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<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" - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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