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Date:      Mon, 01 Nov 1999 10:56:42 +0100
From:      Marcel Moolenaar <marcel@scc.nl>
To:        arch@freebsd.org
Subject:   Re: Threads models and FreeBSD / Threads goals version II
Message-ID:  <381D63DA.EE8DD41F@scc.nl>
References:  <199911010347.WAA20149@pcnet1.pcnet.com>, <199911010412.VAA14975@mt.sri.com>

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Nate Williams wrote:

> > No, I want to be able to have multiple threads in a single process
> > be in kernel space.  Only one can be running, but others can be
> > blocked.
> 
> Agreed.  My point is that if we allow multiple threads in a single
> process in the kernel space, it's alot worse than the present tsleep
> issues....

From rev 2:

2/ Ability to simultaneously schedule M threads over N Processors.

I interpret this as "allow multiple threads from a single process to run
concurrently on different processors". Without restriction, this implies
that they may run in kernel space simultaneously. It should be perfectly
clear what we mean, because I fear inconsistencies.

-- 
Marcel Moolenaar                        mailto:marcel@scc.nl
SCC Internetworking & Databases           http://www.scc.nl/
The FreeBSD project                mailto:marcel@FreeBSD.org




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