Messages in this thread | | | Subject | Re: Probs with PCI bus master DMA to user space | Date | Tue, 20 Feb 2001 12:37:21 +0000 (GMT) | From | Alan Cox <> |
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> 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 - 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/
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