linux-kernel - [PATCH v4 00/14] ACPI NUMA support for ARM64

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Message-Id: <1461014052-30788-1-git-send-email-ddaney.cavm@gmail.com>
Date:	Mon, 18 Apr 2016 14:13:58 -0700
From:	David Daney <ddaney.cavm@...il.com>
To:	Will Deacon <will.deacon@....com>,
	linux-arm-kernel@...ts.infradead.org,
	Mark Rutland <mark.rutland@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <lenb@...nel.org>, Rob Herring <robh+dt@...nel.org>,
	Frank Rowand <frowand.list@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Robert Moore <robert.moore@...el.com>,
	Lv Zheng <lv.zheng@...el.com>,
	Hanjun Guo <hanjun.guo@...aro.org>,
	Marc Zyngier <Marc.Zyngier@....com>,
	linux-ia64@...r.kernel.org, linux-acpi@...r.kernel.org,
	devel@...ica.org
Cc:	linux-kernel@...r.kernel.org, Robert Richter <rrichter@...ium.com>,
	David Daney <david.daney@...ium.com>
Subject: [PATCH v4 00/14] ACPI NUMA support for ARM64

From: David Daney <david.daney@...ium.com>

Based on v16 of device-tree NUMA patch set for arm64 [1],this patch
set introduce the ACPI based configuration to provide NUMA
information.

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.

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.

[1]: https://lkml.org/lkml/2016/4/8/571

David Daney (1):
  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 (2):
  acpi, numa: Move acpi_numa_arch_fixup() to ia64 only
  arm64, acpi, numa: Default enable ACPI_NUMA with NUMA

 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          |  17 ++--
 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            | 115 +----------------------
 drivers/acpi/Kconfig          |   4 +-
 drivers/acpi/numa.c           | 211 +++++++++++++++++++++++++++++++-----------
 drivers/of/of_numa.c          |   4 +-
 include/acpi/acpi_numa.h      |  12 +++
 include/linux/acpi.h          |  18 +++-
 17 files changed, 370 insertions(+), 182 deletions(-)
 create mode 100644 arch/arm64/kernel/acpi_numa.c

-- 
1.7.11.7