netdev - Re: [PATCH net-next 1/1] pkt_sched: Remove useless qdisc_stab

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Date:   Fri, 17 Feb 2017 15:10:36 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     fgao@...ai8.com
Cc:     jhs@...atatu.com, netdev@...r.kernel.org, gfree.wind@...il.com
Subject: Re: [PATCH net-next 1/1] pkt_sched: Remove useless qdisc_stab_lock

From: fgao@...ai8.com
Date: Fri, 17 Feb 2017 14:34:19 +0800

> From: Gao Feng <fgao@...ai8.com>
> 
> The qdisc_stab_lock is used in qdisc_get_stab and qdisc_put_stab.
> These two functions are invoked in qdisc_create, qdisc_change, and
> qdisc_destroy which run fully under RTNL.
> 
> So it already makes sure only one could access the qdisc_stab_list at
> the same time. Then it is unnecessary to use qdisc_stab_lock now.
> 
> Signed-off-by: Gao Feng <fgao@...ai8.com>

Applied, thank you.