2009/7/31 Bob Copeland <me@xxxxxxxxxxxxxxx>: > On Fri, Jul 31, 2009 at 2:25 PM, Nick Kossifidis<mickflemm@xxxxxxxxx> wrote: >> Also we don't need to run calibration if we are idle (no interrupts). > > I think this is the big win right now... > >> c) Having calibration on a tasklet is better since during calibration >> we can't transmit or receive (antennas are detached to measure >> noise floor), previously calibration could run in parallel with tx/rx >> and interfere (packet loss). > > This can still happen, no? Two tasklets can run in parallel on > different processors, as long as they are different tasklets. > > In practice, this won't happen much because tasklets run on the > cpu that scheduled them, and irq affinity is such (at least on my > hardware) that it's almost always the same CPU. But I think to > make the above true it needs to stop the queues etc when doing > calibration. > ACK, how do we do that ? ieee80211_stop_queues / ieee80211_wake_queues > Also we are missing tasklet_kill()? > Yup, resending... -- GPG ID: 0xD21DB2DB As you read this post global entropy rises. Have Fun ;-) Nick -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
