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Mon, 11 Jun 2018 19:23:30 -0700 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.51]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.116]) with mapi id 14.03.0319.002; Tue, 12 Jun 2018 10:23:28 +0800 From: "Liu, Jingqi" To: "mingo@redhat.com" , "tglx@linutronix.de" , Paolo Bonzini CC: "rkrcmar@redhat.com" , "hpa@zytor.com" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "Wang, Wei W" Subject: RE: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM Thread-Topic: [PATCH] KVM: x86: Expose CLDEMOTE CPU feature to guest VM Thread-Index: AQHT4oTLVZ7bVXQVyEOX5Fg+CwVuNaQj9i6AgDgk3xA= Date: Tue, 12 Jun 2018 02:23:28 +0000 Message-ID: <09D68D4CF52CAF489B702DEBDD12D3D352732B95@SHSMSX103.ccr.corp.intel.com> References: <1525406146-54791-1-git-send-email-jingqi.liu@intel.com> In-Reply-To: Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ctpclassification: CTP_NT x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiMDdmZDVmMWQtZWFkNC00MTFkLWE2ZmMtZDViZjhhY2Y1NmI0IiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiR2pNTTlUV2tYYSthdW1lSEVXR2dMYzdLelNIS3hEWXZFZFFsQVdHT2tlVWZjSG93UjhGUmZnTkgxUEtlREIxNyJ9 dlp-product: dlpe-windows dlp-version: 11.0.200.100 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org T24gNS84LzIwMTggMTI6MzAgQU0sIFBhb2xvIEJvbnppbmkgd3JvdGU6DQoNCj4gDQo+IE9uIDA0 LzA1LzIwMTggMDU6NTUsIEppbmdxaSBMaXUgd3JvdGU6DQo+ID4gVGhlIENMREVNT1RFIGluc3Ry dWN0aW9uIGhpbnRzIHRvIGhhcmR3YXJlIHRoYXQgdGhlIGNhY2hlIGxpbmUgdGhhdA0KPiA+IGNv bnRhaW5zIHRoZSBsaW5lYXIgYWRkcmVzcyBzaG91bGQgYmUgbW92ZWQoImRlbW90ZWQiKSBmcm9t IHRoZQ0KPiA+IGNhY2hlKHMpIGNsb3Nlc3QgdG8gdGhlIHByb2Nlc3NvciBjb3JlIHRvIGEgbGV2 ZWwgbW9yZSBkaXN0YW50IGZyb20NCj4gPiB0aGUgcHJvY2Vzc29yIGNvcmUuIFRoaXMgbWF5IGFj Y2VsZXJhdGUgc3Vic2VxdWVudCBhY2Nlc3NlcyB0byB0aGUNCj4gPiBsaW5lIGJ5IG90aGVyIGNv cmVzIGluIHRoZSBzYW1lIGNvaGVyZW5jZSBkb21haW4sIGVzcGVjaWFsbHkgaWYgdGhlDQo+ID4g bGluZSB3YXMgd3JpdHRlbiBieSB0aGUgY29yZSB0aGF0IGRlbW90ZXMgdGhlIGxpbmUuDQo+ID4N Cj4gPiBUaGlzIHBhdGNoIGV4cG9zZXMgdGhlIGNsZGVtb3RlIGZlYXR1cmUgdG8gdGhlIGd1ZXN0 Lg0KPiA+DQo+ID4gVGhlIHJlbGVhc2UgZG9jdW1lbnQgcmVmIGJlbG93IGxpbms6DQo+ID4gaHR0 cHM6Ly9zb2Z0d2FyZS5pbnRlbC5jb20vc2l0ZXMvZGVmYXVsdC9maWxlcy9tYW5hZ2VkL2M1LzE1 