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SubjectRe: [PATCH v6 00/11] hugetlb: Factorize hugetlb architecture primitives
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Thanks for your time,

Alex

Le 07/08/2018 à 09:54, Ingo Molnar a écrit :
> * Alexandre Ghiti <alex@ghiti.fr> 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(-)
> The x86 bits look good to me (assuming it's all tested on all relevant architectures, etc.)
>
> Acked-by: Ingo Molnar <mingo@kernel.org>
>
> Thanks,
>
> Ingo

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