rcu: print boot-time console messages if RCU configs out of ordinary

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Print boot-time messages if tracing is enabled, if fanout is set
to non-default values, if exact fanout is specified, if accelerated
dyntick-idle grace periods have been enabled, if RCU-lockdep is enabled,
if rcutorture has been boot-time enabled, if the CPU stall detector has
been disabled, or if four-level hierarchy has been enabled.

This is all for TREE_RCU and TREE_PREEMPT_RCU.  TINY_RCU will be handled
separately, if at all.

Suggested-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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This commit is contained in:

Paul E. McKenney 2010-04-13 14:19:23 -07:00

parent c68de2097a

commit 26845c2860

2 changed files with 42 additions and 8 deletions

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6

kernel/rcutree.c

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44

kernel/rcutree_plugin.h

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