Received: by 2002:a05:6a10:6d10:0:0:0:0 with SMTP id gq16csp807946pxb; Fri, 22 Apr 2022 11:34:45 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxRUdP1Ccm/eBSxep9ZXKodqqUc/GxxbsQq1czgdqAL6qLoFYrzf3REfB/CGX8u3HhLpiPf X-Received: by 2002:a63:79ce:0:b0:3a9:efa0:17d with SMTP id u197-20020a6379ce000000b003a9efa0017dmr5094420pgc.170.1650652485662; Fri, 22 Apr 2022 11:34:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1650652485; cv=none; d=google.com; s=arc-20160816; b=Gvq9+g9/uX1NWscp+KtIG3coCeZJj3+rN9djrGUubLBOxbwvB1ptZMGsF0RLJDk22a KA+G21PokGoLfWwSrSa4++8LxhpRTakQ3OuamUyMY8t64SIq7q5HyEZ/7yxo2hTFDyw0 DHfIdx7i5E/MsRGoocCDMZq16KdlrBGV5DfMbkpnZdtmcWGnNA5dFLxipiHntMfPI6GH PZIBQEDb0q+1miucKcubmXiJnUj9wo+Z1ZPiTfGyVJ+i8O/zO/eTieijycb4lzfNAeYc XaeEqfQ9UOeewtXR6q4CO5/86h/+DMg5LCZ+4av7PlgTyBk6Rm98lBbvg1nyW3K49Oxd B0ig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-transfer-encoding :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=YIwAuhXPLRRxXzxCcaOVmq9QMo1g67hITgRDcClT6lw=; b=geyicThAYCHtBFWjeAPZz38FgsMJ64RUO5WIffenrVlmCpsrRWIiDGKOKOxPkRnFTU IO/ntvdFHuU1xGCKMGa97rdqzHUXfUpoElH8gOuNBSnQCJh2v8K1EI06zfNpTsiFVCvj ZRm5wd3vsvey6Qn8rq5qdyediLA4o0pu24+16GLeSAhC/L72ESJigXn4xuHcjVrIJAB4 BBB647pCKbw62EFsoT5RWthZZaBC4DiCmVLXSkfG6KQYBJDsgCsDxhX5eH2akyaH+LHr lz4bwJRBvX1IZbrNpeSifuIT9eXdBT8WMMdq0kdeuBMRCuIAe4XlmNL5ACl1CaeOnFhW joEg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net. [2620:137:e000::1:18]) by mx.google.com with ESMTPS id c15-20020a170903234f00b001582e0ac939si9812827plh.450.2022.04.22.11.34.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Apr 2022 11:34:45 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A9BE8E49F9; Fri, 22 Apr 2022 11:04:20 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1388301AbiDUOP5 (ORCPT + 99 others); Thu, 21 Apr 2022 10:15:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233234AbiDUOPz (ORCPT ); Thu, 21 Apr 2022 10:15:55 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2BBD3A5EA for ; Thu, 21 Apr 2022 07:13:05 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id EC0C068C7B; Thu, 21 Apr 2022 16:13:02 +0200 (CEST) Date: Thu, 21 Apr 2022 16:13:00 +0200 From: Christoph Hellwig To: Robin Murphy Cc: hch@lst.de, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com, arnd@kernel.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/3] More ARM DMA ops cleanup Message-ID: <20220421141300.GC20492@lst.de> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RDNS_NONE, SPF_HELO_NONE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 21, 2022 at 12:36:56PM +0100, Robin Murphy wrote: > Hi all, > > Thanks to Christoph's latest series, I'm reminded that, if we're going > to give the ARM DMA ops some cleanup this cycle, it's as good a time as > any to dust off these old patches and add them on top as well. I've > based these on the arm-dma-direct branch which I assume matches the > patches posted at [1]. All these do look sensible to me. But weren't you working on replacing the ARM iommu dma_ops with dma-Ń–ommu anyway?