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SubjectRe: [UPDATE] 2.4.10-pre2 PCI64, API changes README
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> When such an API would be created, it would take two PCI_DEV structs,
> and it would possibly fail. On sparc64 for example, it is not
> possible to PCI peer-to-peer DMA between two PCI devices behind
> different PCI controllers, it simply doesn't work.

Thats an API video overlay really really needs of course - because DMA from
the capture card into the video memory is precisely how its done.

Alan
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