From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergey Dyasli Subject: Re: [PATCH v3 5/9] x86/vvmx: make updating shadow EPTP value more efficient Date: Thu, 5 Oct 2017 08:18:57 +0000 Message-ID: <1507191537.3314.3.camel@citrix.com> References: <20171003152104.1432-1-sergey.dyasli@citrix.com> <20171003152104.1432-6-sergey.dyasli@citrix.com> <9f9aad6e-294f-5ed2-36b4-e177e6e48315@citrix.com> <2e7d1d76-978a-6b01-1360-18ffa40282da@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <2e7d1d76-978a-6b01-1360-18ffa40282da@citrix.com> Content-Language: en-US Content-ID: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrew Cooper , "xen-devel@lists.xen.org" Cc: Sergey Dyasli , Kevin Tian , "suravee.suthikulpanit@amd.com" , "jun.nakajima@intel.com" , "Tim (Xen.org)" , George Dunlap , "jbeulich@suse.com" , "boris.ostrovsky@oracle.com" List-Id: xen-devel@lists.xenproject.org T24gV2VkLCAyMDE3LTEwLTA0IGF0IDE1OjU1ICswMTAwLCBBbmRyZXcgQ29vcGVyIHdyb3RlOg0K PiA+ID4gIA0KPiA+ID4gLXZvaWQgdm14X3ZtZW50ZXJfaGVscGVyKGNvbnN0IHN0cnVjdCBjcHVf dXNlcl9yZWdzICpyZWdzKQ0KPiA+ID4gK2ludCB2bXhfdm1lbnRlcl9oZWxwZXIoY29uc3Qgc3Ry dWN0IGNwdV91c2VyX3JlZ3MgKnJlZ3MpDQo+ID4gDQo+ID4gLi4uQW5keSwgZGlkIHlvdSB3YW50 IGEgY29tbWVudCBoZXJlIGV4cGxhaW5pbmcgd2hhdCB0aGUgcmV0dXJuIHZhbHVlIGlzDQo+ID4g c3VwcG9zZWQgdG8gbWVhbj8gKEFuZC9vciBjaGFuZ2luZyB0aGlzIHRvIGEgYm9vbD8pDQo+IA0K PiBEZWZpbml0ZWx5IGEgY29tbWVudCBwbGVhc2UgKGVzcGVjaWFsbHkgYXMgaXQgaXMgbG9naWNh bGx5IGludmVydGVkIGZyb20NCj4gd2hhdCBJIHdvdWxkIGhhdmUgZXhwZWN0ZWQgb3JpZ2luYWxs eSkuDQo+IA0KPiBCb29sIGRlcGVuZGluZyBvbiB3aGV0aGVyIGl0IGFjdHVhbGx5IGhhcyBib29s ZWFuIHByb3BlcnRpZXMgb3Igbm90DQo+ICh3aGljaCB3aWxsIGRlcGVuZCBvbiBob3cgdGhlIGNv bW1lbnQgZW5kcyB1cCBsb29raW5nKS4NCj4gDQo+IH5BbmRyZXcNCg0KQW5kcmV3LA0KDQpBcmUg eW91IGhhcHB5IHdpdGggdGhlIGZvbGxvd2luZyBmaXh1cD8NCg0KZGlmZiAtLWdpdCBhL3hlbi9h cmNoL3g4Ni9odm0vdm14L2VudHJ5LlMgYi94ZW4vYXJjaC94ODYvaHZtL3ZteC9lbnRyeS5TDQpp bmRleCA5ZmI4Zjg5MjIwLi4yNDI2NWViYzA4IDEwMDY0NA0KLS0tIGEveGVuL2FyY2gveDg2L2h2 bS92bXgvZW50cnkuUw0KKysrIGIveGVuL2FyY2gveDg2L2h2bS92bXgvZW50cnkuUw0KQEAgLTgw LDcgKzgwLDcgQEAgVU5MSUtFTFlfRU5EKHJlYWxtb2RlKQ0KwqDCoMKgwqDCoMKgwqDCoMKgbW92 wqDCoCVyc3AsJXJkaQ0KwqDCoMKgwqDCoMKgwqDCoMKgY2FsbCB2bXhfdm1lbnRlcl9oZWxwZXIN