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a="344291815" X-IronPort-AV: E=Sophos;i="5.92,211,1650956400"; d="scan'208";a="344291815" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jun 2022 20:22:35 -0700 X-IronPort-AV: E=Sophos;i="5.92,211,1650956400"; d="scan'208";a="833881083" Received: from xzhan99-mobl1.ccr.corp.intel.com (HELO [10.249.172.26]) ([10.249.172.26]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jun 2022 20:22:33 -0700 Message-ID: <809824df-bb33-a878-0652-02f7eb135fa4@linux.intel.com> Date: Wed, 22 Jun 2022 11:22:31 +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 1/1] iommu/vt-d: Fix RID2PASID setup failure Content-Language: en-US To: Ethan Zhao , Joerg Roedel , Kevin Tian , Ashok Raj References: <20220620081729.4610-1-baolu.lu@linux.intel.com> <30d27b02-0fec-d595-75a0-155eee1c84d6@linux.intel.com> From: Baolu Lu In-Reply-To: <30d27b02-0fec-d595-75a0-155eee1c84d6@linux.intel.com> Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Chenyi Qiang , iommu@lists.linux-foundation.org, Jacob jun Pan 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" T24gMjAyMi82LzIyIDEwOjU2LCBFdGhhbiBaaGFvIHdyb3RlOgo+IOWcqCAyMDIyLzYvMjAgMTY6 MTcsIEx1IEJhb2x1IOWGmemBkzoKPj4gVGhlIElPTU1VIGRyaXZlciBzaGFyZXMgdGhlIHBhc2lk IHRhYmxlIGZvciBQQ0kgYWxpYXMgZGV2aWNlcy4gV2hlbiB0aGUKPj4gUklEMlBBU0lEIGVudHJ5 IG9mIHRoZSBzaGFyZWQgcGFzaWQgdGFibGUgaGFzIGJlZW4gZmlsbGVkIGJ5IHRoZSBmaXJzdAo+ PiBkZXZpY2UsIHRoZSBzdWJzZXF1ZW50IGRldmljZXMgd2lsbCBlbmNvdW50ZXIgdGhlICJETUFS OiBTZXR1cCBSSUQyUEFTSUQKPj4gZmFpbGVkIiBmYWlsdXJlIGFzIHRoZSBwYXNpZCBlbnRyeSBo YXMgYWxyZWFkeSBiZWVuIG1hcmtlIGFzIHByZXNlbnQuIEFzCj4+IHRoZSByZXN1bHQsIHRoZSBJ T01NVSBwcm9iaW5nIHByb2Nlc3Mgd2lsbCBiZSBhYm9ydGVkLgo+Pgo+PiBUaGlzIGZpeGVzIGl0 IGJ5IHNraXBwaW5nIFJJRDJQQVNJRCBzZXR0aW5nIGlmIHRoZSBwYXNpZCBlbnRyeSBoYXMgYmVl bgo+PiBwb3B1bGF0ZWQuIFRoaXMgd29ya3MgYmVjYXVzZSB0aGUgSU9NTVUgY29yZSBlbnN1cmVz IHRoYXQgb25seSB0aGUgc2FtZQo+PiBJT01NVSBkb21haW4gY2FuIGJlIGF0dGFjaGVkIHRvIGFs bCBQQ0kgYWxpYXMgZGV2aWNlcyBhdCB0aGUgc2FtZSB0aW1lLgo+PiBUaGVyZWZvcmUgdGhlIHN1 YnNlcXVlbnQgZGV2aWNlcyBqdXN0IHRyeSB0byBzZXR1cCB0aGUgUklEMlBBU0lEIGVudHJ5Cj4+ IHdpdGggdGhlIHNhbWUgZG9tYWluLCB3aGljaCBpcyBuZWdsaWdpYmxlLgo+ICDCoMKgwqAgV2Ug aGF2ZSB0d28gY3VzdG9tZXJzIHJlcG9ydGVkIHRoZSBpc3N1ZSAiRE1BUjogU2V0dXAgUklEMlBB U0lEIAo+IGZhaWxlZCIsCj4gCj4gVHdvIEFTUEVFRCBkZXZpY2VzIGxvY2F0ZSBiZWhpbmQgb25l IFBDSWUtUENJIGJyaWRnZSBhbmQgaW9tbXUgU00sIFBUIAo+IG1vZGUgaXMgZW5hYmxlZC7CoCBN b3N0Cj4gCj4gSW50ZXJlc3RpbmcgdGhpbmcgaXMgdGhlIHNlY29uZCBkZXZpY2UgaXMgb25seSB1 c2VkIGJ5IEJJT1MsIGFuZCBCSU9TIAo+IGxlZnQgaXQgdG8gT1Mgd2l0aG91dCBzaHV0dGluZyBk b3duLAo+IAo+IGFuZCBpdCBpcyB1c2VsZXNzIGZvciBPUy4KClRoaXMgc291bmRzIG9kZC4gSXNu J3QgdGhpcyBhIGJ1Zz8KCgo+IElzIHRoZXJlIHByYWN0aWNhbCBjYXNlIG11bHRpIGRldmljZXMg YmVoaW5kIAo+IFBDSWUtUENJIGJyaWRnZSBzaGFyZSB0aGUgc2FtZQo+IAo+IFBBU0lEIGVudHJ5 IHdpdGhvdXQgYW55IHNlY3VyaXR5IGNvbmNlcm4gPyB0aGVzZSB0d28gY3VzdG9tZXIncyBjYXNl IGlzIAo+IG5vdC4KClRoZSBkZXZpY2VzIHVuZGVybmVhdGggdGhlIFBDSWUtUENJIGJyaWRnZSBh cmUgYWxpYXMgZGV2aWNlcyBvZiB0aGUKYnJpZGdlLiBQQ0kgYWxpYXMgZGV2aWNlcyBhbHdheXMg c2l0IGluIHRoZSBzYW1lIGdyb3VwICh0aGUgbWluaW1hbCB1bml0CnRoYXQgSU9NTVUgZ3VhcmFu dGVlcyBpc29sYXRpb24pIGFuZCBjYW4gb25seSBiZSBhdHRhY2hlZCB3aXRoIGEgc2FtZQpkb21h aW4gKG1hbmFnZWQgSS9PIGFkZHJlc3Mgc3BhY2UpLiBIZW5jZSwgdGhlcmUncyBubyBzZWN1cml0 eSBjb25jZXJuCmlmIHRoZXkgZnVydGhlciBzaGFyZSB0aGUgcGFzaWQgdGFibGUuCgpCZXN0IHJl Z2FyZHMsCmJhb2x1Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmlvbW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpo dHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==