rcu: Warn when srcu_read_lock() is used in an extended quiescent state
Catch SRCU up to the other variants of RCU by making PROVE_RCU complain if either 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: NPaul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: NFrederic Weisbecker <fweisbec@gmail.com> Signed-off-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: NJosh Triplett <josh@joshtriplett.org>
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