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rcu: Improve RCU-tasks energy efficiency
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Mon, 28 Jul 2014 21:39:25 +0000 (14:39 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Sun, 7 Sep 2014 23:27:27 +0000 (16:27 -0700)
The current RCU-tasks implementation uses strict polling to detect
callback arrivals.  This works quite well, but is not so good for
energy efficiency.  This commit therefore replaces the strict polling
with a wait queue.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
kernel/rcu/update.c patch | blob | history

diff --cc kernel/rcu/update.c
Simple merge
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