Received: by 2002:ac0:a594:0:0:0:0:0 with SMTP id m20-v6csp5341261imm; Fri, 18 May 2018 23:34:41 -0700 (PDT) X-Google-Smtp-Source: AB8JxZrXGjSB7q2rU/uPnh8vjvTgmkmLZZTT6A19pWcvnDTzoy16ilecd3pkFovxMkrlg51sSGW7 X-Received: by 2002:a62:ec18:: with SMTP id k24-v6mr12328595pfh.204.1526711681185; Fri, 18 May 2018 23:34:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1526711681; cv=none; d=google.com; s=arc-20160816; b=NGB1t85cyNkDZoq6+txp5Mf1oS1BI9f7WNIB0jCY/NVT3fn8+z2aSKsFjSxuJ22mbF oQB7sUCm+9tA0PJQcpWbrzAl9gckaJwxZ498Q4cJIRezAO9jEyPrG3MPdOGl6QwQj174 mkgLKmcbVF07nbvUSqMN9kYnPOAf3B1Xu5o3SwAscvbFo6QtCUL5EgqgViLQhBHH07iQ qZH4/oBctZGv3YIZt0cQ+RgOM10Dv023rVipx33Wowrwt6ploFRvqJwk5sgdri9SDMxn xvJBb5WgPWuCRsHB83vO9f6v+IiO358V4pu2cbywqYIX/weyBSrK7TLEhbRAIMbGx7Zn bq+A== 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:arc-authentication-results; bh=dPOT8i5XnoxjZ5Tg6b3BkR50HU5Xcf20YdL20KCJTio=; b=TkZ7AnOZVm0drwdvcToBXir9n8n6f0ryLwVYGTrouu14lFO/O7I4vcmdge/gebELOQ mQFRo/MYAzdA0LSRiGxrtj9FQxrAsYJ06S7IL116x4bi/QjUBgUnzM5h/2755Lxj4Fjy GvLOPy2gYVRYZLBV4U/2vRWgfC2HG/v9e1y6s3yCb1YVo56dENyHGqWDJagLRwarZKD8 ell1kN4MvUIui5Fc+HQoywQwjZd3E77AlXnb3fWO8cw4hbAgF8IhsP3XAhHnmZ6W+0ak vCJIyAwAXPrm/z8cm+yh+Pr10zJcQ2OpacwNST7n0AZYgActzrYG3qlqDhXuNJDO0kqT I91g== 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 k85-v6si8779051pfb.321.2018.05.18.23.34.24; Fri, 18 May 2018 23:34:41 -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; 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 S1751034AbeESGeM (ORCPT + 99 others); Sat, 19 May 2018 02:34:12 -0400 Received: from verein.lst.de ([213.95.11.211]:34395 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750780AbeESGeJ (ORCPT ); Sat, 19 May 2018 02:34:09 -0400 Received: by newverein.lst.de (Postfix, from userid 2407) id A0B777F016; Sat, 19 May 2018 08:38:57 +0200 (CEST) Date: Sat, 19 May 2018 08:38:57 +0200 From: "hch@lst.de" To: Helge Deller Cc: Alexey Brodkin , "hch@lst.de" , "deanbo422@gmail.com" , "linux-sh@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "nios2-dev@lists.rocketboards.org" , "linux-m68k@lists.linux-m68k.org" , "linux-alpha@vger.kernel.org" , "linux-hexagon@vger.kernel.org" , "linux-snps-arc@lists.infradead.org" , "iommu@lists.linux-foundation.org" , "green.hu@gmail.com" , "openrisc@lists.librecores.org" , "linux-arm-kernel@lists.infradead.org" , "monstr@monstr.eu" , "linux-parisc@vger.kernel.org" , "linux-c6x-dev@linux-c6x.org" , "linux-arch@vger.kernel.org" , "sparclinux@vger.kernel.org" , James Bottomley Subject: Re: [PATCH 02/20] dma-mapping: provide a generic dma-noncoherent implementation Message-ID: <20180519063857.GA18076@lst.de> References: <20180511075945.16548-1-hch@lst.de> <20180511075945.16548-3-hch@lst.de> <0c5d27e9-2799-eb38-8b09-47a04c48b5c7@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0c5d27e9-2799-eb38-8b09-47a04c48b5c7@gmx.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 On Fri, May 18, 2018 at 10:05:51PM +0200, Helge Deller wrote: > This patch seems to fix the dma issues I faced on my 32bit B160L parisc box. > > So it leaves only one open issue on parisc: > Now every 32 bit parisc system is unnecessarily non-coherent. I diagree with those comments, let me resend the refactored patch to make it more clear.