On Mon, 29 Mar 2004 19:36:04 +0200
Francois Romieu [off-list ref] wrote:

There are a few (hopefully) harmless things in the local queue that I'd
appreciate to go mainline before the second round of r8169 changes.

Do you have any plans to convert it to use DAC?  

I feel a bit uncomfortable with using the IOMMU on x86-64 for gigabit
ethernet because it would be very easy to overflow it at these bandwidths. 
DAC would be much safer.

-Andi