From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 46DFA2248A5 for ; Mon, 9 Dec 2024 12:28:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=140.211.166.133 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733747312; cv=fail; b=G/2OYZe35Ai5u6Mt9J7jtW40l03ia/Ht72ZjNrCvCB8UhlCND6uBwix8yZrTMtepQKqpOk//noywpuTCo7d042IoIYeJUOWOCj7GWqKepwODTuVL/aVZKhMpJs8nkh+OZfFRn+IgWkb/VMJjD1DTV7CFuBQLfJWqAWSX1fzX+oE= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733747312; c=relaxed/simple; bh=dTmIEXU64aMAybJJAwvoqTVnGoXVUaToMg7pi3V5ykQ=; h=Message-ID:Date:Subject:To:Cc:References:From:In-Reply-To: Content-Type:MIME-Version; b=Pxii8zDoU85mfO4LQ2AN8qXNLSbbHacitIC/6JX2GCpApwTUgDWT5GfLTkhQ7PSxY1oOBGNeZwr4oA5hu6CSqHcj+0+ccquwMVgp96jqD4WV6/GTMY0xCg6Te4NikBwyIuqrdSN74D7C7klKhNe2+cpO3cDJritxVqdUgdB2VK8= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=E0dzUGWK; arc=fail smtp.client-ip=140.211.166.133 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="E0dzUGWK" Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id C032C400DD for ; Mon, 9 Dec 2024 12:28:30 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org X-Spam-Flag: NO X-Spam-Score: -2.103 X-Spam-Level: Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id jAAhj8GqSmdH for ; Mon, 9 Dec 2024 12:28:29 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=2a01:111:f403:2408::601; helo=nam04-bn8-obe.outbound.protection.outlook.com; envelope-from=christian.koenig@amd.com; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp2.osuosl.org 7957640A35 Authentication-Results: smtp2.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 7957640A35 Authentication-Results: smtp2.osuosl.org; dkim=pass (1024-bit key, unprotected) header.d=amd.com header.i=@amd.com header.a=rsa-sha256 header.s=selector1 header.b=E0dzUGWK Received: from NAM04-BN8-obe.outbound.protection.outlook.com (mail-bn8nam04on20601.outbound.protection.outlook.com [IPv6:2a01:111:f403:2408::601]) by smtp2.osuosl.org (Postfix) with ESMTPS id 7957640A35 for ; Mon, 9 Dec 2024 12:28:29 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=t9jWmPfEe8i1V9BuJJ0MpOMhVQ6PeK2yk5KaX2xxw9DNCWAkilSBzuLonWEsOLY3mOdJ0Xx6bNckplfE0bxwpTcYBClaBhK4evnHOcfIEb1B8iyOmh+mhv6nynkakXmzlqv4ihlEoHwunrpv4gCMb3+TQqeSTe9h8jv3TclsH2Hi7j91sOMywfvUMvj03q00yqVuNzryCvLh16Yakkx52xMinhpxk/2/Gnb1NvZre1vlVw9jAOrSCTpNXwgVulEfj9s41sfE9yho8ntMK5HQugENRgtytPA+yIRoD2XGTGMgcqpBHMXKFLIu7NmRBB7IIldPSm5EKO1d/goziXy1vg== 