Date: Fri, 20 Nov 1998 11:23:21 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Marius Bendiksen <Marius.Bendiksen@scancall.no> Cc: Terry Lambert <tlambert@primenet.com>, tlambert@primenet.com, rnordier@nordier.com, freebsd-hackers@FreeBSD.ORG Subject: Re: FreeBSD on i386 memory model Message-ID: <199811201923.LAA18383@apollo.backplane.com> References: <199811181842.KAA06180@apollo.backplane.com> <3.0.5.32.19981120103442.0099f460@mail.scancall.no>
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I don't think this makes much sense. Why complicate an interface just
to make an already slow processor go unnoticeably faster?
-Matt
:>> On the 386 and 486, call gates are faster. On the pentium,
:pentium-PRO,
:>> and pentium-II, interrupts are faster.
:
:With regards to this, might it not be a good idea to use a different
:syscall convention, based on whether you've got the 486/384 options in your
:kernel or not? (Plus an additional parameter to completely disable the
:multiplexer interrupt, as this should *not* be done until you've rebuilt
:everything to use the call gate interface instead ;)
:
:---
:Marius Bendiksen, IT-Trainee, ScanCall AS <marius@scancall.no>
:
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Matthew Dillon Engineering, HiWay Technologies, Inc. & BEST Internet
Communications & God knows what else.
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