On Tue, 2017-04-18 at 08:17 -0700, Paul E. McKenney wrote: > > Again, no (S)RCU abuse here, just an ABBA deadlock. > > OK, please accept my apologies for failing to follow the thread.
No worries - just wanted to clarify this in case I was missing something. > I nevertheless reiterate my advice to run at least some tests with > CONFIG_PROVE_RCU=y. And yes, it would be good to upgrade lockdep > to find the above theoretical deadlock. Right. It won't matter for debugfs after this patchset, but it would indeed be nice - I failed in my attempt though :) johannes
