From owner-freebsd-current@FreeBSD.ORG Fri May 22 19:46:21 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A2D4F1065670 for ; Fri, 22 May 2009 19:46:21 +0000 (UTC) (envelope-from mat.macy@gmail.com) Received: from yw-out-2324.google.com (yw-out-2324.google.com [74.125.46.28]) by mx1.freebsd.org (Postfix) with ESMTP id 21EDF8FC1C for ; Fri, 22 May 2009 19:46:21 +0000 (UTC) (envelope-from mat.macy@gmail.com) Received: by yw-out-2324.google.com with SMTP id 9so1171413ywe.13 for ; Fri, 22 May 2009 12:46:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type:content-transfer-encoding; bh=yxA4r+CkoEAk9lxij0XuORTj451KmCbrBg4Fq7kUFVU=; b=p39+TwJNsVvVL7j4UXmNguXqASrqJUcZuv5d5+hsdIkujGylbLqM68O/D48CUaoNFo +YKIM9BlHHrhq9uGxQ7/ai+MKTopf1pJLrqbOcZYR2GWA7J80AMCUCJ7Kz5a5gvUJ24r vMs9JYQ3cQJEmkXPc1EtuV/X1xU6J++gc+Kpg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=AlI92jS2Zo3Xooqoagzlm/QQtP9UvSnF8FYrceSic9V9H8aa9WvDZL/I7TOx2S8Srm Tn0AkLxJnHHmsI6VCoZzpFmI3a1WtXrQfFP58gk4m80JSLlnGhWNzR4RhQ6wUOpDxXMT lyDMnhBkZr8KiRgNLVkO/ofnxZNReFWyte5YY= MIME-Version: 1.0 Sender: mat.macy@gmail.com Received: by 10.100.215.12 with SMTP id n12mr7873454ang.133.1243021580124; Fri, 22 May 2009 12:46:20 -0700 (PDT) In-Reply-To: <87pre1nvl9.fsf@tabernacle.lan> References: <20090521215221.GA98253@server.vk2pj.dyndns.org> <87pre1nvl9.fsf@tabernacle.lan> Date: Fri, 22 May 2009 12:46:20 -0700 X-Google-Sender-Auth: 57c82705d4d1557f Message-ID: <3c1674c90905221246x6323cd25w99664334c6a6a2c4@mail.gmail.com> From: Kip Macy To: Julian Stecklina Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-xen@freebsd.org, freebsd-current@freebsd.org, freebsd-questions@freebsd.org Subject: Re: My FreeBSD-current/Xen install notes X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Fri, 22 May 2009 19:46:21 -0000 > You can use microkernels[1] for almost the same thing. It's what we do > at Technische Universit=E4t Dresden. > > Regards, > -- > Julian Stecklina > > The day Microsoft makes something that doesn't suck is probably the day > they start making vacuum cleaners - Ernst Jan Plugge > > Footnotes: > [1] =A0There is a sexy new microhypervisor to be released Real Soon > =A0 =A0 Now(tm) too: > =A0 =A0 http://eurosys09dw.systems.ethz.ch/steinberg.pdf > Based on L4Linux, I believe that the amount of work required for porting a PV OS is much less than creating a new "personality" for a microkernel. That said, isn't a hypervisor really a microkernel with device and virtual memory abstraction API? Cheers, Kip