RE: [PATCH v7 3/6] iommufd: Allow binding to a noiommu device
From: Tian, Kevin
Date: Wed Jun 03 2026 - 02:33:29 EST
> From: Jacob Pan <jacob.pan@xxxxxxxxxxxxxxxxxxx>
> Sent: Wednesday, June 3, 2026 1:45 PM
>
> From: Jason Gunthorpe <jgg@xxxxxxxxxx>
>
> Allow iommufd to bind devices without an IOMMU (noiommu mode) by
> creating
> a dummy IOMMU group for such devices and skipping hwpt operations.
s/IOMMU group/igroup/
>
> This enables noiommu devices to operate through the same iommufd API as
> IOMMU-
> capable devices.
>
> Reviewed-by: Yi Liu <yi.l.liu@xxxxxxxxx>
> Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Signed-off-by: Jacob Pan <jacob.pan@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>