Messages in this thread |  | | Date | Sat, 09 Jan 2021 12:51:14 -0800 (PST) | Subject | Re: [PATCH v5 0/5] Unify NUMA implementation between ARM64 & RISC-V | From | Palmer Dabbelt <> |
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On Sun, 13 Dec 2020 17:02:19 PST (-0800), atishp@atishpatra.org wrote: > On Wed, Nov 18, 2020 at 4:39 PM Atish Patra <atish.patra@wdc.com> wrote: >> >> 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 >> >> The patches are also available at >> https://github.com/atishp04/linux/tree/5.11_numa_unified_v5 >> >> For RISC-V, the following qemu series is a pre-requisite(already available in upstream) >> https://patchwork.kernel.org/project/qemu-devel/list/?series=303313 >> >> Testing: >> RISC-V: >> Tested in Qemu and 2 socket OmniXtend FPGA. >> >> ARM64: >> 2 socket kunpeng920 (4 nodes around 250G a node) >> Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> >> >> Changes from v4->v5: >> 1. Added by Acked-by & Reviewed-by tags. >> 2. Swapped patch 1 & 2 in v4 version. >> >> Changes from v3->v4: >> 1. Removed redundant duplicate header. >> 2. Added Reviewed-by tags. >> >> Changes from v2->v3: >> 1. Added Acked-by/Reviewed-by tags. >> 2. Replaced asm/acpi.h with linux/acpi.h >> 3. Defined arch_acpi_numa_init as static. >> >> Changes from v1->v2: >> 1. Replaced ARM64 specific compile time protection with ACPI specific ones. >> 2. Dropped common pcibus_to_node changes. Added required changes in RISC-V. >> 3. Fixed few typos. >> >> Atish Patra (4): >> arm64, numa: Change the numa init functions name to be generic >> numa: Move numa implementation to common code >> 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 | 48 +---------------- >> arch/arm64/kernel/acpi_numa.c | 12 ----- >> 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 | 27 ++++++++-- >> include/asm-generic/numa.h | 52 +++++++++++++++++++ >> 17 files changed, 200 insertions(+), 72 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 (96%) >> create mode 100644 include/asm-generic/numa.h >> >> -- >> 2.25.1 >> >> >> _______________________________________________ >> linux-riscv mailing list >> linux-riscv@lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/linux-riscv > > Hey Palmer, > I did not see this series in for-next. Let me know if you need > anything else to be done for this series.
Sorry about that. It's on for-next, with Randy's comment addressed. There was one merge conflict: we don't have resource_init() in for-next yet (which I think means I missed something else). IDK if that's necessary for the NUMA stuff, I just dropped it. I haven't tested this yet.
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