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Message-ID: <CAJF2gTR6Urt=YfwTRerpiSP7d5XwJ9FdKf_pLp5u-Hn0NsCeCQ@mail.gmail.com>
Date:   Mon, 4 Jul 2022 09:45:54 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Huacai Chen <chenhuacai@...nel.org>
Cc:     Helge Deller <deller@....de>, Mike Rapoport <rppt@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Dinh Nguyen <dinguyen@...nel.org>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Matthew Wilcox <willy@...radead.org>,
        Max Filippov <jcmvbkbc@...il.com>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        WANG Xuerui <kernel@...0n.name>,
        linux-arch <linux-arch@...r.kernel.org>,
        linux-csky@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        "open list:MIPS" <linux-mips@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>,
        Parisc List <linux-parisc@...r.kernel.org>,
        "open list:TENSILICA XTENSA PORT (xtensa)" 
        <linux-xtensa@...ux-xtensa.org>, loongarch@...ts.linux.dev
Subject: Re: [PATCH 00/14] arch: make PxD_ORDER generically available

For csky part.

Acked-by: Guo Ren <guoren@...nel.org>

On Mon, Jul 4, 2022 at 8:40 AM Huacai Chen <chenhuacai@...nel.org> wrote:
>
> Acked-by: Huacai Chen <chenhuacai@...nel.org> # LoongArch
>
> On Sun, Jul 3, 2022 at 10:28 PM Helge Deller <deller@....de> wrote:
> >
> > On 7/3/22 16:11, Mike Rapoport wrote:
> > > From: Mike Rapoport <rppt@...ux.ibm.com>
> > >
> > > Hi,
> > >
> > > The question what does PxD_ORDER define raises from time to time and
> > > there is still a conflict between MIPS and DAX definitions.
> > >
> > > Some time ago Matthew Wilcox suggested to use PMD_TABLE_ORDER to define
> > > the order of page table allocation:
> > >
> > > [1] https://lore.kernel.org/linux-arch/YPCJftSTUBEnq2lI@casper.infradead.org/
> > >
> > > The parisc patch made it in, but mips didn't.
> > > Now mips defines from asm/include/pgtable.h were copied to loongarch which
> > > made it worse.
> > >
> > > Let's deal with it once and for all and rename PxD_ORDER defines to
> > > PxD_TABLE_ORDER or just drop them when the only possible order of page
> > > table is 0.
> > >
> > > I think the best way to merge this via mm tree with acks from arch
> > > maintainers.
> >
> > That's fine for me.
> >
> > Acked-by: Helge Deller <deller@....de> # parisc
> >
> > Thanks!
> > Helge
> >
> >
> >
> > > Matthew Wilcox (Oracle) (1):
> > >   mips: Rename PMD_ORDER to PMD_TABLE_ORDER
> > >
> > > Mike Rapoport (13):
> > >   csky: drop definition of PTE_ORDER
> > >   csky: drop definition of PGD_ORDER
> > >   mips: Rename PUD_ORDER to PUD_TABLE_ORDER
> > >   mips: drop definitions of PTE_ORDER
> > >   mips: Rename PGD_ORDER to PGD_TABLE_ORDER
> > >   nios2: drop definition of PTE_ORDER
> > >   nios2: drop definition of PGD_ORDER
> > >   loongarch: drop definition of PTE_ORDER
> > >   loongarch: drop definition of PMD_ORDER
> > >   loongarch: drop definition of PUD_ORDER
> > >   loongarch: drop definition of PGD_ORDER
> > >   parisc: Rename PGD_ORDER to PGD_TABLE_ORDER
> > >   xtensa: drop definition of PGD_ORDER
> > >
> > >  arch/csky/include/asm/pgalloc.h      |  2 +-
> > >  arch/csky/include/asm/pgtable.h      |  6 +--
> > >  arch/loongarch/include/asm/pgalloc.h |  6 +--
> > >  arch/loongarch/include/asm/pgtable.h | 27 +++++-------
> > >  arch/loongarch/kernel/asm-offsets.c  |  5 ---
> > >  arch/loongarch/mm/pgtable.c          |  2 +-
> > >  arch/loongarch/mm/tlbex.S            |  6 +--
> > >  arch/mips/include/asm/pgalloc.h      |  8 ++--
> > >  arch/mips/include/asm/pgtable-32.h   | 19 ++++-----
> > >  arch/mips/include/asm/pgtable-64.h   | 61 +++++++++++++---------------
> > >  arch/mips/kernel/asm-offsets.c       |  5 ---
> > >  arch/mips/kvm/mmu.c                  |  2 +-
> > >  arch/mips/mm/pgtable.c               |  2 +-
> > >  arch/mips/mm/tlbex.c                 | 14 +++----
> > >  arch/nios2/include/asm/pgtable.h     |  7 +---
> > >  arch/nios2/mm/init.c                 |  5 +--
> > >  arch/nios2/mm/pgtable.c              |  2 +-
> > >  arch/parisc/include/asm/pgalloc.h    |  6 +--
> > >  arch/parisc/include/asm/pgtable.h    |  8 ++--
> > >  arch/xtensa/include/asm/pgalloc.h    |  2 +-
> > >  arch/xtensa/include/asm/pgtable.h    |  1 -
> > >  21 files changed, 84 insertions(+), 112 deletions(-)
> > >
> > >
> > > base-commit: 03c765b0e3b4cb5063276b086c76f7a612856a9a
> >



-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/

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