJcXhyeHROVjZP?= =?utf-8?B?SUIzbDBFdmswTE1id3ZNM2VqV2twNWZXdU1Hc2g3VmM0N1RyTHN2dEZLc3Mx?= =?utf-8?B?YmRUb3FWZG9HVXlKR1c5VmJVanp6dU52N3NjWDg3WENJckM5RmN0VCszVXhX?= =?utf-8?B?c1RjTEkzQ0Y5L2R5cEM0YzFiSUtjK1M0VDdNOTJ6TTNqS2pILzk0cUd6UkRT?= =?utf-8?B?ZzAzcFZZSXNlYzNrNEYwVXV5R25TL21BSmZkemV5V29zenVjZnEzVHNmMmxW?= =?utf-8?B?VlFCempTQVFjSEdIM3pFRlBXMUZ2ZjJpZytOb3lHWFBKUzI3bFQwb3lIa1oy?= =?utf-8?B?VjhDYVpGR3ZnQjFSbHdhVXkvVWlwUzhINGZrdW9YU0VDbzFvd2xjaWZtRHJM?= =?utf-8?B?bkgwR3JGZTNvbThoYUNoc2tkRktQeG1WWFNza29UdFRVN0J5MG9MaFVGOE5C?= =?utf-8?B?MHJIUmpJVGhTT1VKTzV3QkVzV0p3TlkveUVsUmtndVpZYzUwZjVlMStpclhw?= =?utf-8?B?emRmbzMxUURtTlJORHpWcW84Q0dCZUw4N2RQcHBKUUhRdTcrWVdpRlJTZ3Mw?= =?utf-8?B?TWZUWHZ3QlJDQnVHc0tSRzQ0RkNRdUlhTzRQbGtGTXYzTm5HRTh1R3FEYjM5?= =?utf-8?Q?IAlCA8dEIiM=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CH0PR12MB5388.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(1800799024)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?WFhCZitxak5DejNQNUIrT2MwVVdGKzFEbUZFbTYxWEtkaFdVQkVXWUxpU2o2?= =?utf-8?B?dVZROGxSU1ExdzJGNGJ5Mzd3UVJBK085b2RndGYyRy9EVk5UcFQ2enBQOS9W?= =?utf-8?B?aDM2Y0JwS0RHNUhTRUhFQkNZZ0phek5kRTB0cGQ4YlArRWxPZ2tTUFF6ZHRu?= =?utf-8?B?RitVTFd3cG1kblBjNHBGclhJbFdKdUU5ekxyd0lsT2xjdytIZmNmaElvc2xy?= =?utf-8?B?azV1dlU4QTVzY3N1VHVSeGRRYTBXNGxYZWF5NXoyK0wrMFZzQjRjT2hKblAx?= =?utf-8?B?S0srblBNSllQaDVCbFFRYTJvVlo0aEpaY1lnSllRWTQ4ckZTYnVSalNSaU5Q?= =?utf-8?B?UDFCVkhlWWlWdjdrSzhTZ09mQ2h3VGpIMEVYMHB3VUIrUVl0cE1MSEF2WnVP?= =?utf-8?B?TXVpSnBQeGozeTNJVHdRSXFEVTI4MVhJdXBxMjRJQWVGMDVPb0Roc29MYU5Y?= =?utf-8?B?b2Nld002cHkrY0lsaktEYTQxdENSQjFqeGxvbXNJWE1CbFdZQjN2elc2dTJF?= =?utf-8?B?MU0weWFKL2lleWpUQ1QxSUhLRjRvQVZ3SzhZczY5WS9LQlBqM2QvWjVFSzB2?= =?utf-8?B?RnlaUHdpR3I3UERpbUNCb3kzRnVKUG9wYlluRlZTUWhMSDhUSUdkME1UaUJ3?= =?utf-8?B?Q2kzNXNuaVFGTTA4MDJzYTBiekNuS29ZS3dMVDV6dDFlRXdMMTNOTDByNXgv?= =?utf-8?B?UzZGaVhOdnJGaEJVaFJDSVBHeTNRYmxQUWtVL2VmWGlEbk12V013dFdNNWg4?= =?utf-8?B?RmlINWluTVFCeXRBazZoUnF3NGY5N3llUHM2R3BIYklYYklXZjM0WnFleVNk?= =?utf-8?B?dnVhdkloOVZ5YWdhZGR5M3E5N1QwWDJ6QWY5UWRRVjgzSkUrSFlvbUJoLyta?= =?utf-8?B?UzgvMDNQZzNqWExDa1VBTUVUMWZoUXpNd2pZYVBDZ1NxcERyM1NKMzdxaXFS?= =?utf-8?B?cUdveWVRMlpXSzNNYTZ5cWQ1KzBkQmU2aEh3R0pxNjRBWm1pdlN6bUhrYm5C?