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=-2.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 BCA01C433DF for ; Thu, 2 Jul 2020 00:31:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E91C207E8 for ; Thu, 2 Jul 2020 00:31:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ozlabs-ru.20150623.gappssmtp.com header.i=@ozlabs-ru.20150623.gappssmtp.com header.b="1RvZJv+5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727859AbgGBAbo (ORCPT ); Wed, 1 Jul 2020 20:31:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59452 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726093AbgGBAbn (ORCPT ); Wed, 1 Jul 2020 20:31:43 -0400 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F16BCC08C5C1 for ; Wed, 1 Jul 2020 17:31:42 -0700 (PDT) Received: by mail-pf1-x441.google.com with SMTP id t11so6865945pfq.11 for ; Wed, 01 Jul 2020 17:31:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ozlabs-ru.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:autocrypt:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=imgBCyBejGoGokxw6w3bqZQVZ6SYiso6ilVghr7NBW8=; b=1RvZJv+5XKpiMtSGyXQ2lBh6uGGnV2ug2rimby/UdQT/tbun8NCbHvQLN44aDOFX12 pvhKrZ8yS+pPbWbWG3s19ehldmhKwyGoVyarlBCvG1CBbxdP/xaT4ORSNEjsTpUVTyDJ PlZ98RUogfhDyqaXkG1NHZWADjCgi6CccuZISsOtbJfksrdxbuJmTcfPMwDUON/sgLmL oKEF6l2fD63CT8UjH/30crbwislXrDE5JhFVGAecguEIhZA5sSrRcfovKpMPFaJzEWjR 6X7RMbS4jsCqGvG/qXCiSMvieY9nFBOSWeg/SZSYH7ZrdcvDpmyA3hyajGG2byKMFn30 ze/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=imgBCyBejGoGokxw6w3bqZQVZ6SYiso6ilVghr7NBW8=; b=Mzv+5aPabKx26ai4oslr2X5oYR8LreKyVkXRrezb64a0+cqKjuCVINTgFFs6qgfhOl 0Elgs5zDTJXM66i9fnK2urZSNocytqSWHp3z5DGKl7LFtxQUKtfMpngjqwzq7u8eN91O trM9W6+GVWmDBNgsDguGpioyvSo0jmg4kwzbx+0025UuVsjvaLNb6+Q/5nZKScdjuvLz k8z1LRGLVLE9JZZy4/fDl16ape+o/s77iHR64K0V4mtIAphJOWJhTXhKVQt2qQ4rwVbr fBW8IbIyWrJ8QjvY1UHc2tSUe07bOaYvR7L4MB8wkVQLfLX1RSgrgP17EVKHc8+LFUgg UqKw== X-Gm-Message-State: AOAM531mTcwIN/o4PtnKHc/An/IhCNmTj1PPXFXQfEqzlLLaQcouJEUC lJsf9ZzCgf0+fPtshQplMYE1ejaAvD6kIA== X-Google-Smtp-Source: ABdhPJzgtW12lceengSJYLuHh8zXj9OKDIP4GJbr7Sjgvds7xFDiQDVZhHBDDsl3RkzcWZit1/zIZg== X-Received: by 2002:a63:525a:: with SMTP id s26mr21669820pgl.155.1593649902118; Wed, 01 Jul 2020 17:31:42 -0700 (PDT) Received: from [192.168.10.94] (124-171-83-152.dyn.iinet.net.au. [124.171.83.152]) by smtp.gmail.com with ESMTPSA id x22sm7140475pfr.11.2020.07.01.17.31.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Jul 2020 17:31:41 -0700 (PDT) Subject: Re: [PATCH v2 5/6] powerpc/pseries/iommu: Make use of DDW even if it does not map the partition To: Leonardo Bras , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Thiago Jung Bauermann , Ram Pai Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org References: <20200624062411.367796-1-leobras.c@gmail.com> <20200624062411.367796-6-leobras.c@gmail.com> <18df09c0-ef83-a0d8-1143-1cb4d50bf6b7@ozlabs.ru> <0e8bcc38614ec80c7816c07dd4dc70854c2b901d.camel@gmail.com> <0c3de45dfb612745aa2ee4126b3935303d8e8704.camel@gmail.com> From: Alexey Kardashevskiy Autocrypt: addr=aik@ozlabs.ru; keydata= mQINBE+rT0sBEADFEI2UtPRsLLvnRf+tI9nA8T91+jDK3NLkqV+2DKHkTGPP5qzDZpRSH6mD EePO1JqpVuIow/wGud9xaPA5uvuVgRS1q7RU8otD+7VLDFzPRiRE4Jfr2CW89Ox6BF+q5ZPV 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Zd44XWqUu7FzVOYaSgIvTP0hNrBYm/E6M7yrLbs3JY74fGzPWGRbBUHTZXQEqQnZglXaVB5V ZhSFtHopZnBSCUSNDbB+QGy4B/E++Bb02IBTGl/JxmOwG+kZUnymsPvTtnNIeTLHxN/H/ae0 c7E5M+/NpslPCmYnDjs5qg0/3ihh6XuOGggZQOqrYPC3PnsNs3NxirwOkVPQgO6mXxpuifvJ DG9EMkK8IBXnLulqVk54kf7fE0jT/d8RTtJIA92GzsgdK2rpT1MBKKVffjRFGwN7nQVOzi4T XrB5p+6ML7Bd84xOEGsj/vdaXmz1esuH7BOZAGEZfLRCHJ0GVCSssg== Message-ID: <2c5dc8d2-f379-5a5f-844a-f4eea233f265@ozlabs.ru> Date: Thu, 2 Jul 2020 10:31:36 +1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <0c3de45dfb612745aa2ee4126b3935303d8e8704.camel@gmail.com> 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 02/07/2020 09:48, Leonardo Bras wrote: > On Wed, 2020-07-01 at 16:57 -0300, Leonardo Bras wrote: >>> It is not necessarily "direct" anymore as the name suggests, you may >>> want to change that. DMA64_PROPNAME, may be. Thanks, >>> >> >> Yeah, you are right. >> I will change this for next version, also changing the string name to >> reflect this. >> >> -#define DIRECT64_PROPNAME "linux,direct64-ddr-window-info" >> +#define DMA64_PROPNAME "linux,dma64-ddr-window-info" >> >> Is that ok? >> >> Thank you for helping! > > In fact, there is a lot of places in this file where it's called direct > window. Should I replace everything? > Should it be in a separated patch? If it looks simple and you write a nice commit log explaining all that and why you are not reusing the existing ibm,dma-window property (to provide a clue what "reset" will reset to? is there any other reason?) for that - sure, do it :) -- Alexey