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Re: [Xen-devel] [PATCH 10/13] xen: check pre-allocated page tables for conflict with memory map

To: David Vrabel <dvrabel@xxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, konrad.wilk@xxxxxxxxxx, david.vrabel@xxxxxxxxxx, boris.ostrovsky@xxxxxxxxxx
From: Juergen Gross <jgross@xxxxxxxx>
Date: Tue, 24 Feb 2015 07:45:39 +0100
Delivery-date: Tue, 24 Feb 2015 06:45:43 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 02/19/2015 06:37 PM, David Vrabel wrote:



On 18/02/2015 06:52, Juergen Gross wrote:

Check whether the page tables built by the domain builder are at
memory addresses which are in conflict with the target memory map.
If this is the case just panic instead of running into problems
later.


Again, what ensures this never actually happens?


Same answer as before: nothing.

Juergen


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References:
- [Xen-devel] [PATCH 00/13] xen: support pv-domains larger than 512GB
  - From: Juergen Gross
- Re: [Xen-devel] [PATCH 10/13] xen: check pre-allocated page tables for conflict with memory map
  - From: David Vrabel

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