Re: [patch] O(1) scheduler, 2.4.17-A1, 2.5.2-pre7-A1.

From: Dieter N�tzel (Dieter.Nuetzel@hamburg.de)
Date: Fri Jan 04 2002 - 17:44:46 EST

On Friday, 4. January 2002 12:42, Ingo Molnar wrote:
> On Fri, 4 Jan 2002, Dieter [iso-8859-15] N�tzel wrote:
> > What next? Maybe a combination of O(1) and preempt?
>
> yes, fast preemption of kernel-mode tasks and the scheduler code are
> almost orthogonal. So i agree that to get the best interactive performance
> we need both.

[....]
gcc -D__KERNEL__ -I/usr/src/linux/include -Wall -Wstrict-prototypes
-Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing -fno-common
-pipe -mpreferred-stack-boundary=2 -march=k6 -DEXPORT_SYMTAB -c filemap.c
In file included from filemap.c:26:
/usr/src/linux/include/linux/compiler.h:13: warning: likely' redefined
/usr/src/linux/include/linux/sched.h:445: warning: this is the location of
the previous definition
/usr/src/linux/include/linux/compiler.h:14: warning: unlikely' redefined
/usr/src/linux/include/linux/sched.h:444: warning: this is the location of
the previous definition

But _NO_ fails.

-A2 crash immediatly during first boot.
Second run some crashes and stuck in boot up.

I'll try a clean 2.4.17 + A2 (plus needed ReiserFS stuff), now.

-Dieter




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