linux-kernel - Re: [PATCH v5 3/5] bnx2x: Eliminate duplicate barriers on weakly-ordered archs

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Message-Id: <20180323.131656.2151525994998240049.davem@davemloft.net>
Date:   Fri, 23 Mar 2018 13:16:56 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     okaya@...eaurora.org
Cc:     netdev@...r.kernel.org, timur@...eaurora.org,
        sulrich@...eaurora.org, linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, ariel.elior@...ium.com,
        everest-linux-l2@...ium.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 3/5] bnx2x: Eliminate duplicate barriers on
 weakly-ordered archs

From: Sinan Kaya <okaya@...eaurora.org>
Date: Fri, 23 Mar 2018 13:13:46 -0400

> We have decided to drop a similar patch on Infiniband due to incorrect
> usage of barrier(). If you feel strongly about it, I can remove the
> DOORBELL change.

Either remove the DOORBELL change or properly adjust the barrier() to
be a wmb().

Be sure to mention this in the commit message, explicitly.

Thank you.