Re: [Xen-devel] [PATCH v2 18/30] xen/x86: setup PVHv2 Dom0 ACPI tables

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

>>>> I've initially used a back-listing approach. We can always change this 
>>>> later 
>>>> on.
>>>>
>>>> So I've ended up crafting a new MADT, XSDT and RSDP. Note that I'm not 
>>>> crafting a new custom RSDT (and in fact I'm setting rsdt_physical_address 
>>>> = 
>>>> 0 in the RSDP together with revision = 2). This is all placed in RAM 
>>>> stolen 
>>>> from the guest memory map and marked as E820_ACPI, which means that the 
>>>> new 
>>>> RSDP no longer resides below 1MB, 


As I mentioned in the other thread I am not sure this would be in
compliance with the ACPI spec.

-boris



>>>> and that the Dom0 kernel _must_ use the 
>>>> rsdp_paddr provided in the start info, or else it's going to access the 
>>>> native RSDP.
>>>


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