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Subject[PATCH 00/14] x86, ACPI, numa: Parse numa info early
Date
One commit that tried to parse SRAT early get reverted before v3.9-rc1.

| commit e8d1955258091e4c92d5a975ebd7fd8a98f5d30f
| Author: Tang Chen <tangchen@cn.fujitsu.com>
| Date: Fri Feb 22 16:33:44 2013 -0800
|
| acpi, memory-hotplug: parse SRAT before memblock is ready

It broke several several things, like acpi override and fall back path etc.

This patchset is clean implementation that will parse numa info early.
1. keep the acpi table initrd override working by split finding with copying.
finding is done at head_32.S and head64.c stage, that mimics microcode updating.
copying is just after memblock is setup.
2. keep fallback path working. numaq and ACPI and amd_nmua and dummy.
seperate initmem_init to two stages. early_initmem_init will only extract
numa info early into numa_meminfo.
3. keep other old code flow untouched like relocate_initrd and initmem_init.
4. last patch will try to put page table on local node, so that memory
hotplug will be happy.

In short, early_initmem_init will parse numa info early and call
init_mem_mapping to set page table for every nodes's mem.

could be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-x86-mm

and it is based on today's Linus tree that merges x86_urgent.

Tested on x86 32bit non-numa/numa, 64bit non-numa/numa configurations.

Thanks

Yinghai

Yinghai Lu (14):
x86, ACPI, mm: Kill max_low_pfn_mapped
x86, ACPI: Split find/copy from acpi_initrd_override
x86, ACPI: store override acpi tables phys addr
x86, ACPI: make acpi override finding work with 32bit flat mode
x86, ACPI: Find acpi tables in initrd early at head_32.S/head64.c
x86, mm, numa: Move successful path handling code later
x86, mm, numa: call numa_meminfo_cover_memory() early
x86, mm, numa: use numa_meminfo to check node_map_pfn alignment
x86, mm, numa: set memblock nid later
x86, mm, numa: Move emulation handling down.
x86, acpi, numa: split SLIT handling out
x86, mm, numa: Add early_initmem_init() stub
x86, mm: Parse numa info early
x86, mm: Put pagetable on local node ram

arch/x86/include/asm/acpi.h | 3 +-
arch/x86/include/asm/page_types.h | 2 +-
arch/x86/include/asm/pgtable.h | 2 +-
arch/x86/include/asm/setup.h | 2 +
arch/x86/kernel/head64.c | 2 +
arch/x86/kernel/head_32.S | 4 +
arch/x86/kernel/setup.c | 56 +++++---
arch/x86/mm/init.c | 87 ++++++------
arch/x86/mm/init_32.c | 11 ++
arch/x86/mm/init_64.c | 12 ++
arch/x86/mm/numa.c | 236 +++++++++++++++++++++++++-------
arch/x86/mm/numa_emulation.c | 2 +-
arch/x86/mm/numa_internal.h | 2 +
arch/x86/mm/srat.c | 8 +-
drivers/acpi/numa.c | 22 ++-
drivers/acpi/osl.c | 122 +++++++++++------
drivers/gpu/drm/i915/i915_gem_stolen.c | 2 +-
include/linux/acpi.h | 18 +--
include/linux/mm.h | 3 -
mm/page_alloc.c | 52 +------
20 files changed, 425 insertions(+), 223 deletions(-)
--
1.7.10.4



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