From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Daney Date: Tue, 19 Apr 2016 18:44:01 +0000 Subject: Re: [PATCH v4 00/14] ACPI NUMA support for ARM64 Message-Id: <57167C71.5010800@caviumnetworks.com> List-Id: References: <1461014052-30788-1-git-send-email-ddaney.cavm@gmail.com> In-Reply-To: <1461014052-30788-1-git-send-email-ddaney.cavm@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: David Daney Cc: Will Deacon , linux-arm-kernel@lists.infradead.org, Mark Rutland , Catalin Marinas , Tony Luck , Fenghua Yu , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, "Rafael J. Wysocki" , Len Brown , Rob Herring , Frank Rowand , Grant Likely , Robert Moore , Lv Zheng , Hanjun Guo , Marc Zyngier , linux-ia64@vger.kernel.org, linux-acpi@vger.kernel.org, devel@acpica.org, linux-kernel@vger.kernel.org, Robert Richter , David Daney There is a build problem on ia64 that slipped by. It is easy to correct, so I will have to send another version of the patches. Sorry for the noise, David Daney On 04/18/2016 02:13 PM, David Daney wrote: > From: David Daney > > 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 >