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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>
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fix bogus pirq warnings reported in:
http://bugzilla.kernel.org/show_bug.cgi?id=10366
safe to be backported to v2.6.25 and earlier.
Cc: stable@kernel.org
Signed-off-by: Björn Steinbrink <B.Steinbrink@gmx.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This patch adds the Intel ICH10 LPC Controller DeviceID's.
Signed-off-by: Jason Gaston <jason.d.gaston@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I can find no reason for the _p on the serverworks IRQ routing logic, and
a review of the documentation contains no indication that any such delay
is needed so lets try this
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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we use a few static mapping rules in our pirq routing functions,
and for example regression f3ac84324fd94 was due to the pirq
being out of range of the remapping array. Put in a few
WARN_ON_ONCE() lines so that we get notified about any such
out-of-bound incidents.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Spelling fixes in arch/i386/.
Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Add support for PicoPower PT86C523 IRQ router to be used with the in-kernel
yenta driver for CardBus. With this patch cardbus works on e.g. Dell
Latitude XPi P150CD.
Initial patch for kernel 2.4 series by Sune Mølgaard
http://molgaard.org/code/linux-2.4.31-picopower.patch
Ported to 2.6.20 by Chmouel Boudjnah (http://www.chmouel.com)
Testing and confirmation that it works by Austin Acton
Cleaned up a little for inclusion in a 2.6.21-rc7 based kernel.
Added some more cleanups according to CodingStyle, as noted by
Randy Dunlap on LKML.
[akpm@linux-foundation.org: build fixes]
Signed-off-by: Thomas Backlund <tmb@mandriva.org>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6
* 'dmi-const' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6:
drivers/firmware: const-ify DMI API and internals
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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