From owner-freebsd-current@FreeBSD.ORG Sat Jul 3 05:24:27 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 18F9D16A4CE; Sat, 3 Jul 2004 05:24:27 +0000 (GMT) Received: from veldy.net (fuggle.veldy.net [209.98.200.33]) by mx1.FreeBSD.org (Postfix) with ESMTP id D942043D49; Sat, 3 Jul 2004 05:24:26 +0000 (GMT) (envelope-from veldy@veldy.net) Received: from localhost (localhost.veldy.net [127.0.0.1]) by veldy.net (Postfix) with ESMTP id CCE706131; Sat, 3 Jul 2004 00:24:25 -0500 (CDT) Received: from veldy.net ([127.0.0.1]) by localhost (fuggle.veldy.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 22364-02; Sat, 3 Jul 2004 00:24:23 -0500 (CDT) Received: from [127.0.0.1] (cascade.veldy.net [192.168.1.1]) by veldy.net (Postfix) with ESMTP id A486A6130; Sat, 3 Jul 2004 00:24:22 -0500 (CDT) Message-ID: <40E64302.2020700@veldy.net> Date: Sat, 03 Jul 2004 00:24:18 -0500 From: "Thomas T. Veldhouse" User-Agent: Mozilla Thunderbird 0.7 (Windows/20040616) X-Accept-Language: en-us, en MIME-Version: 1.0 To: John Baldwin References: <200407022021.i62KLi4Y041825@repoman.freebsd.org> <200407021721.52787.jhb@FreeBSD.org> In-Reply-To: <200407021721.52787.jhb@FreeBSD.org> X-Enigmail-Version: 0.84.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigC4563C683DE1F761106E8653" X-Virus-Scanned: by amavisd-new at veldy.net cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: current@FreeBSD.org cc: cvs-all@FreeBSD.org Subject: Re: HEADSUP: Native preemption added to the kernel scheduler X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Jul 2004 05:24:27 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigC4563C683DE1F761106E8653 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit John Baldwin wrote: >In theory this is a big NOP except for some small optimizations in the form of >avoiding a few context switches and avoiding some run queue operations. >Several people have tested this code but there may be some remaining >adventures. Note that this adds a printf during dmesg for architectures that >do not support preemption about preemption being disabled and degrading >performance (mostly via increased latency). Preemption is enabled by >defining PREEMPTION in and architecture porters are >encouraged to get preemption working on their architecture. > > > The GENERIC kernel is failing to build now (12AM 7-03-2004) ... complaining about wrong number of arguments in the following file: src/sys/kern/sched_ule.c Unfortunately, I did not get the function details before rebooting my machine into windows. Tom Veldhouse --------------enigC4563C683DE1F761106E8653 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (MingW32) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFA5kMGARgTFXYf0wARAoAmAJ9aKZGSeTuzt/FMl2Tu2noRs6woPACeNTRA Z0GCIwGZrlhiORhtUfnfWio= =pqMq -----END PGP SIGNATURE----- --------------enigC4563C683DE1F761106E8653--