Re: newbie question: tcp/ip in kernel

From: Reto Baettig (
Date: Mon Aug 28 2000 - 16:03:25 EST

Andi Kleen wrote:
> > -) What is the best way to get rid of the copy_from_user memcpy that
> > tcp_do_sendmsg does in that call?
> Rewriting the TCP/IP stack and changing all network drivers to get rid
> of the copy.

:-( Is there an easier way?

Can I somehow get rid of the lock_kernel in 2.2 kernels (at least for
the sock_sendmsg and sock_rcvmsg calls) so that I can at least use the 2
Memory buses in our ES40's?

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