Paul E. McKenney 73d4da4d36 rcu: Upgrade srcu_read_lock() docbook about SRCU grace periods ...

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>

2010-08-20 09:00:15 -07:00

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