Re: [PATCH 2/2] vhost: remove unnecessary smp_mb from vhost_work_queue

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From: Peng Tao <bergwolf@xxxxxxxxx>
Date: Wed,  7 Dec 2016 17:52:19 +0800

> test_and_set_bit() already implies a memory barrier.
> 
> Signed-off-by: Peng Tao <bergwolf@xxxxxxxxx>

Applied.
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