Hi, Is it guaranteed by the higher layers that dev->hard_start_xmit is non-reentrant? I saw a comment to that effect in loopback.c and wondered if this was true for all devices. TIA. ciao, Amit -- I'm an angel!!! Honest! The horns are just there to hold the halo up straight. ^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^-^ Amit Kucheria EECS Grad. Research Assistant University of Kansas @ Lawrence (R)+1-(785)-830 8521 ||| (O)+1-(785)-864 7774 ____________________________________________________ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/