Hello! I didn't get any answer within a month, so I decided to ask the very same thing again :) I'm writing network device driver. Device is pure software and do not need xmit_lock protection from concurrent calls. Is it a way to shot the lock from hard_start_xmit function in device driver? Thanks. -- Alexey -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/