Date: Fri, 22 May 2009 07:52:21 +1000 From: Peter Jeremy <peterjeremy@optushome.com.au> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-xen@freebsd.org, freebsd-current@freebsd.org, Saifi Khan <saifi.khan@twincling.org>, freebsd-questions@freebsd.org Subject: Re: My FreeBSD-current/Xen install notes Message-ID: <20090521215221.GA98253@server.vk2pj.dyndns.org> In-Reply-To: <d763ac660905191730n2d6313edhac6c866de20f137d@mail.gmail.com> References: <d763ac660905180553x5c7b3c5bq61acab3d28810a24@mail.gmail.com> <Pine.LNX.4.64.0905190807290.887@localhost> <d763ac660905182052t294e588bu593f1d660aef8b52@mail.gmail.com> <Pine.LNX.4.64.0905190944510.1090@localhost> <d763ac660905190631p2ff604b0gaa12ee3026b91ebc@mail.gmail.com> <Pine.LNX.4.64.0905192149580.6589@localhost> <d763ac660905191730n2d6313edhac6c866de20f137d@mail.gmail.com>
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--82I3+IH0IqGh5yIs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2009-May-20 08:30:09 +0800, Adrian Chadd <adrian@freebsd.org> wrote: >Xen also lets you write "other" OSes without needing to care about the >hardware. One of my friends bootstrapped a toy OS of his inside Xen. >He can then run it on any and all Xen boxes, unmodified, regardless of >the underlying hardware. That really hasn't been exploited to its full >potential though. This isn't a particularly new idea: The 'CMS' part of IBM VM/CMS was a hypervisor-aware OS that couldn't run on bare metal. Relying on the hypervisor for some "traditional" OS services offers plenty of scope for interesting developments. One area would be in University Operating Systems courses - it would again be possible to offer practical coursework on operating systems that are comprehendable in their entirety (ala V6 and Minix). --=20 Peter Jeremy --82I3+IH0IqGh5yIs Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.11 (FreeBSD) iEYEARECAAYFAkoVzRUACgkQ/opHv/APuIfQCwCeLwqoTwMdt0p5z86D/NoP5mPA jtwAnAoIbSA3YzF816uP5rWrkMcTG0CN =OdBk -----END PGP SIGNATURE----- --82I3+IH0IqGh5yIs--
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