L1wNCj4gPiBhcmNoaXRlY3R1cmUtaW5zdHJ1Y3Rpb24tc2V0LWV4dGVuc2lvbnMtcHJvZ3JhbW1p bmctcmVmZXJlbmNlLnBkZg0KPiA+IFRoaXMgcGF0Y2ggaGFzIGEgZGVwZW5kZW5jeSBvbiBodHRw czovL2xrbWwub3JnL2xrbWwvMjAxOC80LzIzLzkyOA0KPiA+DQo+ID4gU2lnbmVkLW9mZi1ieTog SmluZ3FpIExpdSA8amluZ3FpLmxpdUBpbnRlbC5jb20+DQo+ID4gU2lnbmVkLW9mZi1ieTogV2Vp IFdhbmcgPHdlaS53LndhbmdAaW50ZWwuY29tPg0KPiANCj4gVGhhbmtzLiAgTm90ZSB0aGF0IHRo ZSBTaWduZWQtb2ZmLWJ5IGNoYWluIGZvciB0aGUgcGF0Y2ggbG9va3Mgc3RyYW5nZSwgdGhlDQo+ IHN1Ym1pdHRlciBzaG91bGQgYmUgdGhlIGxhc3QgKGJlY2F1c2UgaXQgaXMgYSBjaGFpbikuDQo+ IA0KPiBJbiB0aGUgbWVhbndoaWxlLCBJbmdvLCBUaG9tYXMsIHdvdWxkIGl0IGJlIHBvc3NpYmxl IHRvIGdldCBhIHRvcGljIGJyYW5jaCBmb3INCj4gdGhhdCBwYXRjaCAoIltQQVRDSF0geDg2L2Nw dWZlYXR1cmVzOiBFbnVtZXJhdGUgY2xkZW1vdGUgaW5zdHJ1Y3Rpb24iKT8NCj4gDQoNCkkgaGFk IHJlLXNlbnQgdGhlIHBhdGNoOiBodHRwczovL2xrbWwub3JnL2xrbWwvMjAxOC81LzIxLzkxDQoN CkhpIEluZ28sIFRob21hcywNCldvdWxkIGl0IGJlIHBvc3NpYmxlIHRvIGdldCBhIHRvcGljIGJy YW5jaCBmb3IgdGhhdCBwYXRjaCAoIltQQVRDSF0geDg2L2NwdWZlYXR1cmVzOiBFbnVtZXJhdGUg Y2xkZW1vdGUgaW5zdHJ1Y3Rpb24iKT8NCg0KSGkgUGFvbG8sDQpDb3VsZCB5b3UgaGVscCB0byBy ZXZpZXcgdGhpcyBwYXRjaCA/DQoNClRoYW5rcw0KSmluZ3FpDQoNCj4gVGhhbmtzLA0KPiANCj4g UGFvbG8NCj4gDQo+IA0KPiA+IC0tLQ0KPiA+ICBhcmNoL3g4Ni9rdm0vY3B1aWQuYyB8IDMgKyst DQo+ID4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkNCj4g Pg0KPiA+IGRpZmYgLS1naXQgYS9hcmNoL3g4Ni9rdm0vY3B1aWQuYyBiL2FyY2gveDg2L2t2bS9j cHVpZC5jIGluZGV4DQo+ID4gODIwNTViOS4uNzJkOGM0OSAxMDA2NDQNCj4gPiAtLS0gYS9hcmNo L3g4Ni9rdm0vY3B1aWQuYw0KPiA+ICsrKyBiL2FyY2gveDg2L2t2bS9jcHVpZC5jDQo+ID4gQEAg LTQwMyw3ICs0MDMsOCBAQCBzdGF0aWMgaW5saW5lIGludCBfX2RvX2NwdWlkX2VudChzdHJ1Y3QN Cj4ga3ZtX2NwdWlkX2VudHJ5MiAqZW50cnksIHUzMiBmdW5jdGlvbiwNCj4gPiAgCWNvbnN0IHUz MiBrdm1fY3B1aWRfN18wX2VjeF94ODZfZmVhdHVyZXMgPQ0KPiA+ICAJCUYoQVZYNTEyVkJNSSkg fCBGKExBNTcpIHwgRihQS1UpIHwgMCAvKk9TUEtFKi8gfA0KPiA+ICAJCUYoQVZYNTEyX1ZQT1BD TlREUSkgfCBGKFVNSVApIHwgRihBVlg1MTJfVkJNSTIpIHwgRihHRk5JKQ0KPiB8DQo+ID4gLQkJ RihWQUVTKSB8IEYoVlBDTE1VTFFEUSkgfCBGKEFWWDUxMl9WTk5JKSB8DQo+IEYoQVZYNTEyX0JJ VEFMRyk7DQo+ID4gKwkJRihWQUVTKSB8IEYoVlBDTE1VTFFEUSkgfCBGKEFWWDUxMl9WTk5JKSB8 DQo+IEYoQVZYNTEyX0JJVEFMRykgfA0KPiA+ICsJCUYoQ0xERU1PVEUpOw0KPiA+DQo+ID4gIAkv KiBjcHVpZCA3LjAuZWR4Ki8NCj4gPiAgCWNvbnN0IHUzMiBrdm1fY3B1aWRfN18wX2VkeF94ODZf ZmVhdHVyZXMgPQ0KPiA+DQoNCg==