Re: [PATCH 6/6] Documentation/x86: Update EFI memory region description

From: Ingo Molnar
Date: Fri Nov 13 2015 - 04:22:24 EST

* Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx> wrote:

> +We map EFI runtime services in the efi_pgd PGD in the virtual range of
> +64Gb (arbitrarily set, can be raised if needed). The mappings are not
> +part of any other kernel PGD and are only available during EFI runtime
> +calls.

Is that virtual address range 0-64Gb, i.e.:

0x00000000.00000000 - 0x00000010.00000000

or is it somewhere else?



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