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From: Waiman Long <llong@redhat.com>
To: Xiongwei Song <sxwjean@me.com>,
	peterz@infradead.org, mingo@redhat.com, will@kernel.org,
	boqun.feng@gmail.com, corbet@lwn.net
Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Xiongwei Song <sxwjean@gmail.com>
Subject: Re: [PATCH] docs: lockdep-design: improve readability of the block matrix
Date: Thu, 27 May 2021 09:37:59 -0400	[thread overview]
Message-ID: <6677ed15-4ae3-650d-bbfd-5b5436f3741b@redhat.com> (raw)
In-Reply-To: <1621868745-23311-1-git-send-email-sxwjean@me.com>

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>


  parent reply	other threads:[~2021-05-27 13:38 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
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 [this message]
2021-05-31 10:40 ` [tip: locking/core] locking/lockdep,doc: Improve " tip-bot2 for Xiongwei Song

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