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To: Adrian Bunk <bunk@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org,
       Andreas Schwab <schwab@suse.de>, Alan Modra <alan@linuxcare.com.au>,
       David Mosberger-Tang <davidm@hpl.hp.com>
Subject: Re: sched.c: why -fno-omit-frame-pointer?
References: <20070819141732.GD32595@stusta.de>
From: Andi Kleen <andi@firstfloor.org>
Date: 20 Aug 2007 01:00:17 +0200
In-Reply-To: <20070819141732.GD32595@stusta.de>
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Adrian Bunk <bunk@kernel.org> writes:
> 
> Is the -fno-omit-frame-pointer still required for some reason, or is 
> this a relict that could be removed?

It's needed so that the WCHAN /proc display can backtrace one
level up out of schedule()

-Andi