Re: [GIT PULL rcu/next] rcu commits for 2.6.38

[Ingo Molnar <mingo@elte.hu>]

* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:

> Hello, Ingo,
> 
> This pull request covers RCU changes for 2.6.38.  These include RCU
> priority boosting for TINY_RCU and TINY_PREEMPT_RCU, some cleanups from
> Lai Jiangshan, fixes to synchronize_sched_expedited() including some
> from Tejun Heo, some nohz fixes from Frederic Weisbecker, some changes
> to reduce lock contention for internal-to-RCU locks, and a fix from
> Mariusz Kozlowski to fix unbalanced parentheses.
> 
> These changes are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu.git rcu/next
> 
> ------------------>
> Frederic Weisbecker (2):
>       rcu: Stop chasing QS if another CPU did it for us
>       rcu: Keep gpnum and completed fields synchronized
> 
> Lai Jiangshan (2):
>       rcu,cleanup: move synchronize_sched_expedited() out of sched.c
>       rcu,cleanup: simplify the code when cpu is dying
> 
> Mariusz Kozlowski (1):
>       rculist: fix borked __list_for_each_rcu() macro
> 
> Paul E. McKenney (14):
>       rcu: add priority-inversion testing to rcutorture
>       rcu: move TINY_RCU from softirq to kthread
>       rcu: priority boosting for TINY_PREEMPT_RCU
>       rcu: add tracing for TINY_RCU and TINY_PREEMPT_RCU
>       rcu: document TINY_RCU and TINY_PREEMPT_RCU tracing.
>       rcu: Distinguish between boosting and boosted
>       rcu: get rid of obsolete "classic" names in TREE_RCU tracing
>       rcu: update documentation/comments for Lai's adoption patch
>       rcu: fix race condition in synchronize_sched_expedited()
>       rcu: Make synchronize_srcu_expedited() fast if running readers
>       rcu: fine-tune grace-period begin/end checks
>       rcu: limit rcu_node leaf-level fanout
>       rcu: reduce __call_rcu()-induced contention on rcu_node structures
>       rcu: remove unused __list_for_each_rcu() macro
> 
> Tejun Heo (1):
>       rcu: increase synchronize_sched_expedited() batching
> 
>  Documentation/RCU/trace.txt |  144 +++++++++++++--
>  include/linux/init_task.h   |    9 +-
>  include/linux/rculist.h     |    5 -
>  include/linux/rcupdate.h    |    4 +-
>  include/linux/rcutiny.h     |   13 +-
>  include/linux/rcutree.h     |    2 +
>  include/linux/sched.h       |   11 +-
>  init/Kconfig                |   55 ++++++-
>  kernel/rcutiny.c            |  105 +++++++----
>  kernel/rcutiny_plugin.h     |  433 +++++++++++++++++++++++++++++++++++++++++--
>  kernel/rcutorture.c         |  270 ++++++++++++++++++++++++++-
>  kernel/rcutree.c            |  156 ++++++++--------
>  kernel/rcutree.h            |   61 +++----
>  kernel/rcutree_plugin.h     |  135 +++++++++++++-
>  kernel/rcutree_trace.c      |   12 +-
>  kernel/sched.c              |   69 -------
>  kernel/srcu.c               |    8 +-
>  17 files changed, 1207 insertions(+), 285 deletions(-)

Pulled, thanks a lot Paul!

	Ingo