On Tue, 25 Feb 2020 at 19:10, Tom Lendacky <thomas.lendacky@xxxxxxx> wrote: > > 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. > OK Btw if you want the TPM part of the fix to go to -stable, better to split them in two (and I'll put a cc:stable on the tpm one)