Re: [PATCH v3 tip/core/rcu 40/40] rcu: Make non-preemptive schedule be Tasks RCU quiescent state

[Peter Zijlstra]

On Thu, Sep 28, 2017 at 03:38:16PM +0000, Levin, Alexander (Sasha Levin) wrote:
> On Thu, Sep 28, 2017 at 05:30:55AM -0700, Paul E. McKenney wrote:

> >Hmmm...  kernel/rcu/tree_plugin.h:329 thinks that someone slept (as opposed
> >to was preempted) in an RCU read-side critical section.

Sasha, was this on one of those kernels that did a printk() from
scheduler context?