Re: lguest, Re: -mm merge plans for 2.6.23

From: David Miller
Date: Wed Jul 11 2007 - 22:28:20 EST


From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
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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