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Mon, 14 Jun 2021 16:33:39 +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 16:33:39 +0000 Date: Mon, 14 Jun 2021 13:33:37 -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: <20210614163337.GL1002214@nvidia.com> References: <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> <20210614160125.GK1002214@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?6bRCJ7ZGVkTz4/AdXS4idiawi6k6oIj02SXw1meZkHwTkIpqQxnL/AKmEgpw?= =?us-ascii?Q?1WSYXl8GJQRyVJsWbXauIy+jp9NtBidwd3bKmjiZbOk+GQk1ezbbhMAT6aiS?= =?us-ascii?Q?qJ06TdTUqVJKoav+jZUFHTyQ/Z0018zqpcu7o1G79SswWiXEhv4fbYtSCPDF?= =?us-ascii?Q?KsiZwXsCkFBgPVuLN8NIKXx/QgOTWhf1u/F2kC0WvChZiWOR3nAAPSV98UgW?= =?us-ascii?Q?r53GsmBten0Qeu8Sz8bF+DSWIPOC86XLJIwhELqnHlZ5GfgiFf98DunMKsb3?= =?us-ascii?Q?R5guuaq6evI9d/OII7CSzDPCbKl8nBmpGwzM0hHviGLiA3sNBfcnH+Vas9GP?= =?us-ascii?Q?BevADFFWumZHoVyMCByVOtnAWtZSrbth8lmlmIs3dWER6TT8FMQt5f3zqtMJ?= =?us-ascii?Q?2CLjx33KgUyGFo+SZ8nnZo5kkaE4jKMjSgdpeFwcq15wOop3izQjNae+hVYg?= =?us-ascii?Q?jg8QfKdcdGWWGEx91zKr5Zhx8lK1yNvnl5tY5V7f3Ic09ifCIZb4Jeee/zjU?= =?us-ascii?Q?s6QGcmvsok121ouTrImvO0EQPLcDeARVpdTE2jV77NEWkCWtBbeP72rC/+BU?= =?us-ascii?Q?YcZiNpvjJW4UJGlqBm4IM6Aw7WiTWjORpgwpVDcIZAk5ZNkZ5hJakdwWXc3C?= =?us-ascii?Q?cTfMt2tBPEKvOAj4Im21/sptPvRLa1qCo81tQ1Lx4FhWW80ojA9IEzarsTTZ?= =?us-ascii?Q?+jiO96FgF6zLaHMLrNZOhks4xif5gw0ODD50aQFFdO1G5wwA9cv5CTabQ2e5?= =?us-ascii?Q?5esMhzyBvUXdroynwusxHO3H9bBKOmnF0qfTYkkVaxQxR8MUBYQYp0Toqwup?= =?us-ascii?Q?zZtlDfIKzACPy6X7nesUxtXJIDlCkmydd0ybzy8hTMe72WBw7MmpppDIhSEF?= =?us-ascii?Q?C5HuyueIKF+Zdzh7xguxKfXRLqin2dgVp6ok+Npc/cKK0anTnDPChyFEweeT?= =?us-ascii?Q?5+vpwpm1EeLfPNUHdDD2kwed8OEQi19JMQyfp7KzYer8fZKKELiKPFE1sCq5?= =?us-ascii?Q?IsmMhX4O7lH4sGI0rbBIWwKtsjLRCrTx9SXUHAFEFB+0mdtwUq86d5JccsLa?= =?us-ascii?Q?C0l4X5ASHyCtu1mIwVidnj6GQb1BeDAnbqQHn/ukQRboCxkCRiYPddrjhCje?= =?us-ascii?Q?cH06JbuH4C/aZnx+YzpSoiLAQYxznXnDDRN88i8DP2X1VZeXEoaYoJ/7S7QR?= =?us-ascii?Q?TslHjibesCYSpWfHpx4Yd/uL45qOQILEdcSWYgoJCIuaY2bT+ittXefYkNUS?= =?us-ascii?Q?e0GAExQv7yTCmop7/2JFhglKEHLt8X4ycsCSInWEL4r9F3KL+96VtdV8WLBq?= =?us-ascii?Q?5PNxi5WBdYoYrSqOmW3h3zIB?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: d2985bca-5c1a-43d7-9e6c-08d92f5229f3 X-MS-Exchange-CrossTenant-AuthSource: BL0PR12MB5506.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Jun 2021 16:33:38.9929 (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: O0mERGLEYLTrQVjqDjqZNSgpmLh+gFlyc1xST/0vR+rD03kctOEAaS9nMu4ErfO4 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5096 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 14, 2021 at 05:15:22PM +0100, Christoph Hellwig wrote: > On Mon, Jun 14, 2021 at 01:01:25PM -0300, Jason Gunthorpe wrote: > > > 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 > > Seems lke file2alias.c is indeed the only consumer. So it is a > userspace ABI, but ony to a file included in the kernel tree. As I understand it, things are tighter than that, it is only an API between different parts of kbuild - so it is OK to change it. module.alias is the uAPI this data gets marshaled into. Jason