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

Jes Sorensen
2004-06-30T08:12:13Z

>>>>> "David" == David Mosberger <davidm@napali.hpl.hp.com> writes:

>>>>> 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 with
Arjan> me on that one though.

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

You found a 64 bit capable sound card yet? ;-)

Cheers,
Jes