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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 6EA7FCD5BC9 for ; Tue, 26 May 2026 02:10:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AC41A10E088; Tue, 26 May 2026 02:10:11 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.b="jYI9z8Zt"; dkim-atps=neutral Received: from CY3PR05CU001.outbound.protection.outlook.com (mail-westcentralusazon11013052.outbound.protection.outlook.com [40.93.201.52]) by gabe.freedesktop.org (Postfix) with ESMTPS id 20CF110E088 for ; Tue, 26 May 2026 02:10:10 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Z+e/o7gc1aVfdCZQ8rj0i9gfXOR5zsdlkwXMw6RfJnB+HbCj8pevTOQne6W5xR+F0rwyLPrYWzQxn8MOCnTIxl0iC2WP0wOeDPMs6TT/Ox9uEhrb32MjMY99FNoFntxxfFLNOa/Tt00JYZvnTd9rmQO/gGrOtPO89Fg++rdtRtzsMfe7oBAcJiyanjy6QwKumE2grdBgXphFD14F5GmgwjD5z5pVkTyoI2Q3ilu3dDwYBV7kdybHdP3tJctZpuMtswY1Wdx5W9CCwIkNrkQnhmhFVrl1+pHAhdyu9WsdfNYf5CYwYcYLaFIcWzG/wh6iOl8E1ktZMwznbN1aVpVr0A== 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=eIMywZfoVROExD0Tt0gjtkrrZ1wroz9F4Pq+tb7YHak=; b=RRUYszn85SAE+CWBYF+F9qIIStNYmfQYUeAhE091uOM0nd0a/bdObC8Ei6Bm1uXt7/NFxlOE2pNGTxOEMQEZ95S3aWh6NO1ud/l0uhBT/w/rNtBiHkMCeGlcI7V1WUOFWgAGLjBrvfqCPdWszm6ypEAdOr6qz00P5GsJhdPaAZlg4sg9sP0Lm9qaEfvPYryxBgTt6GOZxr97ilDqbHX4hy+RIGf6pr6JhBmqmB7leQxrjwpEUrfkwQkY44Z7GxN3XobWVDk7XynDC4WW2Srf8R2pVP7HdJLc+QBDXryuMxTxsL39tn121tQFCsmdgpF6jvtzWI//P/bce5GLxfwVKQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=eIMywZfoVROExD0Tt0gjtkrrZ1wroz9F4Pq+tb7YHak=; b=jYI9z8ZtNPMYprkh2HUUESbv7j+j37HDDGNpXKiQPy9lwlDTzcfG1yoZ2m3yxysGCR+rATHOMzVw3mKkQbYwQyBswF2GgxblIbK9SII8/wNeVPKZMG0whN7Nlkg0GGDlwFRHAT2lJQ1KmSjhsBrkRPBQY565gMEZCTYkDh2lhLHwNMOVmKzdYr/k/RM5v7Ckc2kze3KO61zymKftERVcw4NopdTx3+clPnH9iCoRy4reW1ZzCk0VH1rcUmTJgc5sX1iii5z68LGD0bTq/1riPCACXKETGTeOJFzYOSX2f7uBaq82Oewuc88zeye/c0XlGFfuAO7TMjoA5cpljOPtaw== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from CH2PR12MB3990.namprd12.prod.outlook.com (2603:10b6:610:28::18) by MN0PR12MB5715.namprd12.prod.outlook.com (2603:10b6:208:372::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.48.19; Tue, 26 May 2026 02:10:03 +0000 Received: from CH2PR12MB3990.namprd12.prod.outlook.com ([fe80::7de1:4fe5:8ead:5989]) by CH2PR12MB3990.namprd12.prod.outlook.com ([fe80::7de1:4fe5:8ead:5989%4]) with mapi id 15.21.0048.016; Tue, 26 May 2026 02:10:03 +0000 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Tue, 26 May 2026 11:10:00 +0900 Message-Id: Cc: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH REF v4 24/27] gpu: nova-core: use lifetime for Bar From: "Alexandre Courbot" To: "Danilo Krummrich" References: <20260521233501.1191842-1-dakr@kernel.org> <20260521233501.1191842-25-dakr@kernel.org> In-Reply-To: <20260521233501.1191842-25-dakr@kernel.org> X-ClientProxiedBy: TYCP286CA0129.