From owner-freebsd-hackers Fri Nov 20 01:35:21 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id BAA10448 for freebsd-hackers-outgoing; Fri, 20 Nov 1998 01:35:21 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from www.scancall.no (www.scancall.no [195.139.183.5]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id BAA10439 for ; Fri, 20 Nov 1998 01:35:18 -0800 (PST) (envelope-from Marius.Bendiksen@scancall.no) Received: from super2.langesund.scancall.no [195.139.183.29] by www with smtp id KCWUAHOJ; Fri, 20 Nov 98 09:34:44 GMT (PowerWeb version 4.04r6) Message-Id: <3.0.5.32.19981120103442.0099f460@mail.scancall.no> X-Sender: Marius@mail.scancall.no X-Mailer: QUALCOMM Windows Eudora Light Version 3.0.5 (32) Date: Fri, 20 Nov 1998 10:34:42 +0100 To: Terry Lambert , dillon@apollo.backplane.com (Matthew Dillon) From: Marius Bendiksen Subject: Re: FreeBSD on i386 memory model Cc: tlambert@primenet.com, rnordier@nordier.com, freebsd-hackers@FreeBSD.ORG In-Reply-To: <199811200052.RAA21672@usr09.primenet.com> References: <199811181842.KAA06180@apollo.backplane.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG >> 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message