[GIT PULL] arm64 fixes for -rc1

[Will Deacon]

Hi Linus,

Please pull these arm64 fixes for -rc1. The usual summary is in the tag,
but there's a mixture of ptdump, compat and MTE fixes that came in
during the merge window.

Cheers,

Will

--->8

The following changes since commit 26b77009ee74f6122a067a4f9926ff6e09fffb94:

  Merge branch 'for-next/uapi' into for-next/core (2026-08-14 10:16:13 +0000)

are available in the Git repository at:

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

for you to fetch changes up to 2bd533739234d79b74afabfece1abfe9c6d52c83:

  selftests/arm64: Add MTE test config fragment (2026-08-27 14:18:39 +0000)

----------------------------------------------------------------
arm64 fixes for -rc1

- Fix address handling of final memory region in ptdump

- Fix emulation of decrementing load/store multiple from 32-bit task

- Fix SCTLR context-switching for store-only MTE mode

- Fix numerous issues in MTE selftests

----------------------------------------------------------------
Karl Mehltretter (1):
      arm64: compat: Fix decrementing LDM/STM alignment emulation

Muhammad Usama Anjum (4):
      selftests/arm64: Print missing MTE TAP headers
      selftests/arm64: Treat KSM merge_across_nodes as optional
      selftests/arm64: Fix MTE prctl TAP plan
      selftests/arm64: Add MTE test config fragment

Vladimir Murzin (1):
      arm64: process: Fix context switching MTE store-only tag check

Wei-Lin Chang (2):
      arm64: ptdump: Make note_page_flush() range aware
      KVM: arm64: ptdump: Flush the last region

 arch/arm64/include/asm/processor.h                 |  2 +-
 arch/arm64/include/asm/ptdump.h                    |  2 ++
 arch/arm64/kernel/compat_alignment.c               |  4 +--
 arch/arm64/kvm/ptdump.c                            | 11 +++++---
 arch/arm64/mm/ptdump.c                             | 14 +++++++++-
 tools/testing/selftests/arm64/config               | 17 ++++++++++++
 .../selftests/arm64/mte/check_buffer_fill.c        |  2 ++
 .../selftests/arm64/mte/check_child_memory.c       |  2 ++
 .../selftests/arm64/mte/check_gcr_el1_cswitch.c    |  1 +
 .../selftests/arm64/mte/check_hugetlb_options.c    |  2 ++
 .../selftests/arm64/mte/check_ksm_options.c        | 31 +++++++++++++++++++---
 .../selftests/arm64/mte/check_mmap_options.c       |  2 ++
 tools/testing/selftests/arm64/mte/check_prctl.c    |  2 +-
 .../selftests/arm64/mte/check_tags_inclusion.c     |  2 ++
 tools/testing/selftests/arm64/mte/check_user_mem.c |  2 ++
 15 files changed, 84 insertions(+), 12 deletions(-)
 create mode 100644 tools/testing/selftests/arm64/config