On Fri, Feb 28, 2014 at 01:17:33PM -0800, Paul E. McKenney wrote: > This code isn't running in idle context is it? If so, RCU will happily > free out from under it. CONFIG_PROVE_RCU should detect this sort of thing, > though.
Well, interrupts/NMIs can happen when idle, but the interrupt/NMI entry code deals with the idle state AFAIK.