RE: e1000 performance hack for ppc64 (Power4)

[Feldman, Scott]

Herman wrote:
> Its only the MTU 1500 case with non-TSO that we are 
> discussing here so copying a few bytes is really not a big 
> deal as the data is already in cache from copying into 
> kernel.  If it lets the adapter run at speed, thats what 
> customers want and what we need. Granted, if the HW could 
> deal with this we would not have to, but thats not the case 
> today so I want to spend a few CPU cycles to get best 
> performance. Again, if this is not done on other platforms, I 
> don't understand why you care.

I care because adding the arch-specific hack creates a maintenance issue
for me.

-scott