Re: [PATCH tip/core/rcu 16/22] EXP: rcu: Add debugging info to assertion

From: Paul E. McKenney
Date: Thu May 03 2018 - 14:22:36 EST


On Sun, Apr 22, 2018 at 07:32:21PM -0700, Paul E. McKenney wrote:
> The WARN_ON_ONCE(rcu_preempt_blocked_readers_cgp()) in
> rcu_gp_cleanup() triggers (inexplicably, of course) every so often.
> This commit therefore extracts more information.
>
> Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>

This commit and the remaining ones in this series are deferred from
the next merge window to the one following, where modified versions
are actually able to find a problem.

Thanx, Paul