From: Paul E. McKenney <paul.mckenney@linaro.org>
Date: Mon, 30 Jan 2012 16:46:32 +0000 (-0800)
Subject: lockdep: Add CPU-idle/offline warning to lockdep-RCU splat
X-Git-Tag: v3.4-rc1~194^2^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5fdcec927ee31fc96e92339c3a83ac6e0725289;p=pandora-kernel.git

lockdep: Add CPU-idle/offline warning to lockdep-RCU splat

It is illegal to use RCU from a CPU that has reported idleness or
offlinedness to RCU.  However, it can be quite difficult to determine
from a stack trace whether or not a given CPU is idle or offline.
Therefore, this commit adds idle/offline diagnostics to the lockdep-RCU
error message.

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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