On Fri, 13 Nov 2015, Steinar H. Gunderson wrote: > So what is the road from here? I guess the original questions about cache > coherency still apply, and that this is what I'm seeing in dmesg. What questions? It should be obvious that the user program should not touch the buffer contents while the transfer is taking place. What are you seeing in dmesg? The next step would be to massage the patch and get it into a form suitable for applying. This may well include changing the way the API works; for example, I'm not sure that allocating memory should be a separate step from mmap. Alan Stern -- 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
