From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=pass header.oldest-pass=0 smtp.remote-ip=40.93.198.24 ARC-Seal: i=2; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=pass; t=1794501996; b=3IkfNnAW1aNni5er4mwrqbCcJbcb70rFhyc5yanqA19uBlVl+ZyXDjrM7a9I5nohA+JV mTYGtXNNDBh4Fbdh0W9U3+XxiDeJLC15fCiFcCcz4pMnfh78j8c5hec9XmKC6k6r5Tz4h iGiPTDEX442M9Vt4+DGPW1aQblCBffD+pKy0bvaF33Sl2jeDVehFKmcRCMrQPB7wdHZtQ Jz9zhg05k3XOxUP3r17OdejE/3h/sgNHyKKJOfgeYmSpcSxUlECo/ex7mIjj0sbqwcu8r xlJlkN18qHkc8Y5/ZYHdrj/+aUtFwUvZqSRFp88bUs+YlhxkWNsd51Pm/XnoKvvLCrg== ARC-Message-Signature: i=2; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794501996; h=DMARC-Filter:DKIM-Signature:Received:Received:From:To:Cc:Subject: Date:X-Mailer:Message-ID:In-Reply-To:References:Content-Type: Content-Transfer-Encoding:X-MS-Reactions:X-ClientProxiedBy: MIME-Version:X-MS-PublicTrafficType:X-MS-TrafficTypeDiagnostic: X-MS-Office365-Filtering-Correlation-Id:X-MS-Exchange-SenderADCheck: X-MS-Exchange-AntiSpam-Relay:X-Microsoft-Antispam: X-Microsoft-Antispam-Message-Info:X-Forefront-Antispam-Report: X-MS-Exchange-AntiSpam-MessageData-ChunkCount: X-MS-Exchange-AntiSpam-MessageData-0:X-OriginatorOrg: X-MS-Exchange-CrossTenant-Network-Message-Id: X-MS-Exchange-CrossTenant-AuthSource:X-MS-Exchange-CrossTenant-AuthAs: X-MS-Exchange-CrossTenant-OriginalArrivalTime: X-MS-Exchange-CrossTenant-FromEntityHeader: X-MS-Exchange-CrossTenant-Id:X-MS-Exchange-CrossTenant-MailboxType: X-MS-Exchange-CrossTenant-UserPrincipalName: X-MS-Exchange-Transport-CrossTenantHeadersStamped; bh=ugRjqWRs7okEjqsQF0pwx3WV2aiCHkmskycccrDr4oA=; b=TlJW0CyVJ76JmiBicwmR//bAsNFpjbsHsdiHGiunNEOITMfDfK6Oselei2Q0O9vrJbOi jO1cRxya9MhBeK34+/8fyqIk7X1cwnFQmg1HlrCom5Gm/Mj2k33IvjgQoCoPzcGQah46y vDRXwpcPIubevsGa1urQdG1niMISE7KI9NzkAPRQRJfrJ9CYlu+c9F9sH9618nA7vsgLf BR2HpwVfmMj4YWf5iKfe+T3tcne679clURAp5j4elcNZnr1x0lk0EyDp/u8DFku6ygf2a JWaBi9N+Fg3NkMHptibmMsF+k/wOLguEz0jO8SZmN+vgDlK1F/6GTbLm89rOeg58Evg== ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass header.from=nvidia.com; spf=fail smtp.mailfrom=nvidia.com; dkim=pass header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256 header.s=selector2 header.b=nrO1t5T2; arc=pass header.oldest-pass=0 smtp.remote-ip=40.93.198.24 Received: from CY7PR03CU001.outbound.protection.outlook.com (mail-westcentralusazon11010024.outbound.protection.outlook.com [40.93.198.24]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (secp384r1) server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9467F606A330 for ; Thu, 12 Nov 2026 16:46:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9467F606A330 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, unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256 header.s=selector2 header.b=nrO1t5T2 