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d="scan'208";a="278807539" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jun 2022 23:15:15 -0700 X-IronPort-AV: E=Sophos;i="5.92,209,1650956400"; d="scan'208";a="833426034" Received: from zequnyu-mobl1.ccr.corp.intel.com (HELO [10.255.31.162]) ([10.255.31.162]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jun 2022 23:15:13 -0700 Message-ID: <88295461-7cba-7c30-6b9e-63ee77e90295@linux.intel.com> Date: Tue, 21 Jun 2022 14:15:11 +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: "Tian, Kevin" , Joerg Roedel , "Raj, Ashok" References: <20220620081729.4610-1-baolu.lu@linux.intel.com> <5d13cab5-1f0a-51c7-78a3-fb5d3d793ab1@linux.intel.com> <80457871-a760-69ba-70be-5e95344182ea@linux.intel.com> From: Baolu Lu In-Reply-To: Cc: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" , "Qiang, Chenyi" , "iommu@lists.linux-foundation.org" , "Pan, Jacob jun" 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" T24gMjAyMi82LzIxIDEzOjQ4LCBUaWFuLCBLZXZpbiB3cm90ZToKPj4gRnJvbTogQmFvbHUgTHUg PGJhb2x1Lmx1QGxpbnV4LmludGVsLmNvbT4KPj4gU2VudDogVHVlc2RheSwgSnVuZSAyMSwgMjAy MiAxMjoyOCBQTQo+Pgo+PiBPbiAyMDIyLzYvMjEgMTE6NDYsIFRpYW4sIEtldmluIHdyb3RlOgo+ Pj4+IEZyb206IEJhb2x1IEx1IDxiYW9sdS5sdUBsaW51eC5pbnRlbC5jb20+Cj4+Pj4gU2VudDog VHVlc2RheSwgSnVuZSAyMSwgMjAyMiAxMTozOSBBTQo+Pj4+Cj4+Pj4gT24gMjAyMi82LzIxIDEw OjU0LCBUaWFuLCBLZXZpbiB3cm90ZToKPj4+Pj4+IEZyb206IEx1IEJhb2x1IDxiYW9sdS5sdUBs aW51eC5pbnRlbC5jb20+Cj4+Pj4+PiBTZW50OiBNb25kYXksIEp1bmUgMjAsIDIwMjIgNDoxNyBQ TQo+Pj4+Pj4gQEAgLTI1NjQsNyArMjU2NCw3IEBAIHN0YXRpYyBpbnQgZG9tYWluX2FkZF9kZXZf aW5mbyhzdHJ1Y3QKPj4+Pj4+IGRtYXJfZG9tYWluICpkb21haW4sIHN0cnVjdCBkZXZpY2UgKmRl dikKPj4+Pj4+ICAgICAJCQlyZXQgPSBpbnRlbF9wYXNpZF9zZXR1cF9zZWNvbmRfbGV2ZWwoaW9t bXUsCj4+Pj4+PiBkb21haW4sCj4+Pj4+PiAgICAgCQkJCQlkZXYsIFBBU0lEX1JJRDJQQVNJRCk7 Cj4+Pj4+PiAgICAgCQlzcGluX3VubG9ja19pcnFyZXN0b3JlKCZpb21tdS0+bG9jaywgZmxhZ3Mp Owo+Pj4+Pj4gLQkJaWYgKHJldCkgewo+Pj4+Pj4gKwkJaWYgKHJldCAmJiByZXQgIT0gLUVCVVNZ KSB7Cj4+Pj4+PiAgICAgCQkJZGV2X2VycihkZXYsICJTZXR1cCBSSUQyUEFTSUQgZmFpbGVkXG4i