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Subject: Re: [PATCH] xen/netfront: remove unnecessary wmb
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From: Jacob Wen <jian.w.wen@oracle.com>
Date: Fri,  9 Nov 2018 14:53:59 +0800

> RING_PUSH_REQUESTS_AND_CHECK_NOTIFY is already able to make sure backend sees
> requests before req_prod is updated.
> 
> Signed-off-by: Jacob Wen <jian.w.wen@oracle.com>

Applied to net-next.