[PATCH v2 0/4] Convert powerpc to GENERIC_PTDUMP

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This series converts powerpc to generic PTDUMP.

For that, we first need to add missing hugepd support
to pagewalk and ptdump.

v2:
- Reworked the pagewalk modification to add locking and check ops->pte_entry
- Modified powerpc early IO mapping to have gaps between mappings
- Removed the logic that checked for contiguous physical memory
- Removed the articial level calculation in ptdump_pte_entry(), level 4 is ok for all.
- Removed page_size argument to note_page()

Christophe Leroy (4):
  mm: pagewalk: Fix walk for hugepage tables
  powerpc/mm: Leave a gap between early allocated IO areas
  powerpc/mm: Properly coalesce pages in ptdump
  powerpc/mm: Convert powerpc to GENERIC_PTDUMP

 arch/powerpc/Kconfig              |   2 +
 arch/powerpc/Kconfig.debug        |  30 -----
 arch/powerpc/mm/Makefile          |   2 +-
 arch/powerpc/mm/ioremap_32.c      |   4 +-
 arch/powerpc/mm/ioremap_64.c      |   2 +-
 arch/powerpc/mm/mmu_decl.h        |   2 +-
 arch/powerpc/mm/ptdump/8xx.c      |   6 +-
 arch/powerpc/mm/ptdump/Makefile   |   9 +-
 arch/powerpc/mm/ptdump/book3s64.c |   6 +-
 arch/powerpc/mm/ptdump/ptdump.c   | 187 ++++++++----------------------
 arch/powerpc/mm/ptdump/shared.c   |   6 +-
 mm/pagewalk.c                     |  58 ++++++++-
 12 files changed, 127 insertions(+), 187 deletions(-)

-- 
2.25.0





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