From cf01537ecf192d9ff15c32a355db5d5af22bea4d Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paul.mckenney@linaro.org>
Date: Thu, 21 Jun 2012 11:26:42 -0700
Subject: [PATCH] rcu: Add check for CPUs going offline with callbacks queued

If a CPU goes offline with callbacks queued, those callbacks might be
indefinitely postponed, which can result in a system hang.  This commit
therefore inserts warnings for this condition.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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