From: SeongJae Park <sjpark@xxxxxxxxx> Commit ccc9971e2147 ("docs: rcu: convert some articles from html to ReST") has converted a few of html RCU docs into ReST files, but a few of html tags which not supported on rst is remaining. This commit converts those to ReST appropriate alternatives. Signed-off-by: SeongJae Park <sjpark@xxxxxxxxx> --- .../Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst | 8 ++++---- 1 file 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 -- 2.17.1