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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?dHM8s1gX4MogTrOaEWPwmQ5DJCc8FDxXyRB4v8KCtDavUH2p1d1gvMr4kcYZ?= =?us-ascii?Q?LC+OOINN+cHPfWa2g3jDpWAQ97KF7AhUKJ626h+BmezBAxUyP1psFcMa4vWI?= =?us-ascii?Q?nslEO8OWv9DvN9Tf/VIXWzbUz99RT/BS8MdglddH9JRiXE4V0Pmx121u2zPR?= =?us-ascii?Q?SSSSgf1KK5/iObeoqrP8v60Kame0SCrw5zVZowxFIxAPaG3x/CHLEyjFB9Qx?= =?us-ascii?Q?gftUBSgvxtpAglN+pczNV9gsnPTiIBakBTjy3QULBAkpxRktpNVz3lsdhkUx?= =?us-ascii?Q?q9U4ghlMso/9/xtCsIxWF1VqU6rlGsMaqfLwm/7fEPbEyx0krL5oo2dcRVHi?= =?us-ascii?Q?do7nQvrh1sCjtM/GWjkyVoHjVDpyQbbtAoX3uDltY8pU4e5Fw0NibK3GvFO6?= =?us-ascii?Q?NS3M/lBfX1UGx9DImLbhzPVPk9DjJWeW4+PR1FW5Z5e/oCa0igmypGNRVUXH?= =?us-ascii?Q?CIGuDIAZDfPdstnMJN85zzozUU+QnA46IjrZAbFK8PMokLJNbciFr2l7NqGM?= =?us-ascii?Q?gYfs9oFMChAnZKlWyY9OqrlMtIGWEYcL8gwQY30czqiOP3VKDR/7e/HJtBGQ?= =?us-ascii?Q?s+tXV/2UvPbbiKoibLGXCA7HpAhMjTdI+cTgFHKxkDcSPUZwRdEDOGshZGx+?= =?us-ascii?Q?gE+UKBOrn2gqcfV6ScBHt0a1d2lDhd7V+TNF+BjrF9Rekjr2mRvOIs23lgcs?= =?us-ascii?Q?SvG0LfkOGBFM2GCZ1u6R6OF0ddLcH1yPAITLlmMsYnCimkBTgGUjzlEddQ0c?= =?us-ascii?Q?4cnGj0+RFEcnuIY4MSISJdj5FgVsPdilcnFbmOsvlE59g24UMvjwvYw/jOrv?= =?us-ascii?Q?FuCYSdOvteo2VAiLeNuf80t5gc1NhglPY02MTstz/zM+9iJM87jhExbMj1I+?= =?us-ascii?Q?eQtQGZi64fAt92VpXZ77NE2IKHgxqI+CIIQEOC/a/31XthZ6/aH05VFNCLht?= =?us-ascii?Q?ZfkM51ELXN/YDSptlB7lGNVg+0nUUWZkzTOH1LaS+Mq1qyHSSzUgpsPn2MCV?= =?us-ascii?Q?0aZp5vWOocaG6Y6yRdoI6PTdeFU5Wx/NZ20uj4wbeq3VwFb3L1VuoBDsZZLf?= =?us-ascii?Q?lPPsxFOFeD1ym/ZrIXzdFKj8jxs8uNJx39voVOmucDuXhqPQNUjAH96SUUhX?= =?us-ascii?Q?kRX8IxgJGzgVvuXw4ApU88YvRU9t7g+M1KUwSMy3tST37Ldip1YVeYjk4L81?= =?us-ascii?Q?Vk6hyjj9zE00avlnra0QQkrBNDq1H9/wkbX56ykGm7jSIBptRSUYbYGBF/GN?= =?us-ascii?Q?aeXfl/t8OFolH1qpP1RSa3LYtgVyZ17FuouMjHXBvW/6EWx/H/c1p+iN12jt?= =?us-ascii?Q?SENXasxptl46eMnzn40jPVTQBkIY8F8crLYj0S8duE8w346Il1rRQocLtzlG?= =?us-ascii?Q?otGKFAZydMNWw/gZURE74bKkS/BgpNi0TAZOmSpeoDoqYs0HAvr+U9L4uidn?= =?us-ascii?Q?aI9jYUkSEP8qIMlPlfdhkI0uojkIzfuuOYo/gc6Be4s9dZqgBlqdTatMRx3v?= =?us-ascii?Q?bap99Y67dGp6AQMD1M3NJT1VEmoxLeUpayGgBBZqJx1aKBqM+QvSJC7moclg?= =?us-ascii?Q?LKrSA5ak4HF5gP97mhbE/UeUgGaM+93JGkVx3GGnBSgm4kOOTzw6Yiw/Y6IG?= =?us-ascii?Q?DCrRpdXY8+Y8dzh3KFQS3Qla+5zqECvqzciWdvLZGQf2Ete4MLeztfy5nbjI?= =?us-ascii?Q?E7IVjFD77FD8OkbY4IaTWFt4T54f7LLW9cEgD6Bl6d+fZsFD?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1c80c321-12b1-4579-ce97-08dea22ef728 X-MS-Exchange-CrossTenant-AuthSource: LV8PR12MB9620.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Apr 2026 18:26:13.3722 (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: mkq3NHYkFYNZjOtc3dAijOxBGdWPM0dB3+DdlO9lCZ2KZvQqOGvTEW5qNfzFfYUu X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR12MB7091 On Thu, Apr 16, 2026 at 06:17:48AM -0700, Matt Evans wrote: > Since converting BAR mmap()s to using DMABUFs, we lose the original > device path in /proc//maps, lsof, etc. Generate a debug-oriented > synthetic 'filename' based on the cdev, plus BDF, plus resource index. > > This applies only to BAR mappings via the VFIO device fd, as > explicitly-exported DMABUFs are named by userspace via the > DMA_BUF_SET_NAME ioctl. > > Signed-off-by: Matt Evans > --- > drivers/vfio/pci/vfio_pci_dmabuf.c | 27 +++++++++++++++++++++++++-- > 1 file changed, 25 insertions(+), 2 deletions(-) Reviewed-by: Jason Gunthorpe Jason