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d="scan'208";a="2071469" From: Paul Durrant To: 'Alexandru Stefan ISAILA' , "xen-devel@lists.xenproject.org" Thread-Topic: [Xen-devel] [PATCH v2] viridian: unify time sources Thread-Index: AQHVJOYEKpYlKKXKuECuo6GB2lf0qqamBPOAgAAim3A= Date: Fri, 21 Jun 2019 13:58:57 +0000 Message-ID: References: <20190617082358.2734-1-paul.durrant@citrix.com> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted MIME-Version: 1.0 Subject: Re: [Xen-devel] [PATCH v2] viridian: unify time sources X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , Jan Beulich , Wei Liu , Roger Pau Monne Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" PiAtLS0tLU9yaWdpbmFsIE1lc3NhZ2UtLS0tLQ0KPiBGcm9tOiBBbGV4YW5kcnUgU3RlZmFuIElT QUlMQSA8YWlzYWlsYUBiaXRkZWZlbmRlci5jb20+DQo+IFNlbnQ6IDIxIEp1bmUgMjAxOSAxNDo0 OQ0KPiBUbzogUGF1bCBEdXJyYW50IDxQYXVsLkR1cnJhbnRAY2l0cml4LmNvbT47IHhlbi1kZXZl bEBsaXN0cy54ZW5wcm9qZWN0Lm9yZw0KPiBDYzogQW5kcmV3IENvb3BlciA8QW5kcmV3LkNvb3Bl cjNAY2l0cml4LmNvbT47IFdlaSBMaXUgPHdsQHhlbi5vcmc+OyBKYW4gQmV1bGljaCA8amJldWxp Y2hAc3VzZS5jb20+Ow0KPiBSb2dlciBQYXUgTW9ubmUgPHJvZ2VyLnBhdUBjaXRyaXguY29tPg0K PiBTdWJqZWN0OiBSZTogW1hlbi1kZXZlbF0gW1BBVENIIHYyXSB2aXJpZGlhbjogdW5pZnkgdGlt ZSBzb3VyY2VzDQo+IA0KPiA+ICAgLyoNCj4gPiBAQCAtMTM2LDcgKzEwMCw3IEBAIHN0YXRpYyBp bnQ2NF90IHRpbWVfcmVmX2NvdW50KGNvbnN0IHN0cnVjdCBkb21haW4gKmQpDQo+ID4gICAgKiAx MjggYml0IG51bWJlciB3aGljaCBpcyB0aGVuIHNoaWZ0ZWQgNjQgdGltZXMgdG8gdGhlIHJpZ2h0 IHRvIG9idGFpbg0KPiA+ICAgICogdGhlIGhpZ2ggNjQgYml0cy4iDQo+ID4gICAgKi8NCj4gDQo+ IElzIHRoZXJlIGEgZ29vZCByZWFzb24gZm9yIHVzaW5nIHNpZ25lZCBvZmZzZXQgaGVyZT8gSWYg c28gdGhlbiBtYXliZQ0KPiB5b3Ugc2hvdWxkIGNoYW5nZSB0aGUgcmV0dXJuIHR5cGUgb3IgY2hl Y2sgZm9yIGJvdW5kcy4NCg0KVGhlIG9mZnNldCBpcyBhY3R1YWxseSBuZWdhdGl2ZSBtb3N0IG9m IHRoZSB0aW1lIGJ1dCB0aGUgcmVzdWx0aW5nIHJlZmVyZW5jZSB0aW1lIHNob3VsZCBiZSB1bnNp Z25lZCBzbyB0aGUgcmV0dXJuIHR5cGUgb2YgdGltZV9yZWZfY291bnQoKSBkb2VzIG5lZWQgZml4 aW5nLg0KDQogIFBhdWwNCg0KPg0KPiA+IC1zdGF0aWMgdWludDY0X3Qgc2NhbGVfdHNjKHVpbnQ2 NF90IHRzYywgdWludDY0X3Qgc2NhbGUsIHVpbnQ2NF90IG9mZnNldCkNCj4gPiArc3RhdGljIHVp bnQ2NF90IHNjYWxlX3RzYyh1aW50NjRfdCB0c2MsIHVpbnQ2NF90IHNjYWxlLCBpbnQ2NF90IG9m ZnNldCkNCj4gPiAgIHsNCj4gPiAgICAgICB1aW50NjRfdCByZXN1bHQ7DQo+ID4NCj4gPiBAQCAt MTUzLDIyICsxMTcsNDYgQEAgc3RhdGljIHVpbnQ2NF90IHNjYWxlX3RzYyh1aW50NjRfdCB0c2Ms IHVpbnQ2NF90IHNjYWxlLCB1aW50NjRfdCBvZmZzZXQpDQo+ID4gICAgICAgcmV0dXJuIHJlc3Vs dCArIG9mZnNldDsNCj4gPiAgIH0NCj4gPg0KPiA+IC1zdGF0aWMgdWludDY0X3QgdGltZV9ub3co c3RydWN0IGRvbWFpbiAqZCkNCj4gPiArc3RhdGljIHVpbnQ2NF90IHRyY192YWwoY29uc3Qgc3Ry dWN0IGRvbWFpbiAqZCwgaW50NjRfdCBvZmZzZXQpDQo+ID4gICB7DQo+ID4gICAgICAgdWludDY0 X3QgdHNjLCBzY2FsZTsNCj4gPg0KPiA+IC0gICAgLyoNCj4gPiAtICAgICAqIElmIHRoZSByZWZl cmVuY2UgVFNDIHBhZ2UgaXMgbm90IGVuYWJsZWQsIG9yIGhhcyBiZWVuIGludmFsaWRhdGVkDQo+ ID4gLSAgICAgKiBmYWxsIGJhY2sgdG8gdGhlIHBhcnRpdGlvbiByZWZlcmVuY2UgY291bnRlci4N Cj4gPiAtICAgICAqLw0KPiA+IC0gICAgaWYgKCAhZC0+YXJjaC5odm0udmlyaWRpYW4tPnJlZmVy ZW5jZV90c2NfdmFsaWQgKQ0KPiA+IC0gICAgICAgIHJldHVybiB0aW1lX3JlZl9jb3VudChkKTsN Cj4gPiAtDQo+ID4gLSAgICAvKiBPdGhlcndpc2UgY29tcHV0ZSByZWZlcmVuY2UgdGltZSBpbiB0 aGUgc2FtZSB3YXkgdGhlIGd1ZXN0IHdvdWxkICovDQo+ID4gICAgICAgdHNjID0gaHZtX2dldF9n dWVzdF90c2MocHRfZ2xvYmFsX3ZjcHVfdGFyZ2V0KGQpKTsNCj4gPiAgICAgICBzY2FsZSA9ICgo MTAwMDB1bCA8PCAzMikgLyBkLT5hcmNoLnRzY19raHopIDw8IDMyOw0KPiA+DQo+ID4gLSAgICBy ZXR1cm4gc2NhbGVfdHNjKHRzYywgc2NhbGUsIDApOw0KPiA+ICsgICAgcmV0dXJuIHNjYWxlX3Rz Yyh0c2MsIHNjYWxlLCBvZmZzZXQpOw0KPiA+ICt9DQo+IA0KPiBBbGV4DQpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0 Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qu b3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs