Re: [PATCH v5 0/8] arm64, numa: Add numa support for arm64 platforms.

[Matthias Brugger <matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On 28/08/15 16:59, Ganapatrao Kulkarni wrote:
> On Fri, Aug 28, 2015 at 8:01 PM, Matthias Brugger
> <matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
>>
>>
>> On 14/08/15 18:39, Ganapatrao Kulkarni wrote:
>>>
>>> v5:
>>>          - created base verion of numa.c which creates dummy numa without
>>> using dt
>>>            on single socket platforms. Then added patches for dt support.
>>>          - Incorporated review comments from Hanjun Guo.
>>>
>>> v4:
>>> done changes as per Arnd review comments.
>>>
>>> v3:
>>> Added changes to support numa on arm64 based platforms.
>>> Tested these patches on cavium's multinode(2 node topology) platform.
>>> In this patchset, defined and implemented dt bindings for numa mapping
>>> for core and memory using device node property arm,associativity.
>>>
>>> v2:
>>> Defined and implemented numa map for memory, cores to node and
>>> proximity distance matrix of nodes.
>>>
>>> v1:
>>> Initial patchset to support numa on arm64 platforms.
>>>
>>> Note:
>>>          1. This patchset is tested for numa with dt on
>>>             thunderx single socket and dual socket boards.
>>>          2. Numa DT booting needs the dt memory nodes, which are deleted in
>>> current efi-stub,
>>>          hence to try numa with dt, you need to rebase with ard's patchset.
>>>
>>> http://git.linaro.org/people/ard.biesheuvel/linux-arm.git/shortlog/refs/heads/arm64-uefi-early-fdt-handling
>>>
>>>
>>> Ganapatrao Kulkarni (4):
>>>     arm64, numa: adding numa support for arm64 platforms.
>>>     Documentation: arm64/arm: dt bindings for numa.
>>>     arm64, numa: adding numa support for arm64 platforms.
>>>     arm64, dt, thunderx: Add initial dts for Cavium Thunder SoC in 2 Node
>>>       topology.
>>>
>>>    Documentation/devicetree/bindings/arm/numa.txt  | 212 +++++++
>>>    arch/arm64/Kconfig                              |  32 +
>>>    arch/arm64/boot/dts/cavium/Makefile             |   2 +-
>>>    arch/arm64/boot/dts/cavium/thunder-88xx-2n.dts  |  78 +++
>>>    arch/arm64/boot/dts/cavium/thunder-88xx-2n.dtsi | 790
>>> ++++++++++++++++++++++++
>>>    arch/arm64/include/asm/mmzone.h                 |  32 +
>>>    arch/arm64/include/asm/numa.h                   |  49 ++
>>>    arch/arm64/kernel/Makefile                      |   1 +
>>>    arch/arm64/kernel/dt_numa.c                     | 316 ++++++++++
>>>    arch/arm64/kernel/setup.c                       |   9 +
>>>    arch/arm64/kernel/smp.c                         |   3 +
>>>    arch/arm64/mm/Makefile                          |   1 +
>>>    arch/arm64/mm/init.c                            |  34 +-
>>>    arch/arm64/mm/numa.c                            | 563 +++++++++++++++++
>>>    14 files changed, 2115 insertions(+), 7 deletions(-)
>>>    create mode 100644 Documentation/devicetree/bindings/arm/numa.txt
>>>    create mode 100644 arch/arm64/boot/dts/cavium/thunder-88xx-2n.dts
>>>    create mode 100644 arch/arm64/boot/dts/cavium/thunder-88xx-2n.dtsi
>>>    create mode 100644 arch/arm64/include/asm/mmzone.h
>>>    create mode 100644 arch/arm64/include/asm/numa.h
>>>    create mode 100644 arch/arm64/kernel/dt_numa.c
>>>    create mode 100644 arch/arm64/mm/numa.c
>>>
>>
>> On which version is this patch-set based?
> 4.2 -rc5

Seems as if
"arm64: add support for memtest" (36dd9086cb)
is not taken into account. I wasn't able to apply the set without 
conflicts, neither on v4.2-rc5, v4.2-rc8, nor on
arm64-uefi-early-fdt-handling.

Regards,
Matthias
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