= =?utf-8?B?a2J5bjdORVQ2U3JoZlhraE1ZZ0JleGVzbUZJcjVMZUlwaTJzR3JqVFdkSXJ4?= =?utf-8?B?dGs4WmxzanVrT0NleG9MOVY1MThQdEZWQU9JV0dKVnpsbmhSZWFFV29vOTY0?= =?utf-8?B?WWtaRXNOdEhKUlk0dXgzcjk5UHVEN3ZJT3c1QndHbC9CSjNubDdPT0ZPWm8w?= =?utf-8?B?U2JvcWpFWGxuNDZ0a29qZVhCdE85YWNYSWx4VXBOY0Q5RkNtZkFaZ1N6Mkx0?= =?utf-8?B?SkRNSFhGVkI3aEFaR0JHc3ZFY1JUbjNxdTdzZkR0akJiZmg0dThBdXl0V3ZW?= =?utf-8?B?VVZleDd4MHVXaGZqL1h1OC9TZm9RSk9SN1RxNTNtbDdjcGVxZVRIS0hzZTVt?= =?utf-8?B?Q000Z1Eva3FjR1MyYmpLWWFOS1lIMnFjcVNjTzhsKzR3c2s0WEdtT0pibFhG?= =?utf-8?B?a0c2czZpdnZ0S2dnRmwxT3Zpd2RtMDN5OC9MdHh1S3pKRDVWVE55d3MxS2F5?= =?utf-8?B?cFhPcXA1MWNmWjZIWmQ4NjVQTjBDV3BGZFNyL01PNnJxa0pMMWFIaEs5NVNP?= =?utf-8?B?cXpJOEhQaUowK3E5ZVdQWnJJSDlHSkJReUZEMnpiMS9oVTExNk1uazROV09O?= =?utf-8?B?V3lYZjg2UFUxNWRrd3l6RFNlY3J4SDBlV1pyVk5EMXd6bHpmWDB5ZXZnSEQ0?= =?utf-8?B?bEYweFBadFEyZGpldWhEanFYQ1NhdG1Sbm5tcmU0bGpkZGtWNUdXRDZNK1FW?= =?utf-8?B?ZnNkby94bmI3U1hVWk5ua3pPcW96RUJNUFp1ZDBmRmxLMXhSczNLKzJXb0xz?= =?utf-8?B?ZEhqZ2l4N2hVUUZkRDFBOEVmUTV5c2dLd3BaNFBmUnY3bVBnY2ZXNXBMY01L?= =?utf-8?B?MStVeThPSFFueER6Q2RQYXg4SWdyNnl3NmdWdGIrWUc3b1FCYVI2WVI5MHlP?= =?utf-8?B?K2E5aUZmVlFYaHJXUDBiTnArOWFzQjVWcHl2YTdjNFE4Ty94WW1ZWkNUOUtL?= =?utf-8?B?RXZ4bndrSG1xWk1JQVJOZ2VtVVBSMjIzbzhmcnZYT3ZjVmFFS1paNmNkeVdV?= =?utf-8?B?UzJvL0NRRldtYXh4cm5XMU9vckUrVkRnbERnU0pTMW9vSGtpTnRDUWtoaFkr?= =?utf-8?Q?OuNMqFbOrox+5Y5S7+qO7DaB9?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6de30d9a-31e8-4e0a-9fc1-08dd994b7de3 X-MS-Exchange-CrossTenant-AuthSource: CH0PR12MB5388.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 May 2025 16:12:47.4832 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: dqGTgado5OMW1TIK1Tye/7laS6Pyb5dOvOn58GAIV8Kirmq/7tsxM5JRfMEz/0DuzXbZdGW5YeH7RGnWnYPiBA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYXPR12MB9319 Hi, Any further feedback on this patch? -- Thanks, Avadhut Naik On 5/13/2025 14:20, Avadhut Naik wrote: > Each Chip-Select (CS) of a Unified Memory Controller (UMC) on AMD's > modern Zen-based SOCs has an Address Mask and a Secondary Address Mask > register associated with it. The amd64_edac module logs DIMM sizes on a > per-UMC per-CS granularity during init using these two registers. >