Re: Alpha: virt_to_bus/GFP_DMA problem

Jes Sorensen (Jes.Sorensen@cern.ch)
10 Dec 1999 18:19:37 +0100


>>>>> "Jakma" == Jakma, Paul <Paul.Jakma@compaq.com> writes:

>> This would be good for low end devices that don't do scatter/gather
>> themselves - I seem to remember some of the frame grabber ones have
>> this problem.

Jakma> Even for scatter-gather capable hardware it would be a
Jakma> win. Chipset scatter-gather would allow them to access any
Jakma> RAM. Irregardless of how much memory is in the machine.

The devices I am playing with already support 64 bit address cycles,
even on 32 bit busses ;-) Like the Alteon AceNIC Gigabit card and the
Essential RoadRunner HIPPI card.

Jes

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