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[174.3.196.123]) by smtp.gmail.com with ESMTPSA id d48sm4077370wrd.12.2018.03.20.09.29.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 20 Mar 2018 09:29:36 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.86_2) (envelope-from ) id 1eyK8j-0007EJ-20; Tue, 20 Mar 2018 10:29:33 -0600 Date: Tue, 20 Mar 2018 10:29:33 -0600 From: Jason Gunthorpe To: Sinan Kaya Cc: linux-rdma@vger.kernel.org, timur@codeaurora.org, sulrich@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Faisal Latif , Doug Ledford , linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 5/6] IB/nes: Eliminate duplicate barriers on weakly-ordered archs Message-ID: <20180320162933.GO19744@ziepe.ca> References: <1521514068-8856-1-git-send-email-okaya@codeaurora.org> <1521514068-8856-6-git-send-email-okaya@codeaurora.org> <20180320145413.GH19744@ziepe.ca> <3b96019a-2b3b-374a-453e-0553fb04c0a7@codeaurora.org> <20180320160151.GM19744@ziepe.ca> <77565861-7697-699f-c876-adf36db9ab5f@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <77565861-7697-699f-c876-adf36db9ab5f@codeaurora.org> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 20, 2018 at 11:08:59AM -0500, Sinan Kaya wrote: > > In this case, I strongly suspect nes really intended to say wmb() > > Should I change barrier() to wmb() or leave it alone? I have no idea if > nes is actively being maintained or if it is EOL. It is dead, and the HW doesn't work on 64 bit machines. Just ignore it is my advice. Jason