From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AFD5ED2F8 for ; Wed, 31 May 2023 09:21:19 +0000 (UTC) Received: from lhrpeml100005.china.huawei.com (unknown [172.18.147.226]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4QWNtB5f9bz6J71d; Wed, 31 May 2023 17:16:18 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (7.191.163.240) by lhrpeml100005.china.huawei.com (7.191.160.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Wed, 31 May 2023 10:21:15 +0100 Received: from lhrpeml500005.china.huawei.com ([7.191.163.240]) by lhrpeml500005.china.huawei.com ([7.191.163.240]) with mapi id 15.01.2507.023; Wed, 31 May 2023 10:21:15 +0100 From: Shameerali Kolothum Thodi To: Joao Martins CC: Jason Gunthorpe , Kevin Tian , "Lu Baolu" , Yi Liu , Yi Y Sun , Eric Auger , Nicolin Chen , Joerg Roedel , Jean-Philippe Brucker , Suravee Suthikulpanit , Will Deacon , Robin Murphy , Alex Williamson , "kvm@vger.kernel.org" , "iommu@lists.linux.dev" Subject: RE: [PATCH RFCv2 24/24] iommu/arm-smmu-v3: Advertise IOMMU_DOMAIN_F_ENFORCE_DIRTY Thread-Topic: [PATCH RFCv2 24/24] iommu/arm-smmu-v3: Advertise IOMMU_DOMAIN_F_ENFORCE_DIRTY Thread-Index: AQHZicpBslUZ4SR8FEqbgFGqVge/dq9y6VZwgABJwwCAAPqi0A== Date: Wed, 31 May 2023 09:21:15 +0000 Message-ID: References: <20230518204650.14541-1-joao.m.martins@oracle.com> <20230518204650.14541-25-joao.m.martins@oracle.com> <244a1a22766e4b46b75a74d202254b0d@huawei.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.202.227.178] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CFilter-Loop: Reflected DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogSm9hbyBNYXJ0aW5zIFtt YWlsdG86am9hby5tLm1hcnRpbnNAb3JhY2xlLmNvbV0NCj4gU2VudDogMzAgTWF5IDIwMjMgMjA6 MjANCj4gVG86IFNoYW1lZXJhbGkgS29sb3RodW0gVGhvZGkgPHNoYW1lZXJhbGkua29sb3RodW0u dGhvZGlAaHVhd2VpLmNvbT4NCj4gQ2M6IEphc29uIEd1bnRob3JwZSA8amdnQG52aWRpYS5jb20+ OyBLZXZpbiBUaWFuIDxrZXZpbi50aWFuQGludGVsLmNvbT47DQo+IEx1IEJhb2x1IDxiYW9sdS5s dUBsaW51eC5pbnRlbC5jb20+OyBZaSBMaXUgPHlpLmwubGl1QGludGVsLmNvbT47IFlpIFkgU3Vu DQo+IDx5aS55LnN1bkBpbnRlbC5jb20+OyBFcmljIEF1Z2VyIDxlcmljLmF1Z2VyQHJlZGhhdC5j b20+OyBOaWNvbGluIENoZW4NCj4gPG5pY29saW5jQG52aWRpYS5jb20+OyBKb2VyZyBSb2VkZWwg