AMD IOMMU [PSARC/2008/561]

[Matthew Jacob]

Vikram Hegde wrote:
> Hi,
>
> I think specifiying a FORCE_IOMMU flag will turn this into an 
> experimental feature that will never become mainstream in the 
> forseeable feature. Driver developers will simply not take interest 
> until it becomes mainstream and it will never become mainstream 
> without developer interest. We will also be at a competitive 
> disadvantage compared to Windows and Linux both of which will have 
> IOMMU support.  I agree with Garrett and Wes that using FORCE_PHYSICAL 
> is probably the right balance of caution (there is an out for driver 
> developers) and evolving the DDI - we can't afford a glacial pace.

*shrug*

Thanks for giving this some consideration.