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Wed, 27 Jan 2021 17:39:16 +0800 Message-ID: <1611740356.5302.14.camel@mhfsdcap03> Subject: Re: [PATCH v6 07/33] iommu: Avoid reallocate default domain for a group From: Yong Wu To: Will Deacon CC: Joerg Roedel , Rob Herring , Matthias Brugger , Robin Murphy , Krzysztof Kozlowski , Evan Green , Tomasz Figa , , , , , , , , Nicolas Boichat , , Date: Wed, 27 Jan 2021 17:39:16 +0800 In-Reply-To: <20210126222305.GB30460@willie-the-truck> References: <20210111111914.22211-1-yong.wu@mediatek.com> <20210111111914.22211-8-yong.wu@mediatek.com> <20210126222305.GB30460@willie-the-truck> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: F36F529AFC96016349EB7092D40E98B771F9B02D82265433FE286BC98F51FFAC2000:8 X-MTK: N Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org T24gVHVlLCAyMDIxLTAxLTI2IGF0IDIyOjIzICswMDAwLCBXaWxsIERlYWNvbiB3cm90ZToNCj4g T24gTW9uLCBKYW4gMTEsIDIwMjEgYXQgMDc6MTg6NDhQTSArMDgwMCwgWW9uZyBXdSB3cm90ZToN Cj4gPiBJZiBncm91cC0+ZGVmYXVsdF9kb21haW4gZXhpc3RzLCBhdm9pZCByZWFsbG9jYXRlIGl0 Lg0KPiA+IA0KPiA+IEluIHNvbWUgaW9tbXUgZHJpdmVycywgdGhlcmUgbWF5IGJlIHNldmVyYWwg ZGV2aWNlcyBzaGFyZSBhIGdyb3VwLiBBdm9pZA0KPiA+IHJlYWxsb2MgdGhlIGRlZmF1bHQgZG9t YWluIGZvciB0aGlzIGNhc2UuDQo+ID4gDQo+ID4gU2lnbmVkLW9mZi1ieTogWW9uZyBXdSA8eW9u Zy53dUBtZWRpYXRlay5jb20+DQo+ID4gLS0tDQo+ID4gIGRyaXZlcnMvaW9tbXUvaW9tbXUuYyB8 IDMgKystDQo+ID4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24o LSkNCj4gPiANCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9pb21tdS9pb21tdS5jIGIvZHJpdmVy cy9pb21tdS9pb21tdS5jDQo+ID4gaW5kZXggM2QwOTlhMzFkZGNhLi5mNGI4N2U2YWJlODAgMTAw NjQ0DQo+ID4gLS0tIGEvZHJpdmVycy9pb21tdS9pb21tdS5jDQo+ID4gKysrIGIvZHJpdmVycy9p b21tdS9pb21tdS5jDQo+ID4gQEAgLTI2Niw3ICsyNjYsOCBAQCBpbnQgaW9tbXVfcHJvYmVfZGV2 aWNlKHN0cnVjdCBkZXZpY2UgKmRldikNCj4gPiAgCSAqIHN1cHBvcnQgZGVmYXVsdCBkb21haW5z LCBzbyB0aGUgcmV0dXJuIHZhbHVlIGlzIG5vdCB5ZXQNCj4gPiAgCSAqIGNoZWNrZWQuDQo+ID4g IAkgKi8NCj4gPiAtCWlvbW11X2FsbG9jX2RlZmF1bHRfZG9tYWluKGdyb3VwLCBkZXYpOw0KPiA+ ICsJaWYgKCFncm91cC0+ZGVmYXVsdF9kb21haW4pDQo+ID4gKwkJaW9tbXVfYWxsb2NfZGVmYXVs dF9kb21haW4oZ3JvdXAsIGRldik7DQo+IA0KPiBJIGRvbid0IHJlYWxseSBnZXQgd2hhdCB0aGlz IGFjaGlldmVzLCBzaW5jZSBpb21tdV9hbGxvY19kZWZhdWx0X2RvbWFpbigpDQo+IGxvb2tzIGxp a2UgdGhpczoNCj4gDQo+IHN0YXRpYyBpbnQgaW9tbXVfYWxsb2NfZGVmYXVsdF9kb21haW4oc3Ry dWN0IGlvbW11X2dyb3VwICpncm91cCwNCj4gCQkJCSAgICAgIHN0cnVjdCBkZXZpY2UgKmRldikN Cj4gew0KPiAJdW5zaWduZWQgaW50IHR5cGU7DQo+IA0KPiAJaWYgKGdyb3VwLT5kZWZhdWx0X2Rv bWFpbikNCj4gCQlyZXR1cm4gMDsNCj4gDQo+IAkuLi4NCj4gDQo+IGluIHdoaWNoIGNhc2UsIGl0 IHNob3VsZCBiZSBmaW5lPw0KDQpvaC4gc29ycnksIEkgb3Zlcmxvb2tlZCB0aGlzLiB0aGUgY3Vy cmVudCBjb2RlIGlzIGVub3VnaC4NCkkgd2lsbCByZW1vdmUgdGhpcyBwYXRjaC4gYW5kIHNlbmQg dGhlIG5leHQgdmVyc2lvbiBpbiB0aGlzIHdlZWsuDQpUaGFua3MgdmVyeSBtdWNoLg0KDQo+IA0K PiBXaWxsDQoNCg==