From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from BYAPR05CU005.outbound.protection.outlook.com (mail-westusazon11010071.outbound.protection.outlook.com [52.101.85.71]) (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 2DD9C53445F for ; Thu, 1 Oct 2026 21:11:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.85.71 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790889077; cv=fail; b=CZxuQSvoOlEJ73A5srC0p2Rird/avCt4Sb2KrU6ukv1Y7aLo2ZhyHCTmXi9z1nZ1Fi/bAg7sSUvrnelH4IYbpFR/w3ZHewg/WpZjsro4buvlWLN+r2641WGLYSv/E7kPkGSbs1DqCp4h4j8S55bjf9Lon+CvCxfawCgU7w4yjM0= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790889077; c=relaxed/simple; bh=+zAbcQzmgSCCwbMutZ8xmHW7QUfD9A9vBLKczC9VpGs=; h=From:To:CC:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=jJQcW3DSffSRW/vxTsecmYH17WvZMknNUir1eDIfeNksxki/euVtWEUhdbZeLp8oDPxYRdGw9QznHsaYC5JiCG18qNKVEeUf/9dgW0zPfiH/1TNK290SNkSp+HdFKCro9HblCj+CjeICfETXYtT0JL8KlkV0vEF+1OMdVI7GLQY= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b=PXdgQzLR; arc=fail smtp.client-ip=52.101.85.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nvidia.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=nvidia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=Nvidia.com header.i=@Nvidia.com header.b="PXdgQzLR" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=pmdmheafCFTMP2DKnJlUnJ/64iC5IV+lqVbVvv0gRjb5uRi6J9kgMxjOYwUvqkno+HU0aBEw6TUAWzhOhTQDx9SoMbe4X+K4H8Z7RBtp/17vCl5UuVZVNIJoeVDgx4w3/35BxbllJoomDuffPIB7RhTQ+HUGpc590Mq5b8vfDhOGBb936MZNum0I5IaXIdJsoTLtW+hFu1kP7SiysIIPov+Iz36NOBnEAu+p4gsQ0unYjwcmcWKjPqrmiHF26zpDP8FBCjKPgDnyWXsre+RkmahiLvm7K1E3f5LXHYPBE3FCtdiMucUvTbrZ3BijSqd7hkobiJwHOVvvb4y2441nlw== 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=+zAbcQzmgSCCwbMutZ8xmHW7QUfD9A9vBLKczC9VpGs=; b=tDJvECfHJ6GtoHxOvekkCq6uLa5I3ImoUY9xtyPlLC63hkQUBwe/yuN2IuALjNq7r7vg16FShpG5IghvJjWvF/eD/Hy6LRS/1IY9t9nY3+6TKLorrLnTqDDD5bq7bHy/jXaJA+uKZ6pkfCGMstUYVNrOq2Ko/cdzOBuRO6JMtgOTN+vVV5LUmmsrY0dkUU2mHh6kHdIDZD2uc46LCN/dRnEw67xFIvGzUWgmGeqHBuwm0UJM9teG0sVn7ijn0dRgifDzIJSrX8CPV/+RkJ4m4b08yiL+gOldb4sl/4iU7t4orcp/MuYH9fOANmSOMLi+D5kv50uFxoJx0Thyq3eqtg== 