Re: [patch] O(1) scheduler, 2.4.17-B0, 2.5.2-pre8-B0.

[<listmail _at_ majere.epithna.com>]

How close are you and Robert Love on getting this patch and his pre-emt
patches to co-operate...seems like that might bring huge wins.  I know, I
know I could diff, and fix the rejects myself, but this seems to deep in
the kernel for a relative newbie like myself(plus I am more a file system
guy)

Bill

On Sun, 6 Jan 2002, Ingo Molnar wrote:

>
> this is the next, bugfix release of the O(1) scheduler:
>
> 	http://redhat.com/~mingo/O(1)-scheduler/sched-O1-2.5.2-B0.patch
> 	http://redhat.com/~mingo/O(1)-scheduler/sched-O1-2.4.17-B0.patch
>
> This release could fix the lockups and crashes reported by some people.
>
> Changes:
>
>  - remove the likely/unlikely define from sched.h and include compiler.h.
>    (Adrian Bunk)
>
>  - export sys_sched_yield, reported by Pawel Kot.
>
>  - turn off 'child runs first' temporarily, to see the effect.
>
>  - export nr_context_switches() as well, needed by ReiserFS.
>
>  - define resched_task() in the correct order to avoid compiler warnings
>    on UP.
>
>  - maximize the frequency of timer-tick driven load-balancing to 100 per
>    sec.
>
>  - clear ->need_resched in the RT scheduler path as well.
>
>  - simplify yield() support, remove TASK_YIELDED and __schedule_tail().
>
> Comments, bug reports, suggestions are welcome,
>
> 	Ingo
>
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