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SubjectRe: [PATCH v4 00/11] hugetlb: Factorize hugetlb architecture primitives
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Hi everyone,

This is the result of the build for all arches tackled in this series
rebased on 4.18-rc6:

arm:
        versatile_defconfig: without huge page OK
        keystone_defconfig: with huge page OK
arm64:
        defconfig: with huge page OK
ia64:
        generic_defconfig: with huge page OK
mips:
        Paul Burton tested cavium octeon with huge page OK
parisc:
        generic-64bit_defconfig: with huge page does not link
        generic-64bit_defconfig: without huge page does not link
        BUT not because of this series, any feedback welcome.
powerpc:
        ppc64_defconfig: without huge page OK
        ppc64_defconfig: with huge page OK
sh:
        dreamcast_defconfig: with huge page OK
sparc:
        sparc32_defconfig: without huge page OK
sparc64:
        sparc64_defconfig: with huge page OK
x86:
        with huge page OK

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

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