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=+zAbcQzmgSCCwbMutZ8xmHW7QUfD9A9vBLKczC9VpGs=; b=PXdgQzLRr/NsmNhO/nlXOR5vVUWVUN9hA9qGg/uaoyeESo834q5Pe+uFbgSr34DgQ19o4lMdQgX+KSqGAQMKsmFtl0cTi1RHLn1UoZApgjWPqRetlUqFnx1JADLQnO7v6FeQhSm+jj0jouEESsc7nMTcPP7PEIwp+Oj5WU/vNlXRo3/0XQmidA/gjrUNKfkRX4jgAKREuHjNvH9EfJcK3xIGfcA5nE3KwUKcniykA19eH/TvW06Ts3dl3gOTbBlDiuIFClkW7jF0HeMGuZwsrl8ezQNiSdizZLB8hTtqgokZc2Qbh15nkApLqBhbSr7Jupc2qLhIj160uZ107NHt1A== Received: from MN6PR12MB8568.namprd12.prod.outlook.com (2603:10b6:208:471::19) by DM3PR12MB9435.namprd12.prod.outlook.com (2603:10b6:0:40::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.472.15; Thu, 1 Oct 2026 21:11:00 +0000 Received: from MN6PR12MB8568.namprd12.prod.outlook.com ([fe80::f13:fa29:e7b3:4d3a]) by MN6PR12MB8568.namprd12.prod.outlook.com ([fe80::f13:fa29:e7b3:4d3a%5]) with mapi id 15.21.0451.026; Thu, 1 Oct 2026 21:11:00 +0000 From: Timur Tabi To: Zhi Wang , "dakr@kernel.org" , Alexandre Courbot CC: "linux-kernel@vger.kernel.org" , "lossin@kernel.org" , "ojeda@kernel.org" , "boqun.feng@gmail.com" , "a.hindborg@kernel.org" , Neo Jia , "simona@ffwll.ch" , "tmgross@umich.edu" , "alex.gaynor@gmail.com" , Shameer Kolothum Thodi , Kirti Wankhede , "alex@shazbot.org" , Ankit Agrawal , Aniket Agashe , Surath Mitra , "nova-gpu@lists.linux.dev" , "kevin.tian@intel.com" , Jason Gunthorpe , Krishnakant Jaju , "bjorn3_gh@protonmail.com" , "Alok Kumar (SW-GPU - alkumar)" , "Tarun Gupta (SW-GPU)" , John Hubbard , "zhiwang@kernel.org" , Eliot Courtney , "airlied@gmail.com" , "aliceryhl@google.com" , Yishai Hadas , "gary@garyguo.net" Subject: Re: [PATCH v3 07/31] gpu: nova-core: vgpu: reserve the 48-VM WPR2 heap Thread-Topic: [PATCH v3 07/31] gpu: nova-core: vgpu: reserve the 48-VM WPR2 heap Thread-Index: AQHdTzSXgsS98OFkyUCwVxEirQuNOLbpNE2A Date: Thu, 1 Oct 2026 21:11:00 +0000 Message-ID: <538203f1d7ec5963d57319a32a8e24476c08bd82.camel@nvidia.com> References: In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Evolution 3.56.2-9 authentication-results: mx.microsoft.com 1; dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: MN6PR12MB8568:EE_|DM3PR12MB9435:EE_ x-ms-office365-filtering-correlation-id: 829cd56f-e36a-4ac8-7000-08df20007e71 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|1800799024|7416014|376014|23010399003|366016|22082099003|18002099003|38070700021|4143699003|11063799006|10067099003|56012099006; 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:MN6PR12MB8568.