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>
Subject: Re: sched.c: why -fno-omit-frame-pointer?
Date: Sun, 19 Aug 2007 14:05:23 -0700 [thread overview]
Message-ID: <1187557523.19299.4.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <20070819141732.GD32595@stusta.de>
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
next prev parent reply other threads:[~2007-08-19 21:10 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-19 14:17 Adrian Bunk
2007-08-19 21:05 ` Arjan van de Ven [this message]
2007-08-19 23:00 ` Andi Kleen
2007-08-23 11:30 ` Ingo Molnar
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