KTsKPj4+Pj4+ICAgICAJCQlkbWFyX3JlbW92ZV9vbmVfZGV2X2luZm8oZGV2KTsKPj4+Pj4+ICAg ICAJCQlyZXR1cm4gcmV0Owo+Pj4+Pj4gLS0KPj4+Pj4+IDIuMjUuMQo+Pj4+Pgo+Pj4+PiBJdCdz IGNsZWFuZXIgdG8gYXZvaWQgdGhpcyBlcnJvciBhdCB0aGUgZmlyc3QgcGxhY2UsIGkuZS4gb25s eSBkbyB0aGUKPj4+Pj4gc2V0dXAgd2hlbiB0aGUgZmlyc3QgZGV2aWNlIGlzIGF0dGFjaGVkIHRv IHRoZSBwYXNpZCB0YWJsZS4KPj4+Pgo+Pj4+IFRoZSBsb2dpYyB0aGF0IGlkZW50aWZpZXMgdGhl IGZpcnN0IGRldmljZSBtaWdodCBpbnRyb2R1Y2UgYWRkaXRpb25hbAo+Pj4+IHVubmVjZXNzYXJ5 IGNvbXBsZXhpdHkuIERldmljZXMgdGhhdCBzaGFyZSBhIHBhc2lkIHRhYmxlIGFyZSByYXJlLiBJ Cj4+Pj4gZXZlbiBwcmVmZXIgdG8gZ2l2ZSB1cCBzaGFyaW5nIHRhYmxlcyBzbyB0aGF0IHRoZSBj b2RlIGNhbiBiZQo+Pj4+IHNpbXBsZXIuOi0pCj4+Pj4KPj4+Cj4+PiBJdCdzIG5vdCB0aGF0IGNv bXBsZXggaWYgeW91IHNpbXBseSBtb3ZlIGRldmljZV9hdHRhY2hfcGFzaWRfdGFibGUoKQo+Pj4g b3V0IG9mIGludGVsX3Bhc2lkX2FsbG9jX3RhYmxlKCkuIFRoZW4gZG8gdGhlIHNldHVwIGlmCj4+ PiBsaXN0X2VtcHR5KCZwYXNpZF90YWJsZS0+ZGV2KSBhbmQgdGhlbiBhdHRhY2ggZGV2aWNlIHRv IHRoZQo+Pj4gcGFzaWQgdGFibGUgaW4gZG9tYWluX2FkZF9kZXZfaW5mbygpLgo+Pgo+PiBUaGUg cGFzaWQgdGFibGUgaXMgcGFydCBvZiB0aGUgZGV2aWNlLCBoZW5jZSBhIGJldHRlciBwbGFjZSB0 bwo+PiBhbGxvY2F0ZS9mcmVlIHRoZSBwYXNpZCB0YWJsZSBpcyBpbiB0aGUgZGV2aWNlIHByb2Jl L3JlbGVhc2UgcGF0aHMuCj4+IFRoaW5ncyB3aWxsIGJlY29tZSBtb3JlIGNvbXBsaWNhdGVkIGlm IHdlIGNoYW5nZSByZWxhdGlvbnNoaXAgYmV0d2Vlbgo+PiBkZXZpY2UgYW5kIGl0J3MgcGFzaWQg dGFibGUgd2hlbiBhdHRhY2hpbmcvZGV0YWNoaW5nIGEgZG9tYWluLiBUaGF0J3MKPj4gdGhlIHJl YXNvbiB3aHkgSSB0aG91Z2h0IGl0IHdhcyBhZGRpdGlvbmFsIGNvbXBsZXhpdHkuCj4+Cj4gCj4g SWYgeW91IGRvIHdhbnQgdG8gZm9sbG93IGN1cnJlbnQgcm91dGUgaXTigJlzIHN0aWxsIGNsZWFu ZXIgdG8gY2hlY2sKPiB3aGV0aGVyIHRoZSBwYXNpZCBlbnRyeSBoYXMgcG9pbnRlZCB0byB0aGUg ZG9tYWluIGluIHRoZSBpbmRpdmlkdWFsCj4gc2V0dXAgZnVuY3Rpb24gaW5zdGVhZCBvZiBibGlu ZGx5IHJldHVybmluZyAtRUJVU1kgYW5kIHRoZW4gaWdub3JpbmcKPiBpdCBldmVuIGlmIGEgcmVh bCBidXN5IGNvbmRpdGlvbiBvY2N1cnMuIFRoZSBzZXR1cCBmdW5jdGlvbnMgY2FuCj4ganVzdCBy ZXR1cm4gemVybyBmb3IgdGhpcyBiZW5pZ24gYWxpYXMgY2FzZS4KCkZhaXIgZW5vdWdoLiBMZXQg bWUgaW1wcm92ZSBpdC4KCi0tCkJlc3QgcmVnYXJkcywKYmFvbHUKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0CmlvbW11QGxp c3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2lvbW11