Re: [PATCH] s390: qeth tcp segmentation offload

[Andrew Morton <akpm@xxxxxxxx>]

Jeff Garzik <jgarzik@xxxxxxxxx> wrote:
>
> Please help me understand:  why add all this TSO code (zerocopy), if you 
>  are adding memcpy() under the hood?
> 
>  Was this reviewed on netdev?  or by any network developer?
> 
>  Overall this patch adds a whole lot of code that must be VERY intimate 
>  with the net stack, a huge maintenance burden that is likely to be rife 
>  with out-of-date code and bugs over time.
> 

There was some dicussion on linux-net last Thursday.