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SubjectRe: alpha iommu fixes
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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