linux-kernel - Re: [PATCH 1/2] compiler: Introduce __always

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Message-ID: <20091101171542.56a44a49@infradead.org>
Date:	Sun, 1 Nov 2009 17:15:42 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] compiler: Introduce __always_unused

On Mon, 02 Nov 2009 08:50:52 +0800
Li Zefan <lizf@...fujitsu.com> wrote:

Hi,

> I wrote some code which is used as compile-time checker, and the
> code should be elided after compile.
> +#define __always_unused
> __attribute__((unused)) 

I have a suggestion.
In addition to marking it attribute unused, would it be useful to also
put a section attribute as part of this, to a section that we can then
drop from the binary by way of the linker script ?



-- 
Arjan van de Ven 	Intel Open Source Technology Centre
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