PCI: add ID-based ordering enable/disable support
authorJesse Barnes <jbarnes@virtuousgeek.org>
Tue, 19 Oct 2010 20:07:57 +0000 (13:07 -0700)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Wed, 11 May 2011 22:18:40 +0000 (15:18 -0700)
commitb48d4425b602f5f4978299474743dbea130d940d
tree7da23c264cab62bce753e60c4e8d5fbbb0aab0e7
parent69643e4829c5cd13bafe44a6b9f3eb2086e0f618
PCI: add ID-based ordering enable/disable support

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>
drivers/pci/pci.c
include/linux/pci.h
include/linux/pci_regs.h