Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp78075imu; Thu, 20 Dec 2018 17:19:54 -0800 (PST) X-Google-Smtp-Source: ALg8bN63yXrKLHVJcJh2QickjXOcKukYargacS1aj8+Xg2OqnQhJUuUAgMi2QszL8Jqg2EHI1hjV X-Received: by 2002:a63:a41:: with SMTP id z1mr446825pgk.117.1545355194299; Thu, 20 Dec 2018 17:19:54 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1545355194; cv=none; d=google.com; s=arc-20160816; b=oiPg5sMg9C5g6SkTZTqTIXFnBjy/4ETYEZN8I9R7QjQ04+9bSugXjcCPkr7V/Lpwjn Zxhy9rYzriVcs7T5QqhbjP4LbTlo4oGWpYMLz68mYno5NfvgQVDTVHokut83e61juYOs GBG1qKF7Ak5P5juIE2FnOvSz+zYiLFvMTs6Bg9CY4o1AiLxjGlyKZhOTvSPi8NJj1ENO MFjR2x2YF9qlln5W9eXEaX+YUtDqn9DgOJ2Bho6K4onQxl1vh/MUHq9WYZb0h34wJ4wN 8PaWrq18PdCrk1SG4qkpHlj84E+YRJVlkMxq84x0MDwwesKwjDIDZkKSk5tZOnBFII2g wkGA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=xepu/9bb1oNo7ojTjzYAh0RU8k2Ja0Dy5BEp1/NNx6k=; b=Qi2KCrOsTAktY1YIes56nLUXucP6Zg08ia0W7kwVj5TWCuQAn7K4LV3a0b+kYQgkCJ Tj+DS09uDn4UP3ctzPoBK4nUf/3yfVhNLr6isUpFrdhXgSaIpcBaT/ATAhH09v34zN+m n+5IQTVsV0iFK6UhARbMtF1Dq8iLyCGWyvmkR/pQvO01L+n5XrI7F5mW18AGKZILWf1W VCgg94vXjHUOb9VgA/7JFMSjwT6O0AFnusxuWhVFaw94Au94TAz0rv6oN8C4oagolPQv ++qUaOzffZ6kronhVuN+CrEDDTLdPprhuVgyoE6HGhWQevE8p1p9ZG0S0erZSwdnGDlI ZkTg== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v19si20813570pfa.80.2018.12.20.17.19.38; Thu, 20 Dec 2018 17:19:54 -0800 (PST) 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; 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 S2387977AbeLTRhU (ORCPT + 99 others); Thu, 20 Dec 2018 12:37:20 -0500 Received: from verein.lst.de ([213.95.11.211]:54391 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387591AbeLTRhT (ORCPT ); Thu, 20 Dec 2018 12:37:19 -0500 Received: by newverein.lst.de (Postfix, from userid 2407) id 5076F68AA6; Thu, 20 Dec 2018 18:37:17 +0100 (CET) Date: Thu, 20 Dec 2018 18:37:17 +0100 From: "hch@lst.de" To: Eugeniy Paltsev Cc: "hch@lst.de" , "linux-kernel@vger.kernel.org" , "linux-s390@vger.kernel.org" , "linux-xtensa@linux-xtensa.org" , "linux-m68k@lists.linux-m68k.org" , "vineet.gupta1@synopsys.com" , "linux-alpha@vger.kernel.org" , "linux-snps-arc@lists.infradead.org" , "iommu@lists.linux-foundation.org" , "openrisc@lists.librecores.org" , "ashutosh.dixit@intel.com" , "linux-parisc@vger.kernel.org" , "linux-c6x-dev@linux-c6x.org" , "monstr@monstr.eu" , "sparclinux@vger.kernel.org" Subject: Re: ensure dma_alloc_coherent always returns zeroed memory Message-ID: <20181220173717.GA20939@lst.de> References: <20181214082515.14835-1-hch@lst.de> <20181219165939.GA26087@lst.de> <1545316369.14089.20.camel@synopsys.com> <20181220143415.GA17726@lst.de> <1545316759.14089.22.camel@synopsys.com> <20181220144604.GA18034@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181220144604.GA18034@lst.de> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Btw, can you try wit the very latests dma-mapping-for-next tree which has a new fix from Thierry Reding that might be related.