This patchset enhance pci_root driver to update MMCFG information when
hot-plugging PCI root bridges. It applies to
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/next-3.5
-v2: split into smaller patches and skip updating MMCFG information when
MMCFG is disabled
-v3: add mmconf_added to simply free path, also make pci_mmconfig_insert()
to process extra exist case --- By Yinghai
-v4: tune arch_acpi_pci_root_add() to handle a corner case raised by Kenji
-v5: address review comments from Bjorn and Taku, also better handle corner
cases in arch_acpi_pci_root_add()
-v6: get rid of arch_acpi_pci_root_xxx() by using existing hooks
add MCFG information for host bridges on demand
more corner cases clear up
correctly handle condition compilation
fix section mismatch issues
fix a issue reported by Taku about a BIOS bug
-v7: unify log messages
remove redundant host bridge resource related log messages
fix a issue reported by Taku which breaks pnp resource allocation
-v8: 1) add acpi_pci_cache_mcfg() in patch "provide MCFG address for PCI host
bridges" for better readability and fix a condition compilation issue
2) change patch "add MMCFG information on demand" to RFC and fix
compilation issues reported by Fengguang
3) Add new patch "refine __pci_mmcfg_init() for better code readability"
and "mark acpi_sfi_table_parse() as __init", there should no
functionality changes.
Jiang Liu (12):
x86/PCI: split out pci_mmcfg_check_reserved() for code reuse
x86/PCI: split out pci_mmconfig_alloc() for code reuse
x86/PCI: use RCU list to protect mmconfig list
x86/PCI: introduce pci_mmcfg_arch_map()/pci_mmcfg_arch_unmap()
x86/PCI: add pci_mmconfig_insert()/delete() for PCI root bridge
hotplug
PCI/ACPI: provide MCFG address for PCI host bridges
x86/PCI: update MMCFG information when hot-plugging PCI host bridges
x86/PCI: simplify pci_mmcfg_late_insert_resources()
x86/PCI: get rid of redundant log messages
x86/PCI: refine __pci_mmcfg_init() for better code readability
ACPI: mark acpi_sfi_table_parse() as __init
x86/PCI: add MMCFG information on demand
arch/x86/include/asm/pci_x86.h | 12 ++
arch/x86/pci/acpi.c | 76 +++++++-
arch/x86/pci/legacy.c | 1 +
arch/x86/pci/mmconfig-shared.c | 429 +++++++++++++++++++++++++++++-----------
arch/x86/pci/mmconfig_32.c | 30 +++-
arch/x86/pci/mmconfig_64.c | 37 +++-
drivers/acpi/pci_root.c | 12 ++
drivers/pci/pci-acpi.c | 60 ++++++
include/acpi/acnames.h | 1 +
include/acpi/acpi_bus.h | 3 +
include/linux/pci-acpi.h | 5 +
include/linux/sfi_acpi.h | 4 +-
12 files changed, 536 insertions(+), 134 deletions(-)
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