On Mon, Aug 28, 2000 at 02:03:25PM -0700, Reto Baettig wrote:
> 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?
Later 2.2 kernels automatically drop the kernel lock during the copy, so
that should just work.
-Andi
-
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