linux-kernel - Re: [PATCH] doc-guide: kernel-doc: add comment about formatting verification

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Date:   Tue, 20 Feb 2018 07:03:06 -0800
From:   Matthew Wilcox <willy@...radead.org>
To:     Mike Rapoport <rppt@...ux.vnet.ibm.com>
Cc:     Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] doc-guide: kernel-doc: add comment about formatting
 verification

On Tue, Feb 20, 2018 at 04:54:44PM +0200, Mike Rapoport wrote:
>  level.
>  
> +Running the ``kernel-doc`` tool with increased verbosity and without actual
> +output generation may be used to verify proper formating of the

"formatting"

> +documentation comments. For example::
> +
> +	scripts/kernel-doc -v -none drivers/foo/bar.c
> +
>  Function documentation
>  ----------------------

And that's not exactly true.  "make W=1" will run that exact command.
For example:

$ make W=1 net/ipv4/
(...)
  CC      net/ipv4/tcp_input.o
net/ipv4/tcp_input.c:4279: warning: Excess function parameter 'dest' description in 'tcp_try_coalesce'
  CC      net/ipv4/tcp_output.o
net/ipv4/tcp_output.c:3177: warning: Function parameter or member 'sk' not described in 'tcp_make_synack'
(...)

perhaps sneak that information in there somewhere.

Also it'll prompt people to run with W=1, so perhaps they'll fix their
more-easily-fixed warnings ;-)