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Re: [Xen-devel] Design doc of adding ACPI support for arm64 on Xen - version 2

>>> On 13.08.15 at 12:48, <zhaoshenglong@xxxxxxxxxx> wrote:
> On 2015/8/13 18:29, Christoffer Dall wrote:
>> However, what about for other resources?  Having code somewhere that
>> says "hide this random piece of hardware if you're Xen dom0" sounds
>> awful to me.  I know it's only the serial port right now, but still.
> It needs to modify MADT table according to dom0_max_vcpus and modify EFI
> MMAP table according to dom0_mem. And modify FADT table to set
> hypervisor_id as "XenVMM" to tell Dom0 that it runs on Xen hypervisor.

None of this should be required:

Unaltered MADT may (or should I say will) be needed to drive P- or

UEFI memmap shouldn't be exposed to Dom0 at all.

Detecting running on Xen should (hopefully) be possible by other
means for Dom0.


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