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Date: Tue, 6 Dec 2016 16:10:08 -0800 From: Cong Wang <xiyou.wangcong@...il.com> To: Jamal Hadi Salim <jhs@...atatu.com> Cc: Feng Deng <cxdx2006@...il.com>, "David S. Miller" <davem@...emloft.net>, Linux Kernel Network Developers <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, feng.deng@...tina-access.com, Roman Mashak <mrv@...atatu.com> Subject: Re: [PATCH]net:sched:release lock before tcf_dump_walker() normal return to avoid deadlock On Tue, Dec 6, 2016 at 5:50 AM, Jamal Hadi Salim <jhs@...atatu.com> wrote: > On 16-12-06 12:36 AM, Feng Deng wrote: >> >> From: Feng Deng<cxdx2006@...il.com> >> >> release lock before tcf_dump_walker() normal return to avoid deadlock >> > > /Scratching my head. > > I am probably missing something obvious. > What are the condition under which this deadlock will happen? > Do you have a testcase we can try? I don't even see a patch (tried Google too).
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