From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [RFC PATCH 10/13] net: sched: lockless support for
 netif_schedule
Date: Wed, 17 Aug 2016 16:01:17 -0700
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	 <20160817193738.27032.25592.stgit@john-Precision-Tower-5810>
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Cc: xiyou.wangcong@gmail.com, jhs@mojatatu.com,
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	john.r.fastabend@intel.com, netdev@vger.kernel.org,
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To: John Fastabend <john.fastabend@gmail.com>
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On Wed, 2016-08-17 at 12:37 -0700, John Fastabend wrote:

> diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
> index d10b762..f5b7254 100644
> --- a/net/sched/sch_generic.c
> +++ b/net/sched/sch_generic.c
> @@ -171,6 +171,7 @@ static void try_bulk_dequeue_skb_slow(struct Qdisc *q,
>  			if (qdisc_is_percpu_stats(q)) {
>  				qdisc_qstats_cpu_backlog_inc(q, nskb);
>  				qdisc_qstats_cpu_qlen_inc(q);
> +				set_thread_flag(TIF_NEED_RESCHED);
>  			} else {
>  				qdisc_qstats_backlog_inc(q, nskb);
>  				q->q.qlen++;

Hmm... care to elaborate this bit ?