]> git.baikalelectronics.ru Git - kernel.git/commit
Merge branch 'rcu/next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck...
authorIngo Molnar <mingo@kernel.org>
Mon, 14 May 2012 06:41:20 +0000 (08:41 +0200)
committerIngo Molnar <mingo@kernel.org>
Mon, 14 May 2012 06:41:46 +0000 (08:41 +0200)
commitc53f6910c8623eccb366180d364a672e92a9a244
treecb10d9a568ebb4be8593821a6f205efedf2f4ddd
parent02bd695d9ca5eee91c1376720cccd5ec15a2fb0d
parentdb2a63c3a06642fc789a464f6d1a1647af207d18
Merge branch 'rcu/next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu

Pull the v3.5 RCU tree from Paul E. McKenney:

 1) A set of improvements and fixes to the RCU_FAST_NO_HZ feature
(with more on the way for 3.6).  Posted to LKML:
https://lkml.org/lkml/2012/4/23/324 (commits 1-3 and 5),
https://lkml.org/lkml/2012/4/16/611 (commit 4),
https://lkml.org/lkml/2012/4/30/390 (commit 6), and
https://lkml.org/lkml/2012/5/4/410 (commit 7, combined with
the other commits for the convenience of the tester).

 2) Changes to make rcu_barrier() avoid disrupting execution of CPUs
that have no RCU callbacks.  Posted to LKML:
https://lkml.org/lkml/2012/4/23/322.

 3) A couple of commits that improve the efficiency of the interaction
between preemptible RCU and the scheduler, these two being all
that survived an abortive attempt to allow preemptible RCU's
__rcu_read_lock() to be inlined.  The full set was posted to
LKML at https://lkml.org/lkml/2012/4/14/143, and the first and
third patches of that set remain.

 4) Lai Jiangshan's algorithmic implementation of SRCU, which includes
call_srcu() and srcu_barrier().  A major feature of this new
implementation is that synchronize_srcu() no longer disturbs
the execution of other CPUs.  This work is based on earlier
implementations by Peter Zijlstra and Paul E. McKenney.  Posted to
LKML: https://lkml.org/lkml/2012/2/22/82.

 5) A number of miscellaneous bug fixes and improvements which were
posted to LKML at: https://lkml.org/lkml/2012/4/23/353 with
subsequent updates posted to LKML.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
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