From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Mon, 30 Aug 2010 16:52:50 +0000 (-0700)
Subject: rcu: fix _oddness handling of verbose stall warnings
X-Git-Tag: v2.6.37-rc1~215^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81a294c44e973dc7182e4733421b7cb2daba3c29;p=pandora-kernel.git

rcu: fix _oddness handling of verbose stall warnings

CONFIG_RCU_CPU_STALL_VERBOSE depends on CONFIG_TREE_PREEMPT_RCU, but
rcu_bootup_announce_oddness() complains if CONFIG_RCU_CPU_STALL_VERBOSE
is not set even in the case of CONFIG_TREE_RCU.  This commit therefore
fixes rcu_bootup_announce_oddness() to avoid insisting on impossibilities.

Reported-by: Guy Martin <gmsoft@tuxicoman.be>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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