Paul E. McKenney b5eaeaa509 srcu: Allow early boot use of synchronize_srcu() ...

This commit checks for pre-scheduler state, and if that early in the
boot process, synchronize_srcu() and friends are no-ops.

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

2017-04-18 11:38:18 -07:00

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