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=U3gXwbLF7ec4E+qCH3HUJ9Yzg2Nirswc69Reb7raWrU=; b=v01uS9IZPdpWbIuU6t13VbzJALPAyUiWIUbIXR9Ra/KsmIWxoWABtYa6fiF2hsSefTLdDKkd43lvCqkHJLmxbZPKjMa1VuMbyBVXvFf2IwY7cBZX2FTNQVtZQb6vgma7fhMpRQzasCecmN5uOUwzQB34JqABVogbFd16TRQ+3t5omKQXaSlOLecVoSUZB3ml4J9Z/GmMGJ1wdG5GehGxecnO00DMMZfKqNsGK+Yi3ROzRx1ZyjX/i1SHIDfhcXJnhStXUmJyq7Av6yeb4l5D0pvYQoBXDcDRNaq6yJXs5q0l8PfDyqV5SlS1XTeUfUfYwTkXjAi4HuJf/7XtFUFCoQ== 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=U3gXwbLF7ec4E+qCH3HUJ9Yzg2Nirswc69Reb7raWrU=; b=E0dzUGWKwESCWA32waB9aTThOByKS5ULXygacoklpkmk0SJ0klqPMEwn7pneITw6ZP8oX/kM6TVeTfHWPtW6WGsXHkcYI5s5bMFP2Vb3n9o7RM9oEZ2CE8+OtK6Tk68p7K1i6hKVsSnK/ki0eBZEXncIxu8qxiLX0fScbpFBBuo= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from PH7PR12MB5685.namprd12.prod.outlook.com (2603:10b6:510:13c::22) by DM6PR12MB4266.namprd12.prod.outlook.com (2603:10b6:5:21a::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8230.11; Mon, 9 Dec 2024 12:28:26 +0000 Received: from PH7PR12MB5685.namprd12.prod.outlook.com ([fe80::46fb:96f2:7667:7ca5]) by PH7PR12MB5685.namprd12.prod.outlook.com ([fe80::46fb:96f2:7667:7ca5%5]) with mapi id 15.20.8207.017; Mon, 9 Dec 2024 12:28:26 +0000 Message-ID: <36aa77a1-7a72-4cf4-850a-210e6f7f266a@amd.com> Date: Mon, 9 Dec 2024 13:28:16 +0100 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] drm/virtio: Implement device_attach To: Julia Zhang , David Airlie , Gerd Hoffmann , Gurchetan Singh , Chia-I Wu , dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , xen-devel@lists.xenproject.org Cc: Alex Deucher , Daniel Vetter , Chen Jiqian , Huang Rui , Penny Zheng , Zhu Lingshan , Anthony PERARD , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Jan Beulich , Paul Durrant References: <20241207105023.542399-1-julia.zhang@amd.com> <20241207105023.542399-4-julia.zhang@amd.com> Content-Language: en-US From: =?UTF-8?Q?Christian_K=C3=B6nig?= In-Reply-To: <20241207105023.542399-4-julia.zhang@amd.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: FR2P281CA0103.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:9c::13) To PH7PR12MB5685.namprd12.prod.outlook.com (2603:10b6:510:13c::22) Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH7PR12MB5685:EE_|DM6PR12MB4266:EE_ X-MS-Office365-Filtering-Correlation-Id: a99ceac9-f966-4ac2-a6cd-08dd184cfabb X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|366016|376014|921020; X-Microsoft-Antispam-Message-Info: =?utf-8?B?aUtSZzBNUllkdmtxWmdMczZRalZsU3BUSnlCYTNvaGtKNkFVM0hmR0s5a2p3?