PGpvcm9AOGJ5dGVzLm9yZz47IEplYW4tUGhpbGlwcGUNCj4gQnJ1Y2tlciA8amVhbi1waGlsaXBw ZUBsaW5hcm8ub3JnPjsgU3VyYXZlZSBTdXRoaWt1bHBhbml0DQo+IDxzdXJhdmVlLnN1dGhpa3Vs cGFuaXRAYW1kLmNvbT47IFdpbGwgRGVhY29uIDx3aWxsQGtlcm5lbC5vcmc+OyBSb2Jpbg0KPiBN dXJwaHkgPHJvYmluLm11cnBoeUBhcm0uY29tPjsgQWxleCBXaWxsaWFtc29uDQo+IDxhbGV4Lndp bGxpYW1zb25AcmVkaGF0LmNvbT47IGt2bUB2Z2VyLmtlcm5lbC5vcmc7DQo+IGlvbW11QGxpc3Rz LmxpbnV4LmRldg0KPiBTdWJqZWN0OiBSZTogW1BBVENIIFJGQ3YyIDI0LzI0XSBpb21tdS9hcm0t c21tdS12MzogQWR2ZXJ0aXNlDQo+IElPTU1VX0RPTUFJTl9GX0VORk9SQ0VfRElSVFkNCj4gDQo+ IE9uIDMwLzA1LzIwMjMgMTU6MTAsIFNoYW1lZXJhbGkgS29sb3RodW0gVGhvZGkgd3JvdGU6DQo+ ID4+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQo+ID4+IEZyb206IEpvYW8gTWFydGlucyBb bWFpbHRvOmpvYW8ubS5tYXJ0aW5zQG9yYWNsZS5jb21dDQo+ID4+IFNlbnQ6IDE4IE1heSAyMDIz IDIxOjQ3DQo+ID4+IFRvOiBpb21tdUBsaXN0cy5saW51eC5kZXYNCj4gPj4gQ2M6IEphc29uIEd1 bnRob3JwZSA8amdnQG52aWRpYS5jb20+OyBLZXZpbiBUaWFuDQo+IDxrZXZpbi50aWFuQGludGVs LmNvbT47DQo+ID4+IFNoYW1lZXJhbGkgS29sb3RodW0gVGhvZGkgPHNoYW1lZXJhbGkua29sb3Ro dW0udGhvZGlAaHVhd2VpLmNvbT47DQo+IEx1DQo+ID4+IEJhb2x1IDxiYW9sdS5sdUBsaW51eC5p bnRlbC5jb20+OyBZaSBMaXUgPHlpLmwubGl1QGludGVsLmNvbT47IFlpIFkgU3VuDQo+ID4+IDx5 aS55LnN1bkBpbnRlbC5jb20+OyBFcmljIEF1Z2VyIDxlcmljLmF1Z2VyQHJlZGhhdC5jb20+OyBO aWNvbGluIENoZW4NCj4gPj4gPG5pY29saW5jQG52aWRpYS5jb20+OyBKb2VyZyBSb2VkZWwgPGpv cm9AOGJ5dGVzLm9yZz47IEplYW4tUGhpbGlwcGUNCj4gPj4gQnJ1Y2tlciA8amVhbi1waGlsaXBw ZUBsaW5hcm8ub3JnPjsgU3VyYXZlZSBTdXRoaWt1bHBhbml0DQo+ID4+IDxzdXJhdmVlLnN1dGhp a3VscGFuaXRAYW1kLmNvbT47IFdpbGwgRGVhY29uIDx3aWxsQGtlcm5lbC5vcmc+OyBSb2Jpbg0K PiA+PiBNdXJwaHkgPHJvYmluLm11cnBoeUBhcm0uY29tPjsgQWxleCBXaWxsaWFtc29uDQo+ID4+ IDxhbGV4LndpbGxpYW1zb25AcmVkaGF0LmNvbT47IGt2bUB2Z2VyLmtlcm5lbC5vcmc7IEpvYW8g TWFydGlucw0KPiA+PiA8am9hby5tLm1hcnRpbnNAb3JhY2xlLmNvbT4NCj4gPj4gU3ViamVjdDog W1BBVENIIFJGQ3YyIDI0LzI0XSBpb21tdS9hcm0tc21tdS12MzogQWR2ZXJ0aXNlDQo+ID4+IElP TU1VX0RPTUFJTl9GX0VORk9SQ0VfRElSVFkNCj4gPj4NCj4gPj4gTm93IHRoYXQgd2UgcHJvYmUs IGFuZCBoYW5kbGUgdGhlIERCTSBiaXQgbW9kaWZpZXIsIHVuYmxvY2sNCj4gPj4gdGhlIGtBUEkg dXNhZ2UgYnkgZXhwb3NpbmcgdGhlIElPTU1VX0RPTUFJTl9GX0VORk9SQ0VfRElSVFkNCj4gPj4g YW5kIGltcGxlbWVudCBpdCdzIHJlcXVpcmVtZW50IG9mIHJldm9raW5nIGRldmljZSBhdHRhY2ht ZW50DQo+ID4+IGluIHRoZSBpb21tdV9jYXBhYmxlLiBGaW5hbGx5IGV4cG9zZSB0aGUgSU9NTVVf