From: Kip Macy <kmacy@eventdriven.org>
To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: Ian Pratt <Ian.Pratt@cl.cam.ac.uk>, xen-devel@lists.sourceforge.net
Subject: Re: Re: Xen reboots when trying to start new domain
Date: Thu, 9 Sep 2004 16:52:59 -0700 (PDT) [thread overview]
Message-ID: <20040909165037.W22044@demos.bsdclusters.com> (raw)
In-Reply-To: <E1C5CmW-0004f3-00@mta1.cl.cam.ac.uk>
Not surprisingly FreeBSD expects those low temporary double mappings to
be there. How do you recommend fixing this without throwing more
pagetables at it that pmap_init will have to garbage collect?
-Kip
>
> We now support direct update of PTEs by guests. To allow this we have
> to record which entry in a page directory the page table is mapped
> at. This means we can no longer support having the same page table
> mapped at differnt PDE indexes.
>
> -- Keir
>
> >
> >
> > > That isn't allowed any more. :-)
> >
> > Ahh - yes I think it does. I wonder how FreeBSD will fair without that
> > mapping. Does the aliasing make ref-counting too hard?
> >
> >
> >
> >
> >
> >
> > >
> > > -- Keir
> > >
> > >
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next prev parent reply other threads:[~2004-09-09 23:52 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-01 2:50 Question about starting a domain Kathy Chen
2004-09-01 7:20 ` Steven Hand
2004-09-01 19:15 ` Kathy Chen
2004-09-01 19:51 ` Ian Pratt
2004-09-01 20:22 ` Kathy Chen
2004-09-08 23:43 ` Xen reboots when trying to start new domain Kip Macy
2004-09-09 0:10 ` Keir Fraser
2004-09-09 0:14 ` Kip Macy
2004-09-09 0:27 ` Keir Fraser
2004-09-09 23:52 ` Kip Macy [this message]
2004-09-10 0:28 ` Keir Fraser
2004-09-10 13:51 ` Ronald G. Minnich
2004-09-10 16:31 ` Kip Macy
2004-09-09 0:18 ` world doesn't compile with debug enabled Kip Macy
2004-09-09 0:25 ` Keir Fraser
2004-09-09 0:18 ` Re: Xen reboots when trying to start new domain Kip Macy
2004-09-09 0:19 ` Keir Fraser
2004-09-09 0:25 ` Kip Macy
2004-09-09 0:28 ` Keir Fraser
2004-09-09 0:36 ` Keir Fraser
2004-09-09 1:02 ` Keir Fraser
2004-09-09 1:52 ` Ian Pratt
2004-09-09 5:21 ` Kip Macy
2004-09-10 0:11 ` Never mind " Kip Macy
2004-09-10 0:29 ` Keir Fraser
2004-09-10 0:41 ` Kip Macy
2004-09-10 0:50 ` Kip Macy
2004-09-10 2:53 ` Keir Fraser
2004-09-10 3:09 ` Kip Macy
2004-09-10 4:41 ` Keir Fraser
2004-09-10 5:34 ` Kip Macy
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