linux-kernel - Re: [PATCH RFC v3 2/3] docs: add documentation for checkpatch

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Date:   Sun, 14 Feb 2021 08:57:40 -0800
From:   Joe Perches <joe@...ches.com>
To:     Dwaipayan Ray <dwaipayanray1@...il.com>
Cc:     linux-doc@...r.kernel.org, lukas.bulwahn@...il.com,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC v3 2/3] docs: add documentation for checkpatch

On Sat, 2021-02-13 at 18:45 +0530, Dwaipayan Ray wrote:
> Add documentation for kernel script checkpatch.pl.
> This documentation is also parsed by checkpatch to
> enable a verbose mode.
> 
> The message types in checkpatch are documented with rst
> field lists. A total of 33 checkpatch type descriptions
> are added.

Alphabetic ordering isn't that great for these entries.
Please group them by use:

whitespace/code layout style:
SPACING, TRAILING_WHITESPACE, LINE_SPACING

commit message defects:
BAD_SIGN_OFF, BAD_STABLE_ADDRESS_STYLE, COMMIT_COMMENT_SYMBOL, COMMIT_MESSAGE

Allocation style:
group: ALLOC_ARRAY_ARGS, ALLOC_SIZEOF_STRUCT, ALLOC_WITH_MULTIPLY

> diff --git a/Documentation/dev-tools/checkpatch.rst b/Documentation/dev-tools/checkpatch.rst
[]
> +4 Type Descriptions
> +-------------------
> +
> +This section contains a description of all the message types in checkpatch.
> +
> +.. Types in this section are also parsed by checkpatch.
> +.. Please keep the types sorted alphabetically.
> +
> +:ALLOC_ARRAY_ARGS:
> +  The first argument for kcalloc or kmalloc_array should be the
> +  number of elements.  sizeof() as the first argument is generally
> +  wrong.

If you look at the generated .html file, the output format  is poor.

It would probably be better to use
**<TYPE>**
for each of these blocks instead of
:<TYPE>:

and update the script appropriately.