On Mon, Sep 14, 2020 at 1:07 AM Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> wrote: > > On Fri, 11 Sep 2020 18:34:36 -0700 > Atish Patra <atish.patra@xxxxxxx> wrote: > > > Hi Atish, > > I'm not seeing a change log from v1. Putting one in makes it easier > for people who reviewed v1 to remember what to look for when looking > at v2. > My bad. I usually add a change log in the header patch but forgot this time. I will send out a v3 soon and update those. Thanks for reviewing the patches. > Either here, or individual patches after the --- is fine. > > Thanks, > > Jonathan > > > > This series attempts to move the ARM64 numa implementation to common > > code so that RISC-V can leverage that as well instead of reimplementing > > it again. > > > > RISC-V specific bits are based on initial work done by Greentime Hu [1] but > > modified to reuse the common implementation to avoid duplication. > > > > [1] https://lkml.org/lkml/2020/1/10/233 > > > > This series has been tested on qemu with numa enabled for both RISC-V & ARM64. > > It would be great if somebody can test it on numa capable ARM64 hardware platforms. > > This patch series doesn't modify the maintainers list for the common code (arch_numa) > > as I am not sure if somebody from ARM64 community or Greg should take up the > > maintainership. Ganapatrao was the original author of the arm64 version. > > I would be happy to update that in the next revision once it is decided. > > > > # numactl --hardware > > available: 2 nodes (0-1) > > node 0 cpus: 0 1 2 3 > > node 0 size: 486 MB > > node 0 free: 470 MB > > node 1 cpus: 4 5 6 7 > > node 1 size: 424 MB > > node 1 free: 408 MB > > node distances: > > node 0 1 > > 0: 10 20 > > 1: 20 10 > > # numactl -show > > policy: default > > preferred node: current > > physcpubind: 0 1 2 3 4 5 6 7 > > cpubind: 0 1 > > nodebind: 0 1 > > membind: 0 1 > > > > For RISC-V, the following qemu series is a pre-requisite(already available in upstream) > > to test the patches in Qemu and 2 socket OmniXtend FPGA. > > > > https://patchwork.kernel.org/project/qemu-devel/list/?series=303313 > > > > The patches are also available at > > > > https://github.com/atishp04/linux/tree/5.10_numa_unified_v2 > > > > There may be some minor conflicts with Mike's cleanup series [2] depending on the > > order in which these two series are being accepted. I can rebase on top his series > > if required. > > > > [2] https://lkml.org/lkml/2020/8/18/754 > > > > Atish Patra (4): > > numa: Move numa implementation to common code > > arm64, numa: Change the numa init function name to be generic > > riscv: Separate memory init from paging init > > riscv: Add numa support for riscv64 platform > > > > Greentime Hu (1): > > riscv: Add support pte_protnone and pmd_protnone if > > CONFIG_NUMA_BALANCING > > > > arch/arm64/Kconfig | 1 + > > arch/arm64/include/asm/numa.h | 45 +---------------- > > arch/arm64/kernel/acpi_numa.c | 13 ----- > > arch/arm64/mm/Makefile | 1 - > > arch/arm64/mm/init.c | 4 +- > > arch/riscv/Kconfig | 31 +++++++++++- > > arch/riscv/include/asm/mmzone.h | 13 +++++ > > arch/riscv/include/asm/numa.h | 8 +++ > > arch/riscv/include/asm/pci.h | 14 ++++++ > > arch/riscv/include/asm/pgtable.h | 21 ++++++++ > > arch/riscv/kernel/setup.c | 11 ++++- > > arch/riscv/kernel/smpboot.c | 12 ++++- > > arch/riscv/mm/init.c | 10 +++- > > drivers/base/Kconfig | 6 +++ > > drivers/base/Makefile | 1 + > > .../mm/numa.c => drivers/base/arch_numa.c | 29 +++++++++-- > > include/asm-generic/numa.h | 49 +++++++++++++++++++ > > 17 files changed, 200 insertions(+), 69 deletions(-) > > create mode 100644 arch/riscv/include/asm/mmzone.h > > create mode 100644 arch/riscv/include/asm/numa.h > > rename arch/arm64/mm/numa.c => drivers/base/arch_numa.c (95%) > > create mode 100644 include/asm-generic/numa.h > > > > -- > > 2.24.0 > > > > > > _______________________________________________ > linux-riscv mailing list > linux-riscv@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-riscv -- Regards, Atish
