Re: [Patch V3 00/16] Enable support of IOAPIC hotplug on x86 platforms

From: Konrad Rzeszutek Wilk
Date: Fri Jun 27 2014 - 10:24:43 EST


On Wed, Jun 25, 2014 at 04:40:31PM +0800, Jiang Liu wrote:
> This patch set enhances IOAPIC core and ACPI drivers to support IOAPIC
> hotplug on x86 platforms. It's based on tip/x86/apic.
>
> You may pull it from
> https://github.com/jiangliu/linux.git ioapic/hotplug_v3

fatal: Couldn't find remote ref ioapic/hotplug_v3
Unexpected end of command stream

I see ioapic/hotplug_v2?
>
> We have pick up several patches from Yinghai's original IOAPIC hotplug
> patch set and reimplemented IOAPIC driver as an ACPI driver instead of
> a PCI driver.
>
> It has been tested on a 4-socket Intel SDV with socket hot-addition
> capability. Any suggestions are welcomed!
>
> Patch 1-5 are minor bugfixes and code improvements
> Patch 6-14 enhances ACPI and IOAPIC core to support IOAPIC hotplug
> Patch 15 killes PCI IOAPIC driver
> Patch 16 reimplements ACPI IOAPIC driver and enables IOAPIC hotplug
>
> V2->V3:
> 1) Refine ACPI resource walk functions for PCI root bus and IOAPIC
> 2) Improve commit messages
> 3) Reorder patch order for better maintenence
>
> Jiang Liu (11):
> x86, irq, ACPI: Protect acpi_pci_irq_enable() from reentrance
> ACPI: Correct return value of acpi_dev_resource_address_space()
> x86, PCI, ACPI: Kill private function resource_to_addr()
> x86, irq: Remove __init marker for functions will be used by IOAPIC
> hotplug
> x86, irq: Refine mp_register_ioapic() to prepare for IOAPIC hotplug
> x86, irq, ACPI: Introduce a rwsem to protect IOAPIC operations from
> hotplug
> x86, irq, ACPI: Implement interface to support ACPI based IOAPIC
> hot-addition
> x86, irq, ACPI: Implement interface to support ACPI based IOAPIC
> hot-removal
> x86, irq: Introduce helper to check whether an IOAPIC has been
> registered
> PCI: Remove PCI ioapic driver
> x86, irq, ACPI: Implement ACPI driver to support IOAPIC hotplug
>
> Yinghai Lu (5):
> ACPI: Make map_mat_entry handle x2apic entry
> ACPI: Move acpi_get_cpuid() to separated file
> x86, irq: Split out alloc_ioapic_save_registers()
> x86, ioapic: Find usable ioapic id for 64bit.
> ACPI, ioapic: Add acpi_get_ioapic_id()
>
> arch/x86/include/asm/io_apic.h | 6 +-
> arch/x86/kernel/acpi/boot.c | 68 ++++++++-
> arch/x86/kernel/apic/io_apic.c | 235 +++++++++++++++++++++++++-------
> arch/x86/pci/acpi.c | 142 +++++++------------
> drivers/acpi/Kconfig | 6 +
> drivers/acpi/Makefile | 2 +
> drivers/acpi/apic_id.c | 295 ++++++++++++++++++++++++++++++++++++++++
> drivers/acpi/internal.h | 7 +
> drivers/acpi/ioapic.c | 236 ++++++++++++++++++++++++++++++++
> drivers/acpi/pci_irq.c | 7 +-
> drivers/acpi/pci_root.c | 3 +
> drivers/acpi/processor_core.c | 191 --------------------------
> drivers/acpi/resource.c | 2 +-
> drivers/pci/Kconfig | 7 -
> drivers/pci/Makefile | 2 -
> drivers/pci/ioapic.c | 121 ----------------
> include/acpi/processor.h | 3 -
> include/linux/acpi.h | 8 ++
> 18 files changed, 868 insertions(+), 473 deletions(-)
> create mode 100644 drivers/acpi/apic_id.c
> create mode 100644 drivers/acpi/ioapic.c
> delete mode 100644 drivers/pci/ioapic.c
>
> --
> 1.7.10.4
>
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