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SubjectRe: Linux Preemptive patch success 2.4.10-pre4 + lots of other
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On Sat, 2001-09-08 at 02:29, Dieter Nützel wrote:
> I've tested your former patch against 2.4.7-acX and sent you some feedback
> but you didn't answered my post.
>
> Is the module problem (missing preempt_xxx symbols) thing fixed?

I am not sure what module problem you are talking about. There was a
bug in my original patch that caused a link error in most situations
where CONFIG_MODULE was set, but this had to do with
atomic_dec_and_lock, not preempt_xxx -- what preempt_xxx symbols?

Anyhow, I suggest you grab 2.4.9-ac10 and
http://tech9.net/rml/linux/patch-rml-2.4.9-ac10-preempt-kernel-1 and
enable CONFIG_PREEMPT and give that a whirl. You should have no
problems on a UP system.

> Aside from that I saw some nice speed increase (UP Athlon) and very snappy
> system.

Very glad. Especially to hear there are no problems on Athlon.

> dbench-1.1 32 clients load drops to mostly below 16 (33 before)

Great. Data points such as this are welcome. What about the actual
throughput? Both I and Nigel (see http://kpreempt.sourceforge.net)
benched the patch with `dbench -16' and we both got decent throughput
increase.

> Go on with your great work!

Thanks.

--
Robert M. Love
rml at ufl.edu
rml at tech9.net

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