rcu: Upgrade srcu_read_lock() docbook about SRCU grace periods
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Mon, 16 Aug 2010 17:50:54 +0000 (10:50 -0700)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Fri, 20 Aug 2010 16:00:15 +0000 (09:00 -0700)
It is illegal to wait for an SRCU grace period while within the
corresponding flavor of SRCU read-side critical section.  Therefore,
this commit updates the srcu_read_lock() docbook accordingly.

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

Simple merge