Re: SCSI QLA not working on latest *-mm SN2

Jesse Barnes
2004-09-21T16:05:39Z

On Tuesday, September 21, 2004 12:01 pm, Matthew Wilcox wrote:
> How can we do pioflush()? My understanding of PCI ordering rules is that
> we need to go all the way down to the device to prevent some intermediate
> bridge from delaying the write arbitrarily. So we'd actually need the
> pci_dev and read its device ID back from config space, or something.

Reading from the closest bridge won't be enough? If not, then dealing with
posting in a nice way is simply impossible for some devices. We'd be stuck
with udelay().

Jesse