Re: Kernel virtual memory?

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 10 Aug 1997 18:33:13 +0100 (BST)

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> Drivers should in the near future be able to DMA directly into
> userspace memory. We need to lock down the pages involved, and be able
> to send a "list of pages" for the driver to use.....

This code already exists, its mmuio.c from the Linux/ATM code and is needed
into 2.2 for this and for the bttv driver (Hauppauge win/tv pci etc). I
don't know when Werner will be merging the ATM code but hopefully soon

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