Date: Mon, 24 Nov 2008 10:04:03 +0100
From: Ingo Molnar <mingo@elte.hu>
To: =?iso-8859-1?B?VPZy9ms=?= Edwin <edwintorok@gmail.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>,
       Thomas Gleixner <tglx@linutronix.de>,
       Steven Rostedt <rostedt@goodmis.org>,
       David Howells <dhowells@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] __used is needed for function referenced only from
	inline asm
Message-ID: <20081124090403.GA25218@elte.hu>
References: <1227514662-10848-1-git-send-email-edwintorok@gmail.com>
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* T?r?k Edwin <edwintorok@gmail.com> wrote:

> According to the gcc manual, the 'used' attribute should be applied to
> functions referenced only from inline assembly.
> This fixes a build failure with llvm-gcc-4.2, which deleted
> __mutex_lock_slowpath, __mutex_unlock_slowpath.
> 
> Signed-off-by: T?r?k Edwin <edwintorok@gmail.com>
> ---
>  kernel/mutex.c |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)

quite sad - it's gcc inline assembly after all - applied to 
tip/core/locking (for v2.6.29). Should this get into v2.6.28 too?

	Ingo
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