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[0/2] efi capsule loader fixes

Message ID 20201207180216.3349-1-ardb@kernel.org
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Series efi capsule loader fixes | expand

Message

Ard Biesheuvel Dec. 7, 2020, 6:02 p.m. UTC 
A couple of fixes for the EFI capsule loader. Patch #1 switches from
kmap() to kmap_atomic(). Patch #2 adds cache maintenance of the scatter
gather list entries passed to UpdateCapsule.

Cc: Samer El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>

Ard Biesheuvel (2):
  efi: capsule: use atomic kmap for transient sglist mappings
  efi: capsule: clean scatter-gather entries from the D-cache

 arch/arm/include/asm/efi.h     |  5 +++++
 arch/arm64/include/asm/efi.h   |  5 +++++
 drivers/firmware/efi/capsule.c | 16 ++++++++++++++--
 3 files changed, 24 insertions(+), 2 deletions(-)