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Date:      Thu, 17 Jul 1997 13:31:55 -0700 (MST)
From:      Terry Lambert <terry@lambert.org>
To:        cbrown@aracnet.com
Cc:        terry@lambert.org, smp@csn.net, smp@FreeBSD.ORG
Subject:   Re: HEADS UP: EISA cards.
Message-ID:  <199707172031.NAA03759@phaeton.artisoft.com>
In-Reply-To: <33CDD447.25F5C25B@earthling.net> from "Chris Browning" at Jul 17, 97 00:13:59 am

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> > > Why would you not want to abandon the 8254? Why not use the APIC's
> > > timer?  I would imagine that it was put there for this purpose when
> > > running in full symetric mode.
> > 
> > This is a HAL issue.
> > 
> > The problem, I suspect, is that we Steve wants the kernel to run
> > on non-APIC machines as well (correct me if I'm wrong), and
> > the kernel expects timer services.
> 
> And which SMP machines do not have a APIC?  Maybe I should have made
> myself more clear.  Why not abandon the 8254 completely when in 
> Full symmetric mode.  You have to do a bunch of stuff when 
> you switch modes, so why not add this to it.

Because we want one kernel, not seperate SMP and UP kernels.

That was the whole point of Steve's self-modifying code proposal.


					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.



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