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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: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, port-xen-maintainer%netbsd.org@localhost
Subject: Re: port-xen/52016: Mismatch between mem_clusters and pmap_enter
Date: Wed, 1 Mar 2017 12:13:10 +0100
On Wed, Mar 01, 2017 at 09:55:40AM +0000, coypu%SDF.ORG@localhost wrote:
> On Wed, Mar 01, 2017 at 09:35:01AM +0000, Manuel Bouyer wrote:
> > AFAIK X11 uses /dev/mem to access the hardware.
> Huh, so it does.
> I guess X doesn't currently fail because it's already mapped
> by the boot process, so no fault and no trip to pmap_enter?
No, it works because the hypervisor allows mapping the video
harware address. I don't know why it rejects the addresses used by dmidecode
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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