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(7416014)(376014)(23010399003)(366016)(22082099003)(18002099003)(38070700021)(4143699003)(11063799006)(10067099003)(56012099006);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?B?UktPTU90UjdiNkkvdHB4NFJSa00wUDM4cm02WFN6bngydjE0bit0UDFTM3pi?= =?utf-8?B?UG5lbDJmN2FndnhLY2xYNGhQK1FjaXVUcHoxUG5xUVN0ZHlpdGRaUU9MU3l3?= =?utf-8?B?QWpLUjFCV0t5ZlZoWVJRWndzeHFsd0U1dFFtd3h2b2sxS1Z0WENsVWFETnBK?= =?utf-8?B?TmhGei9OR2JaVllMNEpwUHFmSkJmZGpLUVhjVU91NnYvY3o5WXNaUXBuL3di?= =?utf-8?B?M0dQbWgxSERuTXVHYnYyTjBBN1NpRmE3RjRsdGdMOVdCQ244RzRjZWJxeEtR?= =?utf-8?B?U2Ywc3ZueitTQTFoenZwQ29rODdDODlkbmk4cEFMcFJlbmFNZEJwQkhUR3E4?= =?utf-8?B?a1JqS2VqMDBWY0JIOWNRaG5OK3lMTEcyQkI1VVFvOVN6NEhHYjVTaWpnWnhV?= =?utf-8?B?QXFwSEV4QVFqenI0d0VhenQ3aStNU05lYnRiQ01vT3p1YUltMjJPcHgvR0sw?= =?utf-8?B?ekc0RTIvSWF0c3MyZkhpV00yakx4eEJaUDNYV2tya0h5dDhPZjZKc1hyUkZY?= =?utf-8?B?QkE2STVvOTlwUXBpd2t4NGVVSFI2NW4wYTVKdHhzRG95enhzaktlUlBxb1J3?= =?utf-8?B?REZsMnM5cWE0NlhqeVRHaHpoYVN2NlVNOERvcnRsUzRhbER3a3hGOS9MKy8v?= =?utf-8?B?QThFK3lOcFc5UUpqVlNIeGVIS1J5TWg3YmNMRnVURXlKT1NJaEhnTDE2bCs0?= =?utf-8?B?bW51bmV5NjVhdG94SjN5em9ZeU9Hd1Z5WFRZZENIVW9xM0JYRnVPQ29uRGhG?= =?utf-8?B?RzN1MXhwaG51cVdKdkJYbVNib01qNU9PUmNPaDBIUWlMQXRMeTl6b1N4S3Nm?= =?utf-8?B?YnNROWE0bmtJQWNmd244Y2dRRHBuYnl2b21YUTFja0N5KzdjaW01WWF1cW9Q?= =?utf-8?B?MUt4WGw0OFFCVXBMY1lvcHRPckhWVC91c0toYkl1a1M5bEhlalJhaFlRUXQv?= =?utf-8?B?cEM4YzdGaVZZOGNtVGZIamt0Z0R4bnNUSTF5OHlEdHZWUFFlUFArRVlCTVNZ?= =?utf-8?B?ZXYvVyswcjhlRFdDZ0ZtMU5ENEJPd0VUYkNtVm4zSzBHYmt2OExWbkZXRW0z?= =?utf-8?B?V2VqNG1DMHFuZWVyck1rUCtDcUN2c1J4aVlFK1VNeDNZTDdTaGQ2Q1prWUN0?= =?utf-8?B?Rk83KzJwcG1kV0V3ZHk1L1dock9RNko4L2xyWWdBWjB1SDNuclNvYWFidTdR?= =?utf-8?B?cWd0dzdSczlEeEs0eUxDNU1NZWptQllEMUdFcE5CZzA5dlQxT2V4SkhadXZH?= =?utf-8?B?YlE2TENYeDU0Nlp1c1NGWjgxZVdod2VEQ2pQOXVZaXMyM3ZGazc0MEhEZVBq?= =?utf-8?B?N3J5SDEvamQzVjcyZGxLeFA4WDZ3d3dCdW5GalVvNkRsQ3JNSjBIbnpaNFJm?= =?utf-8?B?WXloT3JVQktmK21uNW4zREY1UDdIQ3VOOWZGcDJzU2hKMG1BYXM5S2ovYjVs?= =?utf-8?B?U0F0Qzk2NU9oemVlMlJFWHZTUTRPQmZ2c2thMDQxQkNDbEY2d1NFK05reDRp?