= =?utf-8?B?a1p6YUZ6ODlkWFZrYzN0OUo5c0o5Nkl1T2MvWmZuREFRS1FmTWpNMVRqU09o?= =?utf-8?B?ckZYWXE4U3ZOdGRoeEIxdjIwNHhyak0vRUpMcFNTclJXTi9sVmF5OCtsWldr?= =?utf-8?B?bTk5UUcrTDBHUE1IOEFXODZPVnVNYXZsbGZOWjhVMTFwYWlkUTlLb2Q1bXNs?= =?utf-8?B?OGNhVjlhRlVaa01VOStpNlJmaTB1UjJNSVRybUZ2TmFJNEo3NXVSZlBzeWtZ?= =?utf-8?B?N1pIVzhCVWJ2MG1HR0dXM1R4dVk2b3pGOXRsWHlzWmpPdkpFcXpxb3NhM1A4?= =?utf-8?B?ZkVjK3RCRml5RUI4eFZqekRYdGdDUVAwelFIelpyRXUvMHJPRUJpNklkd1RP?= =?utf-8?B?ckZJNCtBUG5QejBPZGZ2dE1oVC8rQWlLaS9JQ0E2OUpheDNyNDZKR2RjWTF6?= =?utf-8?B?U3VMQlNUYlZsajFva2dTa1FLMW1WNENTZHAvYXVScUd2c1RzSXVPSXlWS1I0?= =?utf-8?B?VGhlTktRMjdrRUxRdElYbXNOVWNBOUhjb2dlWnVZcjNZV3BqWUl6TDc2TjFP?= =?utf-8?B?VnBDL0F0THRZeldBWWltMlovRVFaZE9IMG56NkRqQlJBYVNISVRpMndxVkRa?= =?utf-8?B?VmhrMHlOd0wwQ3Bzb3FqQmw5NnB1NDA2dXJUTDhTaURmcVgvb0dXYW5DWXFW?= =?utf-8?B?ayszakx3RXQzM1ZkaDExcjg1YmRSbXRNZFM4Y3o2ekNuN1RiU25IeEJiQkVl?= =?utf-8?B?OSszY1RKR1E2eHdlMlhDeVp3SjFNbUdqNzRDeWF6WDQ2NmFHK3ozMzRlVnVD?= =?utf-8?B?TFhZaE1aTzFIOG12NHVNTE56NGZpaXN2dWd0MkZPUFhwME0zQVhrN1lXaUpZ?= =?utf-8?B?WStueSsvS1E5QTczbHZ3WGNtVWV4Q2tUVFNNcWVIN3hVZGs1cytaZGhXWDNw?= =?utf-8?B?d1dIZFZCUHZsU2pkNnFETWIrdDlUVDVoNzFWT3FUM2ljWGhNK3ZBaVZISnhX?= =?utf-8?B?eTg2RzR6dVpnS2tSZG1oZUhwMFlSbjdndDVtSndpcnE0K3NYajRRY0s1SHVC?= =?utf-8?B?T3JTQ0xDK2ZjcjhlUVoxOVEwNDJEbkc0elE4MWt3dEJtWEQzV3JPMjZxeUF4?= =?utf-8?B?TDF6RWJwYlh0djloS1VPT05tZC9RKzd5Wng4SlovOWlUUVEvQkdrQzJYbEdo?= =?utf-8?B?OEJtYnc1NFRXc1h2Y2Y3QnhpS2dHdUxyUkF3aWdmNmM4UEJIMVFyRDJzOGQy?= =?utf-8?B?b05hTHBYTkN3L2J0WGxyY0FFWUE3WEgwbmtoMk5lN3I2SCtubWpmMTNJTExj?= =?utf-8?B?dTZLZFhEUzR6QVNSYWlRVHVXanFHckt3SHkxdHVkcCtVbi9RWFMvYzhrTkgx?= =?utf-8?B?ZHNIYXFtT1RNOXUyUW9XZUF6a1lkaTByUWJaRTRBUjJSVFhTbVJzMXp1ZEJ2?= =?utf-8?B?UUh2VmxGa1VkNFJ0QkVsSGJOODhFalloeVVWNEUyTE1PRFJtYzFLNzZWNzA1?= =?utf-8?B?Mk9rZmVVMG9Fa1plK3BicDZPbG1icE1RYSt3WnVjalNBQlVObHBoOHgxdGRK?= =?utf-8?B?V3Bha3BjODZRUFM3RDQwa2lONHJibllZc3drRXdyamNpbDdnRjdvRmJOY1FQ?= =?utf-8?B?YTVZWEZLZVdTbWVNS2d5aDMwcWszWktQNVlNSFZxTGk2eUZvTjdUd01wTGk0?= =?utf-8?B?MDJoSjZGZE5DN0dNeEFPUnR6dmdkTkkzcW54eWN4VVZqY1k4aERTckVieTNa?= =?utf-8?B?SXV1Tzlsblpna1dWcjhCeXhoZENBU0FOWC8xaHV6TlkwU2p3SVRRODdTUWhn?= =?utf-8?B?NkljTUJFbk5JUHplTHROVEFETEpPSmp2N1pad1lWdS9vWnpIRXpkYS94TGZt?= =?utf-8?Q?VX4HN+C1VTNvR?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH7PR12MB5685.