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[2620:137:e000::1:20]) by mx.google.com with ESMTP id 4-20020a508e04000000b00418d58650eesi23811329edw.282.2022.03.30.18.10.42; Wed, 30 Mar 2022 18:11:08 -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; dkim=pass header.i=@intel.com header.s=Intel header.b=XRwHNfOc; 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=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346730AbiC3OWs (ORCPT + 99 others); Wed, 30 Mar 2022 10:22:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53572 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346726AbiC3OWr (ORCPT ); Wed, 30 Mar 2022 10:22:47 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB1A5DFD72; Wed, 30 Mar 2022 07:21:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648650062; x=1680186062; h=message-id:date:mime-version:to:references:from:subject: in-reply-to:content-transfer-encoding; bh=FiqZAxLNLSA3q+0iMDyStSVs9TexPD0XlwioqNQSJ74=; b=XRwHNfOcj1wkt79zUBZ06TAdzT8+RKN4d+NqJDK7I7tPKG6H58VJZgeY EDOlPEKVN2hlrq01uQ44xENVwMusWuww8Z82+SH0MdMZ0HjGxQaSqh73U vF7fqLLxAuDSLfaSodO5QraIzlrUEr+D/aGsC0V1A1nRljppl+zv65pXF jMKnxCEQtqqV2lR/f7bZ3ArWYJXCgD2ie+4GKL0VUW0KnZx8Bc/wg+Qqc nXZ8nQmNGV3Z9zzkdGig4BgcgC/o+p0YyzeTSImIlNER78VzvV/xHfian VA2rtJr35TrkNqOEScauQQubqK1Y2s8hotNXovcGM0qqEtyp1ZekZnon4 g==; X-IronPort-AV: E=McAfee;i="6200,9189,10301"; a="322733928" X-IronPort-AV: E=Sophos;i="5.90,222,1643702400"; d="scan'208";a="322733928" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Mar 2022 07:20:44 -0700 X-IronPort-AV: E=Sophos;i="5.90,222,1643702400"; d="scan'208";a="586015679" Received: from amahade1-mobl2.amr.corp.intel.com (HELO [10.209.45.250]) ([10.209.45.250]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Mar 2022 07:20:44 -0700 Message-ID: <79bde999-cf8d-796b-1ddf-3cf612d28375@intel.com> Date: Wed, 30 Mar 2022 07:20:47 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Content-Language: en-US To: "Deucher, Alexander" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "corbet@lwn.net" , "hpa@zytor.com" , "x86@kernel.org" , "dave.hansen@linux.intel.com" , "bp@alien8.de" , "mingo@redhat.com" , "tglx@linutronix.de" , "joro@8bytes.org" , "Suthikulpanit, Suravee" , "will@kernel.org" , "iommu@lists.linux-foundation.org" , "robin.murphy@arm.com" , "Hegde, Vasant" References: <20220328172829.718235-1-alexander.deucher@amd.com> <20220328172829.718235-2-alexander.deucher@amd.com> From: Dave Hansen Subject: Re: [PATCH V3 1/2] Documentation: x86: Add documentation for AMD IOMMU In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_LOW,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 3/30/22 07:01, Deucher, Alexander wrote: >> Just scanning this, it looks *awfully* generic. Is anything in >> here AMD- specific? Should this be in an AMD-specific file? > There is some information about the ACPI tables used to enumerate the > IOMMUs and a link to the AMD IOMMU programming documentation. Would > you prefer I just create a combined x86 IOMMU document? Yeah, I think that would make a lot of sense. Let's just have one document with an AMD section and an Intel section. Maybe just rename the existing one to intel-iommu => x86-iommu.rst.