Re: [PATCH] Map in physical addresses in efi_map_region_fixed

From: Borislav Petkov
Date: Tue Aug 16 2016 - 01:45:27 EST


On Mon, Aug 15, 2016 at 02:52:22PM -0700, H. Peter Anvin wrote:
> So to answer the implicit question: we have found UEFI stacks in the
> field which fail without the physical mappings present, and we have
> found stacks which fail without a nontrivial SetAddressMapping.

You mean SetVirtualAddressMap.

Oh well, it's not like it matters all that much as we have our own
pagetable for EFI so we can go nuts there. Apparently.

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
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