Jeremy Higdon <jeremy () sgi ! com>:

  	For those to whom this is new (it was discussed on linux-kernel
  	and linux-ia64 I believe), normal PCI register reads imply that
  	PCI DMA writes that occured prior to the PCI MMR (memory mapped
  	register) read (on the PCI bus) will be reflected in system
  	memory once the MMR read is complete.

  	On our platforms, we can speed up the MMR read significantly if
  	that ordering requirement is "relaxed".

  	So I attempted to find the common register reads that don't
  	have a need for this ordering so that I could make them use
  	this faster read.

 drivers/scsi/qla2xxx/qla_def.h  |    3 +++
 drivers/scsi/qla2xxx/qla_iocb.c |    6 +++---
 drivers/scsi/qla2xxx/qla_isr.c  |    2 +-
 3 files changed, 7 insertions(+), 4 deletions(-)