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Diffstat (limited to 'Documentation/RCU/Design/Requirements/Requirements.rst')
| -rw-r--r-- | Documentation/RCU/Design/Requirements/Requirements.rst | 2 |
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 |