On Thu, Jun 13, 2019 at 09:44:49PM -0300, Jason Gunthorpe wrote: > From: Jason Gunthorpe <jgg@xxxxxxxxxxxx> > > hmm_release() is called exactly once per hmm. ops->release() cannot > accidentally trigger any action that would recurse back onto > hmm->mirrors_sem. In linux-next amdgpu actually calls hmm_mirror_unregister from its release function. That whole release function looks rather sketchy, but we probably need to sort that out first.
