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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A94C6C4321A for ; Mon, 10 Jun 2019 18:45:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8A8C520859 for ; Mon, 10 Jun 2019 18:45:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388532AbfFJSpY (ORCPT ); Mon, 10 Jun 2019 14:45:24 -0400 Received: from mga04.intel.com ([192.55.52.120]:30827 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387643AbfFJSpY (ORCPT ); Mon, 10 Jun 2019 14:45:24 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Jun 2019 11:45:23 -0700 X-ExtLoop1: 1 Received: from orsmsx102.amr.corp.intel.com ([10.22.225.129]) by orsmga002.jf.intel.com with ESMTP; 10 Jun 2019 11:45:23 -0700 Received: from orsmsx113.amr.corp.intel.com ([169.254.9.248]) by ORSMSX102.amr.corp.intel.com ([169.254.3.187]) with mapi id 14.03.0415.000; Mon, 10 Jun 2019 11:45:23 -0700 From: "Mehta, Sohil" To: "joro@8bytes.org" , "baolu.lu@linux.intel.com" , "dwmw2@infradead.org" CC: "linux-kernel@vger.kernel.org" , "Raj, Ashok" , "Prakhya, Sai Praneeth" , "cai@lca.pw" , "jacob.jun.pan@linux.intel.com" , "iommu@lists.linux-foundation.org" , "Pan, Jacob jun" , "Tian, Kevin" Subject: Re: [PATCH 5/6] iommu/vt-d: Cleanup after delegating DMA domain to generic iommu Thread-Topic: [PATCH 5/6] iommu/vt-d: Cleanup after delegating DMA domain to generic iommu Thread-Index: AQHVHm1riigSOeMSoEKdi5DrOzgP5aaVsjoA Date: Mon, 10 Jun 2019 18:45:23 +0000 Message-ID: <1560192412.27481.12.camel@intel.com> References: <20190609023803.23832-1-baolu.lu@linux.intel.com> <20190609023803.23832-6-baolu.lu@linux.intel.com> In-Reply-To: <20190609023803.23832-6-baolu.lu@linux.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.25.110.4] Content-Type: text/plain; charset="utf-8" Content-ID: <06FAD7A4365DF84993512DC9E698AAA7@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gU3VuLCAyMDE5LTA2LTA5IGF0IDEwOjM4ICswODAwLCBMdSBCYW9sdSB3cm90ZToNCj4gwqBz dGF0aWMgaW50IF9faW5pdCBzaV9kb21haW5faW5pdChpbnQgaHcpDQo+IEBAIC0zMzA2LDE0ICsz MjUyLDEzIEBAIHN0YXRpYyBpbnQgX19pbml0IGluaXRfZG1hcnModm9pZCkNCj4gwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBpZiAocGFzaWRfc3VwcG9ydGVkKGlvbW11KSkNCj4gwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgaW50ZWxfc3ZtX2lu aXQoaW9tbXUpOw0KPiDCoCNlbmRpZg0KPiAtwqDCoMKgwqDCoMKgwqB9DQo+IMKgDQo+IC3CoMKg wqDCoMKgwqDCoC8qDQo+IC3CoMKgwqDCoMKgwqDCoCAqIE5vdyB0aGF0IHFpIGlzIGVuYWJsZWQg b24gYWxsIGlvbW11cywgc2V0IHRoZSByb290IGVudHJ5DQo+IGFuZCBmbHVzaA0KPiAtwqDCoMKg wqDCoMKgwqAgKiBjYWNoZXMuIFRoaXMgaXMgcmVxdWlyZWQgb24gc29tZSBJbnRlbCBYNTggY2hp cHNldHMsDQo+IG90aGVyd2lzZSB0aGUNCj4gLcKgwqDCoMKgwqDCoMKgICogZmx1c2hfY29udGV4 dCBmdW5jdGlvbiB3aWxsIGxvb3AgZm9yZXZlciBhbmQgdGhlIGJvb3QNCj4gaGFuZ3MuDQo+IC3C oMKgwqDCoMKgwqDCoCAqLw0KPiAtwqDCoMKgwqDCoMKgwqBmb3JfZWFjaF9hY3RpdmVfaW9tbXUo aW9tbXUsIGRyaGQpIHsNCj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoC8qDQo+ICvC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgKiBOb3cgdGhhdCBxaSBpcyBlbmFibGVkIG9u IGFsbCBpb21tdXMsIHNldCB0aGUgcm9vdA0KPiBlbnRyeSBhbmQNCj4gK8KgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoCAqIGZsdXNoIGNhY2hlcy4gVGhpcyBpcyByZXF1aXJlZCBvbiBzb21l IEludGVsIFg1OA0KPiBjaGlwc2V0cywNCj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oCAqIG90aGVyd2lzZSB0aGUgZmx1c2hfY29udGV4dCBmdW5jdGlvbiB3aWxsIGxvb3ANCj4gZm9y ZXZlciBhbmQNCj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCAqIHRoZSBib290IGhh bmdzLg0KPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgICovDQo+IMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgaW9tbXVfZmx1c2hfd3JpdGVfYnVmZmVyKGlvbW11KTsNCj4g wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBpb21tdV9zZXRfcm9vdF9lbnRyeShpb21t dSk7DQo+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgaW9tbXUtPmZsdXNoLmZsdXNo X2NvbnRleHQoaW9tbXUsIDAsIDAsIDAsDQo+IERNQV9DQ01EX0dMT0JBTF9JTlZMKTsNCg0KDQpU aGlzIGNoYW5nZXMgdGhlIGludGVudCBvZiB0aGUgb3JpZ2luYWwgY29kZS4gQXMgdGhlIGNvbW1l bnQgc2F5cw0KZW5hYmxlIFFJIG9uIGFsbCBJT01NVXMsIHRoZW4gZmx1c2ggdGhlIGNhY2hlcyBh bmQgc2V0IHRoZSByb290IGVudHJ5Lg0KVGhlIG9yZGVyIG9mIHNldHRpbmcgdGhlIHJvb3QgZW50 cmllcyBoYXMgY2hhbmdlZCBub3cuDQoNClJlZmVyOsKgDQpDb21taXQgYTRjMzRmZjFjMDI5ICgn aW9tbXUvdnQtZDogRW5hYmxlIFFJIG9uIGFsbCBJT01NVXMgYmVmb3JlDQpzZXR0aW5nIHJvb3Qg ZW50cnknKQ0KDQotLVNvaGls