On 2015/11/18 2:25, Ganapatrao Kulkarni wrote: > -v2 rebased on arm64-numa v7 patches. > http://www.spinics.net/lists/arm-kernel/msg460813.html > > -v1 initial patches from Hanjun Guo > > Hanjun Guo (4): > acpi, numa: Use pr_fmt() instead of printk > acpi, numa: Replace ACPI_DEBUG_PRINT() with pr_debug() > arm64, acpi, numa: NUMA support based on SRAT and SLIT > acpi, numa: Enable ACPI based NUMA on ARM64 > > arch/arm64/include/asm/acpi.h | 4 + > arch/arm64/kernel/Makefile | 1 + > arch/arm64/kernel/acpi_numa.c | 215 ++++++++++++++++++++++++++++++++++++++++++ > arch/arm64/mm/numa.c | 7 +- > drivers/acpi/Kconfig | 4 +- > drivers/acpi/numa.c | 106 ++++++++++++--------- > include/linux/acpi.h | 15 +++ > 7 files changed, 306 insertions(+), 46 deletions(-) > create mode 100644 arch/arm64/kernel/acpi_numa.c > I've tested this patch set on QEMU VM and guest prints below log: ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x0 -> Node 0 cpu 1 ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x1 -> Node 0 cpu 2 ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x2 -> Node 1 cpu 3 ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x3 -> Node 1 cpu 4 ACPI: NUMA: SRAT: Node 0 PXM 0 [mem 0x40000000-0x5fffffff] NUMA: Adding memblock [0x40000000 - 0x5fffffff] on node 0 ACPI: NUMA: SRAT: Node 1 PXM 1 [mem 0x60000000-0x7fffffff] NUMA: Adding memblock [0x60000000 - 0x7fffffff] on node 1 Initmem setup node 0 [mem 0x40000000-0x5fffffff] NODE_DATA [mem 0x5fffe400-0x5fffffff] Initmem setup node 1 [mem 0x60000000-0x7fffffff] NODE_DATA [mem 0x7effd400-0x7effefff] Zone ranges: DMA [mem 0x0000000040000000-0x000000007fffffff] Normal empty Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000040000000-0x000000005fffffff] node 1: [mem 0x0000000060000000-0x000000007fffffff] Initmem setup node 0 [mem 0x0000000040000000-0x000000005fffffff] Initmem setup node 1 [mem 0x0000000060000000-0x000000007fffffff] So, Tested-by: Shannon Zhao <shannon.zhao@xxxxxxxxxx> -- Shannon -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
