Messages in this thread |  | | Date | Sun, 20 May 2001 18:58:21 -0700 | From | Richard Henderson <> | Subject | Re: alpha iommu fixes |
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On Sun, May 20, 2001 at 06:03:44PM -0700, David S. Miller wrote: > But for the time being, everyone assumes address zero is not valid and > it shouldn't be too painful to reserve the first page of DMA space > until we fix this issue.
Indeed, virtually all PCI systems have legacy PeeCee compatibility crap handing out in low i/o memory, and we don't use the first megabyte or so.
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