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Mon, 14 Jun 2021 16:01:27 +0000 Received: from BL0PR12MB5506.namprd12.prod.outlook.com ([fe80::3d51:a3b9:8611:684e]) by BL0PR12MB5506.namprd12.prod.outlook.com ([fe80::3d51:a3b9:8611:684e%7]) with mapi id 15.20.4219.025; Mon, 14 Jun 2021 16:01:27 +0000 Date: Mon, 14 Jun 2021 13:01:25 -0300 From: Jason Gunthorpe To: Christoph Hellwig Cc: Max Gurtovoy , Alex Williamson , cohuck@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, aviadye@nvidia.com, oren@nvidia.com, shahafs@nvidia.com, parav@nvidia.com, artemp@nvidia.com, kwankhede@nvidia.com, ACurrid@nvidia.com, cjia@nvidia.com, yishaih@nvidia.com, kevin.tian@intel.com, targupta@nvidia.com, shameerali.kolothum.thodi@huawei.com, liulongfang@huawei.com, yan.y.zhao@intel.com Subject: Re: [PATCH 09/11] PCI: add matching checks for driver_override binding Message-ID: <20210614160125.GK1002214@nvidia.com> References: <20210603160809.15845-1-mgurtovoy@nvidia.com> <20210603160809.15845-10-mgurtovoy@nvidia.com> <20210608152643.2d3400c1.alex.williamson@redhat.com> <20210608224517.GQ1002214@nvidia.com> <20210608192711.4956cda2.alex.williamson@redhat.com> <117a5e68-d16e-c146-6d37-fcbfe49cb4f8@nvidia.com> <1f7ad5bc-5297-6ddd-9539-a2439f3314fa@nvidia.com> Content-Type: text/plain; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?Q2O5k/WP3nB8/UKefjeCMsRMp7tJQO24ZIiu+dkh/LR9JZPoLAdQ+QfSQYgc?= =?us-ascii?Q?E93JmPvZM87h/gK5RYt+vdQBzh/of9ECpzARnF+Lec6Q/Wzcq24n6avlviEr?= =?us-ascii?Q?KjyFkPje1hZ6TnGPLZL1i6XT2r3FKiEkoQu9ZBAVpw3bTBoUoRDTfUqSMP5P?= =?us-ascii?Q?2ZTDRUGbvyAtNPeAsXis0V3KIwwRoXnZk7Y7edJpITwfBf0tyC1QTN1+Inf2?= =?us-ascii?Q?SnOXIv9MKXucx5h7kwdDFdDSHFzM1ePkeu8PG/E1R4Wgs0Quf4Vae4K3quJo?= =?us-ascii?Q?5fjCDlwogp6sngUMYnbZhAReA+NyJayd82PZq8qUjK06Uh1QzsesHcI93ORW?= =?us-ascii?Q?R2iVAXEhn7zL+7m9THfKv/Ahgw3ZJLTQCM3ztH2WF5aUiQwQsUkkpucnke4h?= =?us-ascii?Q?Uekto/9XU92MEZyhyiwnryPYUsev3N8gzO+f1JoOeAuWBzRMBAWTidpgzGGI?= =?us-ascii?Q?qRC+OvMtOBMWPQzGZSuZb/JS58k2ppuFXXAVht2MwIY30sItV7doWUbhmmb/?= =?us-ascii?Q?hTDDspx7jFGa8ls/rnUo43OnRGDAvSbNKwPaMRUR1zstgajFQYffRPkxl7h+?= =?us-ascii?Q?veD3Z2Ar9J3if/a9IEz5O5xisF7BYtHwYLUsEwkfopX01HC+tvdvXlrjzU+w?= =?us-ascii?Q?o5TlqtPvCItxS7/w4/kSW4XxeD7i2PKhYjluS/0d0O/mMIWc+8Bv4MJ5lBLg?= =?us-ascii?Q?0y6Yvk8npBInHS9eYwJtBqpHBD2tpk+HAjxHa8dL05sslIMst6tYfsigsCbX?= =?us-ascii?Q?lpx2ybBy6OERM1GwQjrGP553Y1VMOHv/z2MdAc1isAs68m/i8CS970MK/z49?= =?us-ascii?Q?lrxpf1q7I7zp9BJgvGva6IAKqXn2dlDdasJV5Ufc4e1735mlam1mUhUTIhV8?= =?us-ascii?Q?zTvgo6m9GJMFSFkI78cdQZaYE0is7oxsqfNrD5f4rP3pFHBpplc8wqRpa8wL?= =?us-ascii?Q?PJgKHYPFFc0+TAkwKbhVZtlHA+t+SmzqMnqfnwzevnDb3G6mFNLBeA+bZrJW?= =?us-ascii?Q?5162+uYVZl1ysS9b/VhtF8XOcWGof0MFwexzRUGb9mazSEOye6SXb2McO7Np?= =?us-ascii?Q?Mf/p7RwLfR7xoschURjstw8am/KmmkMPn1kjcsgtrF6cMvEI3lPvHd6etJEH?= =?us-ascii?Q?Uvl533uKqcHq9broq8Ts36+KGobS4PDpmTgyTNdWP/AQoMGVUiQH3iVkbb4i?= =?us-ascii?Q?Yx7oOxh3BpH9zygfQDKiZ5a11v+ScOf+IkUxKF4/yhjrS/QVa06uF/H8lvWZ?= =?us-ascii?Q?rrB1P3V3Ue7chB3xMG+fLfIzfHcIf7eaQhPMZqbWLg49tAQjCvgM4ZIq2Xev?= =?us-ascii?Q?FN2+tX0Qdr253kmKJASeZdU6?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: d5e27681-8f62-43a5-4cea-08d92f4daa6d X-MS-Exchange-CrossTenant-AuthSource: BL0PR12MB5506.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jun 2021 16:01:27.1079 (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: hl8MH2urncrFzEVeYhTWoie4TjJuHJ64aBvL2H58+u+ltu324mzUoRzgadwxIvrQ X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5318 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 14, 2021 at 04:27:33PM +0100, Christoph Hellwig wrote: > On Mon, Jun 14, 2021 at 11:18:32AM +0300, Max Gurtovoy wrote: > > * into a static list of equivalent device types, > > * instead of using it as a pointer. > > + * @flags: PCI flags of the driver. Bitmap of pci_id_flags enum. > > */ > > struct pci_device_id { > > __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/ > > __u32 subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */ > > __u32 class, class_mask; /* (class,subclass,prog-if) triplet */ > > kernel_ulong_t driver_data; /* Data private to the driver */ > > + __u32 flags; > > }; > > Isn't struct pci_device_id a userspace ABI due to MODULE_DEVICE_TABLE()? Not that I can find, it isn't under include/uapi and the way to find this information is by looking for symbols starting with "__mod_" Debian Code Search says the only place with '"__mod_"' is in file2alias.c at least Do you know of something? If yes this file should be moved Jason