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=jaUlz3YMFsFKMsramlKF6W+UMo02pvAbD55V2UCgm2LC6S2Z+1VFkmwnfmMAYEcJkHsJ0Bmxa0H/tVYJs+da2h8wvyJcbKKjmhUDVlBypKwYS7q+S159nJBtkHqI9rRQk+r9gmJn8PD7DBGF7Pj3A+cWKFcTFXn9OplOlbR7Fq3DxMZla9ey9D7kE8Uyn50euwqlUQP+CeHaxhiwhznCsQDGVKjifMUl0mn5oBALbaLegeLBioOxr//G4Or7zB012U6dDl/B9fpsozyGPIZbeJW841XWhapd8SFeRrvI5BvvXdcZRUBysUR3atgORtn09biiAe7qUw1zBkaJeRiHlg== 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=ugRjqWRs7okEjqsQF0pwx3WV2aiCHkmskycccrDr4oA=; b=QjtMjU9sGthqRKDm4VBf6IGwSjkksr7ZLu4WJcXYbdZUmkYlfiJMEZGSYouLYTY468nAWBzHBJDSGYf+b/0CSJgaELto/SQ/e9B2CRwkGHKLBqGw36KN8LwobSoWohO8qODQCIahwKgSk5jW/bBMqMZtSVNJFlS+Va+62Zrw88KyuL2NXLiCIj0swhMCmD3e1CFM2nypBmX/l8f9acbWjBZleDKQ/ElXwmfltDmW7GcfG4mZUS91DbGq5oHMow1ItTeKE/QuaT2PSaagpg5JKNqotGlls8eb1JUqmgnDjPzMZ4lQwP9/Q0nfi4eX79ppQTcY5E1hz1YiMul9CwEIDA== 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=ugRjqWRs7okEjqsQF0pwx3WV2aiCHkmskycccrDr4oA=; b=nrO1t5T2dyftoAFSsIztK9B4QVLkeCKCYzm6ntwC6fHZolPqFRidsFn5WkoPqMwP9G8vNoJmkGm9BT7kaceyDX1h53u8QupAHCQJr4Foy9JL8EGWT3JedRGUyYkwVE1+AbtxXM624jmvR0lEoqnSFu890WWRUy+FQsH50fSNG3awGa5DiQwm7ZDLdI6x567oOzZhP2Wlw1Tmmss3WsNBu1YKtoZuGK4N7a9b8hx39PPnId07wzB0+lFpxp4NBhDDs9RM0qHayPr9jtPaPQkbeo4Odqb9t1uqfX9ypfHcLKab6HAap9jAeBJ15WvSrYhRCETqKkoYc6d0/MQoTgOWXw== Authentication-Results: mx.microsoft.com 1; dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Received: from IA0PR12MB8374.namprd12.prod.outlook.com (2603:10b6:208:40e::7) by CH3PR12MB8356.namprd12.prod.outlook.com (2603:10b6:610:130::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.615.10; Thu, 12 Nov 2026 16:46:11 +0000 Received: from IA0PR12MB8374.namprd12.prod.outlook.com ([fe80::d85f:4c87:ae84:3f16]) by IA0PR12MB8374.namprd12.prod.outlook.com ([fe80::d85f:4c87:ae84:3f16%6]) with mapi id 15.21.0615.007; Thu, 12 Nov 2026 16:46:10 +0000 From: Zi Yan To: =?utf-8?q?Mika_Penttil=C3=A4?= Cc: Alexandru Elisei , linux-mm@kvack.org, dri-devel@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-kernel@vger.kernel.org, David Hildenbrand , Jason Gunthorpe , Leon Romanovsky , Alistair Popple , Balbir Singh , Matthew Brost , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Lyude Paul , Danilo Krummrich Subject: Re: [PATCH v17 00/12] migrate on fault for device pages Date: Thu, 12 Nov 2026 11:46:07 -0500 X-Mailer: MailMate (3.0r7038) Message-ID: In-Reply-To: <61e5e0ac-dfe2-4a5a-afee-873523df18e5@redhat.com> References: <20261103061629.972669-1-mpenttil@redhat.com> <79f33ab0-2e43-4efb-94d0-addaf40745ec@redhat.com> <3A5BEC5A-BAFA-4541-8ACA-43E57C7DBCFD@nvidia.com> <61e5e0ac-dfe2-4a5a-afee-873523df18e5@redhat.