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

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Message-Id: <20180503182344.GB1981@linux.vnet.ibm.com>
Date:   Thu, 3 May 2018 11:23:44 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     linux-kernel@...r.kernel.org
Cc:     mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
        akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
        josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
        rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
        fweisbec@...il.com, oleg@...hat.com, joel.opensrc@...il.com
Subject: Re: [PATCH tip/core/rcu 16/22] EXP: rcu: Add debugging info to
 assertion

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@...ux.vnet.ibm.com>

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