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

Greg Ungerer
2020-01-31T13:20:04Z

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@kernel.org
>
> 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(-)
>
>