From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from DM1PR04CU001.outbound.protection.outlook.com (mail-centralusazon11010005.outbound.protection.outlook.com [52.101.61.5]) (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 275633C062A for ; Thu, 12 Mar 2026 10:09:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.61.5 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773310193; cv=fail; b=SbT3OcC12Hx8eKHfE9LjbZmRqz/Ox70DOAlmD9/O8y64WQoUHiLKv/xsDn/MDvYYS8WXLv6ulxzKwCYXsJ07nJG89fbSamykYITA+UEnKyCK3o7Bkllm5ZteET7/YOTUzEo5wKeh90GzdNMB7U/VEsh7w5OpQuz3WDVgFEs+Bo4= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773310193; c=relaxed/simple; bh=ifiUR9hHgQh66ty5uzuy0RX6VFSNvRxkREiKYZaFIgE=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=DM7hG2GBF4IMqFhBf2RPUSV9ZTxZvu9ZPpuVX9RCtD5+PqD3faCM4GdiIM/vcf0d/l8JA+/iSrq93mhsf+TsyiG6/Up4rj2PvkJ9ENhglhupniJbercLAP0LBOW2S/MvVKzRkrqI3Z6A9rrHkcjI/2iTa7B/jo9fvQ2rsGPRFKM= 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=xHP3Ao/J; arc=fail smtp.client-ip=52.101.61.5 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="xHP3Ao/J" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=i+965UXA3Mi3XoI4GLGg5+K0iQzo5JWLFoIDeA2E8x8qDyi7QoaCsZn5jmSvMSjMwn5UW75I2s3KsUbSKN4JFwcRgqt0VvLRX6JwvZhQxCag7wSHC28NM8MJkIsYWu+If8NUE6myJmBzGaMvUn+SDUtFIj0L7TbVdhdlLidFfkGg4YfuiglkHsn2f8n0zJvoYeBu4DNuaxNAlSrUjqTwVO/WWaeqZPpAbdC7CqflZqla79ab4yyCVr7urDHE0eMypoOdLV+UHgoqaepFf26Cl6icrhMjQWk9WGLaZyOJvp9RSvS8nqB0Txi2UJVER+giJsltnYXvii5XXkZyb/SkIQ== 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=uSRbf4r7FdMfVSKhf+L14xq72MXWnbtN1m2rMBGAAT4=; b=TK90TlHKsG2oypnenXi3Qy8v16T1d9CIXPXHWEQU9GqhOk8iOUqwxq+Br6xVF4+FSzZPyXedxu6cfddoJkgWzvuAVmfbUM8WxOEOxqI0mumIYSmHFmOvgHzgoJtPaYqjv3iLe31atcFizQSJcwxKfnwHmrXCwrRfLXHlnzIuU1FkAZn9ZnTyLV9Fwh5l7ufafVNbbUVdC9p1DW4H5hNNMoYXa/q3IYi3pqc9rpEBdVOKtQ6Z44hs56BPgxKrnOG7PGMV9858TKS/HSfJwFfeM2M4tBMVZ2sWB2N4z6X/AZt6AWLF1mKorMB92ymoG+6WThOBq9UDipc9cTD2z5meWQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=infradead.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=uSRbf4r7FdMfVSKhf+L14xq72MXWnbtN1m2rMBGAAT4=; b=xHP3Ao/JLKaPYk8JtkAlIsOESYg1DedVU8x51r0XpCGiPkmGCqqadRyIARIhbPcrpswep3VsJ0DbsSMFtGU7JikbkqcZ8XaUzBA3lZ8hMmdoFKji11iJT9LrQm5uEeEuhWBEbiWMJQXRV5BPnSqVcGOXmVjfAX4pDHwkd4pUTaM= Received: from CH2PR11CA0013.namprd11.prod.outlook.com (2603:10b6:610:54::23) by IA0PR12MB8302.namprd12.prod.outlook.com (2603:10b6:208:40f::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9723.6; Thu, 12 Mar 2026 10:09:48 +0000 Received: from CH2PEPF00000146.namprd02.prod.outlook.com (2603:10b6:610:54:cafe::d1) by CH2PR11CA0013.outlook.office365.com (2603:10b6:610:54::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9678.27 via Frontend Transport; Thu, 12 Mar 2026 10:09:33 +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 CH2PEPF00000146.mail.protection.outlook.com (10.167.244.