From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Han, Huaitong" Subject: Re: [PATCH 1/2] Revert "x86/hvm: disable pkeys for guests in non-paging mode" Date: Wed, 31 May 2017 07:09:31 +0000 Message-ID: <1496214571.3661.24.camel@intel.com> References: <1495818213-345-1-git-send-email-andrew.cooper3@citrix.com> <1495818213-345-2-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1495818213-345-2-git-send-email-andrew.cooper3@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.cooper3@citrix.com" Cc: "Tian, Kevin" , "Nakajima, Jun" , "JBeulich@suse.com" , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org T24gRnJpLCAyMDE3LTA1LTI2IGF0IDE4OjAzICswMTAwLCBBbmRyZXcgQ29vcGVyIHdyb3RlOg0K PiBUaGlzIHJldmVydHMgY29tbWl0IGM0MWUwMjY2ZGQ1OWFiNTBiN2ExNTMxNTdlOWJkMmEzYWQx MTRiNTMuDQo+IA0KPiBXaGVuIGRldGVybWluaW5nIEFjY2VzcyBSaWdodHMsIFByb3RlY3Rpb24g S2V5cyBvbmx5IHRha2UgZWZmZWN0IHdoZW4gQ1I0LlBLRQ0KPiBpdCBzZXQsIGFuZCA0LWxldmVs IHBhZ2luZyBpcyBhY3RpdmUuICBBbGwgb3RoZXIgY2lyY3Vtc3RhbmNlcyAobm90aWJseSwgMzJi aXQNCj4gUEFFIHBhZ2luZykgc2tpcCB0aGUgUHJvdGVjdGlvbiBLZXkgY29udHJvbCBtZWNoYW5p c20uDQo+IA0KPiBUaGVyZWZvcmUsIHdlIGRvIG5vdCBuZWVkIHRvIGNsZWFyIENSNC5QS0UgYmVo aW5kIHRoZSBiYWNrIG9mIGEgZ3Vlc3Qgd2hpY2ggaXMNCj4gbm90IHVzaW5nIHBhZ2luZywgYXMg c3VjaCBhIGd1ZXN0IGlzIG5lY2Vzc2VyaWx5IHJ1bm5pbmcgd2l0aCBFRkVSLkxNRQ0KPiBkaXNh YmxlZC4NCg0KWWVzLCBpZiBFRkVSLkxNRSA9IDAsIFByb3RlY3Rpb24gS2V5cyB3b3VsZCB0YWtl IG5vIGVmZmVjdCB0b28sIHNvIGl0DQppc24ndCBuZWNlc3NhcnkgdG8gY2xlYXIgQ1I0LlBLRSBp biBub24tcGFnaW5nIG1vZGUuDQoNCj4gDQo+IFRoZSB7UkQsV1J9UEtSVSBpbnN0cnVjdGlvbnMg YXJlIHNwZWNpZmllZCBhcyBiZWluZyBsZWdhbCBmb3IgdXNlIGluIGFueQ0KPiBvcGVyYXRpbmcg bW9kZSwgYnV0IG9ubHkgaWYgQ1I0LlBLRSBpcyBzZXQuICBCeSBjbGVhcmluZyBDUjQuUEtFIGJl aGluZCB0aGUNCj4gYmFjayBvZiBhbiB1bnBhZ2VkIGd1ZXN0LCB0aGVzZSBpbnN0cnVjdGlvbnMg eWllbGQgI1VEIGRlc3BpdGUgdGhlIGd1ZXN0DQo+IHNlZWluZyBQS0Ugc2V0IGlmIGl0IHJlYWRz IENSNCwgYW5kIE9TUEtFIGJlaW5nIHZpc2libGUgaW4gQ1BVSUQuDQpJZiBDUjQuUEtFIGlzIGNs ZWFyZWQsIE9TUEtFIHdvdWxkIGJlIGludmlzaWJsZSBhdCB0aGUgc2FtZSB0aW1lLiBXaGVuDQpn dWVzdCBkb2VzIHNldCBDUjRfUEtFIGluIG5vbi1wYWdpbmcgbW9kZSwgdGhlbiBDUjRfUEtFIHdv dWxkIGJlIGNsZWFyZWQNCmluIHZtY3MgbG9hZGluZywgc28sIE9TUEtFIHNob3VsZCBiZSBhbHdh eXMgaW52aXNpYmxlLCBhbmQgI1VEIHNob3VsZA0Kbm90IGJlIHlpZWxkZWQgdG9vLg0KDQogDQpS ZXZpZXdlZC1ieTogSHVhaXRvbmcgSGFuIDxodWFpdG9uZy5oYW5AaW50ZWwuY29tPg0KDQo+IA0K