rcu: Eliminate ->onoff_mutex from rcu_node structure
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Sat, 24 Jan 2015 06:29:37 +0000 (22:29 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Thu, 12 Mar 2015 22:19:37 +0000 (15:19 -0700)
commitc199068913c9c5cbb5498e289bb387703e087ea8
treea2d6fa7368bd2b0ef71a600586db5a761d6e533d
parent0aa04b055e71bd3b8040dd71a126126c66b6f01e
rcu: Eliminate ->onoff_mutex from rcu_node structure

Because that RCU grace-period initialization need no longer exclude
CPU-hotplug operations, this commit eliminates the ->onoff_mutex and
its uses.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
kernel/rcu/tree.c
kernel/rcu/tree.h