rcu: Improve RCU-tasks energy efficiency

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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>

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Paul E. McKenney 2014-07-28 14:39:25 -07:00

parent 52db30ab23

commit c7b24d2b9a

1 changed files with 12 additions and 2 deletions

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kernel/rcu/update.c

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