From: Arjan van de Ven <arjan@infradead.org>
To: Li Zefan <lizf@cn.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>, Steven Rostedt <rostedt@goodmis.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] compiler: Introduce __always_unused
Date: Sun, 1 Nov 2009 17:15:42 -0800 [thread overview]
Message-ID: <20091101171542.56a44a49@infradead.org> (raw)
In-Reply-To: <4AEE2CEC.8040206@cn.fujitsu.com>
On Mon, 02 Nov 2009 08:50:52 +0800
Li Zefan <lizf@cn.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
For development, discussion and tips for power savings,
visit http://www.lesswatts.org
next prev parent reply other threads:[~2009-11-02 1:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-02 0:50 Li Zefan
2009-11-02 0:51 ` [PATCH 2/2] tracing: Fix to use __always_unused attribute Li Zefan
2009-11-02 16:16 ` [tip:tracing/core] " tip-bot for Li Zefan
2009-11-02 1:15 ` Arjan van de Ven [this message]
2009-11-02 2:04 ` [PATCH 1/2] compiler: Introduce __always_unused Li Zefan
2009-11-02 16:15 ` [tip:tracing/core] " tip-bot for Li Zefan
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