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Date: Thu, 25 Feb 2016 13:36:41 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Petr Mladek <pmladek@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Oleg Nesterov <oleg@redhat.com>,
        Tejun Heo <tj@kernel.org>, Ingo Molnar <mingo@redhat.com>,
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        Vlastimil Babka <vbabka@suse.cz>, linux-api@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v5 05/20] kthread: Add destroy_kthread_worker()
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On Mon, Feb 22, 2016 at 03:56:55PM +0100, Petr Mladek wrote:
> Also note that drain() correctly handles self-queuing works in compare
> with flush().

Nothing seems to prevent adding more work after drain() observes
list_empty().