Re: 32-bit dma allocations on 64-bit platforms

David Mosberger
2004-06-29T06:13:17Z

>>>>> On Sat, 26 Jun 2004 09:16:27 +0200, Arjan van de Ven <arjanv@redhat.com> said:

Arjan> the real solution is an iommu of course, but the highmem
Arjan> solution has quite some merit too..... I know you disagree
Arjan> with me on that one though.

Yes, some merits and some faults. The real solution is iommu or
64-bit capable devices. Interesting that graphics controllers should
be last to get 64-bit DMA capability, considering how much more
complex they are than disk controllers or NICs.

--david