[PATCH v6 00/14] ACPI NUMA support for ARM64

[David Daney]

From: David Daney <david.daney at cavium.com>

Based on git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
for-next/core branch at commit 643d703d2d2d ("arm64: compat: Check for
AArch32 state")

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.

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 (2):
  arm64, numa: Cleanup NUMA disabled messages.
  acpi, numa, srat: Improve SRAT error detection and add messages.

Hanjun Guo (11):
  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: move bad_srat() and srat_disabled() to
    drivers/acpi/numa.c
  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 | 149 ++++++++++++++++++++++++++++
 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           | 224 ++++++++++++++++++++++++++++++++----------
 drivers/of/of_numa.c          |   4 +-
 include/acpi/acpi_numa.h      |   4 +
 include/linux/acpi.h          |  18 +++-
 17 files changed, 382 insertions(+), 187 deletions(-)
 create mode 100644 arch/arm64/kernel/acpi_numa.c

-- 
1.7.11.7