tree 9ff5ec129e59667341aa07120720b6e4a5ced4d9
parent 2036d94a7b61ca5032ce90f2bda06afec0fe713e
author Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1328047241 -0800
committer Paul E. McKenney <paulmck@linux.vnet.ibm.com> 1329843968 -0800

rcu: Call out dangers of expedited RCU primitives

The expedited RCU primitives can be quite useful, but they have some
high costs as well.  This commit updates and creates docbook comments
calling out the costs, and updates the RCU documentation as well.

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