Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp3893655pxj; Tue, 15 Jun 2021 10:52:22 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxiugSD+7lnA5PawTcWtYz1DDy85u7KSu5NfarIUcFWX9LhaDbmx8XWLvV5pPN7mrEcTb/V X-Received: by 2002:a17:906:b34e:: with SMTP id cd14mr812783ejb.69.1623779542250; Tue, 15 Jun 2021 10:52:22 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1623779542; cv=pass; d=google.com; s=arc-20160816; b=Usp9rT1y2Qt6Wqur9XClRKX28vt+tJl2T3Fjbg8/zA8RTIXh37EDxQJn1IhEDjtQcY qYtoUSYBhJSfpMRGKOsRpfsa4gxkrAcf7r/XOmTutbp4AGmlNY9OdB+YI9yiiwkjw3ZO pdXBmh6uw4Xfx7yazQl2MCLOoVXmG14vRkNEo+j5OsZBXA98S8y9n6SAw6BH0jSIywsZ CDGSaGy/O4XK9hIdytEU5L+6wUt3Pyc+qHtQ/qIWWmKRyF4QP6dtZISUY71a4w/sMfDv swSlBtWOhnz0shIhWuckQModF9wsDI+6q5LAq31EZU/00650yLRA3REm7EEeJTJyA5JI CIlw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:content-transfer-encoding :content-language:in-reply-to:user-agent:date:message-id:references :cc:to:subject:from:dkim-signature; bh=49qsxuHpZe3/auS6KX1rPVrc9jgVDQxrc+4m0w/4B5Q=; b=pcznYmuAFscizkg0j7UWNGX8oaXZt+pk9a1862xJJDC1h9WpMknnFXHdlzcXJdjHAY xmaXVRfdX6Ot4aRom5EsDe3Dtk4YjA6xmmNsaHDp8uRBeRHGKDRNTf/2O/m+PL6Y+z55 TJNw6IzbLgS7J7Xn9RP8w51chCjUViyUtCA1AVkb0i5VcAhgh/u68EG8pTjVfnspbbr+ wrZI6BXqAshleuK//weKBDyNmiIKRBMpb/DmTzAxToIXTpAzRYY87QIpgLpJZYLsY2Dy 0EjbOdNxzomZ0mz2GrD4UH5STlTJiMb7ilbfHWeyNXQTMKt7WeFV8n881AhQlANGv2MN Dmiw== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=Fwj7ajuJ; arc=pass (i=1 spf=pass spfdomain=amd.com dkim=pass dkdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id dz22si15091909edb.470.2021.06.15.10.51.58; Tue, 15 Jun 2021 10:52:22 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@amd.com header.s=selector1 header.b=Fwj7ajuJ; arc=pass (i=1 spf=pass spfdomain=amd.com dkim=pass dkdomain=amd.com dmarc=pass fromdomain=amd.com); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amd.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231166AbhFORxG (ORCPT + 99 others); Tue, 15 Jun 2021 13:53:06 -0400 Received: from mail-mw2nam08on2055.outbound.protection.outlook.com ([40.107.101.55]:57633 "EHLO NAM04-MW2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230322AbhFORxG (ORCPT ); Tue, 15 Jun 2021 13:53:06 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=MEsavKHiRB3yyxudOniSzgOotznM8VbEIjgygBJnwN1Rx8IQrL5C9lZkTqeoofBmA2GSrK/+jbPIGjXOI4SnX/nWgiy49kplnzTe4RMBvfZ6B7OxHQ2SAresp5Ne5R702wh2QCQvTwTiJlWRSEJBfdpUhcdD3iZsWz1eLHQW7IB7i6A+FSD7w3LhekLATICBy//yB6lpPJIXWYgzDrJJwBrFM7+xPbfVLTU/EIyflS1N6uyTI1xQVIk8t14oW3fdS9qus6v70gQlLNLhGt8DkV2ghsUqN67gsELeNV5pkRmVwqAYM7Na1sQzyUuzApgkqx4yQKd30D+4K5DbutxHiQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=49qsxuHpZe3/auS6KX1rPVrc9jgVDQxrc+4m0w/4B5Q=; b=UVDtUnQsxOlXdEHFlYN9lPFwUjlr5ia+8E2STIogHB0K6dKHDcMLvcgRKYP+Hn5yqHYiUySQ7ni04d9suMx/e56OgUyOLc58Nu9lTCGhs1WIyADD57iTLdQBe9ENt30oJRcz1jirZr2z9SxkVc+gWbSxkNNE1ZLy89XsLE9KUlTpJT3tgQtlrxZrqRAeKKUl5ubCDXDbS+cvCdVyb+nSbj8IUbg+ZmTitWuKtHYc+91XBjlRIE36OBfEeNBVFefkiYbWynFvbXRkTOOW1JgIkFca5+ROFvhSg5G5uQPj0/YjP+M0AotBty4aBDpniYZrwrqEWC8ZtjR2mgjhyN8w2A== 