On Thu, May 03, 2018 at 07:39:41AM -0700, Paul E. McKenney wrote: > Huh. > > No, RCU_NONIDLE() only works for idle, not for offline.
Oh bummer.. > Maybe... Let me take a look. There must be some way to mark a > specific lock acquisition and release as being lockdep-invisible... But I suspect it flags a real issue. Shutting it up isn't the issue as such. There could be a concurrent sched domain rebuild while we do this setup, and if we free that domain while we're looking at it, bad things happen. ... I wonder what brought this failure to pass now. This code has been like this a for a long time.
