Messages in this thread | | | From | (Alan Cox) | Subject | Re: Kernel virtual memory? | Date | 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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