= =?utf-8?B?NFFQRlpZYmlwaFFCcUxOZHV3SnFxYjhZaDVBNUFDSmMyN0RFVVF0VWN4c0Jm?= =?utf-8?B?Q1N6U28vVHlnUm85d0xOeEppQ1RUOUI1Z0pmQlhRN240NXMvdlhBb1NDSUhG?= =?utf-8?B?dW5EZG9CdFkrUlQ3aENvSGQ5cjd3M0czQnBKN25FZGNqQ2dBNm9JRkZjSlAx?= =?utf-8?B?SEkwVTJPWlg3OEp0U0JoSWRvbW9pY0VvVmJCN0p5Y2xtc0JUZ1ltTUJoZnZZ?= =?utf-8?B?YjZDUmM2MUpFSjlOd0F3aHE0TG1LdUZNbldYSkljbWZ6bUFjUG9uRy84eVFN?= =?utf-8?B?WUU3UmU5Z2o0K3JndjkzZVlpOEZldU9vZXdQa0M2Nk5Idzh2dGRRbUUyMnZ4?= =?utf-8?B?TmozQjQ4dklNTkpPay85emNhb2UzanBFR1dyakllVGh3NEE0aVVyK0FBQWcw?= =?utf-8?B?VUtmVVEvdCsxY2UrM3NNUUpDZXg0NzRpK2pMcWk5dlFENi9rUW92aDJnYnh2?= =?utf-8?B?ZGVIMDU5NHQ0anNOZUdYc1RPdExHRGNvcUJSNnFaOWwvV2JRVWR1NjBlbXZC?= =?utf-8?B?UkMxVlRwY1BVRHZPbjBNMTlucnd2N25ZczRSYThRVmhRWmRiT3kwWU5rdHpZ?= =?utf-8?B?Wm1hc1U4dlZmdkZmbjVBUStrUVhaN0ZNWlZaVUxGLzIxK2dKVm1hd3FsMkdt?= =?utf-8?B?NXJzdHcybjdFRTcyTTVmVWJxSDZ1MW9WNXh0MDZISElEOXhWUXRtVzZ0TGRO?= =?utf-8?B?dVlYTkZKOExRTW5kVzh6M1dsVEFkUkJ5MkNoQTl5UENmWFFTR1lueERrejV4?= =?utf-8?B?d0FObG9zYjMzWGNGUFZoZlgycTZzZXFqSVN6TndybFRxQzJRSDlUQT09?= Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: MN6PR12MB8568.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 829cd56f-e36a-4ac8-7000-08df20007e71 X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Oct 2026 21:11:00.3281 (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: eyToeckm3f7CE/9QedElYN2bLN8AmeA8rzO78Zarw7pXK7Sj3AdsJwE8w9s/rhmWzezrdtZOc2RE0At0quqctw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM3PR12MB9435 T24gTW9uLCAyMDI2LTA5LTI4IGF0IDEzOjI4ICswMzAwLCBaaGkgV2FuZyB3cm90ZToNCj4gDQo+ ICAgICAgLy8vIFJldHVybnMgdGhlIFdQUiBoZWFwIHNpemUgdG8gcmVzZXJ2ZSB3aGVuIHZHUFUg aXMgZW5hYmxlZC4NCj4gLSAgICBwdWIoY3JhdGUpIGZuIHZncHVfd3ByX2hlYXBfc2l6ZSgpIC0+ IHU2NCB7DQo+IC0gICAgICAgIHU2NDo6ZnJvbShiaW5kaW5nczo6R1NQX0ZXX0hFQVBfU0laRV9W R1BVX0RFRkFVTFQpDQo+ICsgICAgcHViKGNyYXRlKSBmbiB2Z3B1X3dwcl9oZWFwX3NpemUodG90 YWxfdmZzOiB1MTYpIC0+IHU2NCB7DQo+ICsgICAgICAgIHU2NDo6ZnJvbShtYXRjaCB0b3RhbF92 ZnMgew0KPiArICAgICAgICAgICAgMi4uPTMyID0+IGJpbmRpbmdzOjpHU1BfRldfSEVBUF9TSVpF X1ZHUFVfREVGQVVMVCwNCj4gKyAgICAgICAgICAgIF8gPT4gcjAwMF8wMDo6R1NQX0ZXX0hFQVBf U0laRV9WR1BVXzQ4Vk1TLA0KPiArICAgICAgICB9KQ0KDQpXaGF0IGFib3V0IGlmIHRvdGFsX3Zm cyBpcyAxPyAgU2hvdWxkbid0IHlvdSBhbHNvIGhhdmU6DQoNCgkxID0+IEdTUF9GV19IRUFQX1NJ WkVfVkdQVV8xVk0sDQo=