On Wed, 2016-11-30 at 18:32 -0800, Eric Dumazet wrote: > I simply suggest we try to queue the qdisc for further servicing as we > do today, from net_tx_action(), but we might use a different bit, so > that we leave the opportunity for another cpu to get __QDISC_STATE_SCHED > before we grab it from net_tx_action(), maybe 100 usec later (time to > flush all skbs queued in napi_consume_skb() and maybe RX processing, > since most NIC handle TX completion before doing RX processing from thei > napi poll handler. > > Should be doable with few changes in __netif_schedule() and > net_tx_action(), plus some control paths that will need to take care of > the new bit at dismantle time, right ?
Hmm... this is silly. Code already implements a different bit. qdisc_run() seems to run more often from net_tx_action(), I have to find out why.
