From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Tian, Kevin" Subject: Re: [PATCH v2 4/6] xen/x86: disable global pages for domains with XPTI active Date: Fri, 9 Mar 2018 03:01:11 +0000 Message-ID: References: <20180302081403.16953-1-jgross@suse.com> <20180302081403.16953-5-jgross@suse.com> <5AA14AF302000078001AFD30@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eu8Hc-0008Jn-2y for xen-devel@lists.xenproject.org; Fri, 09 Mar 2018 03:01:24 +0000 In-Reply-To: <5AA14AF302000078001AFD30@prv-mh.provo.novell.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jan Beulich , Juergen Gross Cc: "andrew.cooper3@citrix.com" , Dario Faggioli , "wei.liu2@citrix.com" , "Nakajima, Jun" , "xen-devel@lists.xenproject.org" List-Id: xen-devel@lists.xenproject.org PiBGcm9tOiBKYW4gQmV1bGljaCBbbWFpbHRvOkpCZXVsaWNoQHN1c2UuY29tXQo+IFNlbnQ6IFRo dXJzZGF5LCBNYXJjaCA4LCAyMDE4IDk6MzkgUE0KPiAKPiA+IC0tLSBhL3hlbi9pbmNsdWRlL2Fz bS14ODYvZG9tYWluLmgKPiA+ICsrKyBiL3hlbi9pbmNsdWRlL2FzbS14ODYvZG9tYWluLmgKPiA+ IEBAIC02MjIsNyArNjIyLDggQEAgdW5zaWduZWQgbG9uZyBwdl9ndWVzdF9jcjRfZml4dXAoY29u c3Qgc3RydWN0Cj4gdmNwdSAqLCB1bnNpZ25lZCBsb25nIGd1ZXN0X2NyNCk7Cj4gPiAgICAgICAg ICAgICAgWDg2X0NSNF9TTUFQIHwgWDg2X0NSNF9PU1hTQVZFIHwgICAgICAgICAgICAgICAgXAo+ ID4gICAgICAgICAgICAgIFg4Nl9DUjRfRlNHU0JBU0UpKSAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgIFwKPiA+ICAgICAgICB8ICgodiktPmRvbWFpbi0+YXJjaC52dHNjID8gWDg2X0NSNF9U U0QgOiAwKSkgICAgICAgICBcCj4gPiAtICAgICAmIH5YODZfQ1I0X0RFKQo+ID4gKyAgICAgJiB+ KFg4Nl9DUjRfREUgfCAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIFwKPiA+ ICsgICAgICAgICAoKHYpLT5kb21haW4tPmFyY2gucHZfZG9tYWluLnhwdGkgPyBYODZfQ1I0X1BH RSA6IDApKSkKPiAKPiBXaXRoIHRoaXMgeW91IG1hbmFnZSB0byB0dXJuIG9mZiBnbG9iYWwgcGFn ZXMgd2hlbiBzd2l0Y2hpbmcgdG8KPiBhIFBWIHZDUFUuIEJ1dCBJIGNhbid0IHNlZSBob3cgeW91 IHR1cm4gZ2xvYmFsIHBhZ2VzIGJhY2sgb24gd2hlbgo+IHN3aXRjaGluZyBhd2F5IGZyb20gaXQu IEkgY2FuIHNlZSB0aGV5IHdvdWxkIGJlIHR1cm5lZCBiYWNrIG9uIGUuZy4KPiBvbiB0aGUgZmly