Re: zero copy

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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"
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• Next message: Russell King: "Re: [PATCH] Restore module support."
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