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| author | Frederic Weisbecker <frederic@kernel.org> | 2021-04-04 23:58:43 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2021-05-11 00:39:19 +0200 |
| commit | 58d0db869d7ab8ca97b521f167022caa2c42cbe7 (patch) | |
| tree | 19d47f0829513cb6d2aafaae2fd676615c5fc903 | |
| parent | doc: Fix statement of RCU's memory-ordering requirements (diff) | |
| download | linux-58d0db869d7ab8ca97b521f167022caa2c42cbe7.tar.xz linux-58d0db869d7ab8ca97b521f167022caa2c42cbe7.zip | |
doc: Fix diagram references in memory-ordering document
The three diagrams describing rcu_gp_init() all spuriously refer to
the same figure, probably due to a copy/paste issue. This commit fixes
these references.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
| -rw-r--r-- | Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst | 4 |
1 files changed, 2 insertions, 2 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 3f6ce41ee0c5..11cdab037bff 100644 --- a/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst +++ b/Documentation/RCU/Design/Memory-Ordering/Tree-RCU-Memory-Ordering.rst @@ -339,14 +339,14 @@ The diagram below shows the path of ordering if the leftmost leftmost ``rcu_node`` structure offlines its last CPU and if the next ``rcu_node`` structure has no online CPUs). -.. kernel-figure:: TreeRCU-gp-init-1.svg +.. kernel-figure:: TreeRCU-gp-init-2.svg The final ``rcu_gp_init()`` pass through the ``rcu_node`` tree traverses breadth-first, setting each ``rcu_node`` structure's ``->gp_seq`` field to the newly advanced value from the ``rcu_state`` structure, as shown in the following diagram. -.. kernel-figure:: TreeRCU-gp-init-1.svg +.. kernel-figure:: TreeRCU-gp-init-3.svg This change will also cause each CPU's next call to ``__note_gp_changes()`` to notice that a new grace period has started, |