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Message-ID: <20160610102005.GH1535@rric.localdomain>
Date: Fri, 10 Jun 2016 12:20:05 +0200
From: Robert Richter <robert.richter@...ium.com>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>
CC: David Daney <ddaney.cavm@...il.com>,
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>,
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>, <linux-kernel@...r.kernel.org>,
David Daney <david.daney@...ium.com>
Subject: Re: [PATCH v7 00/15] ACPI NUMA support for ARM64
On 04.06.16 00:07:04, Rafael J. Wysocki wrote:
> On Tuesday, May 24, 2016 03:35:30 PM David Daney wrote:
> > From: David Daney <david.daney@...ium.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!
Rafael,
I noticed patch #15 missing in your today's tree, I only found:
d8b47fca8c23 arm64, ACPI, NUMA: NUMA support based on SRAT and SLIT
Is this intended? It still cleanly applies.
Thanks,
-Robert
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