her srcu_read_lock() or srcu_read_lock_held() are
used from within RCU-idle mode.

Frederic reworked this to allow for the new versions of his patches
that check for extended quiescent states.

Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Ws