From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Dong, Eddie" Subject: Re: Discussion about virtual iommu support for Xen guest Date: Thu, 26 May 2016 08:42:15 +0000 Message-ID: References: <5746B3FA.6020401@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <5746B3FA.6020401@intel.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: "Lan, Tianyu" , "jbeulich@suse.com" , "sstabellini@kernel.org" , "ian.jackson@eu.citrix.com" , "xen-devel@lists.xensource.com" , "Tian, Kevin" , "Nakajima, Jun" , "yang.zhang.wz@gmail.com" , "anthony.perard@citrix.com" List-Id: xen-devel@lists.xenproject.org SWYgZW5hYmxpbmcgdmlydHVhbCBRMzUgc29sdmVzIHRoZSBwcm9ibGVtLCBpdCBoYXMgdGhlIGFk dmFudGFnZTogV2hlbiBtb3JlIGFuZCBtb3JlIHZpcnR1YWwgSU9NTVUgZmVhdHVyZSBjb21lcyAo bGlrZWx5KSwgd2UgY2FuIHJldXNlIHRoZSBLVk0gY29kZSBmb3IgWGVuLg0KSG93IGJpZyBpcyB0 aGUgZWZmb3J0IGZvciB2aXJ0dWFsIFEzNT8NCg0KVGh4IEVkZGllDQoNCj4gLS0tLS1PcmlnaW5h bCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogTGFuLCBUaWFueXUNCj4gU2VudDogVGh1cnNkYXksIE1h eSAyNiwgMjAxNiA0OjMwIFBNDQo+IFRvOiBqYmV1bGljaEBzdXNlLmNvbTsgc3N0YWJlbGxpbmlA a2VybmVsLm9yZzsgaWFuLmphY2tzb25AZXUuY2l0cml4LmNvbTsNCj4geGVuLWRldmVsQGxpc3Rz LnhlbnNvdXJjZS5jb207IFRpYW4sIEtldmluIDxrZXZpbi50aWFuQGludGVsLmNvbT47IERvbmcs DQo+IEVkZGllIDxlZGRpZS5kb25nQGludGVsLmNvbT47IE5ha2FqaW1hLCBKdW4gPGp1bi5uYWth amltYUBpbnRlbC5jb20+Ow0KPiB5YW5nLnpoYW5nLnd6QGdtYWlsLmNvbTsgYW50aG9ueS5wZXJh cmRAY2l0cml4LmNvbQ0KPiBTdWJqZWN0OiBEaXNjdXNzaW9uIGFib3V0IHZpcnR1YWwgaW9tbXUg c3VwcG9ydCBmb3IgWGVuIGd1ZXN0DQo+IA0KPiBIaSBBbGw6DQo+IFdlIHRyeSBwdXNoaW5nIHZp cnR1YWwgaW9tbXUgc3VwcG9ydCBmb3IgWGVuIGd1ZXN0IGFuZCB0aGVyZSBhcmUgc29tZQ0KPiBm ZWF0dXJlcyBibG9ja2VkIGJ5IGl0Lg0KPiANCj4gTW90aXZhdGlvbjoNCj4gLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0NCj4gMSkgQWRkIFNWTShTaGFyZWQgVmlydHVhbCBNZW1vcnkpIHN1cHBvcnQg Zm9yIFhlbiBndWVzdCBUbyBzdXBwb3J0IGlHRlgNCj4gcGFzcy10aHJvdWdoIGZvciBTVk0gZW5h YmxlZCBkZXZpY2VzLCBpdCByZXF1aXJlcyB2aXJ0dWFsIGlvbW11IHN1cHBvcnQgdG8NCj4gZW11 bGF0ZSByZWxhdGVkIHJlZ2lzdGVycyBhbmQgaW50ZXJjZXB0L2hhbmRsZSBndWVzdCBTVk0gY29u ZmlndXJlIGluIHRoZQ0KPiBWTU0uDQo+IA0KPiAyKSBJbmNyZWFzZSBtYXggdmNwdSBzdXBwb3J0 IGZvciBvbmUgVk0uDQo+IA0KPiBTbyBmYXIsIG1heCB2Y3B1IGZvciBYZW4gaHZtIGd1ZXN0IGlz