From owner-freebsd-stable@FreeBSD.ORG Thu Mar 29 17:36:51 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 02F0216A402 for ; Thu, 29 Mar 2007 17:36:51 +0000 (UTC) (envelope-from ivoras@fer.hr) Received: from ls405.t-com.hr (ls405.t-com.hr [195.29.150.135]) by mx1.freebsd.org (Postfix) with ESMTP id 80F4713C457 for ; Thu, 29 Mar 2007 17:36:50 +0000 (UTC) (envelope-from ivoras@fer.hr) Received: from ls248.t-com.hr (ls248.t-com.hr [195.29.150.237]) by ls405.t-com.hr (Postfix) with ESMTP id 1DFC5143A43; Thu, 29 Mar 2007 19:36:49 +0200 (CEST) Received: from ls248.t-com.hr (ls248.t-com.hr [127.0.0.1]) by ls248.t-com.hr (Qmlai) with ESMTP id 1A97DD5004A; Thu, 29 Mar 2007 19:36:49 +0200 (CEST) Received: from ls248.t-com.hr (ls248.t-com.hr [127.0.0.1]) by ls248.t-com.hr (Qmlai) with ESMTP id 055DED50047; Thu, 29 Mar 2007 19:36:49 +0200 (CEST) X-Envelope-Sender-Info: g5URFa92gX9K/Rg9VFA/rG7P/SgXwpElL6/QD1I57fQ6StkSH1j7CT0zJW9WjWDV X-Envelope-Sender: ivoras@fer.hr Received: from [10.0.0.100] (83-131-175-241.adsl.net.t-com.hr [83.131.175.241]) by ls248.t-com.hr (Qmali) with ESMTP id A971F5E019C; Thu, 29 Mar 2007 19:36:48 +0200 (CEST) Message-ID: <460BF922.4050604@fer.hr> Date: Thu, 29 Mar 2007 19:36:34 +0200 From: Ivan Voras User-Agent: Thunderbird 1.5.0.10 (Windows/20070221) MIME-Version: 1.0 To: Matthew Dillon References: <395450.751174710071770.JavaMail.root@ly.sdf.com> <200703291722.l2THM225092894@apollo.backplane.com> In-Reply-To: <200703291722.l2THM225092894@apollo.backplane.com> X-Enigmail-Version: 0.94.1.2 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigFF76EBB6C4792D435E29E506" Cc: freebsd-stable@freebsd.org Subject: Re: Xen Dom0, are we making progress? 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: Thu, 29 Mar 2007 17:36:51 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigFF76EBB6C4792D435E29E506 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Matthew Dillon wrote: > In anycase, as usual I rattle on. If FreeBSD is interested I recom= mend > simply looking at the cool features I added to DragonFly's kernel t= o > make virtual kernels possible. It's really just three major items:= > Signal mailboxes, a new MAP_VPAGETABLE for mmap, and the new vmspac= e_*() > system calls for managing VM spaces. Once those features were in p= lace > it didn't take long for me to create a 'vkernel' platform that link= ed > against libc and used the new system calls. Virtual kernels are a cool idea, but I (and I believe practically anyone using FreeBSD for non-development work) would much rather see a Xen-like functionality (to be precise: ability to run foreign kernels and Windows; qemu is too slow) than just a variation of the native kernel. --------------enigFF76EBB6C4792D435E29E506 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGC/kvldnAQVacBcgRAvVyAJwPjWKnBmqUJo2oEgBukD0+zgEMWwCgi6WQ yyJPmqVWRGZ/dsGohVEUUB4= =bonr -----END PGP SIGNATURE----- --------------enigFF76EBB6C4792D435E29E506--