Re: [Xen-devel] Re: changeset 13403 ...

[Joe Bonasera <joe.bonasera@xxxxxxx>]

I'm dropping in on this part way through but
out of context the following sounds dangerous.

For example, Solaris domains assume at start
of time, that only pages mapped in the start
area are in use in any way. All other pages
go immediately in our free lists. If you change
this protocol, then we'll have backwards
incompatibility issues to fix.

> Date: Mon, 29 Jan 2007 16:35:48 +0100
> From: Gerd Hoffmann <kraxel@xxxxxxx>
> Subject: Re: [Xen-devel] Re: changeset 13403 ...
> To: Keir Fraser <keir@xxxxxxxxxxxxx>
> Cc: Xen devel list <xen-devel@xxxxxxxxxxxxxxxxxxx>
> Message-ID: <45BE1454.9030101@xxxxxxx>
> Content-Type: text/plain; charset=ISO-8859-1
>
>   Hi,
>
> > You may even know that they only map part of
> > the guest physical memory and so choose to locate the intermediate
> > pagetables outside that mapped area.
> Good point, that solves at least a part of the problem, as the read-only
> mapping is needed one-way only then ...
>
> thanks,
>   Gerd
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