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,URIBL_BLOCKED autolearn=no 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 8DFE0C43331 for ; Fri, 3 Apr 2020 14:29:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5E04A2073B for ; Fri, 3 Apr 2020 14:29:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403976AbgDCO3q (ORCPT ); Fri, 3 Apr 2020 10:29:46 -0400 Received: from mga06.intel.com ([134.134.136.31]:59302 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403885AbgDCO3q (ORCPT ); Fri, 3 Apr 2020 10:29:46 -0400 IronPort-SDR: C0ASCOFmEn+F5s67LuNYG5bhyWtVbkbnrkxJpnL1UrCGOeSn7oDHpTEUvN0aY/Ssnc7J5jsYZn sWrzlf/5E9Mw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Apr 2020 07:29:45 -0700 IronPort-SDR: OMgZC6PTstbqz4oW7leK+A6kOGnGt9CtuIg3gW/itn1kSN4CEhbzAw8SFNRQ/fES//hZ8XWK7l X/5AmojS/cJQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,340,1580803200"; d="scan'208";a="329180601" Received: from fmsmsx106.amr.corp.intel.com ([10.18.124.204]) by orsmga001.jf.intel.com with ESMTP; 03 Apr 2020 07:29:44 -0700 Received: from FMSMSX110.amr.corp.intel.com (10.18.116.10) by FMSMSX106.amr.corp.intel.com (10.18.124.204) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 3 Apr 2020 07:29:44 -0700 Received: from shsmsx102.ccr.corp.intel.com (10.239.4.154) by fmsmsx110.amr.corp.intel.com (10.18.116.10) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 3 Apr 2020 07:29:44 -0700 Received: from shsmsx104.ccr.corp.intel.com ([169.254.5.225]) by shsmsx102.ccr.corp.intel.com ([169.254.2.138]) with mapi id 14.03.0439.000; Fri, 3 Apr 2020 22:29:40 +0800 From: "Liu, Yi L" To: Peter Xu CC: "qemu-devel@nongnu.org" , "alex.williamson@redhat.com" , "eric.auger@redhat.com" , "pbonzini@redhat.com" , "mst@redhat.com" , "david@gibson.dropbear.id.au" , "Tian, Kevin" , "Tian, Jun J" , "Sun, Yi Y" , "kvm@vger.kernel.org" , "Wu, Hao" , "jean-philippe@linaro.org" , Jacob Pan , Yi Sun , Richard Henderson Subject: RE: [PATCH v2 15/22] intel_iommu: bind/unbind guest page table to host Thread-Topic: [PATCH v2 15/22] intel_iommu: bind/unbind guest page table to host Thread-Index: