Subject: Re: HEAD UP acpi/mpbios/ioapic support commited
To: Manuel Bouyer <>
From: Erik Berls <>
List: port-xen
Date: 09/28/2006 13:04:29
/cookie bouyer
/beer bouyer

On 9/28/06, Manuel Bouyer <> wrote:
> Hi,
> I just commited support for ACPI, MPBIOS and ioapic for Xen3/dom0 to current.
> This should help for peoples using NetBSD/Xen as dom0 on a Xen3 SMP system.
> See i386/conf/XEN3_DOM0 for configuration details; note that XEN3_DOM0
> has ACPI, MPBIOS and ioapic support by default.
> There is a user-visible change in the way CPUs are configured, and you'll
> have to update your kernel config files: there are now two different objects
> for physical and virtual CPUs (physical CPUs are only usefull in dom0,
> to get and print the APIC ids of the physical CPUs - this is informational
> only). For all Xen3 kernel config files you have to move
> cpu* at mainbus?
> to
> vcpu* at hypervisor?
> For dom0 kernels you also have to keep cpu* at mainbus? (i.e. have both
> cpu and vcpu). This is a first (very small, but still :) step toward
> SMP support ...
> --
> Manuel Bouyer <>
>      NetBSD: 26 ans d'experience feront toujours la difference
> --

"Exactly two things have made airline travel safer since 9/11:
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