Paul E. McKenney d8936c0b7e documentation: Explain why rcu_read_lock() needs no barrier() ... This commit adds a Quick Quiz whose answer explains why the compiler code reordering enabled by CONFIG_PREEMPT=n's empty rcu_read_lock() and rcu_read_unlock() functions does not hinder RCU's ability to figure out which RCU read-side critical sections have completed and not. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>		2016-03-31 13:33:20 -07:00
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Requirements	documentation: Explain why rcu_read_lock() needs no barrier()	2016-03-31 13:33:20 -07:00
htmlqqz.sh