linux-kernel - Re: [PATCH 0/6] staging: vt6655: Cleanup in usage of macros

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Date:	Sun, 08 Jul 2012 21:24:51 -0700
From:	Joe Perches <joe@...ches.com>
To:	Marcos Paulo de Souza <marcos.souza.org@...il.com>
Cc:	gregkh@...uxfoundation.org, andriy.shevchenko@...ux.intel.com,
	jj@...osbits.net, forest@...ttletooquiet.net,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/6] staging: vt6655: Cleanup in usage of macros

On Sun, 2012-07-08 at 23:51 -0300, Marcos Paulo de Souza wrote:
> Hi kernel guys!
> 
> This patchset aims to clean all unused and commented macros.
> 
> For this challenge, forgotten-macros tool helped us.

Perhaps there may be false positives in your code.

Many times, macros like the below are used:

#define SUBSYSTEM_PREFIX_FOO	1
#define SUBSYSTEM_PREFIX_BAR	2
#define SUBSYSTEM_PREFIX_BAZ	3

#define USE_TYPE(type)	SUBSYSTEM_PREFIX_##type

It doesn't seem your code knows that style.

Also, the tool might be more flexible if it was
written using perl or python.


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