AQHWBkplKGJEo59YsUeJrUOkrr1+EKhloPgAgAHaffA= Date: Fri, 3 Apr 2020 14:29:39 +0000 Message-ID: References: <1585542301-84087-1-git-send-email-yi.l.liu@intel.com> <1585542301-84087-16-git-send-email-yi.l.liu@intel.com> <20200402180920.GD103677@xz-x1> In-Reply-To: <20200402180920.GD103677@xz-x1> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.2.0.6 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org PiBGcm9tOiBQZXRlciBYdSA8cGV0ZXJ4QHJlZGhhdC5jb20+DQo+IFNlbnQ6IEZyaWRheSwgQXBy aWwgMywgMjAyMCAyOjA5IEFNDQo+IFRvOiBMaXUsIFlpIEwgPHlpLmwubGl1QGludGVsLmNvbT4N Cj4gU3ViamVjdDogUmU6IFtQQVRDSCB2MiAxNS8yMl0gaW50ZWxfaW9tbXU6IGJpbmQvdW5iaW5k IGd1ZXN0IHBhZ2UgdGFibGUgdG8gaG9zdA0KPiANCj4gT24gU3VuLCBNYXIgMjksIDIwMjAgYXQg MDk6MjQ6NTRQTSAtMDcwMCwgTGl1IFlpIEwgd3JvdGU6DQo+ID4gK3N0YXRpYyBpbnQgdnRkX2Jp bmRfZ3Vlc3RfcGFzaWQoSW50ZWxJT01NVVN0YXRlICpzLCBWVERCdXMgKnZ0ZF9idXMsDQo+ID4g KyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgaW50IGRldmZuLCBpbnQgcGFzaWQsIFZU RFBBU0lERW50cnkgKnBlLA0KPiA+ICsgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIFZU RFBBU0lET3Agb3ApIHsNCj4gPiArICAgIFZUREhvc3RJT01NVUNvbnRleHQgKnZ0ZF9kZXZfaWN4 Ow0KPiA+ICsgICAgSG9zdElPTU1VQ29udGV4dCAqaW9tbXVfY3R4Ow0KPiA+ICsgICAgRHVhbElP TU1VU3RhZ2UxQmluZERhdGEgKmJpbmRfZGF0YTsNCj4gPiArICAgIHN0cnVjdCBpb21tdV9ncGFz aWRfYmluZF9kYXRhICpnX2JpbmRfZGF0YTsNCj4gPiArICAgIGludCByZXQgPSAtMTsNCj4gPiAr DQo+ID4gKyAgICB2dGRfZGV2X2ljeCA9IHZ0ZF9idXMtPmRldl9pY3hbZGV2Zm5dOw0KPiA+ICsg ICAgaWYgKCF2dGRfZGV2X2ljeCkgew0KPiA+ICsgICAgICAgIC8qIG1lYW5zIG5vIG5lZWQgdG8g Z28gZnVydGhlciwgZS5nLiBmb3IgZW11bGF0ZWQgZGV2aWNlcyAqLw0KPiA+ICsgICAgICAgIHJl dHVybiAwOw0KPiA+ICsgICAgfQ0KPiA+ICsNCj4gPiArICAgIGlvbW11X2N0eCA9IHZ0ZF9kZXZf aWN4LT5pb21tdV9jdHg7DQo+ID4gKyAgICBpZiAoIWlvbW11X2N0eCkgew0KPiA+ICsgICAgICAg IHJldHVybiAtRUlOVkFMOw0KPiA+ICsgICAgfQ0KPiA+ICsNCj4gPiArICAgIGlmICghKGlvbW11 X2N0eC0+c3RhZ2UxX2Zvcm1hdHMNCj4gPiArICAgICAgICAgICAgICYgSU9NTVVfUEFTSURfRk9S TUFUX0lOVEVMX1ZURCkpIHsNCj4gPiArICAgICAgICBlcnJvcl9yZXBvcnRfb25jZSgiSU9NTVUg U3RhZ2UgMSBmb3JtYXQgaXMgbm90IGNvbXBhdGlibGUhXG4iKTsNCj4gPiArICAgICAgICByZXR1 cm4gLUVJTlZBTDsNCj4gPiArICAgIH0NCj4gPiArDQo+ID4gKyAgICBiaW5kX2RhdGEgPSBnX21h