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=49qsxuHpZe3/auS6KX1rPVrc9jgVDQxrc+4m0w/4B5Q=; b=Fwj7ajuJZYdm7pfp8y1uP8VrPOcijLvLN7AwpGh5XaA1nB0eqZG1kiMrwCYU1PPqJyka9mI/zmhXx80bAYck6hWbt0NiarhFBm3UfqrDCQqjdLQ4tImC1XNtn+XBPY/PDIvjO66EPfMrUHA2Y+XcLbOxxviiE/oX7NX7zwnaqBo= Authentication-Results: marvell.com; dkim=none (message not signed) header.d=none;marvell.com; dmarc=none action=none header.from=amd.com; Received: from MW3PR12MB4553.namprd12.prod.outlook.com (2603:10b6:303:2c::19) by MWHPR1201MB2524.namprd12.prod.outlook.com (2603:10b6:300:eb::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4219.20; Tue, 15 Jun 2021 17:50:59 +0000 Received: from MW3PR12MB4553.namprd12.prod.outlook.com ([fe80::bdeb:29f3:2bf1:bfa7]) by MW3PR12MB4553.namprd12.prod.outlook.com ([fe80::bdeb:29f3:2bf1:bfa7%8]) with mapi id 15.20.4219.025; Tue, 15 Jun 2021 17:50:59 +0000 From: Babu Moger Subject: Re: [PATCH v4 00/24] x86/resctrl: Merge the CDP resources To: James Morse , x86@kernel.org, linux-kernel@vger.kernel.org Cc: Fenghua Yu , Reinette Chatre , Thomas Gleixner , Ingo Molnar , Borislav Petkov , H Peter Anvin , shameerali.kolothum.thodi@huawei.com, Jamie Iles , D Scott Phillips OS , lcherian@marvell.com References: <20210614200941.12383-1-james.morse@arm.com> Message-ID: <18859c3b-a060-5358-a4cd-2a0081b3442c@amd.com> Date: Tue, 15 Jun 2021 12:50:56 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 In-Reply-To: <20210614200941.12383-1-james.morse@arm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [165.204.77.1] X-ClientProxiedBy: SA9P223CA0002.NAMP223.PROD.OUTLOOK.COM (2603:10b6:806:26::7) To MW3PR12MB4553.namprd12.prod.outlook.com (2603:10b6:303:2c::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [10.236.31.136] (165.204.77.1) by SA9P223CA0002.NAMP223.PROD.OUTLOOK.COM (2603:10b6:806:26::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4219.21 via Frontend Transport; Tue, 15 Jun 2021 17:50:58 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 96821835-21bc-4ca0-60f4-08d930262279 X-MS-TrafficTypeDiagnostic: MWHPR1201MB2524: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:10000; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MW3PR12MB4553.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(136003)(346002)(366004)(376002)(396003)(39860400002)(8936002)(26005)(53546011)(44832011)(6486002)(86362001)(956004)(4326008)(8676002)(2616005)(186003)(52116002)(16526019)(31686004)(36756003)(16576012)(316002)(31696002)(2906002)(5660300002)(38100700002)(38350700002)(83380400001)(66556008)(478600001)(966005)(54906003)(66476007)(66946007)(7416002)(43740500002)(45980500001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?azZ0cEM4TVYrYlp6bWJ6Y3J5OEcvRXE5QnN1ekNOZzd1SmFPRnF4cHlZK0ti?