From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [Patch net 00/15] net_sched: remove RCU callbacks from TC
Date: Wed, 25 Oct 2017 10:43:53 +0900 (KST)
Message-ID: <20171025.104353.1317026584880877750.davem@davemloft.net>
References: <20171023220304.2268-1-xiyou.wangcong@gmail.com>
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From: Cong Wang <xiyou.wangcong@gmail.com>
Date: Mon, 23 Oct 2017 15:02:49 -0700

> Recently, the RCU callbacks used in TC filters and TC actions keep
> drawing my attention, they introduce at least 4 race condition bugs:

Like Eric, I think doing a full RCU sync on every delete is too big
a pill to swallow.  This is a major control plane performance
regression.

Please find another reasonable way to fix this.

Thank you.