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:2b6::17) To CH2PR12MB3990.namprd12.prod.outlook.com (2603:10b6:610:28::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR12MB3990:EE_|MN0PR12MB5715:EE_ X-MS-Office365-Filtering-Correlation-Id: 73495f76-872c-49c7-47f2-08debacbe600 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|1800799024|7416014|366016|10070799003|4143699003|11063799006|22082099003|56012099003|18002099003; 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:CH2PR12MB3990.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(376014)(1800799024)(7416014)(366016)(10070799003)(4143699003)(11063799006)(22082099003)(56012099003)(18002099003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 2 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?RnVPcENXRjNUQmh2NDlzNGRyYzBJeE5hRE1Ob0Jzd2xxSDYrMTRLS3NhOFRi?= =?utf-8?B?M2t6L0wySHl4bC96T0cyWEJySUxsdVNqcjNPRXFkVHpsZE5majNCN2ovQXp5?= =?utf-8?B?bG92L1Z5RUNIdXJ5STBERHhGQ0o3MG9YeFJiSFUzRFhyWHdyL0N5OW5aeW03?= =?utf-8?B?MU9kRDFCajg4VGN3RkN2SnRLcVFsTkh1ekJtdWN1a3hrclhsWWtubXcwY05m?= =?utf-8?B?NktWMlkrOHR6Ly9KbWl4RG9Lc0JmSytLL2x5VHpVdG9YdVVXRjVoZCtaaEo3?= =?utf-8?B?cmdBMFhVemlyanhWOGNCM3Z6UFg1MW53ck9vZnFhRjZOU1lFWFFKRTE0SkNC?= =?utf-8?B?SDRKNld3Z0Z4bHdrUURWbGc4dGt3bDBQZzFvL01RSnFwOWJwYm82WHpKZG94?= =?utf-8?B?ZHd2cTZDYy9nd0UvSDBOenkwRWQ1cFcwcVE2SnVySnBzdldlNTNKK0k4aTJq?= =?utf-8?B?N0thcFBtbzFuZmNSL3lnbVYyVFhVMEZsZFhvK1BrMjRHZ3FDN1REMGZwc0Vq?= =?utf-8?B?MTVYWWY1bk5QNndVakt5THNTUVZTbHdlNnVhbGdPZU5ISTlZb29vMHJwcHFj?= =?utf-8?B?ZGs0UzBoRlFWbFdDM2NGY1NPN1kxMFJSS1RtR0prcUVzOFVWbGR0bzY5dHNw?= =?utf-8?B?bkRtTHoyb3RJWjlrWlA1Q3VZdGJiMmo5ejRUbVdTSVdEU2FGdW43WXo2OEdR?= =?utf-8?B?ZjltTW05dG13U2lmMG5NZTFBZ3NTNDAyazlScnhYQ1pTSFBKR0hUTUJjWms4?= =?utf-8?B?U1diNGlPL1VyeHdENS9JNjZ3NGZIcDBBOE5ZMVdQeDE4QlQrMExwNlhKbndn?= =?utf-8?B?NDZuWCtiSEx6cm1kZ2ZYM3lnRU9URjN4VFhNRWc4bmJ2YmNTTzRWZy91enFv?= =?utf-8?B?UXFlbXlXZ25YajdoVEc2UzhMT2N4cVZVL21mamR1U1g5Z0Z2V2UyZFN6bjM1?= =?utf-8?B?TU9zUzVEYzh3UUxjVmpzM2ErZHZwSFR5TzBmbW9qcmhiRkJDbm9tQzY1MXF1?= =?utf-8?B?YVo5TWR3TllhV3phczQ0WnVCaThrUEdnRUVCQjhLZkpENlc5VC9od1NmalFJ?= =?utf-8?B?Um1HY2NLbUcrUHhhMGN1SlAxb01ESDRGWDVSUGFIcXY0YXJqMmtXR050Q0JE?= =?utf-8?B?SHdMTlJUbHpxZW1La21XU0pxRlZwNVdlcVF1SGpVa2dLUytsYitYdjVMb3pP?