linux-kernel - Re: [PATCH v6 00/11] hugetlb: Factorize hugetlb architecture primitives

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Message-ID: <55833b7d-3c29-d7ac-41f1-82f1ac228e4a@ghiti.fr>
Date:   Mon, 13 Aug 2018 18:35:53 +0000
From:   Alex Ghiti <alex@...ti.fr>
To:     linux-mm@...ck.org, mike.kravetz@...cle.com, linux@...linux.org.uk,
        catalin.marinas@....com, will.deacon@....com, tony.luck@...el.com,
        fenghua.yu@...el.com, ralf@...ux-mips.org, paul.burton@...s.com,
        jhogan@...nel.org, jejb@...isc-linux.org, deller@....de,
        benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au,
        ysato@...rs.sourceforge.jp, dalias@...c.org, davem@...emloft.net,
        tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        x86@...nel.org, arnd@...db.de,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-ia64@...r.kernel.org, linux-mips@...ux-mips.org,
        linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
        linux-arch@...r.kernel.org
Subject: Re: [PATCH v6 00/11] hugetlb: Factorize hugetlb architecture
 primitives

Hi everyone,

Does someone need anything more to be done regarding this series ?

Thanks,

Alex


On 08/06/2018 05:57 PM, Alexandre Ghiti wrote:
> [CC linux-mm for inclusion in -mm tree]
>                                                                                   
> In order to reduce copy/paste of functions across architectures and then
> make riscv hugetlb port (and future ports) simpler and smaller, this
> patchset intends to factorize the numerous hugetlb primitives that are
> defined across all the architectures.
>                                                                                   
> Except for prepare_hugepage_range, this patchset moves the versions that
> are just pass-through to standard pte primitives into
> asm-generic/hugetlb.h by using the same #ifdef semantic that can be
> found in asm-generic/pgtable.h, i.e. __HAVE_ARCH_***.
>                                                                                   
> s390 architecture has not been tackled in this serie since it does not
> use asm-generic/hugetlb.h at all.
>                                                                                   
> This patchset has been compiled on all addressed architectures with
> success (except for parisc, but the problem does not come from this
> series).
>                                                                                   
> v6:
>    - Remove nohash/32 and book3s/32 powerpc specific implementations in
>      order to use the generic ones.
>    - Add all the Reviewed-by, Acked-by and Tested-by in the commits,
>      thanks to everyone.
>                                                                                   
> v5:
>    As suggested by Mike Kravetz, no need to move the #include
>    <asm-generic/hugetlb.h> for arm and x86 architectures, let it live at
>    the top of the file.
>                                                                                   
> v4:
>    Fix powerpc build error due to misplacing of #include
>    <asm-generic/hugetlb.h> outside of #ifdef CONFIG_HUGETLB_PAGE, as
>    pointed by Christophe Leroy.
>                                                                                   
> v1, v2, v3:
>    Same version, just problems with email provider and misuse of
>    --batch-size option of git send-email
>
> Alexandre Ghiti (11):
>    hugetlb: Harmonize hugetlb.h arch specific defines with pgtable.h
>    hugetlb: Introduce generic version of hugetlb_free_pgd_range
>    hugetlb: Introduce generic version of set_huge_pte_at
>    hugetlb: Introduce generic version of huge_ptep_get_and_clear
>    hugetlb: Introduce generic version of huge_ptep_clear_flush
>    hugetlb: Introduce generic version of huge_pte_none
>    hugetlb: Introduce generic version of huge_pte_wrprotect
>    hugetlb: Introduce generic version of prepare_hugepage_range
>    hugetlb: Introduce generic version of huge_ptep_set_wrprotect
>    hugetlb: Introduce generic version of huge_ptep_set_access_flags
>    hugetlb: Introduce generic version of huge_ptep_get
>
>   arch/arm/include/asm/hugetlb-3level.h        | 32 +---------
>   arch/arm/include/asm/hugetlb.h               | 30 ----------
>   arch/arm64/include/asm/hugetlb.h             | 39 +++---------
>   arch/ia64/include/asm/hugetlb.h              | 47 ++-------------
>   arch/mips/include/asm/hugetlb.h              | 40 +++----------
>   arch/parisc/include/asm/hugetlb.h            | 33 +++--------
>   arch/powerpc/include/asm/book3s/32/pgtable.h |  6 --
>   arch/powerpc/include/asm/book3s/64/pgtable.h |  1 +
>   arch/powerpc/include/asm/hugetlb.h           | 43 ++------------
>   arch/powerpc/include/asm/nohash/32/pgtable.h |  6 --
>   arch/powerpc/include/asm/nohash/64/pgtable.h |  1 +
>   arch/sh/include/asm/hugetlb.h                | 54 ++---------------
>   arch/sparc/include/asm/hugetlb.h             | 40 +++----------
>   arch/x86/include/asm/hugetlb.h               | 69 ----------------------
>   include/asm-generic/hugetlb.h                | 88 +++++++++++++++++++++++++++-
>   15 files changed, 135 insertions(+), 394 deletions(-)
>