linux-kernel - Re: [PATCH v2] checkpatch: allow build files to reference other build files

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Message-ID: <ZbduU15kw5R42awj@buildd.core.avm.de>
Date: Mon, 29 Jan 2024 10:22:27 +0100
From: Nicolas Schier <n.schier@....de>
To: Will McVicker <willmcvicker@...gle.com>
Cc: Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>,
	Dwaipayan Ray <dwaipayanray1@...il.com>,
	Lukas Bulwahn <lukas.bulwahn@...il.com>,
	linux-kbuild@...r.kernel.org, kernel-team@...roid.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] checkpatch: allow build files to reference other
 build files

On Fri, Jan 12, 2024 at 02:19:46PM -0800, Will McVicker wrote:
> Add an exception to the EMBEDDED_FILENAME warning for build files. This

As far as I can see, your patch fixes only the checkpatch warnings for
top-level Makefile and Kconfig (and leaving out top-level Kbuild).
Other build files are not affected, right?

Kind regards,
Nicolas


> fixes the below warnings where the Kconfig and Makefile files reference
> other similarly named build files.
> 
>   WARNING:EMBEDDED_FILENAME: It's generally not useful to have the filename in the file
>   #24: FILE: Kconfig:34:
>   +source "drivers/willmcvicker/Kconfig"
> 
>   WARNING:EMBEDDED_FILENAME: It's generally not useful to have the filename in the file
>   #36: FILE: Makefile:667:
>   +	} > Makefile
> 
> Signed-off-by: Will McVicker <willmcvicker@...gle.com>
> ---
>  scripts/checkpatch.pl | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> v2:
> - Unwrap commit message lines
> - Align and update regex
> 
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index f8343b34a28b..c2869803e545 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -3785,7 +3785,8 @@ sub process {
>  		}
>  
>  # check for embedded filenames
> -		if ($rawline =~ /^\+.*\b\Q$realfile\E\b/) {
> +		if ($rawline =~ /^\+.*\b\Q$realfile\E\b/ &&
> +		    $realfile !~ /(?:Kconfig|Makefile)/) {
>  			WARN("EMBEDDED_FILENAME",
>  			     "It's generally not useful to have the filename in the file\n" . $herecurr);
>  		}
> 
> base-commit: 70d201a40823acba23899342d62bc2644051ad2e
> -- 
> 2.43.0.275.g3460e3d667-goog
>