On Mon, Jun 10, 2019 at 9:11 PM Dave Chinner <david@xxxxxxxxxxxxx> wrote: > > The same rwsem issues were seen on the mmap_sem, the shrinker rwsem, > in a couple of device drivers, and so on. i.e. This isn't an XFS > issue I'm raising here - I'm raising a concern about the lack of > validation of core infrastructure and it's suitability for > functionality extensions. I haven't actually seen the reports. That said, I do think this should be improving. The random architecture-specific code is largely going away, and we'll have a unified rwsem. It might obviously cause some pain initially, but I think long-term we should be much better off, at least avoiding the "on particular configurations" issue.. Linus