[GIT PULL] EFI fixes for v5.8-rc

[Ard Biesheuvel]

The following changes since commit 2a55280a3675203496d302463b941834228b9875:

  efi/libstub: arm: Print CPU boot mode and MMU state at boot (2020-06-17 15:29:11 +0200)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git tags/efi-urgent-for-v5.8-rc4

for you to fetch changes up to 769e0fe1171e95d90ea5a2d6d0b2bdc7d5d2e7b2:

  efi: Revert "efi/x86: Fix build with gcc 4" (2020-07-09 10:14:29 +0300)

----------------------------------------------------------------
EFI fixes for v5.8-rc4:
- Fix the layering violation in the use of the EFI runtime services
  availability mask in users of the 'efivars' abstraction
- Revert build fix for GCC v4.8 which is no longer supported
- Some fixes for build issues found by Atish while working on RISC-V support
- Avoid --whole-archive when linking the stub on arm64
- Some x86 EFI stub cleanups from Arvind

----------------------------------------------------------------
Ard Biesheuvel (2):
      efi/efivars: Expose RT service availability via efivars abstraction
      efi: Revert "efi/x86: Fix build with gcc 4"

Arvind Sankar (2):
      efi/x86: Remove unused variables
      efi/x86: Only copy upto the end of setup_header

Atish Patra (2):
      efi/libstub: Fix gcc error around __umoddi3 for 32 bit builds
      efi/libstub: Move the function prototypes to header file

Masahiro Yamada (1):
      efi/libstub/arm64: link stub lib.a conditionally

 arch/arm64/Makefile                       |  2 +-
 drivers/firmware/efi/efi-pstore.c         |  5 +----
 drivers/firmware/efi/efi.c                | 12 ++++++++----
 drivers/firmware/efi/efivars.c            |  5 +----
 drivers/firmware/efi/libstub/Makefile     |  3 +--
 drivers/firmware/efi/libstub/alignedmem.c |  2 +-
 drivers/firmware/efi/libstub/efi-stub.c   | 17 -----------------
 drivers/firmware/efi/libstub/efistub.h    | 16 ++++++++++++++++
 drivers/firmware/efi/libstub/x86-stub.c   |  8 ++++----
 drivers/firmware/efi/vars.c               |  6 ++++++
 fs/efivarfs/super.c                       |  6 +++---
 include/linux/efi.h                       |  1 +
 12 files changed, 43 insertions(+), 40 deletions(-)