2007-10-11 11:13:37 +02:00
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obj-y := i386.o init.o
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obj-$(CONFIG_PCI_BIOS) += pcbios.o
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obj-$(CONFIG_PCI_MMCONFIG) += mmconfig_32.o direct.o mmconfig-shared.o
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obj-$(CONFIG_PCI_DIRECT) += direct.o
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2008-04-29 09:59:53 +02:00
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obj-$(CONFIG_PCI_OLPC) += olpc.o
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2007-10-11 11:13:37 +02:00
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pci-y := fixup.o
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pci-$(CONFIG_ACPI) += acpi.o
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pci-y += legacy.o irq.o
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2008-04-30 23:05:52 +02:00
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pci-$(CONFIG_X86_VISWS) += visws.o fixup.o
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pci-$(CONFIG_X86_NUMAQ) += numa.o irq.o
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x86: get mp_bus_to_node early
Currently, on an amd k8 system with multi ht chains, the numa_node of
pci devices under /sys/devices/pci0000:80/* is always 0, even if that
chain is on node 1 or 2 or 3.
Workaround: pcibus_to_node(bus) is used when we want to get the node that
pci_device is on.
In struct device, we already have numa_node member, and we could use
dev_to_node()/set_dev_node() to get and set numa_node in the device.
set_dev_node is called in pci_device_add() with pcibus_to_node(bus),
and pcibus_to_node uses bus->sysdata for nodeid.
The problem is when pci_add_device is called, bus->sysdata is not assigned
correct nodeid yet. The result is that numa_node will always be 0.
pcibios_scan_root and pci_scan_root could take sysdata. So we need to get
mp_bus_to_node mapping before these two are called, and thus
get_mp_bus_to_node could get correct node for sysdata in root bus.
In scanning of the root bus, all child busses will take parent bus sysdata.
So all pci_device->dev.numa_node will be assigned correctly and automatically.
Later we could use dev_to_node(&pci_dev->dev) to get numa_node, and we
could also could make other bus specific device get the correct numa_node
too.
This is an updated version of pci_sysdata and Jeff's pci_domain patch.
[ mingo@elte.hu: build fix ]
Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-19 12:20:09 +01:00
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pci-$(CONFIG_NUMA) += mp_bus_to_node.o
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2007-10-11 11:13:37 +02:00
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obj-y += $(pci-y) common.o early.o
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