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9678.18 via Frontend Transport; Thu, 12 Mar 2026 10:09:48 +0000 Received: from Satlexmb09.amd.com (10.181.42.218) 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 15.2.2562.17; Thu, 12 Mar 2026 05:09:47 -0500 Received: from satlexmb07.amd.com (10.181.42.216) by satlexmb09.amd.com (10.181.42.218) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Thu, 12 Mar 2026 03:09:47 -0700 Received: from [10.136.39.20] (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server id 15.2.2562.17 via Frontend Transport; Thu, 12 Mar 2026 05:09:43 -0500 Message-ID: <20708a23-a3cc-4893-ae55-4024f2d8212a@amd.com> Date: Thu, 12 Mar 2026 15:39:38 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/9] sched/topology: Compute sd_weight considering cpuset partitions To: Peter Zijlstra CC: Ingo Molnar , Juri Lelli , Vincent Guittot , Valentin Schneider , , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Chen Yu , Shrikanth Hegde , Li Chen , "Gautham R. Shenoy" References: <20260312044434.1974-1-kprateek.nayak@amd.com> <20260312044434.1974-2-kprateek.nayak@amd.com> <20260312093428.GX1282955@noisy.programming.kicks-ass.net> <20260312100108.GA1282955@noisy.programming.kicks-ass.net> Content-Language: en-US From: K Prateek Nayak In-Reply-To: <20260312100108.GA1282955@noisy.programming.kicks-ass.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PEPF00000146:EE_|IA0PR12MB8302:EE_ X-MS-Office365-Filtering-Correlation-Id: 2e81f0b3-eacc-4dc8-9d4f-08de801f7e23 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|1800799024|376014|7416014|36860700016|18002099003|22082099003|56012099003; X-Microsoft-Antispam-Message-Info: oMPhxayLYoK4viOubHwRzOiyOGj+TxexVw96om4fct9XR+tJ9GFvEy4X5BLmQGrZ5LTLyKHBu0EgMa/t3yJV9WgG0eTby7N/B0wqo9T08L+7lZsYagbaQkcAFeAPGVBM+6n7Du+7mE5KqaAthGlcQDmWNn0uSye+VqSBiWbOfkoKZPDdy7hFK08x99xWCM9pG2ZoPGxxIjM1iYyy+9BSw5gLtBiGw2xTB4uSrqNeP8kmH7KGeIthpu4Qj07z3KZWe6HnT92hvjCI8s4dkl1NTqEM68lfOuleoQC2vE9kKgt1me3HhoAciYTJRNpyIe+vs58ua1O3CzWd1HLF/Vhgy+R47vGiU+npkXS3guzp2ft9RRtQOvxlB4Ax/2uD3EM1mv7CAtAnKgcxJO+S9ruZiGyuyC2SmGnUtMRpSl87mMzjqkjWrOCwup7dKwYHrPidI4lt5M2ck2msE5mFKs3V7lTJ+auKVbF4rwr2cI+Nll+V/PD+h6sDMUUqmFaoo9UXG3Imv0URwrz7LDcuALQRCKZvbpABrmJe4cH13mEpIQDa6Lbzn4NfvNTY9zmRPUodOicWS24SkqAS6h73YF/7nWMyHjiN3+IhGtPBPwPtzxyt2ha3LjANjfbfcWO65lsCQyyUNLt4/yb5rtiz34vsTPUSskAfcYQByLC2QRZ6zbDas0Tt+54OqHreReZSMQJ6eTvzlF64VD38rrujyV9vj4dgqjQ3g7WxbMd79i5ll0auoQbQkIjCMWFrEB75xHrq3+AxqacVygO5bTfRzRIl7A== 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)(1800799024)(376014)(7416014)(36860700016)(18002099003)(22082099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: J7H9G9A5hKcJzr2d/NSzPixfOrQeZM2LBVvm12qOnE19+10XaOt2tvVdV94ZouRd0NYXE2wWLBxbU5kmYu4r17mtZLeyhynDbu7g7CRtCHWNoZk9nDeVKDNwSEJH7Yv4Lu/vI1ZYIsIFZIX1nIr6mlLBsLAwEP39M2X+BqyiCK6Ly5U3nVDAkv98nkUfB9GUFYeMoEtYrGKYwbx2+iegPofpWJ0iFj5nmhSJnWUFouE5z5a4RA5PHALPsPUALQtgz+q6z6mqkUp2C/X/cGR4iQ3TOz8P2OHfJqQo7h+e4SdwgXXfVza2D2m4nkOd1l+aLYKZrTIrxOthSSNIRLJL/82P6+QczTMb94RwyOtOGDG1T7z2nKx7fWEASIezBmQ2Syav+KwE58tKyQywqXngzwBie4mlFyOI6+3nqzHBWogq+CdmP6nk0OD6yT3Vryxh X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Mar 2026 10:09:48.1488 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2e81f0b3-eacc-4dc8-9d4f-08de801f7e23 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: CH2PEPF00000146.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8302 On 3/12/2026 3:31 PM, Peter Zijlstra wrote: >> That can work too. Since sd_span is is just a variable array at the >> end of sched_domain, it shouldn't be affected by the assignment below. >> I'll update this in the next version. > > I've already fixed it up, was about to go push it out to > queue/sched/core. Oh! Thanks a ton. I'll base the rest of nohz stuff on top of that and hopefully cut out a new version by next week. -- Thanks and Regards, Prateek