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SubjectRe: [PATCH 18/22] mm: mark DEVICE_PUBLIC as broken
On Tue, Jun 25, 2019 at 09:29:15AM +0200, Christoph Hellwig wrote:
> On Thu, Jun 20, 2019 at 09:26:48PM +0200, Michal Hocko wrote:
> > On Thu 13-06-19 11:43:21, Christoph Hellwig wrote:
> > > The code hasn't been used since it was added to the tree, and doesn't
> > > appear to actually be usable. Mark it as BROKEN until either a user
> > > comes along or we finally give up on it.
> >
> > I would go even further and simply remove all the DEVICE_PUBLIC code.
> I looked into that as I now got the feedback twice. It would
> create a conflict with another tree cleaning things up around the
> is_device_private defintion, but otherwise I'd be glad to just remove
> it.
> Jason, as this goes through your tree, do you mind the additional
> conflict?

Which tree and what does the resolution look like?

Also, I don't want to be making the decision if we should keep/remove
DEVICE_PUBLIC, so let's get an Ack from Andrew/etc?

My main reluctance is that I know there is HW out there that can do
coherent, and I want to believe they are coming with patches, just
too slowly. But I'd also rather those people defend themselves :P


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