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(7416014)(366016)(376014)(921020);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?aEZGMzJ1V282K3hVZ2Vzb0EwYjNZbEZiNUJZZ2dOS2RYa0FwcnlXSzJ3SmhX?= =?utf-8?B?dFcvcU5wODB3TW8xdFNGTFc0N0VtU3czSU1mRnVLZVREd3djd3J6ekd3S3l3?= =?utf-8?B?SU1XeE56UkxMZ2tvRXg0TEpQcEVOQ0VPZUN3WUF4b3B3b1pDZ1lUTHdacVli?= =?utf-8?B?OFBQb2t1ZHVJWXc4MjhXWE8yRHE2QWs0SExSRFZJdWdRLzhnUnN0cmhqS3ZU?= =?utf-8?B?eDExM2EwSTRVd3ozemxIckdRRmx1NTkxOXl3ME9SOGhORUZuTitUUmR0OHhJ?= =?utf-8?B?aCtCTVYya0xSQ3didlE1Ty9HYnBnSUpwK041a0dWR2hVT2E0ODJUVUlXWUtt?= =?utf-8?B?SS9taDZVZ01XR2d2TjdhbjV0UWdqdUkxeStKNTRnNWM2VUlBTTVRTEJRb2lR?= =?utf-8?B?bkxMcnphMWlVK0hCM1A2Q3ZZQUk0MlVlYW1YOExwcEU3WUMvQlJrWDFEcURl?= =?utf-8?B?VEk3NWNpK3ZOMHl6U3pEOStyTUthZWJmL25xWlhiUXkxbWhIb3RLbVFnN0NW?= =?utf-8?B?QTRNcTRrSmU0UEMrVDBuUnFORnVuSlFKTTNJcnN0ZFNBcnkvaHU3Y25TSElM?= =?utf-8?B?bzFwZVJSeWc0L3M2VDlnbVVwR3dCQWloelFDeDg4bDZGbWJmMjkvOFZXQU1l?= =?utf-8?B?T0F4djJsZXY0QjhWei9rTm4wY2FrQngwV1RJUGFrcTQ4NVEyZ2pYZmNOaUd6?= =?utf-8?B?dXhQbFExMmhYYXZKcTBDMVJIcjliNTVjT2dwYWxNTFBCRDZQVVVjR1cxanRO?= =?utf-8?B?RVZvZmtnT3p6dll2ODBHdWNsa2lvYmptR3RqcUhwUVdzUW8vZXhHeHZ0ZFdO?= =?utf-8?B?Vm5QOFZTMTIzU2V0Tk4vckkxL0x3QVhGMWhqcms0WnJEaDhydFNpMVhuc0Zj?= =?utf-8?B?djM5SjM2MmVXNzduUGx0a1JTNFo0THpmTElSRXMweXFVVTFCWjBnNkNSbU9k?= =?utf-8?B?RXJBdmMwTDRINEVoKzU0VW90RElaYys2cU9Mb3hhT1hRY1czem80R1VhZWxh?= =?utf-8?B?VUxPZ2xsazZMTHRPNS9SZUhDUHBXUFhUbjV1VXdVT2lWTlBRb25FbW1CUWJ5?= =?utf-8?B?OVdrcXFJY00rRzRWN3RYZnBjSHBhUXlobkhTQkF3azFKTEsxTmpBSW9WUUVE?= =?utf-8?B?Vms0eSt1dU90Z0doOFNZcXZkUDBoc1hKTUlPeGhmNzg5bFJ0VUdvQlFrc1Iz?= =?utf-8?B?N2Myblk5MkltVUtUM0duZmlMaHZsUlFwdVRPWkt2R2UzZWU5dzRacHN0U3hE?= =?utf-8?B?cSt0YjlSV1REVDhXQUZxU0pNZTRSRHlnMkNsRE5CTXYybzVIUnFpQituNjVN?= =?utf-8?B?Uk9NZTZUQnNybWViTWFpcXRnZzl0Q0xPVDdHcHFGUnlMcnRhaUdKWCs0a0J0?= =?utf-8?B?amVFR3hPdG5UOWdMb0NMSXJ5bzVNeHRqckpqQml5OTVkTkhFdkFLUmpwd09p?= =?utf-8?B?UWlYWFZGdFF1eDVjQVhHcCtIa0NJWjVlL1JucmJzL2U3WG52eHdHY1ZKbndk?= =?utf-8?B?aFdlelVqekpZSENFc0NlY2puTGtwS3pwU0h0Q3MyZXVDVEg1RlhZWmY5UEdv?= =?utf-8?B?anBvNU1UT29RV1dlSFNYVDJsc2lFT2VXNUpqUDl3UkR1REw5dUZYOW5iV0xG?= =?utf-8?B?ekpsa09tR211MFErRm1sejVhenRFTzVlMUg0SnRBUS9DUjJPOUxmaW5sY29S?= =?utf-8?B?cUtZVlcxUjVIQ0ZlSzBubUFjMy8wRjduMDY2Q2d2ZDVXTElCTC9HcHFlU1Jw?= =?utf-8?B?bUtMb09mYWllaUQ2WHFKQ1VmdWZEUnpHclcvMDBFOTkwY3JvVHQ1Q2xia0R3?= =?utf-8?B?UHJhdmtJS3JYdGxxS3M0b1AveGF5ZjE2NUF4Q281dW1SQm5Lb1JYaElQQzZY?