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From:   Alex Ghiti <alex@ghiti.fr>
To:     Michael Ellerman <mpe@ellerman.id.au>
Cc:     linux@armlinux.org.uk, catalin.marinas@arm.com,
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        Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
        Mike Kravetz <mike.kravetz@oracle.com>,
        Michal Hocko <mhocko@kernel.org>
Subject: Re: [PATCH v4 00/11] hugetlb: Factorize hugetlb architecture
 primitives
References: <20180705110716.3919-1-alex@ghiti.fr>
 <20180709141621.GD22297@dhcp22.suse.cz>
 <2173685f-7f85-7acb-4685-2383210c5fa2@ghiti.fr>
 <87d0vehx16.fsf@concordia.ellerman.id.au>
Message-ID: <2d4c19e1-f622-7747-3ba1-ff3243337b93@ghiti.fr>
Date:   Mon, 23 Jul 2018 17:41:26 +0000
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Ok will do and report when done.

Thanks for your feedback,

Alex

On 07/23/2018 02:00 PM, Michael Ellerman wrote:
> Alex Ghiti <alex@ghiti.fr> writes:
>
>> Does anyone have any suggestion about those patches ?
> Cross compiling it for some non-x86 arches would be a good start :)
>
> There are cross compilers available here:
>
>    https://mirrors.edge.kernel.org/pub/tools/crosstool/
>
>
> cheers
>
>> On 07/09/2018 02:16 PM, Michal Hocko wrote:
>>> [CC hugetlb guys - http://lkml.kernel.org/r/20180705110716.3919-1-alex@ghiti.fr]
>>>
>>> On Thu 05-07-18 11:07:05, Alexandre Ghiti wrote:
>>>> 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.
>>>> powerpc could be factorized a bit more (cf huge_ptep_set_wrprotect).
>>>>
>>>> This patchset has been compiled on x86 only.
>>>>
>>>> Changelog:
>>>>
>>>> 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               | 33 +----------
>>>>    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 |  2 +
>>>>    arch/powerpc/include/asm/book3s/64/pgtable.h |  1 +
>>>>    arch/powerpc/include/asm/hugetlb.h           | 43 ++------------
>>>>    arch/powerpc/include/asm/nohash/32/pgtable.h |  2 +
>>>>    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               | 72 +----------------------
>>>>    include/asm-generic/hugetlb.h                | 88 +++++++++++++++++++++++++++-
>>>>    15 files changed, 143 insertions(+), 384 deletions(-)
>>>>
>>>> -- 
>>>> 2.16.2