From owner-freebsd-stable@FreeBSD.ORG Fri Dec 16 21:40:56 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0C48F106564A for ; Fri, 16 Dec 2011 21:40:56 +0000 (UTC) (envelope-from talon@lpthe.jussieu.fr) Received: from shiva.jussieu.fr (shiva.jussieu.fr [134.157.0.129]) by mx1.freebsd.org (Postfix) with ESMTP id B4F5F8FC23 for ; Fri, 16 Dec 2011 21:40:54 +0000 (UTC) Received: from parthe.lpthe.jussieu.fr (parthe.lpthe.jussieu.fr [134.157.10.1]) by shiva.jussieu.fr (8.14.4/jtpda-5.4) with ESMTP id pBGLeRJ0070501 for ; Fri, 16 Dec 2011 22:40:40 +0100 (CET) X-Ids: 165 Received: from [192.168.1.101] (sge91-2-82-227-32-26.fbx.proxad.net [82.227.32.26]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client did not present a certificate) by parthe.lpthe.jussieu.fr (Postfix) with ESMTPSA id A7E5F20C97 for ; Fri, 16 Dec 2011 22:40:26 +0100 (CET) From: Michel Talon Date: Fri, 16 Dec 2011 22:40:26 +0100 Message-Id: <1350C7A0-BE58-4C34-804A-A6A3C1C61761@lpthe.jussieu.fr> To: freebsd-stable@freebsd.org Mime-Version: 1.0 (Apple Message framework v1251.1) X-Mailer: Apple Mail (2.1251.1) X-Miltered: at jchkmail.jussieu.fr with ID 4EEBBACB.00A by Joe's j-chkmail (http : // j-chkmail dot ensmp dot fr)! X-j-chkmail-Enveloppe: 4EEBBACB.00A/134.157.10.1/parthe.lpthe.jussieu.fr/parthe.lpthe.jussieu.fr/ Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Re: switching schedulers (Re: SCHED_ULE should not be the default) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Dec 2011 21:40:56 -0000 Adrian Chadd said: > Hi all, >=20 > Can someone load a kernel module dynamically at boot-time? >=20 > Ie, instead of compiling it in, can 4bsd/ule be loaded as a KLD at > boot-time, so the user can just change by rebooting? >=20 > That may be an acceptable solution for now. As Luigi explained, the problem is not to have code for both schedulers = residing in the=20 kernel, the problem is to migrate processes from one scheduler to the = other. -- Michel Talon talon@lpthe.jussieu.fr