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-MS-Reactions: disallow X-ClientProxiedBy: CH0PR03CA0239.namprd03.prod.outlook.com (2603:10b6:610:e7::34) To IA0PR12MB8374.namprd12.prod.outlook.com (2603:10b6:208:40e::7) X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA0PR12MB8374:EE_|CH3PR12MB8356:EE_ X-MS-Office365-Filtering-Correlation-Id: 7a55e315-36f9-4489-13b1-08df40dc74b8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|7416014|376014|366016|1800799024|261009223027099003|10067099003|11063799006|4143699003|56012099006|261022105027099003|261026140227099003|261028144727099003|261026121527099003|22082099003|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:IA0PR12MB8374.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(23010399003)(7416014)(376014)(366016)(1800799024)(261009223027099003)(10067099003)(11063799006)(4143699003)(56012099006)(261022105027099003)(261026140227099003)(261028144727099003)(261026121527099003)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?dlE5bzhZRGtzZWJUVU1GMjY3c0cyajZEYkVsdFdmM0NBK0QyTDRQSUN2OC9I?= =?utf-8?B?Z1lad25tNXFCZVRFRTFYbFFxcDlqSTRJYVFKWkYwL2hjR2dPYTBvQ2dKdzBG?= =?utf-8?B?cHlVZzBTOVBZK1p6WVZCYTJKTXN5WnpMRmdqdjRGVjRVdFdxdzZLSVg3azJS?= =?utf-8?B?Y3JkdktXeE9BeXZFZ0hWdldVTmZBV0J1YnZ6alJkWlZ3amR0SkpxNzNpWE55?= =?utf-8?B?bUNKZ2luRXh0eitYMlVnYmRKUjllK2pqeTBIbjNFdERrM3VvRmZRQWxIazl2?= =?utf-8?B?QWttOHh3U1hHeTV5RHdvL3ZqQnI2cjgzRkdwdEtiQk5kWjFiMWZwNHZEOURs?= =?utf-8?B?bkNEQ2d1Tnh0dkUxd1A1SVprOUpRRHIxZGpaWnRWdVQzZzhhWXV0b0lHKy8x?= =?utf-8?B?KzFESDByNTNVY0tIRGlBZWd2VzI2cFdnMWZYRUlHNm1vMEVnWHFFZDF3WUR4?= =?utf-8?B?anYvaG1DdU52REpxQVNVSDByc3F3QkE3N01tcWNmVHFyeitIeDhqNXRvcUpM?= =?utf-8?B?cmdhQm9DYkJ4dUh1QWd2YkF6OEY4bFFhcW4zMFRJcUVOc3JSTmtEenBVeity?= =?utf-8?B?VHhTQ2tTNGJLUG1yMFhBME8xdFpmL0FnSmYxSDFlN3h5S0svanJrZGJselJE?= =?utf-8?B?eE4wQjhNS3g2R3Yzem9WWmJJWHdYVEZodXpaQ3NvWkdzYmxQU3VXUXBLVGVX?= =?utf-8?B?SlpQTlBLYzFiUW5qNXFjcVpxUG5sYjVUTjNUNFVXSk9OKzNLK2hYdnIrZnJu?= =?utf-8?B?OUpBSlBRbEFianN5WlR6elc0disxM3BBREFha3FTVm9yYmhOS3Z4cHpiT0pJ?= =?utf-8?B?YXVFRlJoT0dqWWRaMTZ1VjBBWVhjTVVtTXhwSUxjVmZZbi9ORFdXeW1VU0VJ?= =?utf-8?B?M0V0Zlc3c1kxY051d1UwU21rSzlNSWdFV3M2LzM0b3dQcjFKaGhydklEMnVi?= =?utf-8?B?VS9SZlMxc0wvbkJwenpkVk5NcDEyQzV3N0RKV214Tno5VTdzYnJ5d3Y1WG9M?= =?utf-8?B?K0UrUDh1TnA0ajhJQ3NZM245UTZLV1NWVkZzOEpVQnN5Q0o4OEMxL0VKMjds?= =?utf-8?B?VFZHMy9ONVJ5RGRheVVJR3VYM1NzRzJ6QklxTTR3R3IrY1BhVytJL3BzUGtK?= =?utf-8?B?ZndpVTVhSXQ4L3djWHdQM1RrK2RrM29Sb2xvMTEwZmZJamJENWlrNG1hTEhw?= =?utf-8?B?ejRIM1FjZzhBd29sbytWVDNVN3ZVM0FrcW1tZWFiU2xwdFliUGp4R3lSVWNm?= =?utf-8?B?SlBiN1ZLT25DTVoyd01sMnhmWHNtbWhIemVTaXU5YW9CSmdhZEF5dVNEcW1Z?= =?utf-8?B?TWlaTTZnNWVVM2JZdzRtT21jRUpmdU5jT3M4YjBNeTcvcm01Z0dQQXJxN2Vj?= =?utf-8?B?UXJ6UEcwRkNjUExwdHNiT2VDZGN6d0g5SGN6Tm15T3ptVHk5cGd6SWM4QWRS?= =?utf-8?B?M3JGb01uYkwxYzNiWGtMdi9XeGFiOHNzU24xNmlncUpIZ3lCdG1MWlRqRVZz?= =?utf-8?B?VitLZjFwcUUrSlNTMFBnS2VtTlRBRDhxMEQ5ZVE2MXhndi8wS3NqY2doa3VH?