Re: [PATCH v6 9/9] vfio/pci: Permanently revoke a DMABUF on request

From: Leon Romanovsky

Date: Sun Sep 13 2026 - 12:53:33 EST


On Fri, Sep 11, 2026 at 10:41:57PM +0100, Matt Evans wrote:
> Expand the VFIO DMABUF revocation state to three states:
> Not revoked, temporarily revoked, and permanently revoked.

The thing is that "temporarily revoked" is actually the standard
invalidate_mappings/move_notify mechanism of DMABUF, which wasn't good
for VFIO.

Thanks