= =?utf-8?B?bnptL1JiWDNsVjZwazJGa2tIUkpicEJVNy9pVXJMRysyTUY4bFI0WDlwWDcr?= =?utf-8?B?ZnhYYkFpVms0MlQzdkRLU0tjZ0piQ2VObzZTaU0rdkFXdjVsVTVYZzBjOWpm?= =?utf-8?B?eWNIUUFCVFFoaGRuVk55MXZoV2dZOXZIS3hKRmxoVDRqTzRBWENrbG9hVHpF?= =?utf-8?B?YmZEMStrVFJ3R0xLTUdZL1hXb3pvRFdiNnFFTXM5MU5ZR0RUNHBid1doUk5m?= =?utf-8?B?WnliY3FCUzFIOG04NElwWitkVzJ4bzM0T2NZcXZrYnpHRS80VG14L254OC9y?= =?utf-8?B?UTRIOUc3SjFuTVl6YWlzNjJaLzl5c1JMT29uSk9aRnpxajhHZEpEZkswTFps?= =?utf-8?B?SDFMTEtBTlN5RE9VcmVpSmJVU2FxaTJRQ0lmVkNabTFtcEhnakpSM2FvQ1RK?= =?utf-8?B?UzBBaTBlcFBwMVM0SlQxWFNPb3lMNXV1b1dnMDVSODRrZnUvVDNSTWY3UVJh?= =?utf-8?B?WWxxcGVmcldsbzlRUWR4ZVlXTFFmNmJhYTJ6amlDdkxqZjEyN29EbVg3b05C?= =?utf-8?B?NmpKam9nS0FZWUt4dm1aZmo1alpibm9UZFlhK2ZLY3hqRXJWWk55a012T2Nh?= =?utf-8?B?ZWxOWDhCNUUzV1JuU3A1QzZwSTRwSTAwTlVjZklKQWVhQjRQRXhqQmJVZHlv?= =?utf-8?B?dkx0QnFNRE1nM2ZXZ0ZibzhVVUZPUC9mQVNMU2lYV3BNdlM4UHFhRXhIYkZI?= =?utf-8?B?TDFNU0xlSEVoelFpYWN5MXJYVGxuRFdTNy9yakxtdGU1OG9ySFNRSzdZMy9L?= =?utf-8?B?RVFNWmhUbkREb2hWckdBc2VRTkZML3pybWhGVk1sUjBuZmFQTkxWSUdqNk0x?= =?utf-8?B?TUFxc0pBamhRTXRCZFY1Rm5HczNObkhNSVRxNzFFazZHcEdiTFkwc3dRcTVy?= =?utf-8?B?aUJ2T3dycWhVWDQ3TFRpaVpJTjJHTkZFeURTSTVteVM5dGhwdWZob1NiMTdI?= =?utf-8?B?ZWQrR25WZ3dXdWdXMFdLUW1XaDlieE1iR2dhSGc5WlJzaUk4dTIxOVpwNDFX?= =?utf-8?B?WHBKZ2hYNlo5aXhmME1aYnVlUWFoWFM5REJIZ2o0ZTNuR1U3N3o2a2xFR0FW?= =?utf-8?B?UHpOK0xEUE1oM3hOQWp4NjRCM1hpa0RzSUN2MVZYZVRoaE5oNm1zY2QyU1Q4?= =?utf-8?B?ODdWckZGVFUzMGpYUGk2c0srQ0dwZVJaTWlLa2ZpQy9lTUVEcXgrbzB2NkVC?= =?utf-8?B?VitNcUNhT2lGc3E3dnY3cEROVkExNmpac0xjSThhenpBRmpVNmJwQlEwd1J2?= =?utf-8?B?RVAyWlhzWWJzU284U05yQVZqSkN3bWxnVmZ5Qm4yaVN4YnNUUFV3dS8wTlZy?= =?utf-8?B?OUhRVVdXdWlIbTU3QTVMblY4UzYxUWtxWkxWS1RmVUZsVnNWZVpRVDMxQ0xs?= =?utf-8?B?SElYNmFvUVlGV09hUW1valdncVRRSTFwSW1oeUpacE5sK0ZrMjIxYzRWSUkx?= =?utf-8?B?UVhVVnFHRkZCVkJMS210LzBHc0Z0S1lNU2hTdHFkUGhkZXdDZFZrZFpvWnEw?= =?utf-8?B?U2lEblpkV1pobTdEQnpZbkxZZFJrQmVscDJxNlVhbTBNazFLdXUrWGlGcFF0?= =?utf-8?B?ZjZ2ODZ5OTVDUGFyK1lYdVQ5bXBwSGxSN1doZUFpVk52aFhNRFBOclhMaFVm?= =?utf-8?B?ZjVsRlh5bXNxb29PU3NQeUk1MGpOQUQyN25EN2tZb1dUUXFlcGdxZWZhUDQ4?= =?utf-8?Q?C7+hDdFRfzi8blzCXovTQclaooBUP2e9hn+hqZV?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 96821835-21bc-4ca0-60f4-08d930262279 X-MS-Exchange-CrossTenant-AuthSource: MW3PR12MB4553.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jun 2021 17:50:59.7435 (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: Wv9ttmBDoOm+7sKRr3sS7UEgcDpUUTOsonm+R9IxQH9OF9FvzhZU2dO488Dzsp8H X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR1201MB2524 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi James, Thanks for the patches. Sanity tested the patches on AMD machine here. Everything looks good. I have few comments on