Re: Probs with PCI bus master DMA to user space

[Alan Cox <alan _at_ lxorguk.ukuu.org.uk>]

> I'm currently writing a driver which wants to transfer data between main
> memory and a PCI device. The data buffers are allocated by the program
> which uses the driver and therefore lie in the user space. Pointers to

Allocate the buffers in the kernel and mmap() them into user space
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