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-rw-r--r--Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst8
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst
index 1a8b129cfc04..83ae3b79a643 100644
--- a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst
+++ b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst
@@ -4,7 +4,7 @@ A Tour Through TREE_RCU's Grace-Period Memory Ordering
August 8, 2017
-This article was contributed by Paul E. McKenney
+This article was contributed by Paul E. McKenney
Introduction
============
@@ -48,7 +48,7 @@ Tree RCU Grace Period Memory Ordering Building Blocks
The workhorse for RCU's grace-period memory ordering is the
critical section for the ``rcu_node`` structure's
-``->lock``. These critical sections use helper functions for lock
+``->lock``. These critical sections use helper functions for lock
acquisition, including ``raw_spin_lock_rcu_node()``,
``raw_spin_lock_irq_rcu_node()``, and ``raw_spin_lock_irqsave_rcu_node()``.
Their lock-release counterparts are ``raw_spin_unlock_rcu_node()``,
@@ -102,9 +102,9 @@ lock-acquisition and lock-release functions::
23 r3 = READ_ONCE(x);
24 }
25
- 26 WARN_ON(r1 == 0 && r2 == 0 && r3 == 0);
+ 26 WARN_ON(r1 == 0 && r2 == 0 && r3 == 0);
-The ``WARN_ON()`` is evaluated at “the end of time”,
+The ``WARN_ON()`` is evaluated at "the end of time",
after all changes have propagated throughout the system.
Without the ``smp_mb__after_unlock_lock()`` provided by the
acquisition functions, this ``WARN_ON()`` could trigger, for example