Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:
 "Nothing major this time around.

  Apart from the usual perf/PMU updates, some page table cleanups, the
  notable features are average CPU frequency based on the AMUv1
  counters, CONFIG_HOTPLUG_SMT and MOPS instructions (memcpy/memset) in
  the uaccess routines.

  Perf and PMUs:

   - Support for the 'Rainier' CPU PMU from Arm

   - Preparatory driver changes and cleanups that pave the way for BRBE
     support

   - Support for partial virtualisation of the Apple-M1 PMU

   - Support for the second event filter in Arm CSPMU designs

   - Minor fixes and cleanups (CMN and DWC PMUs)

   - Enable EL2 requirements for FEAT_PMUv3p9

  Power, CPU topology:

   - Support for AMUv1-based average CPU frequency

   - Run-time SMT control wired up for arm64 (CONFIG_HOTPLUG_SMT). It
     adds a generic topology_is_primary_thread() function overridden by
     x86 and powerpc

  New(ish) features:

   - MOPS (memcpy/memset) support for the uaccess routines

  Security/confidential compute:

   - Fix the DMA address for devices used in Realms with Arm CCA. The
     CCA architecture uses the address bit to differentiate between
     shared and private addresses

   - Spectre-BHB: assume CPUs Linux doesn't know about vulnerable by
     default

  Memory management clean-ups:

   - Drop the P*D_TABLE_BIT definition in preparation for 128-bit PTEs

   - Some minor page table accessor clean-ups

   - PIE/POE (permission indirection/overlay) helpers clean-up

  Kselftests:

   - MTE: skip hugetlb tests if MTE is not supported on such mappings
     and user correct naming for sync/async tag checking modes

  Miscellaneous:

   - Add a PKEY_UNRESTRICTED definition as 0 to uapi (toolchain people
     request)

   - Sysreg updates for new register fields

   - CPU type info for some Qualcomm Kryo cores"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (72 commits)
  arm64: mm: Don't use %pK through printk
  perf/arm_cspmu: Fix missing io.h include
  arm64: errata: Add newer ARM cores to the spectre_bhb_loop_affected() lists
  arm64: cputype: Add MIDR_CORTEX_A76AE
  arm64: errata: Add KRYO 2XX/3XX/4XX silver cores to Spectre BHB safe list
  arm64: errata: Assume that unknown CPUs _are_ vulnerable to Spectre BHB
  arm64: errata: Add QCOM_KRYO_4XX_GOLD to the spectre_bhb_k24_list
  arm64/sysreg: Enforce whole word match for open/close tokens
  arm64/sysreg: Fix unbalanced closing block
  arm64: Kconfig: Enable HOTPLUG_SMT
  arm64: topology: Support SMT control on ACPI based system
  arch_topology: Support SMT control for OF based system
  cpu/SMT: Provide a default topology_is_primary_thread()
  arm64/mm: Define PTDESC_ORDER
  perf/arm_cspmu: Add PMEVFILT2R support
  perf/arm_cspmu: Generalise event filtering
  perf/arm_cspmu: Move register definitons to header
  arm64/kernel: Always use level 2 or higher for early mappings
  arm64/mm: Drop PXD_TABLE_BIT
  arm64/mm: Check pmd_table() in pmd_trans_huge()
  ...

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