Re: [PATCH v7 3/6] iommufd: Allow binding to a noiommu device
From: Jacob Pan
Date: Wed Jun 03 2026 - 12:57:02 EST
Hi Kevin,
On Wed, 3 Jun 2026 06:32:59 +0000
"Tian, Kevin" <kevin.tian@xxxxxxxxx> wrote:
> > 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/
>
will do.
> >
> > 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>