On Tue, Nov 17, 2015 at 02:13:49PM -0500, Alan Stern wrote: > But what other way of allocating memory is there? For my part, GPU memory versus malloc(). (You can ask OpenGL to permanently map up a chunk of GPU memory for you into userspace, but you have no guarantees as of if it's DMA-able. But typical memory from malloc() might.) It might be overengineering things, though. I'd be fairly happy if I only had zerocopy in most common situations. (Does xHCI have this 32-bit limitation?) /* Steinar */ -- Homepage: https://www.sesse.net/ -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
