Linux kernel bug fix: iommufd: Make vfio_compat's unmap succeed if the range is already empty
Subsystem: iommu (tools/testing/selftests/iommu/iommufd.c)
Bug type: unknown, severity: unknown
Files changed: drivers/iommu/iommufd/io_pagetable.c;drivers/iommu/iommufd/ioas.c;tools/testing/selftests/iommu/iommufd.c
Introduced by Jason Gunthorpe on 2022-11-30 20:16:49 -0400; fixed by Jason Gunthorpe on 2025-11-05 15:11:26 -0400 (lifetime: 1070 days)