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Subject: Re: sched.c: why -fno-omit-frame-pointer?
From: Arjan van de Ven <arjan@infradead.org>
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>
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Organization: Intel International BV
Date: Sun, 19 Aug 2007 14:05:23 -0700
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On Sun, 2007-08-19 at 16:17 +0200, Adrian Bunk wrote:
> kernel/sched.c gets compiled with -fno-omit-frame-pointer, and this was 
> already done in kernel 1.0 (sic).
> 
> Later, it has been modified to be this way only on some architectures.
> 
> It might not be an earthshaking amount, but removing it saves some 
> bytes, and there's no visible breakage when running the modified kernel 
> on i386.
> 

vague memory: this was needed for wchan to work properly