Merge tag 'perf-core-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf updates from Thomas Gleixner:
 "Core:

   - Better handling of page table leaves on archictectures which have
     architectures have non-pagetable aligned huge/large pages. For such
     architectures a leaf can actually be part of a larger entry.

   - Prevent a deadlock vs exec_update_mutex

  Architectures:

   - The related updates for page size calculation of leaf entries

   - The usual churn to support new CPUs

   - Small fixes and improvements all over the place"

* tag 'perf-core-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
  perf/x86/intel: Add Tremont Topdown support
  uprobes/x86: Fix fall-through warnings for Clang
  perf/x86: Fix fall-through warnings for Clang
  kprobes/x86: Fix fall-through warnings for Clang
  perf/x86/intel/lbr: Fix the return type of get_lbr_cycles()
  perf/x86/intel: Fix rtm_abort_event encoding on Ice Lake
  x86/kprobes: Restore BTF if the single-stepping is cancelled
  perf: Break deadlock involving exec_update_mutex
  sparc64/mm: Implement pXX_leaf_size() support
  powerpc/8xx: Implement pXX_leaf_size() support
  arm64/mm: Implement pXX_leaf_size() support
  perf/core: Fix arch_perf_get_page_size()
  mm: Introduce pXX_leaf_size()
  mm/gup: Provide gup_get_pte() more generic
  perf/x86/intel: Add event constraint for CYCLE_ACTIVITY.STALLS_MEM_ANY
  perf/x86/intel/uncore: Add Rocket Lake support
  perf/x86/msr: Add Rocket Lake CPU support
  perf/x86/cstate: Add Rocket Lake CPU support
  perf/x86/intel: Add Rocket Lake CPU support
  perf,mm: Handle non-page-table-aligned hugetlbfs
  ...

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