Messages in this thread | | | Date | Wed, 25 Jun 2014 07:39:20 +0200 | From | Ingo Molnar <> | Subject | Re: [GIT PULL rcu/urgent] Fixes for 3.16 |
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* Paul E. McKenney <paulmck@linux.vnet.ibm.com> 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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