PiBTaWduZWQtb2ZmLWJ5OiBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29t Pg0KPiAtLS0NCj4gQ0M6IEphbiBCZXVsaWNoIDxKQmV1bGljaEBzdXNlLmNvbT4NCj4gQ0M6IEp1 biBOYWthamltYSA8anVuLm5ha2FqaW1hQGludGVsLmNvbT4NCj4gQ0M6IEtldmluIFRpYW4gPGtl dmluLnRpYW5AaW50ZWwuY29tPg0KPiBDQzogSHVhaXRvbmcgSGFuIDxodWFpdG9uZy5oYW5AaW50 ZWwuY29tPg0KPiAtLS0NCj4gIHhlbi9hcmNoL3g4Ni9odm0vdm14L3ZteC5jIHwgMTEgKysrKyst LS0tLS0NCj4gIDEgZmlsZSBjaGFuZ2VkLCA1IGluc2VydGlvbnMoKyksIDYgZGVsZXRpb25zKC0p DQo+IA0KPiBkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L2h2bS92bXgvdm14LmMgYi94ZW4vYXJj aC94ODYvaHZtL3ZteC92bXguYw0KPiBpbmRleCBjOGVmMThhLi41ODU1MmMzIDEwMDY0NA0KPiAt LS0gYS94ZW4vYXJjaC94ODYvaHZtL3ZteC92bXguYw0KPiArKysgYi94ZW4vYXJjaC94ODYvaHZt L3ZteC92bXguYw0KPiBAQCAtMTY3MywxMyArMTY3MywxMiBAQCBzdGF0aWMgdm9pZCB2bXhfdXBk YXRlX2d1ZXN0X2NyKHN0cnVjdCB2Y3B1ICp2LCB1bnNpZ25lZCBpbnQgY3IpDQo+ICAgICAgICAg IGlmICggIWh2bV9wYWdpbmdfZW5hYmxlZCh2KSApDQo+ICAgICAgICAgIHsNCj4gICAgICAgICAg ICAgIC8qDQo+IC0gICAgICAgICAgICAgKiBTTUVQL1NNQVAvUEtVIGlzIGRpc2FibGVkIGlmIENQ VSBpcyBpbiBub24tcGFnaW5nIG1vZGUgaW4NCj4gLSAgICAgICAgICAgICAqIGhhcmR3YXJlLiBI b3dldmVyIFhlbiBhbHdheXMgdXNlcyBwYWdpbmcgbW9kZSB0byBlbXVsYXRlIGd1ZXN0DQo+IC0g ICAgICAgICAgICAgKiBub24tcGFnaW5nIG1vZGUuIFRvIGVtdWxhdGUgdGhpcyBiZWhhdmlvciwg U01FUC9TTUFQL1BLVSBuZWVkcw0KPiAtICAgICAgICAgICAgICogdG8gYmUgbWFudWFsbHkgZGlz YWJsZWQgd2hlbiBndWVzdCBWQ1BVIGlzIGluIG5vbi1wYWdpbmcgbW9kZS4NCj4gKyAgICAgICAg ICAgICAqIFNNRVAvU01BUCBpcyBkaXNhYmxlZCBpZiBDUFUgaXMgaW4gbm9uLXBhZ2luZyBtb2Rl IGluIGhhcmR3YXJlLg0KPiArICAgICAgICAgICAgICogSG93ZXZlciBYZW4gYWx3YXlzIHVzZXMg cGFnaW5nIG1vZGUgdG8gZW11bGF0ZSBndWVzdCBub24tcGFnaW5nDQo+ICsgICAgICAgICAgICAg KiBtb2RlLiBUbyBlbXVsYXRlIHRoaXMgYmVoYXZpb3IsIFNNRVAvU01BUCBuZWVkcyB0byBiZSBt YW51YWxseQ0KPiArICAgICAgICAgICAgICogZGlzYWJsZWQgd2hlbiBndWVzdCBWQ1BVIGlzIGlu IG5vbi1wYWdpbmcgbW9kZS4NCj4gICAgICAgICAgICAgICAqLw0KPiAtICAgICAgICAgICAgdi0+ YXJjaC5odm1fdmNwdS5od19jcls0XSAmPQ0KPiAtICAgICAgICAgICAgICAgIH4oWDg2X0NSNF9T TUVQIHwgWDg2X0NSNF9TTUFQIHwgWDg2X0NSNF9QS0UpOw0KPiArICAgICAgICAgICAgdi0+YXJj aC5odm1fdmNwdS5od19jcls0XSAmPSB+KFg4Nl9DUjRfU01FUCB8IFg4Nl9DUjRfU01BUCk7DQo+ ICAgICAgICAgIH0NCj4gICAgICAgICAgX192bXdyaXRlKEdVRVNUX0NSNCwgdi0+YXJjaC5odm1f dmNwdS5od19jcls0XSk7DQo+ICAgICAgICAgIGJyZWFrOw0KDQpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1k ZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK