From: Ard Biesheuvel <ardb@xxxxxxxxxx>
Hi Linus,
Please pull another small set of EFI fixes below. Only the x86 one is likely to
affect any actual users (and has a cc:stable), but the issue it fixes was only
observed in an unusual context (kexec in a confidential VM).
The following changes since commit 99280413a5b785f22d91e8a8a66dc38f4a214495:
efi: Add missing __nocfi annotations to runtime wrappers (2024-06-05 10:18:58 +0200)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git tags/efi-fixes-for-v6.10-3
for you to fetch changes up to 46e27b9961d8712bc89234444ede314cec0e8bae:
efi/arm64: Fix kmemleak false positive in arm64_efi_rt_init() (2024-06-15 10:25:02 +0200)
----------------------------------------------------------------
EFI fixes for v6.10 #3
- Ensure that EFI runtime services are not unmapped by PAN on ARM
- Avoid freeing the memory holding the EFI memory map inadvertently on
x86
- Avoid a false positive kmemleak warning on arm64
----------------------------------------------------------------
Ard Biesheuvel (2):
efi/arm: Disable LPAE PAN when calling EFI runtime services
efi/x86: Free EFI memory map only when installing a new one.
Waiman Long (1):
efi/arm64: Fix kmemleak false positive in arm64_efi_rt_init()
arch/arm/include/asm/efi.h | 13 +++++++++++++
arch/arm64/kernel/efi.c | 2 ++
arch/x86/include/asm/efi.h | 1 -
arch/x86/platform/efi/memmap.c | 12 +++++++++++-
drivers/firmware/efi/memmap.c | 9 ---------
5 files changed, 26 insertions(+), 11 deletions(-)
