linux-kernel - [GIT PULL] arm64 fixes for -rc1

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Message-ID: <aOTPIiF3aO-YroaE@willie-the-truck>
Date: Tue, 7 Oct 2025 09:28:18 +0100
From: Will Deacon <will@...nel.org>
To: torvalds@...ux-foundation.org
Cc: catalin.marinas@....com, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, kernel-team@...roid.com
Subject: [GIT PULL] arm64 fixes for -rc1

Hi Linus,

Please pull these arm64 fixes for -rc1 that address issues either found
or introduced during this merge window. The only one that isn't strictly
a fix is the kpti cleanup, as I ended up queuing it late due to some
inter-branch dependencies and wanted to give it some more time in -next.

Summary in the tag.

Cheers,

Will

--->8

The following changes since commit ea0b39168d3a2313eabd145fb3440c946ccff4d1:

  arm64: cpufeature: Remove duplicate asm/mmu.h header (2025-09-24 16:44:44 +0100)

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 f620d66af3165838bfa845dcf9f5f9b4089bf508:

  arm64: mte: Do not flag the zero page as PG_mte_tagged (2025-10-03 15:27:34 +0100)

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

- Preserve old 'tt_core' UAPI for Hisilicon L3C PMU driver.

- Ensure linear alias of kprobes instruction page is not writable.

- Fix kernel stack unwinding from BPF.

- Fix build warnings from the Fujitsu uncore PMU documentation.

- Fix hang with deferred 'struct page' initialisation and MTE.

- Consolidate KPTI page-table re-writing code.

----------------------------------------------------------------
Catalin Marinas (1):
      arm64: mte: Do not flag the zero page as PG_mte_tagged

Feng Yang (1):
      tracing: Fix the bug where bpf_get_stackid returns -EFAULT on the ARM64

Gopi Krishna Menon (1):
      docs: perf: Fujitsu: Fix htmldocs build warnings and errors

Kevin Brodsky (1):
      arm64: mm: Move KPTI helpers to mmu.c

Yang Shi (1):
      arm64: kprobes: call set_memory_rox() for kprobe page

Yicong Yang (1):
      drivers/perf: hisi: Add tt_core_deprecated for compatibility

 .../admin-guide/perf/fujitsu_uncore_pmu.rst        |   7 +-
 Documentation/admin-guide/perf/hisi-pmu.rst        |   4 +
 arch/arm64/include/asm/ftrace.h                    |   1 +
 arch/arm64/include/asm/mmu.h                       |   7 +-
 arch/arm64/kernel/cpufeature.c                     | 108 ++-------------------
 arch/arm64/kernel/mte.c                            |   2 +-
 arch/arm64/kernel/probes/kprobes.c                 |  12 +++
 arch/arm64/mm/mmu.c                                |  98 +++++++++++++++++--
 drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c       |  33 ++++++-
 9 files changed, 154 insertions(+), 118 deletions(-)