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    SubjectRe: lguest, Re: -mm merge plans for 2.6.23
    From: Rusty Russell <>
    Date: Thu, 12 Jul 2007 11:21:51 +1000

    > To do inter-guest (ie. inter-process) I/O you really have to make sure
    > the other side doesn't go away.

    You should just let it exit and when it does you receive some kind of
    exit notification that resets your virtual device channel.

    I think the reference counting approach is error and deadlock prone.
    Be more loose and let the events reset the virtual devices when
    guests go splat.
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