rcu: Create an immutable rcu_data_p pointer to default rcu_data structure
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Wed, 4 Mar 2015 15:53:04 +0000 (07:53 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Wed, 27 May 2015 19:58:00 +0000 (12:58 -0700)
commit2927a689e8ad5c12d6300b41e873d2b7957bc0e1
tree1356c096fce1bef08241085779ce5cf69a229f9e
parentb28a7c016618e5e32e0703e3dd111dbba02715ff
rcu: Create an immutable rcu_data_p pointer to default rcu_data structure

This commit creates an immutable rcu_data_p pointer that references
rcu_preempt_data for TREE_PREEMPT_RCU builds and that references
rcu_sched_data for TREE_RCU builds.  This rcu_data_p pointer will enable
more code to move from #ifdef to IS_ENABLED().

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