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Re: port-xen/52016: Mismatch between mem_clusters and pmap_enter bounds check
The following reply was made to PR port-xen/52016; it has been noted by GNATS.
From: Martin Husemann <martin%duskware.de@localhost>
Subject: Re: port-xen/52016: Mismatch between mem_clusters and pmap_enter
Date: Wed, 1 Mar 2017 12:18:18 +0100
On Wed, Mar 01, 2017 at 11:15:01AM +0000, Manuel Bouyer wrote:
> No, it works because the hypervisor allows mapping the video
> harware address. I don't know why it rejects the addresses used by dmidecode
There should be a fixed list of "forbidden" addresses, probably something
like 0xc0000 - 0xfffff. We need to find out the details and mirror the
behvaiour in the access check.
Unless there is a way to query the hypervisor for this details...
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