netdev - Re: bond: take rcu lock in bond_poll

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Message-ID: <bbd3cd10-b0c2-a04d-3069-8ac88313aa1d@gmail.com>
Date:   Fri, 28 Sep 2018 11:38:35 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Dave Jones <davej@...emonkey.org.uk>, netdev@...r.kernel.org
Subject: Re: bond: take rcu lock in bond_poll_controller



On 09/28/2018 11:24 AM, Dave Jones wrote:
> Callers of bond_for_each_slave_rcu are expected to hold the rcu lock,
> otherwise a trace like below is shown
> 
> WARNING: CPU: 2 PID: 179 at net/core/dev.c:6567 netdev_lower_get_next_private_rcu+0x34/0x40
> CPU: 2 PID: 179 Comm: kworker/u16:15 Not tainted 4.19.0-rc5-backup+ #1
>
> 
> Suggested-by: Cong Wang <xiyou.wangcong@...il.com>
> Signed-off-by: Dave Jones <davej@...emonkey.org.uk>
> 


You forgot to change patch title.