[GIT PULL] arm64 fixes for 6.19-rc5

From: Catalin Marinas

Date: Fri Jan 09 2026 - 13:27:31 EST


Hi Linus,

Please pull the arm64 fixes below. Thanks.

The following changes since commit f4ea8e05f2a857d5447c25f7daf00807d38b307d:

lkdtm/bugs: Do not confuse the clang/objtool with busy wait loop (2025-12-19 15:09:09 +0000)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux tags/arm64-fixes

for you to fetch changes up to bdf3f4176092df5281877cacf42f843063b4784d:

arm64: Fix cleared E0POE bit after cpu_suspend()/resume() (2026-01-09 10:41:45 +0000)

----------------------------------------------------------------
arm64 fixes:

- Do not return false if !preemptible() in current_in_efi(). EFI
runtime services can now run with preemption enabled

- Fix uninitialised variable in the arm MPAM driver, reported by sparse

- Fix partial kasan_reset_tag() use in change_memory_common() when
calculating page indices or comparing ranges

- Save/restore TCR2_EL1 during suspend/resume, otherwise the E0POE bit
is lost

----------------------------------------------------------------
Ben Horgan (2):
arm64/efi: Don't fail check current_in_efi() if preemptible
arm_mpam: Stop using uninitialized variables in __ris_msmon_read()

Jiayuan Chen (1):
arm64: mm: Fix incomplete tag reset in change_memory_common()

Yeoreum Yun (1):
arm64: Fix cleared E0POE bit after cpu_suspend()/resume()

arch/arm64/include/asm/efi.h | 2 +-
arch/arm64/include/asm/suspend.h | 2 +-
arch/arm64/mm/pageattr.c | 6 ++++--
arch/arm64/mm/proc.S | 8 ++++++++
drivers/resctrl/mpam_devices.c | 7 ++++---
5 files changed, 18 insertions(+), 7 deletions(-)

--
Catalin