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Date:   Wed, 2 Sep 2020 22:01:17 -0700
From:   Cong Wang <>
To:     Kehuan Feng <>
Cc:     Hillf Danton <>, Jike Song <>,
        Josh Hunt <>, Paolo Abeni <>,
        Jonas Bonn <>,
        Michael Zhivich <>,
        David Miller <>,
        John Fastabend <>,
        LKML <>,
        Netdev <>
Subject: Re: Packet gets stuck in NOLOCK pfifo_fast qdisc

Hello, Kehuan

Can you test the attached one-line fix? I think we are overthinking,
probably all
we need here is a busy wait.


View attachment "qdisc-seqlock.diff" of type "text/x-patch" (530 bytes)

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