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

From: Jason Gunthorpe

Date: Tue May 19 2026 - 14:03:41 EST


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?

Alex, did you have any remarks?

Thanks,
Jason