tree 78158b4056fe1365d5086f66769abdc3ef2643c3
parent 09223371deac67d08ca0b70bd18787920284c967
author Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1308178029 -0700
committer Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1308204441 -0700

rcu: use softirq instead of kthreads except when RCU_BOOST=y

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>