Re: alpha iommu fixes

[David S. Miller]

Alan Cox writes:
 > And how do you propose to implemnt cache coherent pci allocations
 > on machines which lack the ability to have pages coherent between
 > I/O and memory space ?

Pages, being in memory space, are never in I/O space.

Maybe I don't understand the situation.

Later,
David S. Miller
[e-mail]