linux-kernel - Re: [PATCH] checkpatch: Warn on code with 6+ tab indentation

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Message-ID: <1328319226.21255.28.camel@joe2Laptop>
Date:	Fri, 03 Feb 2012 17:33:46 -0800
From:	Joe Perches <joe@...ches.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Andy Whitcroft <apw@...dowen.org>, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Cyrill Gorcunov <gorcunov@...nvz.org>,
	linux-kernel@...r.kernel.org,
	Pavel Emelyanov <xemul@...allels.com>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Kees Cook <keescook@...omium.org>, Tejun Heo <tj@...nel.org>,
	Andrew Vagin <avagin@...nvz.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Andi Kleen <andi@...stfloor.org>,
	KOSAKI Motohiro <kosaki.motohiro@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Glauber Costa <glommer@...allels.com>,
	Matt Helsley <matthltc@...ibm.com>,
	Pekka Enberg <penberg@...nel.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Vasiliy Kulikov <segoon@...nwall.com>, Valdis.Kletnieks@...edu
Subject: Re: [PATCH] checkpatch: Warn on code with 6+ tab indentation

On Fri, 2012-02-03 at 17:27 -0800, Linus Torvalds wrote:
> On Fri, Feb 3, 2012 at 3:20 PM, Joe Perches <joe@...ches.com> wrote:
> > Overly indented code should be refactored.
> > Suggest refactoring excessive indentation of
> > of if/else/for/do/while/switch statements.
> I hate this patch.

You liked the same premise, but a worse
implementation, a couple years ago.
https://lkml.org/lkml/2009/12/18/289

> Why? Because mindless checks like this would just lead to people
> making things worse and intermixing spaces there instead.

Can't happen.
They'll get a different warning about mixing tabs
and spaces or starting a line with spaces only.

> Don't warn about things that will just result in people working around
> the warnings with worse code!

It merely suggests refactoring. ie: better code.

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