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Date:      Sat, 15 Nov 1997 11:53:30 -0600
From:      Jonathan Lemon <jlemon@americantv.com>
To:        Brett Glass <brett@lariat.org>
Cc:        dg@root.com, bugs@FreeBSD.ORG
Subject:   Re: Foof! bug fix?
Message-ID:  <19971115115330.29942@right.PCS>
In-Reply-To: <3.0.5.32.19971115102143.00a3d430@mail.lariat.org>; from Brett Glass on Nov 11, 1997 at 10:21:43AM -0700
References:  <Your <3.0.5.32.19971114175737.00928b90@mail.lariat.org> <3.0.5.32.19971115102143.00a3d430@mail.lariat.org>

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On Nov 11, 1997 at 10:21:43AM -0700, Brett Glass wrote:
> 
> The main thing to watch for, in this case, is the potential for yet other faults.
> Intel probably recommended a page fault because it supercedes EVERYTHING, making it
> pretty darn safe. But if a segment fault is used instead, will there ever be
> a situation where (a) a multiple fault occurs, or (b) something supercedes the
> segment fault or interferes with its processing? I don't have my Intel manuals 
> right here, so I'm not able to work though all of the arcane possibilities.

Actually, according to my copy of the Intel manual, the priority of 
a page fault and segment limit are equivalent.  However, I've had a 
report of this patch not working on a machine, so perhaps something
else is at play here.
--
Jonathan



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