[openib-general] basic IB doubt

[Steve Wise]

On Fri, 2006-08-25 at 09:53 -0700, Roland Dreier wrote:
>     Sean> Couldn't the same point then be made that a CQ entry may
>     Sean> come before the data has been posted?
> 
> That's true -- I guess I need to look at what ordering guarantees the
> PCI spec makes to give a real answer.
> 

I believe bus bridges between devices and memory _must_ ensure write
ordering.  Otherwise nothing works, right?