Re: Probs with PCI bus master DMA to user space

From: David Woodhouse (dwmw2@infradead.org)
Date: Tue Feb 20 2001 - 12:03:16 EST


norbert.roos@cluster-labs.de said:
> The problem I have is: Is there an efficient way to lock the pages
> which are accessed by the DMA?

map_user_kiobuf, lock it, DMA into it, unlock it and unmap it again?

--
dwmw2

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