From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from CY3PR05CU001.outbound.protection.outlook.com (mail-westcentralusazon11013056.outbound.protection.outlook.com [40.93.201.56]) (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 5903A21146C for ; Fri, 24 Apr 2026 04:29:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.93.201.56 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777004995; cv=fail; b=IWGyvzAYuxmh2b4FwpJD/U5qmllpAnT9UKAhVydTyLzaOk7mJcVJkSLrevwCzrX4ZgCC61hlJ2VBeudTzf0tWHIhSYfrYRyqYy3tpSO3p59rllZL4N7GzGg+2shf7Nf0v+Sk/DdV3+kvRWqGiND+SjVNFtJoNUcS1CNdWu67jcI= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777004995; c=relaxed/simple; bh=J29wVT0BD03u8qfOzJ2CJjvjsecnlP5gj3HdZYW1lbA=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=b8pF+1dqJN4G2gOHEr8G28JqRxq8f2v8FTSF/wz0aDS9e0XRu/CJDVSSNDFynBdNQ6avNQb7+NMAOE+bIwY57TlYsHr2oL2W52diwDRVe2yPLZrqg1RbRFqfJeRlNH4pym/SiT+1yDmldI1rgltphuZgEKrH/v05p+ULZBDwQLE= 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=h49oIURR; arc=fail smtp.client-ip=40.93.201.56 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="h49oIURR" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=IJIaEarcByMeo2ii7WCsPWvBsZGrkso31S/K/IDAflb4m30OoZsb8Q3XtXYj6gSDrqrt+K0eGfs36XT2/U94IqYLCqy28ojAJG2HjxOfJcqzJfxnNjtV5YrUZGAll614479JvNh+iSuOnQfd1ovZmHW28POGTzE2xnyWLN55KLmaKieoU5kSCPnV7dkYrpRW7AVwUIdyljTCeF/2Xo5S08NvjWP7aoajgzEjhh+SOScAgiXstSCMpA3mvR5LBT2Fu/JFcyg8CTK6Gdrp81UTwrO3QxIup2d+RU///cojT+ixOWluQGdwUvUiQijMe9+SFK4Wf6kdXG1UlpV/q3xYfA== 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=9vXbX/D89tB/p+UVONsQQ9Ynd8RYK9oOr5SX1dXJXok=; b=aSQWQv2ZwoTdp/32BoP5BNixla1CE8NE7Yqo+MguV6qFGnLtvfLEFVEl+RyQTzTfT2Sn37TKfO8BADRkXEiViIjDhsLy6umHYZXdSofc1gm2zvdgDMfxezJxAGyPrmE2++ghq6Ha5gQ2gHJoIbPZCTLHGsITshF4lNVr01FdCJ0cIs5S7ZsosePYwsDrvPlItqgjYdEfeStxLFyMsx4xrWJdWRMrfuHqhWuNB3ou5W9f1rAmxVW+5s1rfuGRRE0wcvQSV9hOp9bEQJ5wHsGV9r+GV7RN/0fY3Q5EBEy5l5rGgpXRBaBH2z0aUCyDMA3mgcvQKR0C7SDnBIC+crr5gg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=nvidia.com 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=9vXbX/D89tB/p+UVONsQQ9Ynd8RYK9oOr5SX1dXJXok=; b=h49oIURRptaxXsv8O29N8xXJJwZtUeJhC66K/UkrdU36QcBb3huV6NxBhQYCaOj82SY8WkAr62vaARVXC9Fxsq57YG+zXdK+BOdxlFv15DkHeNRn+NQHHIEyv0WFGjtxbEZ4Y+QfYii5yzc98LZzomrLd8IOIndl0KdpcDefHu0= Received: from CH2PR03CA0030.namprd03.prod.outlook.com (2603:10b6:610:59::40) by PH7PR12MB6764.namprd12.prod.outlook.com (2603:10b6:510:1ae::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9846.21; Fri, 24 Apr 2026 04:29:48 +0000 Received: from CH2PEPF00000148.namprd02.prod.outlook.com (2603:10b6:610:59:cafe::70) by CH2PR03CA0030.outlook.office365.com (2603:10b6:610:59::40) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9791.48 via Frontend Transport; Fri, 24 Apr 2026 04:29:48 +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=satlexmb08.amd.com; pr=C Received: from satlexmb08.amd.com (165.204.84.17) by CH2PEPF00000148.mail.protection.outlook.com (10.167.244.105) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9846.18 via Frontend Transport; Fri, 24 Apr 2026 04:29:48 +0000 Received: from satlexmb07.amd.com (10.181.42.216) by satlexmb08.amd.com (10.181.42.217) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.17; Thu, 23 Apr 2026 23:29:47 -0500 Received: from [10.136.34.119] (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, 23 Apr 2026 23:29:43 -0500 Message-ID: Date: Fri, 24 Apr 2026 09:59:42 +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 5/5] sched/fair: Make asym CPU capacity idle rank values self-documenting To: Andrea Righi , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot CC: Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , Christian Loehle , Koba Ko , Felix Abecassis , Balbir Singh , Joel Fernandes , Shrikanth Hegde , References: <20260423074135.380390-1-arighi@nvidia.com> <20260423074135.380390-6-arighi@nvidia.com> Content-Language: en-US From: K Prateek Nayak In-Reply-To: <20260423074135.380390-6-arighi@nvidia.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PEPF00000148:EE_|PH7PR12MB6764:EE_ X-MS-Office365-Filtering-Correlation-Id: 19032d92-1c06-466a-8759-08dea1ba1ea4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700016|1800799024|376014|7416014|18002099003|22082099003|56012099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:satlexmb08.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(36860700016)(1800799024)(376014)(7416014)(18002099003)(22082099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: EmlWXjlSHXMq9Z8vo729/d64eKRhVsQlf0zNRsqHH68qw8191SrnRadSNIXaa4MkkQH0jJFEvOjl+ap2ojYLvjft68m/zHkAaaXRU0eRsLIsT6hs7N7gEanXZ6tQwxua4FAyhUUJAecwTgmnQogzo9Y+Q+glUYSeCP5qmdkug7tmJWlOCst7ltPmZp3uyNP2jrGRmcJ9cZmmODBJwiKWivBrKGxFzImY8h3HYlJQvtpyKTgh9LoNPlzkI0vtw0gNERW8vcOVjhQa5zRey7RrTUVhhfo4/7yRM+L3l63MmM3U8xgyNrG4oM92n9Blhzc63mgwxRQ6DFUIbcbotgNST4FHJw7N/pbF/rRB7UStOqudOR5pc1cwA4TgADH6QT+5i1aqWGsoGl+ZFDxgEH9jEvsp0EWhHaxeLem7cBS06ugO51w/lQQztJtZHb9mATTV X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Apr 2026 04:29:48.2720 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 19032d92-1c06-466a-8759-08dea1ba1ea4 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=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CH2PEPF00000148.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB6764 Hello Andrea, On 4/23/2026 1:06 PM, Andrea Righi wrote: > From: K Prateek Nayak > > Introduce enum asym_fits_state for select_idle_capacity() scan > preferences, instead of using raw constants to improve readability. > > No functional change. > > Signed-off-by: K Prateek Nayak All I did was suggest an enum; You did all the work on this :-) I think this can be squashed into Patch 3 and that way we have we can avoid the magic numbers from the get-go. Thoughts? -- Thanks and Regards, Prateek