* Paul E. McKenney <[email protected]> wrote:
> Hello, Ingo,
>
> This series includes the following:
>
> 1. Export a pair of debug-object interfaces for RCU that will
> allow the slab allocators to avoid a recursion bug located
> by Sasha Levin. Strictly speaking, this is not a regression,
> but it would be good to enable the fix.
>
> 2. Address a serious performance regression on an open/close
> micro-benchmark located by Dave Hansen. The offending commit
> is ac1bea85781e (Make cond_resched() report RCU quiescent states).
>
> Both have been exposed to -next testing, and are available in the git
> repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
> urgent.2014.06.23a
>
> for you to fetch changes up to 4a81e8328d3791a4f99bf5b436d050f6dc5ffea3:
>
> rcu: Reduce overhead of cond_resched() checks for RCU (2014-06-23 11:19:32
> -0700)
>
> ----------------------------------------------------------------
> Paul E. McKenney (2):
> rcu: Export debug_init_rcu_head() and and debug_init_rcu_head()
> rcu: Reduce overhead of cond_resched() checks for RCU
>
> Documentation/kernel-parameters.txt | 6 ++
> include/linux/rcupdate.h | 46 +++---------
> kernel/rcu/tree.c | 140
> ++++++++++++++++++++++++++++--------
> kernel/rcu/tree.h | 6 +-
> kernel/rcu/tree_plugin.h | 2 +-
> kernel/rcu/update.c | 22 +-----
> kernel/sched/core.c | 7 +-
> 7 files changed, 137 insertions(+), 92 deletions(-)
>
Pulled into tip:core/urgent, thanks a lot Paul!
Ingo
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