Received: by 2002:a6b:fb09:0:0:0:0:0 with SMTP id h9csp4828982iog; Wed, 22 Jun 2022 06:41:45 -0700 (PDT) X-Google-Smtp-Source: AGRyM1sYbrEmmgAGHxPE1mIVidBnY/wZFxmEfaM7V0Y8V96qJIl7BV3SKQfc0vIgewU0j0SzPAhb X-Received: by 2002:a17:903:41c7:b0:16a:2dcf:c4a0 with SMTP id u7-20020a17090341c700b0016a2dcfc4a0mr12258731ple.83.1655905305483; Wed, 22 Jun 2022 06:41:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1655905305; cv=none; d=google.com; s=arc-20160816; b=GuxL24UJ6SA7WnRXvWg/2z0DZjaHV3ZqEYtYQgnCkmDHTLaGDRhkb9mGvBJejj5BJp ZYeoUYHjRa1/Kb8E1kKTWplZU0tL/9QpQDHJsEi4DXAk49UMp3xrvv4y8to+DYlUqIB+ I12XQnb2BCwpPZChNeYNTT++lH6mRM7ZJP47Dwqobf0ORR+gJRGB+hKLjadansBae1kU Ny/0vXpV8zD0E47m/HsutJYrNcMiXTM8PCYXLpJ6PpgnRbkR15EFmuqZkje1qQc/Sur7 OcZ0zGLCWqyN4go/4cKvlIqRTkEP9xsEoznxKZB2y8899/mKWxuaLkxm+vqEUBJrGelV RHcQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=I8ncwtAywXYrNKmHtJnTpF7dSZ/XNyxi24PMl31FbdE=; b=BWtwdJhF0A+GVvfb3orEX9G8duLwW2uZmaKl+7oUFkklxcJfVsX4ldT1mfYje1nS7g 2LlBiRKtsKvc3NZ5eqAdr1c0y3DAKTUY9MdptK6l9ojjqMtDP/5cyuvhf5mL7jaaiaWL /lyq09v89YCUewPvm4z2jyUhh9elJWyr0dCl20k3JnfhkPkb3P9jAPVcWubIoC+Q7Ssy yEy4t8Djqy/292Lli3Ap6xiQSeyobKsST/CfhqZxUX2ZKLxxI3hM5qEgCPAVs/Ng0nOk UoRj6cGgbZsjyg3cjBYQiw3Se5nRyc1Zd0tPe5oT3NuiTT6DQR7i3c62RIydVYkyCb+F SBQQ== 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id jc1-20020a17090325c100b0016a3f9e1af5si4239337plb.470.2022.06.22.06.41.33; Wed, 22 Jun 2022 06:41:45 -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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235389AbiFVM7Y (ORCPT + 99 others); Wed, 22 Jun 2022 08:59:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54320 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229578AbiFVM7X (ORCPT ); Wed, 22 Jun 2022 08:59:23 -0400 Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4D7E2F386 for ; Wed, 22 Jun 2022 05:59:21 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id 4140D2D0; Wed, 22 Jun 2022 14:59:20 +0200 (CEST) Date: Wed, 22 Jun 2022 14:59:19 +0200 From: Joerg Roedel To: Robin Murphy Cc: will@kernel.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: 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> X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_PASS, SPF_PASS,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: > firmware bindings by now. Let's be brave and default it to off in the I don't have an overall good feeling about this, but as you said, let's be brave. This is applied now to the core branch. If it causes too much trouble we can still revert it (and re-revert it later, ...) Thanks, Joerg