some of the individual patches. Thanks On 6/14/21 3:09 PM, James Morse wrote: > Hi folks, > > Changes since v3? Fixed the 'unsigned u32', remove a few spaces and fixed a > few spelling mistakes. > ---- > > This series re-folds the resctrl code so the CDP resources (L3CODE et al) > behaviour is all contained in the filesystem parts, with a minimum amount > of arch specific code. > > Arm have some CPU support for dividing caches into portions, and > applying bandwidth limits at various points in the SoC. The collective term > for these features is MPAM: Memory Partitioning and Monitoring. > > MPAM is similar enough to Intel RDT, that it should use the defacto linux > interface: resctrl. This filesystem currently lives under arch/x86, and is > tightly coupled to the architecture. > Ultimately, my plan is to split the existing resctrl code up to have an > arch<->fs abstraction, then move all the bits out to fs/resctrl. From there > MPAM can be wired up. > > x86 might have two resources with cache controls, (L2 and L3) but has > extra copies for CDP: L{2,3}{CODE,DATA}, which are marked as enabled > if CDP is enabled for the corresponding cache. > > MPAM has an equivalent feature to CDP, but its a property of the CPU, > not the cache. Resctrl needs to have x86's odd/even behaviour, as that > its the ABI, but this isn't how the MPAM hardware works. It is entirely > possible that an in-kernel user of MPAM would not be using CDP, whereas > resctrl is. > > Pretending L3CODE and L3DATA are entirely separate resources is a neat > trick, but doing this is specific to x86. > Doing this leaves the arch code in control of various parts of the > filesystem ABI: the resources names, and the way the schemata are parsed. > Allowing this stuff to vary between architectures is bad for user space. > > This series collapses the CODE/DATA resources, moving all the user-visible > resctrl ABI into what becomes the filesystem code. CDP becomes the type of > configuration being applied to a cache. This is done by adding a > struct resctrl_schema to the parts of resctrl that will move to fs. This > holds the arch-code resource that is in use for this schema, along with > other properties like the name, and whether the configuration being applied > is CODE/DATA/BOTH. > > This lets us fold the extra resources out of the arch code so that they > don't need to be duplicated if the equivalent feature to CDP is missing, or > implemented in a different way. > > > The first two patches split the resource and domain structs to have an > arch specific 'hw' portion, and the rest that is visible to resctrl. > Future series massage the resctrl code so there are no accesses to 'hw' > structures in the parts of resctrl that will move to fs, providing helpers > where necessary. > > This series adds temporary