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This patch exposes basic allocation statistics for pci pools,
very much like /proc/slabinfo but applying to DMA-consistent
memory.  A file "pools" is created in the driverfs directory
for the relevant pci device when the first pool is created, and
removed when the last pool is destroyed.

Please merge to 2.5.latest.  If it matters, DaveM said it
looks fine.  It produces sane output for all the 2.5.30
USB host controller drivers.

This patch fixes a bug in NUMA-Q PCI code where the kernel can't find PCI
devices on any node other than the first.

sh pci ops changes

mips pci ops changes

ia64 pci ops changes

pci_ops update for most of the alpha ports.

x86-64 pci changes

removed the pci_*_nodev functions, as the pci_bus_* functions should be used instead.

add pci_bus_* functions to replace the pci_read_* and pci_write_* functions.

The patch removes the pci_confN_(read|write)_config_(byte|word|dword) mess and
pares it down to pci_confN_(read|write).  This change is reflected in the
pci_ops structure, which only has read and write function pointers rather than
the byte, word, and dword versions.  These changes happen in the pci_conf(1|2)
and pci_bios read and write calls.

This patch also removes the pci_config_(read|write) function pointers.  People
shouldn't be using these (I don't think) and should be using the pci_ops
structure linked through the pci_dev structure.  These end up calling the same
functions that the pci_config_(read|write) pointers refer to anyway.

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