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d="scan'208";a="259665394" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jun 2022 01:57:55 -0700 X-IronPort-AV: E=Sophos;i="5.92,306,1650956400"; d="scan'208";a="643019952" Received: from lgao7-mobl2.ccr.corp.intel.com (HELO [10.255.31.74]) ([10.255.31.74]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jun 2022 01:57:52 -0700 Message-ID: <868f515e-a4ea-8c34-7317-5aba18f8d5f0@linux.intel.com> Date: Mon, 20 Jun 2022 16:57:51 +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: Yi Liu , Joerg Roedel , Kevin Tian , Ashok Raj References: <20220620081729.4610-1-baolu.lu@linux.intel.com> <03e70268-aadc-7ad2-276b-bf029487a5de@intel.com> From: Baolu Lu In-Reply-To: <03e70268-aadc-7ad2-276b-bf029487a5de@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" T24gMjAyMi82LzIwIDE2OjMxLCBZaSBMaXUgd3JvdGU6Cj4gSGkgQmFvbHUsCj4gCj4gT24gMjAy Mi82LzIwIDE2OjE3LCBMdSBCYW9sdSB3cm90ZToKPj4gVGhlIElPTU1VIGRyaXZlciBzaGFyZXMg dGhlIHBhc2lkIHRhYmxlIGZvciBQQ0kgYWxpYXMgZGV2aWNlcy4gV2hlbiB0aGUKPj4gUklEMlBB U0lEIGVudHJ5IG9mIHRoZSBzaGFyZWQgcGFzaWQgdGFibGUgaGFzIGJlZW4gZmlsbGVkIGJ5IHRo ZSBmaXJzdAo+PiBkZXZpY2UsIHRoZSBzdWJzZXF1ZW50IGRldmljZXMgd2lsbCBlbmNvdW50ZXIg dGhlICJETUFSOiBTZXR1cCBSSUQyUEFTSUQKPj4gZmFpbGVkIiBmYWlsdXJlIGFzIHRoZSBwYXNp ZCBlbnRyeSBoYXMgYWxyZWFkeSBiZWVuIG1hcmtlIGFzIHByZXNlbnQuIEFzCj4gCj4gcy9tYXJr ZS9tYXJrZWQvCgpVcGRhdGVkLiBUaGFua3MhCgo+PiB0aGUgcmVzdWx0LCB0aGUgSU9NTVUgcHJv YmluZyBwcm9jZXNzIHdpbGwgYmUgYWJvcnRlZC4KPj4KPj4gVGhpcyBmaXhlcyBpdCBieSBza2lw cGluZyBSSUQyUEFTSUQgc2V0dGluZyBpZiB0aGUgcGFzaWQgZW50cnkgaGFzIGJlZW4KPj4gcG9w dWxhdGVkLiBUaGlzIHdvcmtzIGJlY2F1c2UgdGhlIElPTU1VIGNvcmUgZW5zdXJlcyB0aGF0IG9u bHkgdGhlIHNhbWUKPj4gSU9NTVUgZG9tYWluIGNhbiBiZSBhdHRhY2hlZCB0byBhbGwgUENJIGFs aWFzIGRldmljZXMgYXQgdGhlIHNhbWUgdGltZS4KPiAKPiBuaXQuIHRoaXMgc2VudGVuY2UgaXMg YSBsaXR0bGUgYml0IHRvIGludGVycHJldC4gOi0pIEkgZ3Vlc3Mgd2hhdCB5b3Ugd2FudAo+IHRv IGRlc2NyaWJlIGlzIHRoZSBQQ0kgYWxpYXMgZGV2aWNlcyBzaG91bGQgYmUgYXR0YWNoZWQgdG8g dGhlIHNhbWUgZG9tYWluCj4gaW5zdGVhZCBvZiBkaWZmZXJlbnQgZG9tYWluLiByaWdodD8KClll cy4KCj4gCj4gYWxzbywgZG9lcyBpdCBhcHBseSB0byBhbGwgZG9tYWluIHR5cGVzPyBlLmcuIHRo