Received: by 2002:a5d:925a:0:0:0:0:0 with SMTP id e26csp1092408iol; Thu, 9 Jun 2022 23:25:05 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwz5X3mNJx90jtwnhF08rFjZICFDdwydoBIuSvB7ay7eLUVWox7v2GX72t+1/yuQ25+hLLI X-Received: by 2002:a17:906:74cc:b0:712:381:9c5a with SMTP id z12-20020a17090674cc00b0071203819c5amr6620840ejl.466.1654842305023; Thu, 09 Jun 2022 23:25:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1654842305; cv=none; d=google.com; s=arc-20160816; b=ClCo9yloWeT9TXBoYr69NBf2Z91p41JYPHMjzIPXMFzl6Sx7Bplgs6T9fslrbXAXBS ZqSZ+b6efumHktEhvAWSJLxLPC5GxnEXWjkzepewdYfj43837XT+omfS/DLOEoBjBYwq S8yb+FMAxYA2fvHw9ppdgWuCCBv06KQq5ym74nvxZvdKUtf0pJMHOeWYCV88TvzJsUG3 ygn94QfBognMn60kixkEpmZJMxY8uj0lX6ry2QOTlRL1rSofkGPsJplQiqpHBSepBTn3 7Hl+U3fvYneR/d124lwV/mXTA+90hTj5YTen+TuSbTs2o8PLic0mGF552V1fqZXgJP70 IhAA== 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-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=t6trws9rbSWGIulx/H8Zgfb6eT7wwmQgf7MPrGUdTAQ=; b=gCOit38TjGMcMMT9SUN5t3X7CR2xqBBN3aU0IvruS4Ds1Gxl1LZlNRt5T7AuBJjSWC 3tfIJ2v/TusVDNgR4EyH2k9fxbhfv9SHu/nOkaRqUs9xlRCv5RYIc7gIJskcFKSKTzEw YYZBPYlgMySPLjp+Ew94Dv2HahQtDUyKs/kZNyM8G/4nUlOHN/DG9RAS/uv8M+Y3hNcQ 0MmjAnlfh9hlQ+JSRVficq9MSpNycgT8EfjpI6psy2K+5vx/ej///INL+4QWlGEBVHMD p/xRmXTWKPiIk4J3w3V6lZZvrxroGd441A5jmBBlfTX0p3BetO307OtLObv6mXXzolsA AerQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id eb9-20020a0564020d0900b0042ec47b0008si7541297edb.85.2022.06.09.23.24.28; Thu, 09 Jun 2022 23:25:05 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346385AbiFJGCC (ORCPT + 99 others); Fri, 10 Jun 2022 02:02:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243100AbiFJGCA (ORCPT ); Fri, 10 Jun 2022 02:02:00 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE63E1312A8 for ; Thu, 9 Jun 2022 23:01:59 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id 1216768AA6; Fri, 10 Jun 2022 08:01:56 +0200 (CEST) Date: Fri, 10 Jun 2022 08:01:54 +0200 From: Christoph Hellwig To: Robin Murphy Cc: will@kernel.org, joro@8bytes.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, hch@lst.de, john.garry@huawei.com Subject: Re: [PATCH v2] iommu/dma: Add config for PCI SAC address trick Message-ID: <20220610060154.GC24331@lst.de> References: <3f06994f9f370f9d35b2630ab75171ecd2065621.1654782107.git.robin.murphy@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3f06994f9f370f9d35b2630ab75171ecd2065621.1654782107.git.robin.murphy@arm.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham 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, Jun 09, 2022 at 04:12:10PM +0100, Robin Murphy wrote: > + If you have a modern PCI Express based system, this feature mostly just Overly long line here. Otherwise looks good: Reviewed-by: Christoph Hellwig