[GIT PULL] RCU changes for 2.6.35

[Paul E. McKenney]

Hello, Ingo,

Here are the first installment of RCU changes for 2.6.35, this time
rebased to 2.6.34-rc7.

git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu.git rcu/next

As noted earlier, Mathieu's debugobjects changes and Arnd's "sparse"
checks are also in the works.

							Thanx, Paul

------------------>
 Lai Jiangshan (4)
	 rcu: optionally leave lockdep enabled after RCU lockdep splat
	 rcu: make dead code really dead
	 rcu: move some code from macro to function
	 rcu: ignore offline CPUs in last non-dyntick-idle CPU check

 Paul E. McKenney (17)
	 rcu: substitute set_need_resched for sending resched IPIs
	 rcu: Fix bogus CONFIG_PROVE_LOCKING in comments to reflect reality.
	 rcu: fix now-bogus rcu_scheduler_active comments.
	 rcu: shrink rcutiny by making synchronize_rcu_bh() be inline
	 rcu: rename rcutiny rcu_ctrlblk to rcu_sched_ctrlblk
	 rcu: refactor RCU's context-switch handling
	 rcu: slim down rcutiny by removing rcu_scheduler_active and friends
	 rcu: enable CPU_STALL_VERBOSE by default
	 rcu: disable CPU stall warnings upon panic
	 rcu: print boot-time console messages if RCU configs out of ordinary
	 rcu: improve RCU CPU stall-warning messages
	 rcu: permit discontiguous cpu_possible_mask CPU numbering
	 rcu: reduce the number of spurious RCU_SOFTIRQ invocations
	 rcu: improve the RCU CPU-stall warning documentation
	 rcu: make SRCU usable in modules
	 rcu: RCU_FAST_NO_HZ must check RCU dyntick state
	 rcu: fix build bug in RCU_FAST_NO_HZ builds

 Documentation/RCU/stallwarn.txt |   94 ++++++++++++++++++++++-------
 Documentation/RCU/trace.txt     |   35 +++++------
 include/linux/rcupdate.h        |   42 +++++++------
 include/linux/rcutiny.h         |   29 ++++++++-
 include/linux/rcutree.h         |    6 +
 include/linux/srcu.h            |    6 +
 kernel/lockdep.c                |    3 
 kernel/rcupdate.c               |   19 -----
 kernel/rcutiny.c                |   29 +++++----
 kernel/rcutiny_plugin.h         |   39 ++++++++++++
 kernel/rcutree.c                |  127 ++++++++++++++++++++++++++++------------
 kernel/rcutree.h                |    2 
 kernel/rcutree_plugin.h         |   67 ++++++++++++++++++---
 kernel/rcutree_trace.c          |    4 -
 kernel/sched.c                  |    2 
 kernel/softirq.c                |    2 
 lib/Kconfig.debug               |   14 ++++
 17 files changed, 381 insertions(+), 139 deletions(-)
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