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
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