bGxvYzAoc2l6ZW9mKCpiaW5kX2RhdGEpKTsNCj4gPiArICAgIGJpbmRfZGF0YS0+cGFzaWQgPSBw YXNpZDsNCj4gPiArICAgIGdfYmluZF9kYXRhID0gJmJpbmRfZGF0YS0+YmluZF9kYXRhLmdwYXNp ZF9iaW5kOw0KPiA+ICsNCj4gPiArICAgIGdfYmluZF9kYXRhLT5mbGFncyA9IDA7DQo+ID4gKyAg ICBnX2JpbmRfZGF0YS0+dnRkLmZsYWdzID0gMDsNCj4gPiArICAgIHN3aXRjaCAob3ApIHsNCj4g PiArICAgIGNhc2UgVlREX1BBU0lEX0JJTkQ6DQo+ID4gKyAgICAgICAgZ19iaW5kX2RhdGEtPnZl cnNpb24gPSBJT01NVV9VQVBJX1ZFUlNJT047DQo+ID4gKyAgICAgICAgZ19iaW5kX2RhdGEtPmZv cm1hdCA9IElPTU1VX1BBU0lEX0ZPUk1BVF9JTlRFTF9WVEQ7DQo+ID4gKyAgICAgICAgZ19iaW5k X2RhdGEtPmdwZ2QgPSB2dGRfcGVfZ2V0X2ZscHRfYmFzZShwZSk7DQo+ID4gKyAgICAgICAgZ19i aW5kX2RhdGEtPmFkZHJfd2lkdGggPSB2dGRfcGVfZ2V0X2ZsX2F3KHBlKTsNCj4gPiArICAgICAg ICBnX2JpbmRfZGF0YS0+aHBhc2lkID0gcGFzaWQ7DQo+ID4gKyAgICAgICAgZ19iaW5kX2RhdGEt PmdwYXNpZCA9IHBhc2lkOw0KPiA+ICsgICAgICAgIGdfYmluZF9kYXRhLT5mbGFncyB8PSBJT01N VV9TVkFfR1BBU0lEX1ZBTDsNCj4gPiArICAgICAgICBnX2JpbmRfZGF0YS0+dnRkLmZsYWdzID0N Cj4gPiArICAgICAgICAgICAgICAgICAgICAgICAgICAgICAoVlREX1NNX1BBU0lEX0VOVFJZX1NS RV9CSVQocGUtPnZhbFsyXSkNCj4gPiArID8gMSA6IDApDQo+IA0KPiBUaGlzIGV2YWx1YXRlcyB0 byAxIGlmIFZURF9TTV9QQVNJRF9FTlRSWV9TUkVfQklUKHBlLT52YWxbMl0pLCBvciAwLg0KPiBE byB5b3Ugd2FudCB0byB1c2UgSU9NTVVfU1ZBX1ZURF9HUEFTSURfU1JFIGluc3RlYWQgb2YgMT8g IFNhbWUgcXVlc3Rpb24gdG8NCj4gYWxsIHRoZSByZXN0Lg0KDQpvb3BzLCB5ZXMgaXQgaXMuIHlv dSBhcmUgcmlnaHQuIHRoYW5rcyBmb3IgY2F0Y2hpbmcgaXQuIER1cmluZyB2ZXJpZmljYXRpb24s IG9ubHkNCnRoZSBTUkUgYml0IGlzIHVzZWQsIHNvIGl0J3Mgbm90IHNwb3R0ZWQgaW4gdGVzdGlu Zy4NCg0KUmVnYXJkcywNCllpIExpdQ0K 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,URIBL_BLOCKED autolearn=no 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 39521C43331 for ; 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Fri, 3 Apr 2020 07:29:44 -0700 Received: from shsmsx102.ccr.corp.intel.com (10.239.4.154) by fmsmsx110.amr.corp.intel.com (10.18.116.10) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 3 Apr 2020 07:29:44 -0700 Received: from shsmsx104.ccr.corp.intel.com ([169.254.5.225]) by shsmsx102.ccr.corp.intel.com ([169.254.2.138]) with mapi id 14.03.0439.000; Fri, 3 Apr 2020 22:29:40 +0800 From: "Liu, Yi L" To: