Re: [RFC PATCH v1 10/18] x86/efi: Access EFI related tables in the clear

From: Matt Fleming
Date: Fri Jun 17 2016 - 11:51:57 EST


On Thu, 16 Jun, at 09:38:31AM, Tom Lendacky wrote:
>
> Ok, I think this was happening before the commit to build our own
> EFI page table structures:
>
> commit 67a9108ed ("x86/efi: Build our own page table structures")
>
> Before this commit the boot services ended up mapped into the kernel
> page table entries as un-encrypted during efi_map_regions() and I needed
> to change those entries back to encrypted. With your change above,
> this appears to no longer be needed.

Great news! Things are as they should be ;)