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Date: Thu, 14 Dec 2017 15:58:00 +1100
From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: kernel test robot <fengguang.wu@intel.com>,
        Christoph Hellwig <hch@lst.de>, LKP <lkp@01.org>,
        linux-kernel@vger.kernel.org,
        Linux Memory Management List <linux-mm@kvack.org>, wfg@linux.intel.com
Subject: Re: d1fc031747 ("sched/wait: assert the wait_queue_head lock is
 .."):  EIP: __wake_up_common
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Hi Andrew,

On Wed, 13 Dec 2017 17:03:00 -0800 Andrew Morton <akpm@linux-foundation.org> wrote:
>
> I'm probably sitting on an older version.  I've dropped
> 
> epoll: use the waitqueue lock to protect ep->wq
> sched/wait: assert the wait_queue_head lock is held in __wake_up_common

Dropped from linux-next as well.

-- 
Cheers,
Stephen Rothwell