scaffolding, which it removes a few patches > later. This is to allow things like the ctrlval arrays and resources to be > merged separately, which should make is easier to bisect. These things > are marked temporary, and should all be gone by the end of the series. > > This series is a little rough around the monitors, would a fake > struct resctrl_schema for the monitors simplify things, or be a source > of bugs? > > This series is based on v5.12-rc6, and can be retrieved from: > git://git.kernel.org/pub/scm/linux/kernel/git/morse/linux.git mpam/resctrl_merge_cdp/v4 > > v3: https://lore.kernel.org/lkml/20210519162424.27654-1-james.morse@arm.com/ > v2: https://lore.kernel.org/lkml/20210312175849.8327-1-james.morse@arm.com/ > v1: https://lore.kernel.org/lkml/20201030161120.227225-1-james.morse@arm.com/ > > Parts were previously posted as an RFC here: > https://lore.kernel.org/lkml/20200214182947.39194-1-james.morse@arm.com/ > > James Morse (24): > x86/resctrl: Split struct rdt_resource > x86/resctrl: Split struct rdt_domain > x86/resctrl: Add a separate schema list for resctrl > x86/resctrl: Pass the schema in info dir's private pointer > x86/resctrl: Label the resources with their configuration type > x86/resctrl: Walk the resctrl schema list instead of an arch list > x86/resctrl: Store the effective num_closid in the schema > x86/resctrl: Add resctrl_arch_get_num_closid() > x86/resctrl: Pass the schema to resctrl filesystem functions > x86/resctrl: Swizzle rdt_resource and resctrl_schema in > pseudo_lock_region > x86/resctrl: Move the schemata names into struct resctrl_schema > x86/resctrl: Group staged configuration into a separate struct > x86/resctrl: Allow different CODE/DATA configurations to be staged > x86/resctrl: Rename update_domains() resctrl_arch_update_domains() > x86/resctrl: Add a helper to read a closid's configuration > x86/resctrl: Add a helper to read/set the CDP configuration > x86/resctrl: Pass configuration type to resctrl_arch_get_config() > x86/resctrl: Make ctrlval arrays the same size > x86/resctrl: Apply offset correction when config is staged > x86/resctrl: Calculate the index from the configuration type > x86/resctrl: Merge the ctrl_val arrays > x86/resctrl: Remove rdt_cdp_peer_get() > x86/resctrl: Expand resctrl_arch_update_domains()'s msr_param range > x86/resctrl: Merge the CDP resources > > arch/x86/kernel/cpu/resctrl/core.c | 269 +++++-------- > arch/x86/kernel/cpu/resctrl/ctrlmondata.c | 164 +++++--- > arch/x86/kernel/cpu/resctrl/internal.h | 234 ++++------- > arch/x86/kernel/cpu/resctrl/monitor.c | 44 ++- > arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 12 +- > arch/x86/kernel/cpu/resctrl/rdtgroup.c | 448 ++++++++++++---------- > include/linux/resctrl.h | 181 +++++++++ > 7 files changed, 758 insertions(+), 594 deletions(-) >