[PATCH v3 hmm 11/12] mm/hmm: Remove confusing comment and logic from hmm_release

[Christoph Hellwig]

On Mon, Jun 17, 2019 at 09:45:09PM -0300, Jason Gunthorpe wrote:
> Am I looking at the wrong thing? Looks like it calls it through a work
> queue should should be OK..

Yes, it calls it through a work queue.  I guess that is fine because
it needs to take the lock again.

> Though very strange that amdgpu only destroys the mirror via release,
> that cannot be right.

As said the whole things looks rather odd to me.