linux-kernel - Locking API testsuite: mixed read-lock/lock-write ABBA: |FAILED|

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Date:   Wed, 11 Oct 2017 11:28:25 -0700
From:   Jakub Kicinski <kubakici@...pl>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>
Subject: Locking API testsuite: mixed read-lock/lock-write ABBA:           
  |FAILED|

I'm seeing a failure on net-next kernels (rc4):

[    0.000000]   --------------------------------------------------------------------------
[    0.000000]               recursive read-lock:             |  ok  |             |  ok  |
[    0.000000]            recursive read-lock #2:             |  ok  |             |  ok  |
[    0.000000]             mixed read-write-lock:             |  ok  |             |  ok  |
[    0.000000]             mixed write-read-lock:             |  ok  |             |  ok  |
[    0.000000]   mixed read-lock/lock-write ABBA:             |FAILED|             |  ok  |
[    0.000000]    mixed read-lock/lock-read ABBA:             |  ok  |             |  ok  |
[    0.000000]  mixed write-lock/lock-write ABBA:             |  ok  |             |  ok  |
[    0.000000]   --------------------------------------------------------------------------

Is this OK?