Eric Lemoine writes:
> > From: Eric Lemoine <Eric.Lemoine@xxxxxxx>
> > Date: Tue, 20 May 2003 10:22:17 +0200
> > Any comments regarding the following patch?
I think it will make any use of "raw" dev->hard_start_xmit" impossible.
Which is what pktgen uses.
> > I understand why it is valid, etc., but why do we even want to do
> > this? It is not like this dead-loop detection stuff is a hot-path or
> > anything like that.
> I've implemented a prototype that uses per-CPU kernel threads for
> processing packets coming in from a single interface. The idea is to
> apply multiple CPUs to a single network interface to be able to have
> multiple CPUs simultaneously pumping data into the network. So in my
> case, I have lots of cpu_collisions and running the tx softirq to do
> nothing may lower the performances. Anyway, even though my patch may
> help me, it may indeed be irrelevant to the stock kernel.
Sounds like a project at least having packet reordering and cache bouncing