Commit b15a2e7d authored Jun 07, 2011 by Paul E. McKenney

rcu: Fix RCU's NMI documentation



It has long been the case that the architecture must call nmi_enter()
and nmi_exit() rather than irq_enter() and irq_exit() in order to
permit RCU read-side critical sections in NMIs.  Catch the documentation
up with reality.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

parent bdf2a436

Documentation/RCU/NMI-RCU.txt

+1 −1

Original line number	Diff line number	Diff line
		@@ -95,7 +95,7 @@ not to return until all ongoing NMI handlers exit. It is therefore safe
		to free up the handler's data as soon as synchronize_sched() returns.

		Important note: for this to work, the architecture in question must
		invoke irq_enter() and irq_exit() on NMI entry and exit, respectively.
		invoke nmi_enter() and nmi_exit() on NMI entry and exit, respectively.


		Answer to Quick Quiz