Re: [PATCH v2 2/2] xen: add acpi_arch_get_root_pointer() for pvh guests

[Boris Ostrovsky]

On 01/25/2018 09:36 AM, Juergen Gross wrote:
> Add acpi_arch_get_root_pointer() for Xen PVH guests to communicate
> the address of the RSDP table given to the kernel via Xen start info.
>
> This makes the kernel boot again in PVH mode after on recent Xen the
> RSDP was moved to higher addresses. So up to that change it was pure
> luck that the legacy method to locate the RSDP was working when
> running as PVH mode.
>
> Cc: <stable@xxxxxxxxxxxxxxx> # 4.11
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>


Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>