Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp51589imu; Wed, 19 Dec 2018 13:28:31 -0800 (PST) X-Google-Smtp-Source: AFSGD/XqJ83I8cc9s/UbHKfWvPRX2l6ZewyclQFGnDjlgljSjdrWd8JqEJNE+CUuuyDL50Pi400L X-Received: by 2002:a63:ce08:: with SMTP id y8mr20567784pgf.388.1545254911328; Wed, 19 Dec 2018 13:28:31 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1545254911; cv=none; d=google.com; s=arc-20160816; b=TSLFhse1HvDPivU5JFETpMhinI8B09taBF2G+8dgbNWDsOSkdJSlc1URuKTTSJekA3 /SIs0yFHB4xBabE5+cRuihpZkYDAU+IL2x5U6qxT9jk5LpyIu55QYXn5q+Cr7VwXlwlr aV+cGLAiWLQ3QSyPZnUC6X/N2aqmo3aAkzGl9t30t77tptY9fg7iJyQRRRzSIOfsTVK6 UNSTL+khDuPN813l6VmSMl0uZrcJcsIBW1eymHwHi9BFpG8CBPgap+UcwfQ8UHVKnDfm 4ZBRjfFF0XRgEH4bbCok1jgG0n7n71sslW71oiFc+yLQFu2pVWEx40j9GEUP8OE1rD+l RgwQ== 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=dyj/ZnhroRFOprMYLQSvbv7+z8yHlBn8UY4LYVwjZlU=; b=MO83D7SFPvfpC8vQvWACyRrxoPRTzfuOiAfUILSSbVd2ookmGSTvvdFfrj/lqppWn9 IQ+xV+1liqig5CLjEdIdzrupOENI5+fPTprgk5dNRtVMo6kkB/9xlhinbzsrYMacOnDa Rs5SesDrMynuzXqgenY4NuRJchdxluUz0C7NkRFam3RavmH5le+7jQ7kFZ71HNpj/cH8 RQxzegtQhZkEk8/9M8P5uesMr0XFJG0eyO3R1m58BJweXTcDucQe/TPfsobV7JU0u/as XIDWX4QTytnxESPemrzbouCiuAyUO5x5k0/Otr8/dE3ofpLOr2khs5rjO/i1KGQLk5II PR4w== 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 k189si16338720pgd.589.2018.12.19.13.28.15; Wed, 19 Dec 2018 13:28:31 -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 S1730236AbeLSQ7m (ORCPT + 99 others); Wed, 19 Dec 2018 11:59:42 -0500 Received: from verein.lst.de ([213.95.11.211]:48161 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727310AbeLSQ7l (ORCPT ); Wed, 19 Dec 2018 11:59:41 -0500 Received: by newverein.lst.de (Postfix, from userid 2407) id 9C8FA68AFE; Wed, 19 Dec 2018 17:59:39 +0100 (CET) Date: Wed, 19 Dec 2018 17:59:39 +0100 From: Christoph Hellwig To: iommu@lists.linux-foundation.org Cc: linux-s390@vger.kernel.org, Michal Simek , linux-c6x-dev@linux-c6x.org, linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org, Ashutosh Dixit , linux-m68k@lists.linux-m68k.org, openrisc@lists.librecores.org, linux-alpha@vger.kernel.org, sparclinux@vger.kernel.org, linux-snps-arc@lists.infradead.org Subject: Re: ensure dma_alloc_coherent always returns zeroed memory Message-ID: <20181219165939.GA26087@lst.de> References: <20181214082515.14835-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181214082515.14835-1-hch@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 FYI, I've picked this up for dma-mapping for-next now.