Q0FQX0RJUlRZIHRvDQo+ID4+IHVzZXJzIChJT01NVUZEX0RFVklDRV9HRVRfQ0FQUykuDQo+ID4+ DQo+ID4+IFNpZ25lZC1vZmYtYnk6IEpvYW8gTWFydGlucyA8am9hby5tLm1hcnRpbnNAb3JhY2xl LmNvbT4NCj4gPj4gLS0tDQo+ID4+ICBkcml2ZXJzL2lvbW11L2FybS9hcm0tc21tdS12My9hcm0t c21tdS12My5jIHwgOCArKysrKysrKw0KPiA+PiAgMSBmaWxlIGNoYW5nZWQsIDggaW5zZXJ0aW9u cygrKQ0KPiA+Pg0KPiA+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9pb21tdS9hcm0vYXJtLXNtbXUt djMvYXJtLXNtbXUtdjMuYw0KPiA+PiBiL2RyaXZlcnMvaW9tbXUvYXJtL2FybS1zbW11LXYzL2Fy bS1zbW11LXYzLmMNCj4gPj4gaW5kZXggYmYwYWFjMzMzNzI1Li43MWRkOTVhNjg3ZmQgMTAwNjQ0 DQo+ID4+IC0tLSBhL2RyaXZlcnMvaW9tbXUvYXJtL2FybS1zbW11LXYzL2FybS1zbW11LXYzLmMN Cj4gPj4gKysrIGIvZHJpdmVycy9pb21tdS9hcm0vYXJtLXNtbXUtdjMvYXJtLXNtbXUtdjMuYw0K PiA+PiBAQCAtMjAxNCw2ICsyMDE0LDggQEAgc3RhdGljIGJvb2wgYXJtX3NtbXVfY2FwYWJsZShz dHJ1Y3QgZGV2aWNlDQo+ICpkZXYsDQo+ID4+IGVudW0gaW9tbXVfY2FwIGNhcCkNCj4gPj4gIAkJ cmV0dXJuIG1hc3Rlci0+c21tdS0+ZmVhdHVyZXMgJg0KPiA+PiBBUk1fU01NVV9GRUFUX0NPSEVS RU5DWTsNCj4gPj4gIAljYXNlIElPTU1VX0NBUF9OT0VYRUM6DQo+ID4+ICAJCXJldHVybiB0cnVl Ow0KPiA+PiArCWNhc2UgSU9NTVVfQ0FQX0RJUlRZOg0KPiA+PiArCQlyZXR1cm4gYXJtX3NtbXVf ZGJtX2NhcGFibGUobWFzdGVyLT5zbW11KTsNCj4gPj4gIAlkZWZhdWx0Og0KPiA+PiAgCQlyZXR1 cm4gZmFsc2U7DQo+ID4+ICAJfQ0KPiA+PiBAQCAtMjQzMCw2ICsyNDMyLDExIEBAIHN0YXRpYyBp bnQgYXJtX3NtbXVfYXR0YWNoX2RldihzdHJ1Y3QNCj4gPj4gaW9tbXVfZG9tYWluICpkb21haW4s IHN0cnVjdCBkZXZpY2UgKmRldikNCj4gPj4gIAltYXN0ZXIgPSBkZXZfaW9tbXVfcHJpdl9nZXQo ZGV2KTsNCj4gPj4gIAlzbW11ID0gbWFzdGVyLT5zbW11Ow0KPiA+Pg0KPiA+PiArCWlmIChkb21h aW4tPmZsYWdzICYgSU9NTVVfRE9NQUlOX0ZfRU5GT1JDRV9ESVJUWSAmJg0KPiA+PiArCSAgICAh YXJtX3NtbXVfZGJtX2NhcGFibGUoc21tdSkpDQo+ID4+ICsJCXJldHVybiAtRUlOVkFMOw0KPiA+ PiArDQo+ID4+ICsNCj4gPg0KPiA+IFNpbmNlIHdlIGhhdmUgdGhlIHN1cHBvcnRlZF9mbGFncyBh bHdheXMgc2V0IHRvICINCj4gSU9NTVVfRE9NQUlOX0ZfRU5GT1JDRV9ESVJUWSINCj4gPiBiZWxv dywgcGxhdGZvcm1zIHRoYXQgZG9lc24ndCBoYXZlIERCTSBjYXBhYmlsaXR5IHdpbGwgZmFpbCBo ZXJlLCByaWdodD8NCj4gPiBPciB0aGUgaWRlYSBpcyB0byBzZXQNCj4gPiBkb21haW4gZmxhZyBv bmx5IGlmIHRoZSBjYXBhYmlsaXR5IGlzIHJlcG9ydGVkIHRydWU/IEJ1dCB0aGUNCj4gaW9tbXVf ZG9tYWluX3NldF9mbGFncygpIGRvZXNuJ3QNCj4gPiBzZWVtcyB0byBjaGVjayB0aGUgY2FwYWJp bGl0eSB0aG91Z2guDQo+ID4NCj4gQXMgcG9zdGVkIHRoZSBjaGVja2luZyB3YXMgb25seSB0YWtl