Peter Xu Subject: RE: [PATCH v2 15/22] intel_iommu: bind/unbind guest page table to host Thread-Topic: [PATCH v2 15/22] intel_iommu: bind/unbind guest page table to host Thread-Index: AQHWBkplKGJEo59YsUeJrUOkrr1+EKhloPgAgAHaffA= Date: Fri, 3 Apr 2020 14:29:39 +0000 Message-ID: References: <1585542301-84087-1-git-send-email-yi.l.liu@intel.com> <1585542301-84087-16-git-send-email-yi.l.liu@intel.com> <20200402180920.GD103677@xz-x1> In-Reply-To: <20200402180920.GD103677@xz-x1> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.2.0.6 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 192.55.52.120 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "jean-philippe@linaro.org" , "Tian, Kevin" , Jacob Pan , Yi Sun , "kvm@vger.kernel.org" , "mst@redhat.com" , "Tian, Jun J" , "qemu-devel@nongnu.org" , "eric.auger@redhat.com" , "alex.williamson@redhat.com" , "pbonzini@redhat.com" , "Wu, Hao" , "Sun, Yi Y" , Richard Henderson , "david@gibson.dropbear.id.au" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" PiBGcm9tOiBQZXRlciBYdSA8cGV0ZXJ4QHJlZGhhdC5jb20+DQo+IFNlbnQ6IEZyaWRheSwgQXBy aWwgMywgMjAyMCAyOjA5IEFNDQo+IFRvOiBMaXUsIFlpIEwgPHlpLmwubGl1QGludGVsLmNvbT4N Cj4gU3ViamVjdDogUmU6IFtQQVRDSCB2MiAxNS8yMl0gaW50ZWxfaW9tbXU6IGJpbmQvdW5iaW5k IGd1ZXN0IHBhZ2UgdGFibGUgdG8gaG9zdA0KPiANCj4gT24gU3VuLCBNYXIgMjksIDIwMjAgYXQg MDk6MjQ6NTRQTSAtMDcwMCwgTGl1IFlpIEwgd3JvdGU6DQo+ID4gK3N0YXRpYyBpbnQgdnRkX2Jp bmRfZ3Vlc3RfcGFzaWQoSW50ZWxJT01NVVN0YXRlICpzLCBWVERCdXMgKnZ0ZF9idXMsDQo+ID4g KyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgaW50IGRldmZuLCBpbnQgcGFzaWQsIFZU RFBBU0lERW50cnkgKnBlLA0KPiA+ICsgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIFZU RFBBU0lET3Agb3ApIHsNCj4gPiArICAgIFZUREhvc3RJT01NVUNvbnRleHQgKnZ0ZF9kZXZfaWN4 Ow0KPiA+ICsgICAgSG9zdElPTU1VQ29udGV4dCAqaW9tbXVfY3R4Ow0KPiA+ICsgICAgRHVhbElP TU1VU3RhZ2UxQmluZERhdGEgKmJpbmRfZGF0YTsNCj4gPiArICAgIHN0cnVjdCBpb21tdV9ncGFz aWRfYmluZF9kYXRhICpnX2JpbmRfZGF0YTsNCj4gPiArICAgIGludCByZXQgPSAtMTsNCj4gPiAr DQo+ID4gKyAgICB2dGRfZGV2X2ljeCA9IHZ0ZF9idXMtPmRldl9pY3hbZGV2Zm5dOw0KPiA+ICsg ICAgaWYgKCF2dGRfZGV2X2ljeCkgew0KPiA+ICsgICAgICAgIC8qIG1lYW5zIG5vIG5lZWQgdG8g