AMD IOMMU [PSARC/2008/561]

[Matthew Jacob]

On 09/07/08 19:48, Garrett D'Amore wrote:
>
> Knowing that the IOMMU is in play might allow you to assume that only 
> one cookie will be needed.  But it would be poor form to rely on that 
> behavior.  
You've missed my point.

The point is that knowing the attributes of the underlying mapping 
algorithm (via properties, e.g., at load time, per instance), the driver 
can make allocation policy choices that make sense for that current load 
time, instance, etc.

There is no 'relying' here.