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From: Andrew Morton <akpm@linux-foundation.org>
To: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>,
	Adil Mujeeb <mujeeb.adil@gmail.com>, Pavel Machek <pavel@ucw.cz>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 3/3] checkpatch: Emit an warning when floating point values are used
Date: Tue, 6 Nov 2012 15:36:25 -0800	[thread overview]
Message-ID: <20121106153625.c48ba1f1.akpm@linux-foundation.org> (raw)
In-Reply-To: <359a78054bc0dfaedede95222781b4177d3c33ce.1351736873.git.joe@perches.com>

On Thu,  1 Nov 2012 00:12:18 -0700
Joe Perches <joe@perches.com> wrote:

> Linux kernel doesn't like floating point, say so.
> 
> ...
>
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -2332,6 +2332,13 @@ sub process {
>  			     "do not add new typedefs\n" . $herecurr);
>  		}
>  
> +# check for floating point constants
> +
> +		if ($line =~ /\b$Float\b/) {
> +			WARN("KERNEL_FLOAT",
> +			     "Floating point is not supported in linux kernel source\n" . $herecurr);
> +		}
> +
>  # * goes on variable not on type
>  		# (char*[ const])
>  		while ($line =~ m{(\($NonptrType(\s*(?:$Modifier\b\s*|\*\s*)+)\))}g) {

The earlier review comments were not addressed.

In particular, I don't see a problem with people doing

	int foo = 1.1 * 2.2;

  reply	other threads:[~2012-11-06 23:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-01  7:10 [PATCH V2 0/3] checkpatch: Add support for floating point constants Joe Perches
2012-11-01  7:12 ` [PATCH V2 1/3] checkpatch: Find hex constants as a single IDENT Joe Perches
2012-11-01  7:12 ` [PATCH V2 2/3] checkpatch: Add support for floating point constants Joe Perches
2012-11-01  7:12 ` [PATCH V2 3/3] checkpatch: Emit an warning when floating point values are used Joe Perches
2012-11-06 23:36   ` Andrew Morton [this message]
2012-11-07  9:40     ` Andy Whitcroft
2012-11-07 11:09     ` Joe Perches
2012-11-07 16:52       ` Andrew Morton

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