* [PATCH] docs: lockdep-design: improve readability of the block matrix
@ 2021-05-24 15:05 Xiongwei Song
2021-05-27 3:30 ` Boqun Feng
` (2 more replies)
0 siblings, 3 replies; 5+ messages in thread
From: Xiongwei Song @ 2021-05-24 15:05 UTC (permalink / raw)
To: peterz, mingo, will, longman, boqun.feng, corbet
Cc: linux-doc, linux-kernel, Xiongwei Song
From: Xiongwei Song <sxwjean@gmail.com>
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>
---
Documentation/locking/lockdep-design.rst | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/locking/lockdep-design.rst b/Documentation/locking/lockdep-design.rst
index 9f3cfca..82f36ca 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 |
+---+---+---+---+
--
2.7.4
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] docs: lockdep-design: improve readability of the block matrix
2021-05-24 15:05 [PATCH] docs: lockdep-design: improve readability of the block matrix Xiongwei Song
@ 2021-05-27 3:30 ` Boqun Feng
2021-05-27 7:04 ` Peter Zijlstra
2021-05-27 13:37 ` Waiman Long
2021-05-31 10:40 ` [tip: locking/core] locking/lockdep,doc: Improve " tip-bot2 for Xiongwei Song
2 siblings, 1 reply; 5+ messages in thread
From: Boqun Feng @ 2021-05-27 3:30 UTC (permalink / raw)
To: Xiongwei Song
Cc: peterz, mingo, will, longman, corbet, linux-doc, linux-kernel,
Xiongwei Song
On Mon, May 24, 2021 at 11:05:45PM +0800, Xiongwei Song wrote:
> From: Xiongwei Song <sxwjean@gmail.com>
>
> 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>
Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Regards,
Boqun
> ---
> Documentation/locking/lockdep-design.rst | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/locking/lockdep-design.rst b/Documentation/locking/lockdep-design.rst
> index 9f3cfca..82f36ca 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 |
> +---+---+---+---+
> --
> 2.7.4
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] docs: lockdep-design: improve readability of the block matrix
2021-05-27 3:30 ` Boqun Feng
@ 2021-05-27 7:04 ` Peter Zijlstra
0 siblings, 0 replies; 5+ messages in thread
From: Peter Zijlstra @ 2021-05-27 7:04 UTC (permalink / raw)
To: Boqun Feng
Cc: Xiongwei Song, mingo, will, longman, corbet, linux-doc,
linux-kernel, Xiongwei Song
On Thu, May 27, 2021 at 11:30:14AM +0800, Boqun Feng wrote:
> On Mon, May 24, 2021 at 11:05:45PM +0800, Xiongwei Song wrote:
> > From: Xiongwei Song <sxwjean@gmail.com>
> >
> > 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>
>
> Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Thanks!
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] docs: lockdep-design: improve readability of the block matrix
2021-05-24 15:05 [PATCH] docs: lockdep-design: improve readability of the block matrix Xiongwei Song
2021-05-27 3:30 ` Boqun Feng
@ 2021-05-27 13:37 ` Waiman Long
2021-05-31 10:40 ` [tip: locking/core] locking/lockdep,doc: Improve " tip-bot2 for Xiongwei Song
2 siblings, 0 replies; 5+ messages in thread
From: Waiman Long @ 2021-05-27 13:37 UTC (permalink / raw)
To: Xiongwei Song, peterz, mingo, will, boqun.feng, corbet
Cc: linux-doc, linux-kernel, Xiongwei Song
On 5/24/21 11:05 AM, Xiongwei Song wrote:
> From: Xiongwei Song <sxwjean@gmail.com>
>
> 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>
> ---
> Documentation/locking/lockdep-design.rst | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/locking/lockdep-design.rst b/Documentation/locking/lockdep-design.rst
> index 9f3cfca..82f36ca 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 |
> +---+---+---+---+
Acked-by: Waiman Long <longman@redhat.com>
^ permalink raw reply [flat|nested] 5+ messages in thread
* [tip: locking/core] locking/lockdep,doc: Improve readability of the block matrix
2021-05-24 15:05 [PATCH] docs: lockdep-design: improve readability of the block matrix Xiongwei Song
2021-05-27 3:30 ` Boqun Feng
2021-05-27 13:37 ` Waiman Long
@ 2021-05-31 10:40 ` tip-bot2 for Xiongwei Song
2 siblings, 0 replies; 5+ messages in thread
From: tip-bot2 for Xiongwei Song @ 2021-05-31 10:40 UTC (permalink / raw)
To: linux-tip-commits
Cc: Waiman Long, Boqun Feng, Xiongwei Song, Peter Zijlstra (Intel),
x86, linux-kernel
The following commit has been merged into the locking/core branch of tip:
Commit-ID: fab6216fafdd74cd84de929ffe7b787976d32cff
Gitweb: https://git.kernel.org/tip/fab6216fafdd74cd84de929ffe7b787976d32cff
Author: Xiongwei Song <sxwjean@gmail.com>
AuthorDate: Mon, 24 May 2021 23:05:45 +08:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Mon, 31 May 2021 10:14:54 +02:00
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
---
Documentation/locking/lockdep-design.rst | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/locking/lockdep-design.rst b/Documentation/locking/lockdep-design.rst
index 9f3cfca..82f36ca 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 |
+---+---+---+---+
^ permalink raw reply related [flat|nested] 5+ messages in thread
end of thread, other threads:[~2021-05-31 10:40 UTC | newest]
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2021-05-24 15:05 [PATCH] docs: lockdep-design: improve readability of the block matrix Xiongwei Song
2021-05-27 3:30 ` Boqun Feng
2021-05-27 7:04 ` Peter Zijlstra
2021-05-27 13:37 ` Waiman Long
2021-05-31 10:40 ` [tip: locking/core] locking/lockdep,doc: Improve " tip-bot2 for Xiongwei Song
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