From: Pekka Enberg <penberg@kernel.org>
To: Joe Perches <joe@perches.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andy Whitcroft <apw@shadowen.org>,
Andrew Morton <akpm@linux-foundation.org>,
Cyrill Gorcunov <gorcunov@openvz.org>,
linux-kernel@vger.kernel.org,
Pavel Emelyanov <xemul@parallels.com>,
Serge Hallyn <serge.hallyn@canonical.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Kees Cook <keescook@chromium.org>, Tejun Heo <tj@kernel.org>,
Andrew Vagin <avagin@openvz.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Alexey Dobriyan <adobriyan@gmail.com>,
Andi Kleen <andi@firstfloor.org>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Glauber Costa <glommer@parallels.com>,
Matt Helsley <matthltc@us.ibm.com>,
Eric Dumazet <eric.dumazet@gmail.com>,
Vasiliy Kulikov <segoon@openwall.com>,
Valdis.Kletnieks@vt.edu
Subject: Re: [PATCH, v2] checkpatch: Warn on code with 6+ tab indentation, remove 80col warning
Date: Sat, 4 Feb 2012 21:32:32 +0200 [thread overview]
Message-ID: <CAOJsxLEBWXjUj9FUwg=9dXvkJeD8Eo7NL4kgObO6MH+duf8fQQ@mail.gmail.com> (raw)
In-Reply-To: <1328383659.7008.7.camel@joe2Laptop>
On Sat, Feb 4, 2012 at 9:27 PM, Joe Perches <joe@perches.com> wrote:
>> The practical downsides of the current warning are much more severe. I
>> personally don't use checkpatch much these days because of the silly
>> fixed limit.
>
> More likely you developed a keen sense of
> kernel style appropriateness and don't need
> any checkpatch nannying.
No, it just means more trivially fixable issues slip through the cracks.
On Sat, Feb 4, 2012 at 9:27 PM, Joe Perches <joe@perches.com> wrote:
> I don't disagree with something like setting
> the normally allowed line length to 100 and
> maybe keeping a --strict limit to 80.
>
> Something like:
>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 2b52aeb..7602bce 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -34,6 +34,9 @@ my @ignore = ();
> my $help = 0;
> my $configuration_file = ".checkpatch.conf";
>
> +my $max_line_length_warn = 100; # normal cases
> +my $max_line_length_strict = 80; # when using --strict
> +
> sub help {
> my ($exitcode) = @_;
>
> @@ -1726,15 +1729,19 @@ sub process {
> # check we are in a valid source file if not then ignore this hunk
> next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/);
>
> -#80 column limit
> +# check line length limit
> if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ &&
> $rawline !~ /^.\s*\*\s*\@$Ident\s/ &&
> !($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(KERN_\S+\s*|[^"]*))?"[X\t]*"\s*(?:|,|\)\s*;)\s*$/ ||
> - $line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) &&
> - $length > 80)
> - {
> - WARN("LONG_LINE",
> - "line over 80 characters\n" . $herecurr);
> + $line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) {
> + if ($length > $max_line_len_strict) {
> + CHK("LONG_LINE",
> + "line over $max_line_len_strict characters\n" . $herecurr);
> + }
> + if ($length > $max_line_len_warn) {
> + WARN("LONG_LINE",
> + "line over $max_line_len_warn characters\n" . $herecurr);
> + }
> }
>
> # check for spaces before a quoted newline
I'm fine with something like this too.
