From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Tue, 13 Apr 2010 23:18:22 +0000 (-0700)
Subject: rcu: improve RCU CPU stall-warning messages
X-Git-Tag: v2.6.35-rc1~524^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4300aa642cc9ecb35f2e0683dd294fb790ef028c;p=pandora-kernel.git

rcu: improve RCU CPU stall-warning messages

The existing RCU CPU stall-warning messages can be confusing, especially
in the case where one CPU detects a single other stalled CPU.  In addition,
the console messages did not say which flavor of RCU detected the stall,
which can make it difficult to work out exactly what is causing the stall.
This commit improves these messages.

Requested-by: Dhaval Giani <dhaval.giani@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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