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

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Date:   Sat, 1 Feb 2020 21:07:34 +1300
From:   Michael Schmitz <schmitzmic@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org,
        Will Deacon <will@...nel.org>,
        Greg Ungerer <gerg@...ux-m68k.org>
Subject: Re: [PATCH -v2 00/10] Rewrite Motorola MMU page-table layout

Peter,

this version tested OK on 030, so

Tested-by; Michael Schmitz <schmitzmic@...il.com>

Am 01.02.2020 um 01:45 schrieb Peter Zijlstra:
> Hi!
>
> 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.
>
> 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(-)
>
>