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

From: Ingo Molnar
Date: Thu Dec 23 2010 - 06:57:32 EST



* Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/