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rcu: use softirq instead of kthreads except when RCU_BOOST=y
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Wed, 15 Jun 2011 22:47:09 +0000 (15:47 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 16 Jun 2011 06:07:21 +0000 (23:07 -0700)
This patch #ifdefs RCU kthreads out of the kernel unless RCU_BOOST=y,
thus eliminating context-switch overhead if RCU priority boosting has
not been configured.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

No differences found
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