Re: Probs with PCI bus master DMA to user space

David Woodhouse (dwmw2@infradead.org)
Tue, 20 Feb 2001 17:03:16 +0000

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




-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/