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Date:   Mon, 31 Aug 2020 09:56:59 -0700
From:   Alexei Starovoitov <ast@...com>
To:     Yonghong Song <yhs@...com>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        <davem@...emloft.net>
CC:     <daniel@...earbox.net>, <josef@...icpanda.com>,
        <bpoirier@...e.com>, <akpm@...ux-foundation.org>,
        <hannes@...xchg.org>, <netdev@...r.kernel.org>,
        <bpf@...r.kernel.org>, <kernel-team@...com>
Subject: Re: [PATCH v3 bpf-next 5/5] selftests/bpf: Add sleepable tests

On 8/29/20 5:22 PM, Yonghong Song wrote:
>> LOCKDEP=y
>> DEBUG_ATOMIC_SLEEP=y
>> LOCK_DEBUGGING_SUPPORT=y
>> KASAN=y
>> in my .config and don't see it :(
>> Could pls send me your .config?
> 
> The config file is attached. In my environment, the warning is only
> printed out during the first run of `./test_progs -t lsm`. All later
> runs did not have this warning.

Thanks. Turned out LOCKDEP=y and DEBUG_ATOMIC_SLEEP=y wasn't enough.
My config was missing PROVE_LOCKING=y.

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