c3QgZW50cnkgdG8gYSBWTVggZ3Vlc3QsIGJ1dCBob3cgYWJvdXQgYW4gU1ZNIG9uZT8gQW5kCj4g aG93IGFib3V0IHRoZSB0aW1lIGJldHdlZW4gc3dpdGNoaW5nIGF3YXkgZnJvbSB0aGUgUFYgdkNQ VSBhbmQKPiB0aGF0IFZNIGVudHJ5PyBHcmFudGVkIGFsbCBmbHVzaGVzIGFyZSBnbG9iYWwgb25l cyByaWdodCBub3csIGJ1dAo+IHRoYXQgc2hvdWxkIGNoYW5nZSB3aXRoIHRoZSBtb2RpZmljYXRp b24gaGVyZTogSWYgeW91IGxvb2sgYmFjayBhdAo+IDQuMiBjb2RlLCB5b3UnbGwgc2VlIHRoYXQg RkxVU0hfVExCIHdhcyBoYW5kbGVkIGRpZmZlcmVudGx5IGluIHRoYXQKPiBjYXNlLCByZXRhaW5p bmcgWGVuJ3MgZ2xvYmFsIG1hcHBpbmdzLiBBbnkgZmx1c2ggSVBJIG5vdCByZXF1ZXN0aW5nCj4g Z2xvYmFsIHBhZ2VzIHRvIGJlIGZsdXNoZWQgY291bGQgdGhlbiBsZWF2ZSBpbnRhY3QgWGVuJ3Mg b3duIFRMQgo+IGVudHJpZXMsIHdoaWNoIHRha2VzIGFzIGEgcHJlcmVxIHRoYXQgQ1I0LlBHRSBn ZXRzIHR1cm5lZCBiYWNrIG9uCj4gZWFybGllci4KPiAKPiBBbmQgb25lIG1vcmUgY2hhbmdlIHdv dWxkIGJlbG9uZyBpbnRvIHRoaXMgcGF0Y2gsIEkgdGhpbms6IEluIHBhdGNoCj4gMiB5b3UgY2hh bmdlIHdyaXRlX3B0YmFzZSgpLiBUaGUgYmFyZSBDUjMgd3JpdGUgdGhlcmUgd291bGQKPiBiZWNv bWUgZWxpZ2libGUgdG8gdGljayB0aGUgVExCIGZsdXNoIGNsb2NrIHdpdGggd2hhdCB5b3UgZG8g aGVyZS4KPiAKPiBUYWxraW5nIG9mIFZNWDogSSB3b25kZXIgd2hldGhlciBpdCB3b3VsZG4ndCBi ZSBiZXR0ZXIgKHBlcmhhcHMgYm90aAo+IGNoZWFwZXIgYW5kIGxvbmcgdGVybSBwb3NzaWJseSBt b3JlIGNvcnJlY3QpIGlmIHZteF9jdHh0X3N3aXRjaF90bygpCj4gZGlkbid0IHdyaXRlIENSNCwg YnV0IGluc3RlYWQgc3luYy1lZCBIT1NUX0NSNCB0byB3aGF0IHJlYWRfY3I0KCkKPiByZXR1cm5z LiBKdW4sIEtldmluLCBkbyB5b3UgaGF2ZSBhbnkgdGhvdWdodHMgb24gdGhpcz8gRm9yIHRoZSBw YXRjaAo+IGhlcmUsIHRoaXMgd291bGQgZ2V0IHRoZSBiZWhhdmlvciBvbiBwYXIgd2l0aCBTVk0s IGFzIGRlc2NyaWJlZCBhYm92ZS4KPiAKCkkgZGlkbid0IHNlZSBhIHJlYXNvbiB3aHkgd2Ugd2Fu dCBIT1NUX0NSNCBkaWZmZXJlbnQgZnJvbSAKbGF0ZXN0IGNyNCB2YWx1ZSwgc28geWVzLCBJIHRo aW5rIGl0J3MgYSByZWFzb25hYmxlIGNsZWFudXAuCgpwLnMuIGN1cnJlbnQgdm14IGxvZ2ljIGxv b2tzIHByb2JsZW1hdGljLiBJdCBhY3R1YWxseSBkb2VzIApyZXZlcnNlIHN5bmMgZnJvbSBIT1NU X0NSNCB0byBjcjQgYmVmb3JlIHZtZW50cnkgd2hpY2ggCmRvZXNuJ3QgbWFrZSBhbnkgc2Vuc2Uu CgpUaGFua3MKS2V2aW4gCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0 Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRl dmVs