Re: [PATCH v5 0/9] iommufd: Enable noiommu mode for cdev

From: Jacob Pan

Date: Tue May 19 2026 - 17:04:02 EST


Hi Jason,

On Tue, 19 May 2026 15:01:56 -0300
Jason Gunthorpe <jgg@xxxxxxxxxx> wrote:

> On Mon, May 11, 2026 at 11:41:05AM -0700, Jacob Pan wrote:
> > VFIO's unsafe_noiommu_mode has long provided a way for userspace
> > drivers to operate on platforms lacking a hardware IOMMU. Today,
> > IOMMUFD also supports No-IOMMU mode for group-based devices under
> > vfio_compat mode. However, IOMMUFD's native character device (cdev)
> > does not yet support No-IOMMU mode, which is the purpose of this
> > patch.
>
> I would like to try to take this for this cycle, how are we doing for
> a v6?
I will send out v6 with Baolu's feedback in a couple of days.

> Alex, did you have any remarks?
>
> Thanks,
> Jason