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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-11-28 10:42:42 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2011-12-11 10:32:06 -0800
commit3842a0832a1d6eb0b31421f8810a813135967512 (patch)
tree67aff02fde9c32e647d7b3c4cea948d7867f664d /include/trace
parentf0e7c19db8798b4b991a2c71911e71f5dfdb348f (diff)
rcu: Document same-context read-side constraints
The intent is that a given RCU read-side critical section be confined to a single context. For example, it is illegal to invoke rcu_read_lock() in an exception handler and then invoke rcu_read_unlock() from the context of the task that received the exception. Suggested-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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