Re: [PATCH -v2 00/10] Rewrite Motorola MMU page-table layout

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Hi Peter,

On 31/1/20 10:45 pm, Peter Zijlstra wrote:
In order to faciliate Will's READ_ONCE() patches:

   https://lkml.kernel.org/r/20200123153341.19947-1-will@xxxxxxxxxx

we need to fix m68k/motorola to not have a giant pmd_t. These patches do so and
are tested using ARAnyM/68040.

Michael tested the previous version on his Atari Falcon/68030.

Build tested for sun3/coldfire.

Thanks for the quick turn around. Build looks good for me too with
this new series. I will test on real hardware on Monday.

Regards
Greg


Please consider!

Changes since -v1:
  - fixed sun3/coldfire build issues
  - unified motorola mmu page setup
  - added enum to table allocator
  - moved pointer table allocator to motorola.c
  - converted coldfire pgtable_t
  - fixed coldfire pgd_alloc
  - fixed coldfire nocache

---
  arch/m68k/include/asm/mcf_pgalloc.h      |  31 ++---
  arch/m68k/include/asm/motorola_pgalloc.h |  74 ++++------
  arch/m68k/include/asm/motorola_pgtable.h |  36 +++--
  arch/m68k/include/asm/page.h             |  16 ++-
  arch/m68k/include/asm/pgtable_mm.h       |  10 +-
  arch/m68k/mm/init.c                      |  34 +++--
  arch/m68k/mm/kmap.c                      |  36 +++--
  arch/m68k/mm/memory.c                    | 103 --------------
  arch/m68k/mm/motorola.c                  | 228 +++++++++++++++++++++++++------
  9 files changed, 302 insertions(+), 266 deletions(-)





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