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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: George Dunlap <dunlapg@umich.edu>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: Unplugging a dom0 vcpu and domain destruction
Date: Fri, 20 Feb 2009 12:02:58 -0800	[thread overview]
Message-ID: <499F0C72.2030700@goop.org> (raw)
In-Reply-To: <de76405a0902201059v6c98fac2gedf6a4fe87ed0c9@mail.gmail.com>

George Dunlap wrote:
> The last reference to the domain pages went away when d0v1 wrote to
> one of its own l1e's.  So one of dom0's l1's still contained a
> reference to those pages.  The curious bit is why they weren't
> unmapped immediately if d0v1 wasn't online, and why they were unmapped
> immediately when d0v1 came back online.
>   

Yes, that doesn't make much sense to me.  Pagetable mappings aren't 
vcpu-dependent.

    J

  reply	other threads:[~2009-02-20 20:02 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-17 17:30 Unplugging a dom0 vcpu and domain destruction George Dunlap
2009-02-17 17:39 ` Keir Fraser
2009-02-20 17:13   ` George Dunlap
2009-02-20 18:15     ` Jeremy Fitzhardinge
2009-02-20 18:59       ` George Dunlap
2009-02-20 20:02         ` Jeremy Fitzhardinge [this message]
2009-02-20 21:17         ` Keir Fraser
2009-02-24  9:07           ` George Dunlap
2009-02-24 12:08             ` Keir Fraser
2009-02-24 17:26               ` George Dunlap

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