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Date:      Tue, 28 Jan 2003 21:48:26 -0800 (PST)
From:      Julian Elischer <julian@elischer.org>
To:        Kris Kennaway <kris@obsecurity.org>
Cc:        arch@FreeBSD.ORG
Subject:   Re: threads and the scheduler(s).
Message-ID:  <Pine.BSF.4.21.0301282100290.20117-100000@InterJet.elischer.org>
In-Reply-To: <20030128201901.A1673@citusc.usc.edu>

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On Tue, 28 Jan 2003, Kris Kennaway wrote:

> On Tue, Jan 28, 2003 at 12:11:27PM -0800, Julian Elischer wrote:
> > 
> > At the beginning of this we spec'd out a design and several things
> > were said.
> > 
> > 1/ the names of these entities might change as we discover the
> > implementation details, 
> > 
> > and
> > 
> > 2/ Sme of thes structures (thread, KSE, KSEGRP, proc) might become
> > more or less 'virtual' when we try implement them.
> > 
> > Well that time has happenned.
> 
> I'm kind of concerned that KSE has turned into something much more
> complicated than it should ever have been (and already was at the
> beginning).  I understand scheduler activations, but as far as I can
> tell we're no longer even close to the original KSE design because of
> various incremental changes in direction, and there's no coherent
> documentation for the current state of affairs (or explanations for
> the various design decisions in departure from the original design).
> 
> I guess I don't actually have anything constructive to say, but I
> really hope this whole KSE thing isn't going to turn out to be an
> over-designed way of not-really-solving non-problems.
> 

Hmm well it's an interesting point of view, but the implementation is
actually very close to what was proposed 2 years ago.


If you think it's complicated you are misundertanding something..
it's amazingly simple, it's just alot of owrk getting there from a 
non-threading start.


> Kris
> 
> 
> 
> 



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