On Mon, Nov 16, 2015 at 03:22:06PM -0500, Alan Stern wrote: > Check that userspace requested zerocopy (otherwise the user > program might try to access other data stored in the same cache > lines as the buffer while the I/O is in progres);
Needed for send only, right? For receive, I guess you're not allowed to modify the buffer while the transfer is going on anyway. /* Steinar */ -- Homepage: https://www.sesse.net/ -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html