<quote who="Venkat Raghu"> > > > Hi, > > What is zero copy mechanism in ethernet drivers. > > Regards > Venkat Zero copy is intended to bypass the need of copying the user space buffer in kernel space via copy_from_user. It is achieved by mapping dma buffer in user space for exaple so that eth driver can directly use them for dma -- Emiliano Gabrielli dip. di Fisica 2° Università di Roma "Tor Vergata" -- Emiliano Gabrielli dip. di Fisica 2° Università di Roma "Tor Vergata" -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
