On 2/25/20 11:58 AM, Ard Biesheuvel wrote: > On Tue, 25 Feb 2020 at 18:54, Tom Lendacky <thomas.lendacky@xxxxxxx> wrote: >> >> On 2/25/20 11:45 AM, Ard Biesheuvel wrote: >>> On Tue, 25 Feb 2020 at 18:41, Tom Lendacky <thomas.lendacky@xxxxxxx> wrote: >>>> >>>> When booting with SME active, EFI tables must be mapped unencrypted since >>>> they were built by UEFI in unencrypted memory. Update the list of tables >>>> to be checked during early_memremap() processing to account for new EFI >>>> tables. >>>> >>>> This fixes a bug where an EFI TPM log table has been created by UEFI, but >>>> it lives in memory that has been marked as usable rather than reserved. >>>> >>>> Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx> >>>> >>>> --- >>>> Changes since v1: >>>> - Re-spun against EFI tree >>> >>> Which one? Surely not the one in the link I included? >> >> I did a git clone of >> >> git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git >> >> and checked out branch next. Not sure what I missed... >> > > Weird. Do you see commit 5d288dbd88606d8f215c7138b10649115d79cadd on > that branch? It removes rng_seed from struct efi, hence my request to > rebase your patch. I had just assumed you wanted a cleaner version and didn't realize that rng_seed was removed from struct efi. My bad for not building. > > IMO, best is to simply drop the 'static' from rng_seed, rename it to > efi_rng_seed, and drop an extern declaration in linux/efi.h so it is > accessible from your code. I'm reluctant to put it back in struct efi. Ok, I'll re-work the patch. Thanks, Tom >