IHBsYWNlIGF0IGRldmljZV9hdHRhY2ggKGFuZCB5b3Ugd291bGQNCj4gc2V0DQo+IHRoZSBlbmZv cmNlbWVudCBmbGFnIGlmIGlvbW11ZmQgcmVwb3J0cyB0aGUgY2FwYWJpbGl0eSBmb3IgdGhlIGRl dmljZSB2aWENCj4gSU9NTVVfREVWSUNFX0dFVF9DQVBTKS4NCg0KT2suIFNvIENBUFMgaXMgcmV0 cmlldmVkIGJlZm9yZSB3ZSBzZXQgdGhlIGVuZm9yY2VtZW50IGZsYWcuDQoNCj4gDQo+IEJ1dCB0 aGUgd29ya2Zsb3cgd2lsbCBjaGFuZ2UgYSBiaXQ6IHdoaWxlIHRoZSBlbmZvcmNlbWVudCBhbHNv IHRha2VzIHBsYWNlDQo+IG9uDQo+IGRldmljZSBhdHRhY2gsIGJ1dCB3aGVuIHdlIGNyZWF0ZSBh IEhXUFQgZG9tYWluIHdpdGggZmxhZ3MgKGluDQo+IGRvbWFpbl9hbGxvY191c2VyWzBdKSwgdGhl IGRpcnR5IHRyYWNraW5nIGlzIGFsc28gZ29pbmcgdG8gYmUgY2hlY2tlZCB0aGVyZQ0KPiBhZ2Fp bnN0IHRoZSBkZXZpY2UgcGFzc2VkIGluIGRvbWFpbl9hbGxvY191c2VyKCkgaW4gdGhlIGRyaXZl cg0KPiBpbXBsZW1lbnRhdGlvbi4NCj4gQW5kIG90aGVyd2lzZSBmYWlsIGlmIGRvZXNuJ3Qgc3Vw cG9ydCB3aGVuIGRpcnR5LXRyYWNraW5nIHN1cHBvcnQNCj4gZW5mb3JjZW1lbnQgYXMNCj4gcGFz c2VkIGJ5IGZsYWdzLiBXaGVuIHdlIGRvbid0IHJlcXVlc3QgZGlydHkgdHJhY2tpbmcgdGhlIGlv bW11IG9wcyB0aGF0DQo+IHBlcmZvcm0NCj4gdGhlIGRpcnR5IHRyYWNraW5nIHdpbGwgYWxzbyBi ZSBrZXB0IGNsZWFyZWQuDQoNCk9rLg0KDQo+IA0KPiBbMF0NCj4gaHR0cHM6Ly9sb3JlLmtlcm5l bC5vcmcvbGludXgtaW9tbXUvMjAyMzA1MTExNDM4NDQuMjI2OTMtMi15aS5sLmxpdUBpbnRlDQo+ IGwuY29tLw0KPiANCj4gPiAoVGhpcyBzZWVtcyB0byBiZSBjYXVzaW5nIHByb2JsZW0gd2l0aCBh IHJlYmFzZWQgUWVtdSBicmFuY2ggZm9yIEFSTSBJDQo+IGhhdmUgd2hpbGUgc2FuaXR5DQo+ID4g dGVzdGluZyBvbiBhIHBsYXRmb3JtIHRoYXQgZG9lc24ndCBoYXZlIERCTS4gSSBuZWVkIHRvIGRv dWJsZSBjaGVjaw0KPiB0aG91Z2gpLg0KPiA+DQo+IA0KPiBQZXJoYXBzIGR1ZSB0byB0aGUgYnJv a2VuIGNoZWNrIEkgaGFkIHRoYXQgSSBuZWVkIHZhbGlkYXRlIHRoZSB0d28gYml0cw0KPiB0b2dl dGhlciwgd2hlbiBpdCBkaWRuJ3QgaGFkIERCTSBzZXQ/DQoNCkkgaGF2ZSB0aGF0IGZpeGVkIGlu IG15IGJyYW5jaCBub3cuDQoNCiBPciBJIHN1c3BlY3QgYmVjYXVzZSB0aGUgcWVtdSBsYXN0DQo+ IHBhdGNoIEkNCj4gd2FzIGFsd2F5cyBlbmQgdXAgc2V0dGluZyBJT01NVV9ET01BSU5fRl9FTkZP UkNFX0RJUlRZIFsqXSwgYW5kDQo+IGJlY2F1c2UgdGhlDQo+IGNoZWNraW5nIGlzIGFsd2F5cyBl bmFibGVkIHlvdSBjYW4gbmV2ZXIgYXR0YWNoIGRldmljZXMuDQoNCkFoLi4gdGhpcyBpcyBpdC4g DQoNCj4gWypdIFRoYXQgbGFzdCBwYXRjaCBpc24ndCBxdWl0ZSB0aGVyZSB5ZXQgYXMgaXQgaXMg bWVhbnQgdG8gYmUgdXNpbmcNCj4gZGV2aWNlLWdldC1jYXBzIHByaW9yIHRvIHNldHRpbmcgdGhl IGVuZm9yY2VtZW50LCBsaWtlIHRoZSBzZWxmdGVzdHMNCg0KR290IGl0Lg0KDQpUaGFua3MsDQpT aGFtZWVyDQo=