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 Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6FC2DC433EF for ; Wed, 1 Jun 2022 05:47:41 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 0F01C81418; Wed, 1 Jun 2022 05:47:41 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jCEFAVTmJnuy; Wed, 1 Jun 2022 05:47:40 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp1.osuosl.org (Postfix) with ESMTPS id D0D3B813FE; Wed, 1 Jun 2022 05:47:39 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 970D6C0032; Wed, 1 Jun 2022 05:47:39 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id EAD89C002D for ; Wed, 1 Jun 2022 05:47:37 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id E6F32408FB for ; Wed, 1 Jun 2022 05:47:37 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp4.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=intel.com Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id toq51WkJydQ5 for ; Wed, 1 Jun 2022 05:47:37 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by smtp4.osuosl.org (Postfix) with ESMTPS id 28BC0408F8 for ; Wed, 1 Jun 2022 05:47:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1654062457; x=1685598457; h=message-id:date:mime-version:cc:subject:to:references: from:in-reply-to:content-transfer-encoding; bh=pz8nnaQVnwSBHflv/+Mi+yb60f/0IVaCCTD8aF3LOog=; b=IXcvMfIk4b/CzCi//HCGNxIN+Z3wCHqyPzXBcoP8rXdyS4kYYFueCoPo C2NJvu1a6OyQmsYL5rztWReq021mnolECCsv6RLtnEBmyxWQ/Rrf3Jivl 1A2Tb2aV6Lkgesd2UMS4qQUANPeFjzmyBT8WoboNWam10+ihrpx+mKxhq zc4IhdXPW6jla5PXmQPYBFX8UPucwZTIMxALekV0VzpjGj3sumYfcuf7A lpwjPN8hYdog7ZWz4ar0deRZo6rcd8PTIvjOlkvXmZFxLlzZjqvWtaxmk larA3nDXz9d8UBCEOYigY7IeWbRFTDZCG5t8J81lMzpqzISAYO3gwE87r Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10364"; a="275204429" X-IronPort-AV: E=Sophos;i="5.91,266,1647327600"; d="scan'208";a="275204429" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 May 2022 22:47:36 -0700 X-IronPort-AV: E=Sophos;i="5.91,266,1647327600"; d="scan'208";a="706909235" Received: from hej1-mobl.ccr.corp.intel.com (HELO [10.255.28.123]) ([10.255.28.123]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 May 2022 22:47:33 -0700 Message-ID: <5da96e23-113d-c0e3-fb17-2ae52a66ec8e@linux.intel.com> Date: Wed, 1 Jun 2022 13:47:32 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH 01/12] iommu/vt-d: Use iommu_get_domain_for_dev() in debugfs Content-Language: en-US To: Jason Gunthorpe , Robin Murphy References: <20220527063019.3112905-1-baolu.lu@linux.intel.com> <20220527063019.3112905-2-baolu.lu@linux.intel.com> <20220527145910.GQ1343366@nvidia.com> <20220530121412.GX1343366@nvidia.com> <42623a73-c288-1c0d-7021-93caff4ffb6f@linux.intel.com> <0b7bd793-a3c7-e7e7-8ef0-214dd5b98f05@arm.com> <20220531155904.GA3726345@nvidia.com> From: Baolu Lu In-Reply-To: <20220531155904.GA3726345@nvidia.com> Cc: Kevin Tian , Ashok Raj , linux-kernel@vger.kernel.org, Christoph Hellwig , iommu@lists.linux-foundation.org, Jacob jun Pan , Will Deacon X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" T24gMjAyMi81LzMxIDIzOjU5LCBKYXNvbiBHdW50aG9ycGUgd3JvdGU6Cj4gT24gVHVlLCBNYXkg MzEsIDIwMjIgYXQgMDI6NTI6MjhQTSArMDEwMCwgUm9iaW4gTXVycGh5IHdyb3RlOgo+IAo+Pj4g K8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBicmVhazsKPj4+ICvCoMKgwqDCoMKgwqDC oMKgwqDCoMKgIHBndGFibGVfd2Fsa19sZXZlbChtLCBwaHlzX3RvX3ZpcnQocGh5c19hZGRyKSwK Pj4KPj4gQWxzbywgb2JsaWdhdG9yeSByZW1pbmRlciB0aGF0IHBmbl92YWxpZCgpIG9ubHkgbWVh bnMgdGhhdCBwZm5fdG9fcGFnZSgpCj4+IGdldHMgeW91IGEgdmFsaWQgc3RydWN0IHBhZ2UuIFdo ZXRoZXIgdGhhdCBwYWdlIGlzIGRpcmVjdC1tYXBwZWQga2VybmVsCj4+IG1lbW9yeSBvciBub3Qg aXMgYSBkaWZmZXJlbnQgbWF0dGVyLgo+IAo+IEV2ZW4gdGhvdWdoIHRoaXMgaXMgZGVidWdmcywg aWYgdGhlIG9wZXJhdGlvbiBpcyBza2V0Y2h5IGxpa2UgdGhhdCBhbmQKPiBjYW4gdGhlb3J0aWNh bGx5IGNyYXNoIHRoZSBrZXJuZWwgdGhlIGRyaXZlciBzaG91bGQgdGVzdCBjYXBhYmlsaXRpZXMs Cj4gQ0FQX1NZU19SQVdJTyBvciBzb21ldGhpbmcgbWF5IGJlIGFwcHJvcHJpYXRlLiBJIGRvbid0 IHRoaW5rIHdlIGhhdmUgYQo+IGJldHRlciBjYXAgZm9yICd1c2Vyc3BhY2UgbWF5IGNyYXNoIHRo ZSBrZXJuZWwnCgpZZXMuIFdlIHNob3VsZCB0ZXN0IGJvdGggQ0FQX1NZU19BRE1JTiBhbmQgQ0FQ X1NZU19SQVdJTy4KCkJlc3QgcmVnYXJkcywKYmFvbHUKCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5s aW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFp bG1hbi9saXN0aW5mby9pb21tdQ==