Re: Re: checkpatch: support deprecated terms checking

[Joe Perches <joe@perches.com>]

On Sun, 2020-07-26 at 01:35 +0200, SeongJae Park wrote:
> On Sat, 25 Jul 2020 10:29:23 -0700 Joe Perches <joe@perches.com> wrote:
> 
> > On Sat, 2020-07-25 at 15:02 +0200, Michał Mirosław wrote:
> > > Hello,
> > > 
> > > I see that this patch went into next and is already inciting people to
> > > do wrong things [1]. Can you please fix it to require '--subjective'
> > > switch or otherwise mark it clearly as suggestion-only?
> > > 
> > > The coding-style as in Linus' master says about *NEW* uses of the words
> > > listed (those introductions I expect to be actually rare) and not about
> > > existing use in the code or industry. Making a noise about all uses
> > > found surely will generate a lot more irrelevant patches.
> > > 
> > > [1] https://www.spinics.net/lists/linux-tegra/msg51849.html
> > 
> > And if not reverted, perhaps do not check existing files
> > at all but only check patches and change the message to
> > show only suggestions not from a specification.
> 
> Agreed for this case.  However, excluding existing file check doesn't fully
> avoid this problem.  Also, more terms having different deprecation rules might
> be added in future.  How about allowing file check but show reference in the
> suggestion message as below?

The general problem is that drivers/staging, net/ and drivers/net
all have --strict on by default.

Emitting these deprecated terms messages with -f --file uses for
files in those directories isn't a great idea.

> diff --git a/scripts/deprecated_terms.txt b/scripts/deprecated_terms.txt
[]
> @@ -3,8 +3,10 @@
>  # The format of each line is:
>  # deprecated||suggested
>  #
> +# If special rules are applied on the terms, please comment those.

Disagree.  Comments about these existing uses aren't helpful.

> +#
> +# Refer to "4) Naming" section of Documentation/process/coding-style.rst for
> +# below three terms.
>  blacklist||(denylist|blocklist)
> -# For other alternatives of 'slave', Please refer to
> -# Documentation/process/coding-style.rst
>  slave||(secondary|target|...)
>  whitelist||(allowlist|passlist)