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[209.132.180.67]) by mx.google.com with ESMTP id p11si6547443pfh.247.2018.03.16.21.09.15; Fri, 16 Mar 2018 21:09:30 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@codeaurora.org header.s=default header.b=HZhLFwtz; dkim=pass header.i=@codeaurora.org header.s=default header.b=eQZYODqx; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751453AbeCQEIX (ORCPT + 99 others); Sat, 17 Mar 2018 00:08:23 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:35520 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750746AbeCQEIU (ORCPT ); Sat, 17 Mar 2018 00:08:20 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 472BA60A50; Sat, 17 Mar 2018 04:08:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1521259700; bh=W/Mv9CubDEkoAI9MJq7P4pLYUk3SIUi0dB0/xetFLB8=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=HZhLFwtzmjR2fbYDZatU+NLDBATv/IEJQ4/lYihwIfNVLPUPGmJkPnk+tAp17a4DF MIToItOPhfwGEyZb3vMT9/6O/oAbSdcMoH7GTAAuA8suoU6yywjQBOMrfTVZnF8FaZ DFm35xfMbcEUY5zuRSYWYqPXzBqoDovJ+mvJufoU= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_SIGNED,T_DKIM_INVALID autolearn=no autolearn_force=no version=3.4.0 Received: from [192.168.1.125] (cpe-24-28-70-126.austin.res.rr.com [24.28.70.126]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: timur@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 2647360312; Sat, 17 Mar 2018 04:08:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1521259699; bh=W/Mv9CubDEkoAI9MJq7P4pLYUk3SIUi0dB0/xetFLB8=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=eQZYODqxa567x1Y2HxwZ/RvO8uTJYvRQTyDgCIoDH0WW558YrGN58CAyNfngCAD9U wN7wFrRslGLoR2zqVTNpr88KfeAS73LDrzxLsgPQW0+vqAz3zFmc2wJYdZO4m+pm0h 8epmlfNmsdOqnVV0obhISc2x3a8kZ1H0HLswe3vk= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 2647360312 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=timur@codeaurora.org Subject: Re: [PATCH v3 18/18] infiniband: cxgb4: Eliminate duplicate barriers on weakly-ordered archs To: Steve Wise , 'Jason Gunthorpe' , "linuxppc-dev@lists.ozlabs.org" Cc: 'Sinan Kaya' , netdev@vger.kernel.org, sulrich@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, 'Steve Wise' , 'Doug Ledford' , linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, 'Michael Werner' , 'Casey Leedom' References: <1521216991-28706-1-git-send-email-okaya@codeaurora.org> <1521216991-28706-19-git-send-email-okaya@codeaurora.org> <003601d3bd6a$783d6970$68b83c50$@opengridcomputing.com> <20180316221347.GA958@ziepe.ca> <004401d3bd7b$2a2e70b0$7e8b5210$@opengridcomputing.com> From: Timur Tabi Message-ID: Date: Fri, 16 Mar 2018 23:08:16 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <004401d3bd7b$2a2e70b0$7e8b5210$@opengridcomputing.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/16/18 6:04 PM, Steve Wise wrote: > Anybody understand why the PPC implementation of writeX_relaxed() isn't > relaxed? You probably should ask that on the linuxppc-dev@lists.ozlabs.org mailing list. I've always wondered why PowerPC has non-standard I/O accessors. -- Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.