Z28gZnVydGhlciwgZS5nLiBmb3IgZW11bGF0ZWQgZGV2aWNlcyAqLw0KPiA+ICsgICAgICAgIHJl dHVybiAwOw0KPiA+ICsgICAgfQ0KPiA+ICsNCj4gPiArICAgIGlvbW11X2N0eCA9IHZ0ZF9kZXZf aWN4LT5pb21tdV9jdHg7DQo+ID4gKyAgICBpZiAoIWlvbW11X2N0eCkgew0KPiA+ICsgICAgICAg IHJldHVybiAtRUlOVkFMOw0KPiA+ICsgICAgfQ0KPiA+ICsNCj4gPiArICAgIGlmICghKGlvbW11 X2N0eC0+c3RhZ2UxX2Zvcm1hdHMNCj4gPiArICAgICAgICAgICAgICYgSU9NTVVfUEFTSURfRk9S TUFUX0lOVEVMX1ZURCkpIHsNCj4gPiArICAgICAgICBlcnJvcl9yZXBvcnRfb25jZSgiSU9NTVUg U3RhZ2UgMSBmb3JtYXQgaXMgbm90IGNvbXBhdGlibGUhXG4iKTsNCj4gPiArICAgICAgICByZXR1 cm4gLUVJTlZBTDsNCj4gPiArICAgIH0NCj4gPiArDQo+ID4gKyAgICBiaW5kX2RhdGEgPSBnX21h bGxvYzAoc2l6ZW9mKCpiaW5kX2RhdGEpKTsNCj4gPiArICAgIGJpbmRfZGF0YS0+cGFzaWQgPSBw YXNpZDsNCj4gPiArICAgIGdfYmluZF9kYXRhID0gJmJpbmRfZGF0YS0+YmluZF9kYXRhLmdwYXNp ZF9iaW5kOw0KPiA+ICsNCj4gPiArICAgIGdfYmluZF9kYXRhLT5mbGFncyA9IDA7DQo+ID4gKyAg ICBnX2JpbmRfZGF0YS0+dnRkLmZsYWdzID0gMDsNCj4gPiArICAgIHN3aXRjaCAob3ApIHsNCj4g PiArICAgIGNhc2UgVlREX1BBU0lEX0JJTkQ6DQo+ID4gKyAgICAgICAgZ19iaW5kX2RhdGEtPnZl cnNpb24gPSBJT01NVV9VQVBJX1ZFUlNJT047DQo+ID4gKyAgICAgICAgZ19iaW5kX2RhdGEtPmZv cm1hdCA9IElPTU1VX1BBU0lEX0ZPUk1BVF9JTlRFTF9WVEQ7DQo+ID4gKyAgICAgICAgZ19iaW5k X2RhdGEtPmdwZ2QgPSB2dGRfcGVfZ2V0X2ZscHRfYmFzZShwZSk7DQo+ID4gKyAgICAgICAgZ19i aW5kX2RhdGEtPmFkZHJfd2lkdGggPSB2dGRfcGVfZ2V0X2ZsX2F3KHBlKTsNCj4gPiArICAgICAg ICBnX2JpbmRfZGF0YS0+aHBhc2lkID0gcGFzaWQ7DQo+ID4gKyAgICAgICAgZ19iaW5kX2RhdGEt PmdwYXNpZCA9IHBhc2lkOw0KPiA+ICsgICAgICAgIGdfYmluZF9kYXRhLT5mbGFncyB8PSBJT01N VV9TVkFfR1BBU0lEX1ZBTDsNCj4gPiArICAgICAgICBnX2JpbmRfZGF0YS0+dnRkLmZsYWdzID0N Cj4gPiArICAgICAgICAgICAgICAgICAgICAgICAgICAgICAoVlREX1NNX1BBU0lEX0VOVFJZX1NS RV9CSVQocGUtPnZhbFsyXSkNCj4gPiArID8gMSA6IDApDQo+IA0KPiBUaGlzIGV2YWx1YXRlcyB0 byAxIGlmIFZURF9TTV9QQVNJRF9FTlRSWV9TUkVfQklUKHBlLT52YWxbMl0pLCBvciAwLg0KPiBE byB5b3Ugd2FudCB0byB1c2UgSU9NTVVfU1ZBX1ZURF9HUEFTSURfU1JFIGluc3RlYWQgb2YgMT8g IFNhbWUgcXVlc3Rpb24gdG8NCj4gYWxsIHRoZSByZXN0Lg0KDQpvb3BzLCB5ZXMgaXQgaXMuIHlv dSBhcmUgcmlnaHQuIHRoYW5rcyBmb3IgY2F0Y2hpbmcgaXQuIER1cmluZyB2ZXJpZmljYXRpb24s IG9ubHkNCnRoZSBTUkUgYml0IGlzIHVzZWQsIHNvIGl0J3Mgbm90IHNwb3R0ZWQgaW4gdGVzdGlu Zy4NCg0KUmVnYXJkcywNCllpIExpdQ0K