From: Jiri Pirko <jiri@resnulli.us>
To: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Linux Kernel Network Developers <netdev@vger.kernel.org>,
Jiri Pirko <jiri@mellanox.com>,
John Fastabend <john.fastabend@gmail.com>
Subject: Re: [Patch net] net_sched: fix a missing rcu barrier in mini_qdisc_pair_swap()
Date: Fri, 22 Dec 2017 11:23:52 +0100 [thread overview]
Message-ID: <20171222102352.GD11519@nanopsycho> (raw)
In-Reply-To: <CAM_iQpVfYUsJ6D5fpE+Ng8wGxK6uoN3PRntYO_Y0j+7YRKdSqg@mail.gmail.com>
Thu, Dec 21, 2017 at 08:01:35PM CET, xiyou.wangcong@gmail.com wrote:
>On Thu, Dec 21, 2017 at 1:03 AM, Jiri Pirko <jiri@resnulli.us> wrote:
>> Thu, Dec 21, 2017 at 08:26:24AM CET, xiyou.wangcong@gmail.com wrote:
[...]
>
>
>Seriously? It is this call_rcu still flying after we free the qdisc.
>Did you seriously look into the stack trace from Jakub?
Got it now. You are right. Thank you for politely helping me to get out
of my confusion.
next prev parent reply other threads:[~2017-12-22 10:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-21 7:26 [Patch net] net_sched: fix a missing rcu barrier in mini_qdisc_pair_swap() Cong Wang
2017-12-21 9:03 ` Jiri Pirko
2017-12-21 19:01 ` Cong Wang
2017-12-21 20:54 ` Cong Wang
2017-12-22 9:38 ` Jiri Pirko
2017-12-22 10:23 ` Jiri Pirko [this message]
2017-12-22 10:24 ` Jiri Pirko
2017-12-26 17:30 ` David Miller
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