IDEyOC4gRm9yIEhQQyhIaWdoIFBlcmZvcm1hbmNlDQo+IENvbXB1dGluZykgY2xvdWQgY29tcHV0 aW5nLCBpdCByZXF1aXJlcyBtb3JlIHZjcHVzIHN1cHBvcnQgaW4gYSBzaW5nbGUgVk0uDQo+IFRo ZSB1c2FnZSBtb2RlbCBpcyB0byBjcmVhdGUganVzdCBvbmUgVk0gb24gYSBtYWNoaW5lIHdpdGgg dGhlIHNhbWUgbnVtYmVyDQo+IHZjcHVzIGFzIGxvZ2ljYWwgY3B1cyBvbiB0aGUgaG9zdCBhbmQg cGluIHZjcHUgb24gZWFjaCBsb2dpY2FsIGNwdSBpbiBvcmRlciB0byBnZXQNCj4gZ29vZCBjb21w dXRlIHBlcmZvcm1hbmNlLg0KPiANCj4gSW50ZWwgWGVvbiBwaGkgS05MKEtuaWdodHMgTGFuZGlu ZykgaXMgZGVkaWNhdGVkIHRvIEhQQyBtYXJrZXQgYW5kIHN1cHBvcnRzDQo+IDI4OCBsb2dpY2Fs IGNwdXMuIFNvIHdlIGhvcGUgVk0gY2FuIHN1cHBvcnQgMjg4IHZjcHUgdG8gbWVldCBIUEMNCj4g cmVxdWlyZW1lbnQuDQo+IA0KPiBDdXJyZW50IExpbnV4IGtlcm5lbCByZXF1aXJlcyBJUihpbnRl cnJ1cHQgcmVtYXBwaW5nKSB3aGVuIE1BWCBBUElDIElEIGlzID4NCj4gMjU1IGJlY2F1c2UgaW50 ZXJydXB0IG9ubHkgY2FuIGJlIGRlbGl2ZXJlZCBhbW9uZyAwfjI1NSBjcHVzIHdpdGhvdXQgSVIu IElSIGluDQo+IFZNIHJlbGllcyBvbiB0aGUgdmlydHVhbCBpb21tdSBzdXBwb3J0Lg0KPiANCj4g S1ZNIFZpcnR1YWwgaW9tbXUgc3VwcG9ydCBzdGF0dXMNCj4gLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tDQo+IEN1cnJlbnQsIFFlbXUgaGFzIGEgYmFzaWMgdmlydHVhbCBpb21tdSB0byBkbyBhZGRy ZXNzIHRyYW5zbGF0aW9uIGZvciB2aXJ0dWFsDQo+IGRldmljZSBhbmQgaXQgb25seSB3b3JrcyBm b3IgdGhlIFEzNSBtYWNoaW5lIHR5cGUuIEtWTSByZXVzZXMgaXQgYW5kIFJlZGhhdCBpcw0KPiBh ZGRpbmcgSVIgdG8gc3VwcG9ydCBtb3JlIHRoYW4gMjU1IHZjcHVzLg0KPiANCj4gSG93IHRvIGFk ZCB2aXJ0dWFsIGlvbW11IGZvciBYZW4/DQo+IC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0NCj4g Rmlyc3QgaWRlYSBjYW1lIHRvIG15IG1pbmQgaXMgdG8gcmV1c2UgUWVtdSB2aXJ0dWFsIGlvbW11 IGJ1dCBYZW4gZGlkbid0DQo+IHN1cHBvcnQgUTM1IHNvIGZhci4gRW5hYmxpbmcgUTM1IGZvciBY ZW4gc2VlbXMgbm90IGEgc2hvcnQgdGVybSB0YXNrLg0KPiBBbnRob255IGRpZCBzb21lIHJlbGF0 ZWQgam9icyBiZWZvcmUuDQo+IA0KPiBJJ2QgbGlrZSB0byBzZWUgeW91ciBjb21tZW50cyBhYm91 dCBob3cgdG8gaW1wbGVtZW50IHZpcnR1YWwgaW9tbXUgZm9yIFhlbi4NCj4gDQo+IDEpIFJldXNl IFFlbXUgdmlydHVhbCBpb21tdSBvciB3cml0ZSBhIHNlcGFyYXRlIG9uZSBmb3IgWGVuPw0KPiAy KSBFbmFibGUgUTM1IGZvciBYZW4gdG8gcmV1c2UgUWVtdSB2aXJ0dWFsIGlvbW11Pw0KPiANCj4g WW91ciBjb21tZW50cyBhcmUgdmVyeSBhcHByZWNpYXRlZC4gVGhhbmtzIGEgbG90Lg0KPiAtLQ0K PiBCZXN0IHJlZ2FyZHMNCj4gVGlhbnl1IExhbg0KX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlz dHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK