[PATCH v2] nvme: remove unprivileged passthrough support

[Christoph Hellwig]

On Wed, Oct 18, 2023 at 03:26:20PM -0600, Keith Busch wrote:
> On further consideration and some offline chats, I believe this large
> change is a bit too late for 6.6. I think this should wait for 6.7 (and
> stable), hopefully preserving non-root access in some sane capacity.
> It's backed out now, and current nvme-6.6 PR does not include this
> patch.

Umm, what are the offlist discussions?  We leave an exploitable hole
in, so I don't think waiting any longer is an option.