= =?utf-8?B?NHRINTZWcXBqRllmU3dwc3lIMTgvSkIzRU9kVmp1TW94QUhTdDB0WUUyWk5N?= =?utf-8?B?UE8zenJHaTY1dm16ZHFKUWVIVTBPOXo2ZDNETHQ5ekQwWWlXOTdCMEJUOHYy?= =?utf-8?B?RnF0amdUc3NtRWxFZzl4MUtlNGEwemlpNXdQV3pYWGVWWWlNdVY5YjRFa0p5?= =?utf-8?B?bThlVmVIY0VSK250S3hZS2J5Uk0xVFZnbUJ1WG5kcWZKSVFvamtGNVdIRy85?= =?utf-8?B?K0RTVkVrY1Bpa3JjU2grOFhOSTh2bWxUTURoc2JVVEhPZENWTnhSWTVXeU4w?= =?utf-8?B?dXQyYStBNEdsOHA2V202OVAyQVlwdjFlNk1BWjZHT05ETE5nZnk3RThNUUlT?= =?utf-8?B?c2wvb2JTMlp4YnZQdGVBbmJrbnZ2Wk9UQ2N5M0tBa0FtSVIrZmxRVGszYnJy?= =?utf-8?B?eDBNUHJxY1dTZ3lFTitEWGtRWFgzM1JuclpjVVoxN3NhNmQvVTVRWTF2YW9j?= =?utf-8?B?aXNjK2UwU1pCbTNNZ3dVWjhLUm5zVGxHK0lJWkZhaXJlNEdLZjhXcFZaV3k3?= =?utf-8?B?dUVTNmNrMHFCTlpiOXJqT2hUeGJPek56OU9aYUROV1FOcEFjUnRSTzJBMTVZ?= =?utf-8?B?QWlFUHA3Zk5nRE9yd2ZIWG5HME9ad3grbWszdEFiYjVvL3Q1UHBxTzdKWXkr?= =?utf-8?B?NW85VHMwNnFaaTBlSjhYOEtaWS83b0RDaFU5cnVmMmdFMzRSd1F2SXZ1cmV0?= =?utf-8?B?eDkxNWFxbDVSSTVieUJyNE5mckFFeGkwUnFvMjBac04xQ1Z4M04zclZVc0JB?= =?utf-8?B?QTgxVWt4MjYwV1BRSGJPQnZKL2xoVXEzeWJDcGhrWmVDRndZM1ZPanVTY0lE?= =?utf-8?B?Qjdlb1ZMM25QMnhBV01CV09ZUm5BTXJnMGpmV1Y1TGh0SCs1aWZoYjA5Y1dI?= =?utf-8?B?UmJJNFRrc0ozNVFXMUN6eEhjTlMyYjRXbEVXMTkvZjdqeDd1Mm9zdlExazFa?= =?utf-8?B?dzM2VHp0eStIRGFCUjNLZFQ3MFZWdGdNNDU5YjY2b0s0d0ZoQ2plSm9uMG1W?= =?utf-8?B?R3lnV0tLV3V5cVJ0RUJicFVObTFXRjRYclR6bSs5cHQ5RGEycm1Nc3V1V1VU?= =?utf-8?B?ZlRya3VRQ1Mxb1dHSUhGaDFXdG5pMXliT3gzVHFreHNQWThoTnRYYmhqRExu?= =?utf-8?Q?oU97JwoZr3HNfLzkOQCToiPJWSSiGTNtAh8cYVEytw6wX?= X-MS-Exchange-AntiSpam-MessageData-1: TNvdvYkgEfBPBQ== X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 73495f76-872c-49c7-47f2-08debacbe600 X-MS-Exchange-CrossTenant-AuthSource: CH2PR12MB3990.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 May 2026 02:10:03.5361 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: BPB6cUXNMRjxgH6Nyr4rdQsD5T5JTkzrvkZHdtv5Q8vruXJBaklNlat6ss/ZbHFh0C8kzzVeXvrqPgmmgL8/yQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5715 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri May 22, 2026 at 8:34 AM JST, Danilo Krummrich wrote: > Take advantage of the lifetime-parameterized pci::Bar<'bound> to hold > the BAR mapping directly in NovaCore<'bound>, and pass a borrowed > reference to Gpu<'bound>. > > This eliminates the Arc> indirection, removes runtime > revocation checks for BAR access, and simplifies Gpu::unbind(). > > Signed-off-by: Danilo Krummrich I see that this patch is not in v5 (and it is marked `REF` here), do you intend to push it soon? Knowing that would be useful to understand which base to use for work that depends on HRT.