PCI: add ID-based ordering enable/disable support

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Add support to allow drivers to enable/disable ID-based ordering.  Where
supported, ID-based ordering can significantly improve the latency of
individual requests by preventing them from queueing up behind unrelated
traffic.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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This commit is contained in:

Jesse Barnes 2010-10-19 13:07:57 -07:00

parent 69643e4829

commit b48d4425b6

3 changed files with 68 additions and 0 deletions

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53

drivers/pci/pci.c

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13

include/linux/pci.h

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2

include/linux/pci_regs.h

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