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

Pull arm64 fixes from Will Deacon:
 "The diffstat is dominated by changes to our TLB invalidation errata
  handling and the introduction of a new GCS selftest to catch one of
  the issues that is fixed here relating to PROT_NONE mappings.

   - Fix cpufreq warning due to attempting a cross-call with interrupts
     masked when reading local AMU counters

   - Fix DEBUG_PREEMPT warning from the delay loop when it tries to
     access per-cpu errata workaround state for the virtual counter

   - Re-jig and optimise our TLB invalidation errata workarounds in
     preparation for more hardware brokenness

   - Fix GCS mappings to interact properly with PROT_NONE and to avoid
     corrupting the pte on CPUs with FEAT_LPA2

   - Fix ioremap_prot() to extract only the memory attributes from the
     user pte and ignore all the other 'prot' bits"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: topology: Fix false warning in counters_read_on_cpu() for same-CPU reads
  arm64: Fix sampling the "stable" virtual counter in preemptible section
  arm64: tlb: Optimize ARM64_WORKAROUND_REPEAT_TLBI
  arm64: tlb: Allow XZR argument to TLBI ops
  kselftest: arm64: Check access to GCS after mprotect(PROT_NONE)
  arm64: gcs: Honour mprotect(PROT_NONE) on shadow stack mappings
  arm64: gcs: Do not set PTE_SHARED on GCS mappings if FEAT_LPA2 is enabled
  arm64: io: Extract user memory type in ioremap_prot()
  arm64: io: Rename ioremap_prot() to __ioremap_prot()

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