On Sun, 2006-06-08 at 09:06 +1000, Herbert Xu wrote: > On Sat, Aug 05, 2006 at 07:04:46PM -0400, jamal wrote: > > > > whenever __e1000_maybe_stop_tx() --> __netif_test_and_stop_queue() was > > called it was _guaranteed to find XOFF not set_. i.e 100% of the time. > > Hardly surprising since you only have one CPU doing the actual sending.
Would it make a difference if we had more than one? qdisc_is_running ensures only one entering that region. > The only time when this can happen is if we more than one CPU transmitted > at the exatly same time. > Did you mean to the same eth device? Note: It is very highly likely - given the way i generate traffic - that two packets hit two different CPUs at the same time. But they will be to different ethernet devices. cheers, jamal - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
