Re: [PATCH] docs: lockdep-design: correct the notation for writer

From: Boqun Feng
Date: Fri May 21 2021 - 04:55:40 EST


On Fri, May 21, 2021 at 02:29:54PM +0800, Xiongwei Song wrote:
> From: Xiongwei Song <sxwjean@xxxxxxxxx>
>
> The block condition matrix is using 'E' as the writer noation here, so it
> would be better to use 'E' as the reminder rather than 'W'.
>

Good catch!

> Signed-off-by: Xiongwei Song <sxwjean@xxxxxxxxx>

Reviewed-by: Boqun Feng <boqun.feng@xxxxxxxxx>

Regards,
Boqun

> ---
> Documentation/locking/lockdep-design.rst | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/locking/lockdep-design.rst b/Documentation/locking/lockdep-design.rst
> index 9f3cfca..c3b923a 100644
> --- a/Documentation/locking/lockdep-design.rst
> +++ b/Documentation/locking/lockdep-design.rst
> @@ -462,7 +462,7 @@ Block condition matrix, Y means the row blocks the column, and N means otherwise
> | R | Y | Y | N |
> +---+---+---+---+
>
> - (W: writers, r: non-recursive readers, R: recursive readers)
> + (E: writers, r: non-recursive readers, R: recursive readers)
>
>
> acquired recursively. Unlike non-recursive read locks, recursive read locks
> --
> 2.7.4
>