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SubjectRe: Why add the general notification queue and its sources
On Thu, Sep 5, 2019 at 10:01 AM David Howells <> wrote:
> >
> > I'm just going to be very blunt about this, and say that there is no
> > way I can merge any of this *ever*, unless other people stand up and
> > say that
> >
> > (a) they'll use it
> >
> > and
> >
> > (b) they'll actively develop it and participate in testing and coding
> Besides the core notification buffer which ties this together, there are a
> number of sources that I've implemented, not all of which are in this patch
> series:

You've at least now answered part of the "Why", but you didn't
actually answer the whole "another developer" part.

I really don't like how nobody else than you seems to even look at any
of the key handling patches. Because nobody else seems to care.

This seems to be another new subsystem / driver that has the same
pattern. If it's all just you, I don't want to merge it, because I
really want more than just other developers doing "Reviewed-by" after
looking at somebody elses code that they don't actually use or really
care about.

See what I'm saying?

New features that go into the kernel should have multiple users. Not a
single developer who pushes both the kernel feature and the single use
of that feature.

This very much comes from me reverting the key ACL pull. Not only did
I revert it, ABSOLUTELY NOBODY even reacted to the revert. Nobody
stepped up and said they they want that new ACL code, and pushed for a
fix. There was some very little murmuring about it when Mimi at least
figured out _why_ it broke, but other than that all the noise I saw
about the revert was Eric Biggers pointing out it broke other things
too, and that it had actually broken some test suites. But since it
hadn't even been in linux-next, that too had been noticed much too

See what I'm saying? This whole "David Howells does his own features
that nobody else uses" needs to stop. You need to have a champion. I
just don't feel safe pulling these kinds of changes from you, because
I get the feeling that ABSOLUTELY NOBODY ELSE ever really looked at it
or really cared.

Most of the patches has nobody else even Cc'd, and even the patches
that do have some "Reviewed-by" feel more like somebody else went "ok,
the change looks fine to me", without any other real attachment to the

New kernel features and interfaces really need to have a higher
barrier of entry than one developer working on his or her own thing.

Is that a change from 25 years ago? Or yes it is. We can point to lots
of "single developer did a thing" from years past. But things have
changed. And once bitten, twice shy: I really am a _lot_ more nervous
about all these key changes now.


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