From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 90BF0C31E50 for ; Mon, 17 Jun 2019 13:39:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F8752084B for ; Mon, 17 Jun 2019 13:39:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="g2ulbqfp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727530AbfFQNjS (ORCPT ); Mon, 17 Jun 2019 09:39:18 -0400 Received: from mail-pl1-f176.google.com ([209.85.214.176]:35384 "EHLO mail-pl1-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726642AbfFQNjR (ORCPT ); Mon, 17 Jun 2019 09:39:17 -0400 Received: by mail-pl1-f176.google.com with SMTP id p1so4115756plo.2 for ; Mon, 17 Jun 2019 06:39:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:subject:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=fgHUs9kjH3FZpHlrbFs05iqP48Eq3TNSHKTRIJZ7Has=; b=g2ulbqfpyQKBQfPRgzwRDDicgkFjWeJHrFCNwqD0gtlhthmI8XuZ0LWywtLBFl2dvt HEvGFpC2CFd0tFxU4G8vsNEIIjRaI1DJk+d7nXm7GfxStmjfCqDynQl0nNwJADBKsi9o Ol6GVy9rIS5ycHPLV4vvq1sGeFyhFvF2iXLJmHF9YR8NV3prUSSLrkXw9j1rKI3yUvBY uVi+vL6Cf+09n9fHO5Wp+bQi8p0jvkmX5wy9MdqBF3917KJbAQ0RQglGjnrnpzTgWDoT 1GoKq9GKyROXeg+kbth/yqhFjbRGbWFka32ffWjHJbsNRjaLxAd5Lxfz+2mbFocyviGn IpQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:subject:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=fgHUs9kjH3FZpHlrbFs05iqP48Eq3TNSHKTRIJZ7Has=; b=PT7t106mM34Chg5SWjP4jo5ZZtXVo4sPFPFAtnvxSlY49SxCQCXYTxuztnq6dQ6JbT YhdnSuf3pEfG9Z4JCQ/Cz5xyYLHfH7r8M/oiyeCOM26GkKpF5rllvJHHMvPp+uFF+KFO iGHoOoRiMz1BVhHGC70QkT8xk8Vm/LHvJw3tyum3oa1LxREUeDb52pC5IlSEHk2bQOTT Uxp1/Y+pUi0DNjQpYSszaUPKqpa8LHIZENSMpX5gjeJ40rOGjvBPornRAP/BnWl45D2w GnMeQ11zZFHxlroxVUAwXuDkTHNQC2D8LXT5kzzrkdGDJbdNkYpnN+L2Qr0qo/PTTrc6 BPQQ== X-Gm-Message-State: APjAAAWTKgcA4R+7/gxoxYUaE9QvMzKY/vPw1s+XehTXEIn9jCbsHyo7 LqTDKDQQ+Sr2dP/YP8iVwpa7Mp4V X-Google-Smtp-Source: APXvYqw0Qt/GtN5XRxtiYmkNSh7xBuXb4u0JWUto8tta7KkHxAdkPbw3aOtlUGu/l2ip/WyO+vL7wg== X-Received: by 2002:a17:902:7618:: with SMTP id k24mr44797137pll.208.1560778756883; Mon, 17 Jun 2019 06:39:16 -0700 (PDT) Received: from [10.44.0.192] ([103.48.210.53]) by smtp.gmail.com with ESMTPSA id j13sm10895919pgh.44.2019.06.17.06.39.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Jun 2019 06:39:16 -0700 (PDT) From: Greg Ungerer X-Google-Original-From: Greg Ungerer Subject: Re: [RFC] switch m68k to use the generic remapping DMA allocator To: Christoph Hellwig , Geert Uytterhoeven Cc: linux-m68k@lists.linux-m68k.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org References: <20190614102126.8402-1-hch@lst.de> Message-ID: Date: Mon, 17 Jun 2019 23:39:11 +1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <20190614102126.8402-1-hch@lst.de> 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 Hi Christoph, On 14/6/19 8:21 pm, Christoph Hellwig wrote: > Hi Geert and Greg, > > can you take a look at the (untested) patches below? They convert m68k > to use the generic remapping DMA allocator, which is also used by > arm64 and csky. No impact to ColdFire targets, so I'll have to defer to Geert for his thoughts on the legacy m68k impact. Regards Greg