Re: [PATCH v7 00/15] ACPI NUMA support for ARM64

Rafael J. Wysocki
2016-06-03T22:03:16Z

On Tuesday, May 24, 2016 03:35:30 PM David Daney wrote:
> From: David Daney <david.daney@cavium.com>
>
> Rebased to Linus' master branch at commit 1d6da87a3241 ("Merge branch
> 'drm-next' of git://people.freedesktop.org/~airlied/linux")
>
> ACPI 5.1 already introduced NUMA support for ARM64, which can get the
> NUMA domain information from SRAT and SLIT table, so parse those two
> tables to get mappings from cpu/mem to numa node configuration and
> system locality.
>
> v7 updates:
>
> - Rebased to resolve one merge conflict.
>
> - New patch 13/15 to enable use of existing MADT parsing code instead
> of adding an additional implementation of the parser.
>
> - Added some Acked-by headers to patches in arm64 arch directories.
>
> v6 updates:
>
> - Changed message printed in 13/14 to omit meaningless "cpu"
> number. (noted by Dennis Chen and Hanjun Guo)
>
> - New patch 7/14 to print different messages for NUMA disabled case.
> (noted by Dennis Chen)
>
> - Squashed two patches into 14/14.
>
> - Added Reviewed-by to 4/14
>
> v5 updates:
>
> - Fixed ia64 build failure by gating some unused functions with #if
> CONFIG_{X86,ARM64}.
>
> - Fixed section mismatch errors for X86 case.
>
> - Removed unneeded #include from some files.
>
> - Tested to build cleanly on ARM64, X86_64, IA64
>
> v4 updates:
>
> - Updated from Hanjun Guo's v3 patches.
>
> - Rebased on top of v16 of device-tree NUMA patches.
>
> - Reordered some of the changes so that we don't introduce code and
> then change it several times in the patch set. New code is
> introduced in its final form. Code reused from x86 is first moved
> with no change, and then a separate patch to make any needed
> changes.
>
> - code that is used only by ia64, moved to architecture specific
> files.
>
> v3 updates:
> - Deep investigation about the ACPI_DEBUG_PRINT() and remvoe
> that for acpi/numa.c (patch 2/12)
>
> - Remove the duplicate NULL check for table print (patch 3/12)
>
> - Introduce CONFIG_ACPI_HAS_NUMA_ARCH_FIXUP to remove duplicate
> dummy function for acpi_numa_arch_fixup()
>
> - Solve the problem that the mapping from logical cpu to numa node
> is wrong which spotted out by Lorenzo
>
> - cleanups for x86 and move acpi_numa_slit_init() and some other
> functions to common place, then reduce the duplicate of x86
> and arm64 (patch 7-12/12).
>
> - rebased on top of 4.4 and Ganapat's v9 patch set.
>
> David Daney (4):
> arm64, numa: Cleanup NUMA disabled messages.
> acpi, numa: move bad_srat() and srat_disabled() to
> drivers/acpi/numa.c
> acpi, numa, srat: Improve SRAT error detection and add messages.
> ACPI / processor: Add acpi_map_madt_entry().
>
> Hanjun Guo (10):
> acpi, numa: Use pr_fmt() instead of printk
> acpi, numa: Replace ACPI_DEBUG_PRINT() with pr_debug()
> acpi, numa: remove duplicate NULL check
> acpi, numa: move acpi_numa_slit_init() to drivers/acpi/numa.c
> arm64, numa: rework numa_add_memblk()
> x86, acpi, numa: cleanup acpi_numa_processor_affinity_init()
> acpi, numa: remove unneeded acpi_numa=1
> acpi, numa: Move acpi_numa_memory_affinity_init() to
> drivers/acpi/numa.c
> arm64, acpi, numa: NUMA support based on SRAT and SLIT
> acpi, numa: Enable ACPI based NUMA on ARM64
>
> Robert Richter (1):
> acpi, numa: Move acpi_numa_arch_fixup() to ia64 only
>
> arch/arm64/include/asm/acpi.h | 8 ++
> arch/arm64/include/asm/numa.h | 2 +
> arch/arm64/kernel/Makefile | 1 +
> arch/arm64/kernel/acpi_numa.c | 112 +++++++++++++++++++++
> arch/arm64/kernel/smp.c | 2 +
> arch/arm64/mm/numa.c | 28 ++++--
> arch/ia64/include/asm/acpi.h | 3 +
> arch/ia64/kernel/acpi.c | 2 +-
> arch/ia64/kernel/setup.c | 1 +
> arch/x86/include/asm/acpi.h | 1 -
> arch/x86/mm/numa.c | 2 +-
> arch/x86/mm/srat.c | 116 +---------------------
> drivers/acpi/Kconfig | 4 +-
> drivers/acpi/numa.c | 226 ++++++++++++++++++++++++++++++++----------
> drivers/acpi/processor_core.c | 26 ++++-
> drivers/of/of_numa.c | 4 +-
> include/acpi/acpi_numa.h | 4 +
> include/acpi/processor.h | 1 +
> include/linux/acpi.h | 18 +++-
> 19 files changed, 369 insertions(+), 192 deletions(-)
> create mode 100644 arch/arm64/kernel/acpi_numa.c

All [1-15/15] queued up for 4.8, thanks!