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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>
This commit is contained in:
Paul E. McKenney 2010-08-30 09:52:50 -07:00
parent dd7c4d8973
commit 81a294c44e
1 changed files with 1 additions and 1 deletions
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2
kernel/rcutree_plugin.h
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@ -57,7 +57,7 @@ static void __init rcu_bootup_announce_oddness(void)
printk(KERN_INFO
"\tRCU-based detection of stalled CPUs is disabled.\n");
#endif
#ifndef CONFIG_RCU_CPU_STALL_VERBOSE
#if defined(CONFIG_TREE_PREEMPT_RCU) && !defined(CONFIG_RCU_CPU_STALL_VERBOSE)
printk(KERN_INFO "\tVerbose stalled-CPUs detection is disabled.\n");
#endif
#if NUM_RCU_LVL_4 != 0