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

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Date:	Mon, 9 Jul 2012 06:19:22 -0300
From:	Marcos Souza <marcos.souza.org@...il.com>
To:	Joe Perches <joe@...ches.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

2012/7/9 Joe Perches <joe@...ches.com>
>
> 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.

Not in this case. After each changes in a file, I compiled all driver again.

> 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.

True! The tool is under development. A more robust method will be
 implemented, but for now, the tool can find the most "easy" dead macros.

> Also, the tool might be more flexible if it was
> written using perl or python.
>
Yeah, I believe it's true!

Thanks for the comments!

But, for the changes, do I have your ack?

Thanks Joe!

--
Att,

Marcos Paulo de Souza
Acadêmico de Ciencia da Computação - FURB - SC
"Uma vida sem desafios é uma vida sem razão"
"A life without challenges, is a non reason life"
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