netdev - Re: RCU callback crashes

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Date:   Wed, 20 Dec 2017 14:25:01 -0800
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     John Fastabend <john.fastabend@...il.com>
Cc:     Jiri Pirko <jiri@...nulli.us>, Jakub Kicinski <kubakici@...pl>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: RCU callback crashes

On Wed, Dec 20, 2017 at 12:14 PM, John Fastabend
<john.fastabend@...il.com> wrote:
>
> Hi,
>
> Just sent a patch to complete qdisc_destroy from rcu callback. This
> is needed to resolve a race with the lockless qdisc patches.
>
> But I guess it should fix the miniq issue as well?


If you ever look into tools/testing/selftests/bpf/test_offload.py, it is
ingress qdisc. Don't know why you keep believing it is related
to your patches.