next prev parent reply other threads:[~2012-02-04 19:32 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-30 14:09 [patch cr 0/4] [patch cr 0/@total@] Cyrill Gorcunov
2012-01-30 14:09 ` [patch cr 1/4] fs, proc: Introduce /proc/<pid>/task/<tid>/children entry v9 Cyrill Gorcunov
2012-01-30 14:09 ` [patch cr 2/4] [RFC] syscalls, x86: Add __NR_kcmp syscall v7 Cyrill Gorcunov
2012-01-30 19:58 ` Jonathan Corbet
2012-01-30 21:07 ` Cyrill Gorcunov
2012-01-30 21:11 ` H. Peter Anvin
2012-02-02 23:26 ` Andrew Morton
2012-02-03 2:27 ` H. Peter Anvin
2012-02-03 7:09 ` Cyrill Gorcunov
2012-02-03 7:46 ` Ingo Molnar
2012-02-03 8:35 ` Cyrill Gorcunov
2012-02-03 9:09 ` Ingo Molnar
2012-02-03 9:22 ` Andrew Morton
2012-02-03 9:28 ` Cyrill Gorcunov
2012-02-03 17:32 ` H. Peter Anvin
2012-02-03 17:35 ` H. Peter Anvin
2012-02-03 17:42 ` Cyrill Gorcunov
2012-02-03 9:52 ` Ingo Molnar
2012-02-03 10:07 ` [PATCH] SubmittingPatches: Increase the line length limit from 80 to 100 colums Ingo Molnar
2012-02-03 10:17 ` Pekka Enberg
2012-02-03 10:23 ` Cyrill Gorcunov
2012-02-03 10:40 ` Alexey Dobriyan
2012-02-03 16:13 ` Tejun Heo
2012-02-03 16:39 ` hpanvin@gmail.com
2012-02-03 17:56 ` Andi Kleen
2012-02-03 20:57 ` Andrew Morton
2012-02-03 21:00 ` H. Peter Anvin
2012-02-03 21:06 ` H. Peter Anvin
2012-02-04 13:08 ` Ingo Molnar
2012-02-03 21:27 ` Linus Torvalds
2012-02-03 23:20 ` [PATCH] checkpatch: Warn on code with 6+ tab indentation Joe Perches
2012-02-04 1:27 ` Linus Torvalds
2012-02-04 1:33 ` Joe Perches
2012-02-04 3:09 ` Linus Torvalds
2012-02-04 3:21 ` Joe Perches
2012-02-04 3:35 ` Linus Torvalds
2012-02-04 3:58 ` Joe Perches
2012-02-04 1:37 ` Andrew Morton
2012-02-04 2:40 ` Eric W. Biederman
2012-02-04 2:46 ` Joe Perches
2012-02-04 4:45 ` Tony Luck
2012-02-04 4:53 ` Joe Perches
2012-02-04 13:03 ` [PATCH, v2] checkpatch: Warn on code with 6+ tab indentation, remove 80col warning Ingo Molnar
2012-02-04 16:22 ` Joe Perches
2012-02-04 18:02 ` Ingo Molnar
2012-02-04 18:48 ` Joe Perches
2012-02-04 18:54 ` Pekka Enberg
2012-02-04 19:27 ` Joe Perches
2012-02-04 19:32 ` Pekka Enberg [this message]
2012-02-05 11:38 ` Ingo Molnar
2012-02-05 16:21 ` Joe Perches
2012-02-05 18:13 ` Ingo Molnar
2012-02-05 19:01 ` [PATCH] checkpatch: Add line-length options, set default to 100 Joe Perches
2012-02-06 12:36 ` Dan Carpenter
2012-02-04 1:24 ` [PATCH] SubmittingPatches: Increase the line length limit from 80 to 100 colums Randy Dunlap
2012-02-09 21:55 ` Jan Engelhardt
2012-02-09 22:09 ` Joe Perches
2012-02-09 22:30 ` Mark Brown
2012-01-30 14:09 ` [patch cr 3/4] c/r: procfs: add arg_start/end, env_start/end and exit_code members to /proc/$pid/stat Cyrill Gorcunov
2012-02-02 23:26 ` Andrew Morton
2012-02-03 7:11 ` Cyrill Gorcunov
2012-01-30 14:09 ` [patch cr 4/4] c/r: prctl: Extend PR_SET_MM to set up more mm_struct entries Cyrill Gorcunov
2012-02-02 23:27 ` Andrew Morton
2012-02-03 7:18 ` Cyrill Gorcunov
2012-02-02 23:26 ` [patch cr 0/4] [patch cr 0/@total@] Andrew Morton
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