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authorXiongwei Song <sxwjean@gmail.com>2021-05-24 18:05:45 +0300
committerPeter Zijlstra <peterz@infradead.org>2021-05-31 11:14:54 +0300
commitfab6216fafdd74cd84de929ffe7b787976d32cff (patch)
treee390927212e8c930a8e9ce1333e06ae73fefa1b9
parentbccf1ec369ac126b0997d01a6e1deae00e2cf6b3 (diff)
downloadlinux-fab6216fafdd74cd84de929ffe7b787976d32cff.tar.xz
locking/lockdep,doc: Improve readability of the block matrix
The block condition matrix is using 'E' as the writer notation, however, the writer reminder below the matrix is using 'W', to make them consistent and make the matrix more readable, we'd better to use 'W' to represent writer. Suggested-by: Waiman Long <llong@redhat.com> Suggested-by: Boqun Feng <boqun.feng@gmail.com> Signed-off-by: Xiongwei Song <sxwjean@gmail.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Boqun Feng <boqun.feng@gmail.com> Link: https://lkml.kernel.org/r/1621868745-23311-1-git-send-email-sxwjean@me.com
-rw-r--r--Documentation/locking/lockdep-design.rst4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/locking/lockdep-design.rst b/Documentation/locking/lockdep-design.rst
index 9f3cfca9f8a4..82f36cab61bd 100644
--- a/Documentation/locking/lockdep-design.rst
+++ b/Documentation/locking/lockdep-design.rst
@@ -453,9 +453,9 @@ There are simply four block conditions:
Block condition matrix, Y means the row blocks the column, and N means otherwise.
+---+---+---+---+
- | | E | r | R |
+ | | W | r | R |
+---+---+---+---+
- | E | Y | Y | Y |
+ | W | Y | Y | Y |
+---+---+---+---+
| r | Y | Y | N |
+---+---+---+---+