CsKgwqDCoMKgwqDCoMKgwqDCoGNtcMKgwqAkMCwlZWF4DQotwqDCoMKgwqDCoMKgwqDCoGpuZSAu THZteF92bWVudHJ5X3Jlc3RhcnQNCivCoMKgwqDCoMKgwqDCoMKgamUgLkx2bXhfdm1lbnRyeV9y ZXN0YXJ0DQrCoMKgwqDCoMKgwqDCoMKgwqBtb3bCoMKgVkNQVV9odm1fZ3Vlc3RfY3IyKCVyYngp LCVyYXgNCsKgDQrCoMKgwqDCoMKgwqDCoMKgwqBwb3DCoMKgJXIxNQ0KZGlmZiAtLWdpdCBhL3hl bi9hcmNoL3g4Ni9odm0vdm14L3ZteC5jIGIveGVuL2FyY2gveDg2L2h2bS92bXgvdm14LmMNCmlu ZGV4IGM5YTQxMTEyNjcuLmQ5YjM1MjAyZjkgMTAwNjQ0DQotLS0gYS94ZW4vYXJjaC94ODYvaHZt L3ZteC92bXguYw0KKysrIGIveGVuL2FyY2gveDg2L2h2bS92bXgvdm14LmMNCkBAIC00MTk3LDcg KzQxOTcsOCBAQCBzdGF0aWMgdm9pZCBsYnJfZml4dXAodm9pZCkNCsKgwqDCoMKgwqDCoMKgwqDC oGJkd19lcnJhdHVtX2JkZjE0X2ZpeHVwKCk7DQrCoH0NCsKgDQotaW50IHZteF92bWVudGVyX2hl bHBlcihjb25zdCBzdHJ1Y3QgY3B1X3VzZXJfcmVncyAqcmVncykNCisvKiBSZXR1cm4gZmFsc2Ug aWYgdGhlIHZtZW50cnkgaGFzIHRvIGJlIHJlc3RhcnRlZCAqLw0KK2Jvb2wgdm14X3ZtZW50ZXJf aGVscGVyKGNvbnN0IHN0cnVjdCBjcHVfdXNlcl9yZWdzICpyZWdzKQ0KwqB7DQrCoMKgwqDCoMKg c3RydWN0IHZjcHUgKmN1cnIgPSBjdXJyZW50Ow0KwqDCoMKgwqDCoHUzMiBuZXdfYXNpZCwgb2xk X2FzaWQ7DQpAQCAtNDIwNiw3ICs0MjA3LDcgQEAgaW50IHZteF92bWVudGVyX2hlbHBlcihjb25z dCBzdHJ1Y3QgY3B1X3VzZXJfcmVncyAqcmVncykNCsKgDQrCoMKgwqDCoMKgLyogU2hhZG93IEVQ VFAgY2FuJ3QgYmUgdXBkYXRlZCBoZXJlIGJlY2F1c2UgaXJxcyBhcmUgZGlzYWJsZWQgKi8NCsKg wqDCoMKgwqDCoGlmICggbmVzdGVkaHZtX3ZjcHVfaW5fZ3Vlc3Rtb2RlKGN1cnIpICYmIHZjcHVf bmVzdGVkaHZtKGN1cnIpLnN0YWxlX25wMm0gKQ0KLcKgwqDCoMKgwqDCoMKgwqDCoHJldHVybiAx Ow0KK8KgwqDCoMKgwqDCoMKgwqDCoHJldHVybiBmYWxzZTsNCsKgDQrCoMKgwqDCoMKgaWYgKCBj dXJyLT5kb21haW4tPmFyY2guaHZtX2RvbWFpbi5waV9vcHMuZG9fcmVzdW1lICkNCsKgwqDCoMKg wqDCoMKgwqDCoGN1cnItPmRvbWFpbi0+YXJjaC5odm1fZG9tYWluLnBpX29wcy5kb19yZXN1bWUo Y3Vycik7DQpAQCAtNDI2OSw3ICs0MjcwLDcgQEAgaW50IHZteF92bWVudGVyX2hlbHBlcihjb25z dCBzdHJ1Y3QgY3B1X3VzZXJfcmVncyAqcmVncykNCsKgwqDCoMKgwqBfX3Ztd3JpdGUoR1VFU1Rf UlNQLMKgwqDCoMKgcmVncy0+cnNwKTsNCsKgwqDCoMKgwqBfX3Ztd3JpdGUoR1VFU1RfUkZMQUdT LCByZWdzLT5yZmxhZ3MgfCBYODZfRUZMQUdTX01CUyk7DQrCoA0KLcKgwqDCoMKgcmV0dXJuIDA7 DQorwqDCoMKgwqByZXR1cm4gdHJ1ZTsNCsKgfQ0KwqANCsKgLyoNCg0KLS0gDQpUaGFua3MsDQpT ZXJnZXkKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVu LWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3Rz Lnhlbi5vcmcveGVuLWRldmVsCg==