= =?utf-8?B?V1JVSWcxSjQwV1M3VzVORCs2MUpzVUo5SGRxMkFFajNRMm5tOGZQbGZjRWZn?= =?utf-8?B?b3Y1U3hYTXBoc0M0MTM4eVJKRmRnMkNhMnpVNDJKVDVRZkZTUDEvSVVza1k1?= =?utf-8?B?RkRBZFJjYWZEVVk1QWJFaDFnY1Q0czJUVHNTdkZJVHhrVjhVanZITWRLYStz?= =?utf-8?B?em5OeDhneThSa1ZRcDcrcVF5UGpOM3IzS1RFMEFZMnJycXBDbEp2NS9WbnVI?= =?utf-8?Q?1Si7K9dvCFl7rbuaq/UwDDk5R?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: a99ceac9-f966-4ac2-a6cd-08dd184cfabb X-MS-Exchange-CrossTenant-AuthSource: PH7PR12MB5685.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Dec 2024 12:28:26.0910 (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: Y8vxxuHrWl3xKqjQj6hmnK6KwGJoAvtZS/wTC2xPE7wBsqVY/shgS6CENsL6qbdJ X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4266 Am 07.12.24 um 11:50 schrieb Julia Zhang: > As vram objects may be imported by other gpu drivers, peer2peer flag > should be checked in dma_buf_ops->attach(). This reimplement virtio gpu > dma_buf_ops->attach by adding a device_attach() function for virtio gpu. > This function will get pci_p2pdma_distance and check attach->peer2peer > before calling drm_gem_map_attach(). > > Signed-off-by: Julia Zhang I can't judge that virtgpu or XEN code path, but that here looks like it should work. Acked-by: Christian König > --- > drivers/gpu/drm/virtio/virtgpu_prime.c | 14 +++++++++++++- > 1 file changed, 13 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/virtio/virtgpu_prime.c b/drivers/gpu/drm/virtio/virtgpu_prime.c > index 4960620eba02..4f6bce79e10e 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_prime.c > +++ b/drivers/gpu/drm/virtio/virtgpu_prime.c > @@ -116,6 +116,18 @@ static int virtgpu_get_p2pdma_distance(struct dma_buf *dma_buf, > return 0; > } > > +static int virtgpu_gem_device_attach(struct dma_buf *dma_buf, > + struct dma_buf_attachment *attach) > +{ > + int ret = virtgpu_get_p2pdma_distance(dma_buf, attach); > + if (ret) > + return ret; > + if (!attach->peer2peer) > + return -EBUSY; > + > + return drm_gem_map_attach(dma_buf, attach); > +} > + > static const struct virtio_dma_buf_ops virtgpu_dmabuf_ops = { > .ops = { > .cache_sgt_mapping = true, > @@ -128,7 +140,7 @@ static const struct virtio_dma_buf_ops virtgpu_dmabuf_ops = { > .vmap = drm_gem_dmabuf_vmap, > .vunmap = drm_gem_dmabuf_vunmap, > }, > - .device_attach = drm_gem_map_attach, > + .device_attach = virtgpu_gem_device_attach, > .get_uuid = virtgpu_virtio_get_uuid, > }; >