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-rw-r--r--Documentation/RCU/Design/Requirements/Requirements.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/RCU/Design/Requirements/Requirements.rst b/Documentation/RCU/Design/Requirements/Requirements.rst
index 75b8ca007a11..50d5c43c48b0 100644
--- a/Documentation/RCU/Design/Requirements/Requirements.rst
+++ b/Documentation/RCU/Design/Requirements/Requirements.rst
@@ -463,7 +463,7 @@ again without disrupting RCU readers.
This guarantee was only partially premeditated. DYNIX/ptx used an
explicit memory barrier for publication, but had nothing resembling
``rcu_dereference()`` for subscription, nor did it have anything
-resembling the ``smp_read_barrier_depends()`` that was later subsumed
+resembling the dependency-ordering barrier that was later subsumed
into ``rcu_dereference()`` and later still into ``READ_ONCE()``. The
need for these operations made itself known quite suddenly at a
late-1990s meeting with the DEC Alpha architects, back in the days when