= =?utf-8?B?TXd0LzN3R0VhSzVoaWRBRW1tRTY1ZFZpbVk2QjJZSEZzdVE2cXQ3end1V1NH?= =?utf-8?B?SFJZM2pHck1yZjJQSGxWVHQyem1NSVpqLzJYWmV3MFdLVEVicG5FQmZkaGl5?= =?utf-8?B?dzMzaXQwSzRFKzl5ZENlUXVwS2ZZcWUxQ3p0b0R1czJ3ZzRTU2JGZEVicWwr?= =?utf-8?B?U0NLU09maHdaWXJkOTVvaDMvVEZvSVFwSC9SdDh6SUxJZzZzc0lpelcyOG1T?= =?utf-8?B?QmMwWWtHdzFlN002YnM1eUIyTm92WnpZR1BMdVAzTmNvL0NUZUE0Nk1XVEMy?= =?utf-8?B?aFo3Z3FJWTdwQW8rRk1pa2laQ0ZISHEzblhBWURLekpwRjkyTGlNd1RDNHRk?= =?utf-8?B?MUlwRXF0Q2FTWlhVV1ZzNFVFV3p5ZnhObURINjF2VXdiTUdXaTV3dE92Y0Uz?= =?utf-8?B?dFZKd0xEdVM3RmRodG5FQ2ozM0l3ZXpTUDB4UEgxcjZnSWpCclJ4M0hGbmd4?= =?utf-8?B?Um82Nk9LRmlNUDA3cDk2NG9jVTBNWU52YkE2dCtZSzJEOGFwLytmUVlzOGta?= =?utf-8?B?RGxYL1hrU0gybTJubllyejJTa2dsSnJyTHkxNjNONmNjUFA3Z0NmdWhkWXUz?= =?utf-8?B?TEErSlJkVTd0M2xUdWsyTzk4SnMraG9MNVpFSm5RRldDNUxwc1FUdjJtakRj?= =?utf-8?B?SGJtbTJQRWwyT0d3VXlpb3ZjLzFha3BYalZ4Wk93SVg1ZnFOL1RPRGVRMkJQ?= =?utf-8?Q?1xw7vZ/AvGkqU6+N2G?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 7a55e315-36f9-4489-13b1-08df40dc74b8 X-MS-Exchange-CrossTenant-AuthSource: IA0PR12MB8374.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Nov 2026 16:46:10.6852 (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: 24JqOTHrDzmJ0qKIrqlq//cjk3J+Eo5AlvfLtf/Et6e7LcAi5rP0NLrh6YCGbNUj X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB8356 On 12 Nov 2026, at 11:44, Mika Penttil=C3=A4 wrote: > On 11/12/26 18:33, Zi Yan wrote: >> On 12 Nov 2026, at 11:24, Alexandru Elisei wrote: >> >>> Hi Mika, >>> >>> On Thu, Nov 12, 2026 at 04:00:09PM +0200, Mika Penttil=C3=A4 wrote: >>>> Hi Alexandru! >>>> >>>> On 11/12/26 13:56, Alexandru Elisei wrote: >>>>> Hi Mika, >>>>> >>>>> I want to help getting this series merged, and I've been familiarizin= g myself >>>>> with hmm and device migration, please bare with me if the questions I= 'm asking >>>>> are obvious or downright silly. >>>> Thanks for the interest and willing to help! I am preparing a v18 of t= he >>>> series and plan to post it early next week. >>> The series is big, and as far as I can tell the MM people are hard at w= ork >>> reviewing bug fixes. It might be better to wait a while, to give people= a >>> chance to have a look? I know that if I see a series being reposted oft= en, >>> I am less inclined to review the patches since probably a new iteration >>> will be posted soon. But I can only speak for myself, you know best. >> Totally agree. It is better to wait until MM people finish the bug fixes= . > > I was going to send fix series to few regressions by earlier posting - > no new features or anything - with the mindset that it is better then to > review a fixed series than known buggy.=C2=A0 https://lore.kernel.org/linux-mm/a2f584f6-e382-4876-aa6d-d5a34de6ee59@kerne= l.org/ Best Regards, Yan, Zi