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[209.132.180.67]) by mx.google.com with ESMTP id m137si3233341pga.382.2018.04.12.20.35.29; Thu, 12 Apr 2018 20:35:45 -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=B7KYWMwK; dkim=pass header.i=@codeaurora.org header.s=default header.b=I1xKu5nV; 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 S1753363AbeDMCdr (ORCPT + 99 others); Thu, 12 Apr 2018 22:33:47 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:53244 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752697AbeDMCdp (ORCPT ); Thu, 12 Apr 2018 22:33:45 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 4761160264; Fri, 13 Apr 2018 02:33:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1523586825; bh=yMc94yOTyTZaR7HfgQw0jVgWt/BHm0QguJXaIUnZV4A=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=B7KYWMwKq5I+yGLglBXDk1P1YG7BEGcVSQYfXCPHsaQP3den4iLv33RAdZ8bDtjeM a969SCnGy81fIRjl9HDQDa1flri+CJSriGxVgezj5ZcIhe9c1JKiz1f9RW8VTptMtU xlA81QO7wUtowtLJwIAgxrV+5CcfFGdgDBn9VRkw= 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 [192.168.0.105] (cpe-174-109-247-98.nc.res.rr.com [174.109.247.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: okaya@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7D08960264; Fri, 13 Apr 2018 02:33:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1523586824; bh=yMc94yOTyTZaR7HfgQw0jVgWt/BHm0QguJXaIUnZV4A=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=I1xKu5nVAdXNP6rfuHZrMYyYyHalB3xlzJcW7Q2R6sLaDoPk6uY8tUiG6zX4mPMqE CQxlegePcq6oHWsHg1ZwPRKgQkCbv0i8imnfgd69d8YUR9rzK8EDg1FPFi58mntFIV CwsJ/KJLvppFCdnYom3u7Fu4QWgjtb0fiiAMnMRU= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7D08960264 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=okaya@codeaurora.org Subject: Re: [PATCH v4 2/2] MIPS: io: add a barrier after register read in readX() To: linux-mips@linux-mips.org, arnd@arndb.de, timur@codeaurora.org, sulrich@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Ralf Baechle , James Hogan , Paul Burton , linux-kernel@vger.kernel.org References: <1523586646-19630-1-git-send-email-okaya@codeaurora.org> <1523586646-19630-2-git-send-email-okaya@codeaurora.org> From: Sinan Kaya Message-ID: Date: Thu, 12 Apr 2018 22:33:42 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <1523586646-19630-2-git-send-email-okaya@codeaurora.org> Content-Type: text/plain; charset=utf-8 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 4/12/2018 10:30 PM, Sinan Kaya wrote: > + /* prevent prefetching of coherent DMA dma prematurely */ \ I tried to write DMA data but my keyboard is not cooperating. I'll hold onto posting another version until I hear back from you for wmb(). -- Sinan Kaya 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.