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    SubjectRe: Merge Xen (the hypervisor) into Linux
    On Wed, Jun 03, 2009 at 11:09:39AM +0200, Gerd Hoffmann wrote:
    > On 06/03/09 10:47, Alan Cox wrote:
    >>> Linux is not the only player here. NetBSD can run as dom0 guest.
    >>> Solaris can run as dom0 guest too. Thus making the dom0/xen interface
    >>> private to linux and xen isn't going to fly.
    >>
    >> It does not however preclude fixing the dom0 interface.
    >
    > It wasn't my intention to imply that. The interface can be extended
    > when needed. PAT support will probably be such a case. Changing it in
    > incompatible ways isn't going to work though.

    But that means that if there is some fundamentally broken piece of
    dom0 design, that the Linux kernel will be stuck with it ***forever***
    and it will contaminate code paths and make the code harder to
    maintain ***forever*** if we consent to the Xen merge? Is that really
    what you are saying? Be careful how you answer that....

    - Ted


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