ZSBTVkEgZG9tYWlucyBpbnRyb2R1Y2VkIAo+IGluICJpb21tdTogU1ZBIGFuZCBJT1BGIHJlZmFj dG9yaW5nIgoKTm8uIE9ubHkgYWJvdXQgdGhlIFJJRDJQQVNJRC4KCj4gCj4+IFRoZXJlZm9yZSB0 aGUgc3Vic2VxdWVudCBkZXZpY2VzIGp1c3QgdHJ5IHRvIHNldHVwIHRoZSBSSUQyUEFTSUQgZW50 cnkKPj4gd2l0aCB0aGUgc2FtZSBkb21haW4sIHdoaWNoIGlzIG5lZ2xpZ2libGUuCj4+Cj4+IEZp eGVzOiBlZjg0OGI3ZTVhNmEwICgiaW9tbXUvdnQtZDogU2V0dXAgcGFzaWQgZW50cnkgZm9yIFJJ RDJQQVNJRCAKPj4gc3VwcG9ydCIpCj4+IFJlcG9ydGVkLWJ5OiBDaGVueWkgUWlhbmcgPGNoZW55 aS5xaWFuZ0BpbnRlbC5jb20+Cj4+IENjOiBzdGFibGVAdmdlci5rZXJuZWwub3JnCj4+IFNpZ25l ZC1vZmYtYnk6IEx1IEJhb2x1IDxiYW9sdS5sdUBsaW51eC5pbnRlbC5jb20+Cj4+IC0tLQo+PiDC oCBkcml2ZXJzL2lvbW11L2ludGVsL2lvbW11LmMgfCAyICstCj4+IMKgIDEgZmlsZSBjaGFuZ2Vk LCAxIGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQo+Pgo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVy cy9pb21tdS9pbnRlbC9pb21tdS5jIGIvZHJpdmVycy9pb21tdS9pbnRlbC9pb21tdS5jCj4+IGlu ZGV4IDQ0MDE2NTk0ODMxZC4uYjk5NjZjMDFhMmEyIDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2lv bW11L2ludGVsL2lvbW11LmMKPj4gKysrIGIvZHJpdmVycy9pb21tdS9pbnRlbC9pb21tdS5jCj4+ IEBAIC0yNTY0LDcgKzI1NjQsNyBAQCBzdGF0aWMgaW50IGRvbWFpbl9hZGRfZGV2X2luZm8oc3Ry dWN0IAo+PiBkbWFyX2RvbWFpbiAqZG9tYWluLCBzdHJ1Y3QgZGV2aWNlICpkZXYpCj4+IMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgIHJldCA9IGludGVsX3Bhc2lkX3NldHVwX3NlY29uZF9sZXZl bChpb21tdSwgZG9tYWluLAo+PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqAgZGV2LCBQQVNJRF9SSUQyUEFTSUQpOwo+PiDCoMKgwqDCoMKgwqDCoMKgwqAgc3Bpbl91 bmxvY2tfaXJxcmVzdG9yZSgmaW9tbXUtPmxvY2ssIGZsYWdzKTsKPj4gLcKgwqDCoMKgwqDCoMKg IGlmIChyZXQpIHsKPj4gK8KgwqDCoMKgwqDCoMKgIGlmIChyZXQgJiYgcmV0ICE9IC1FQlVTWSkg ewo+PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBkZXZfZXJyKGRldiwgIlNldHVwIFJJRDJQ QVNJRCBmYWlsZWRcbiIpOwo+PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBkbWFyX3JlbW92 ZV9vbmVfZGV2X2luZm8oZGV2KTsKPj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcmV0dXJu IHJldDsKPiAKCi0tCkJlc3QgcmVnYXJkcywKYmFvbHUKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KaW9tbXUgbWFpbGluZyBsaXN0CmlvbW11QGxpc3RzLmxp bnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWls bWFuL2xpc3RpbmZvL2lvbW11