rcu: Reduce latency of rcu_prepare_for_idle()
authorPaul E. McKenney <paul.mckenney@linaro.org>
Wed, 23 Nov 2011 05:08:13 +0000 (21:08 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Sun, 11 Dec 2011 18:32:03 +0000 (10:32 -0800)
commit3ad0decf98d97b9039d8ed47cee287366b929cdf
tree3d6c02ceb148b55b9632422346978bf369e790e9
parentf535a607c13c7b674e0788ca5765779aa74a01c3
rcu: Reduce latency of rcu_prepare_for_idle()

Re-enable interrupts across calls to quiescent-state functions and
also across force_quiescent_state() to reduce latency.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
kernel/rcutree_plugin.h