From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH v2 4/6] xen/x86: disable global pages for domains with XPTI active Date: Thu, 08 Mar 2018 07:33:52 -0700 Message-ID: <5AA157E002000078001AFDA4@prv-mh.provo.novell.com> References: <20180302081403.16953-1-jgross@suse.com> <20180302081403.16953-5-jgross@suse.com> <5AA14AF302000078001AFD30@suse.com> <759de6a9-a2e4-8acf-4c31-5d4aa8bb2ac5@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1etwcG-0004re-Kr for xen-devel@lists.xenproject.org; Thu, 08 Mar 2018 14:33:56 +0000 In-Reply-To: <759de6a9-a2e4-8acf-4c31-5d4aa8bb2ac5@suse.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Juergen Gross Cc: Kevin Tian , wei.liu2@citrix.com, andrew.cooper3@citrix.com, Dario Faggioli , Jun Nakajima , xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDA4LjAzLjE4IGF0IDE1OjA1LCA8amdyb3NzQHN1c2UuY29tPiB3cm90ZToKPiBPbiAw OC8wMy8xOCAxNDozOCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4+IE9uIDAyLjAzLjE4IGF0IDA5 OjE0LCA8amdyb3NzQHN1c2UuY29tPiB3cm90ZToKPj4+IEluc3RlYWQgb2YgZmx1c2hpbmcgdGhl IFRMQiBmcm9tIGdsb2JhbCBwYWdlcyB3aGVuIHN3aXRjaGluZyBhZGRyZXNzCj4+PiBzcGFjZXMg d2l0aCBYUFRJIGJlaW5nIGFjdGl2ZSBqdXN0IGRpc2FibGUgZ2xvYmFsIHBhZ2VzIHZpYSAlY3I0 Cj4+PiBjb21wbGV0ZWx5IHdoZW4gYSBkb21haW4gc3ViamVjdCB0byBYUFRJIGlzIGFjdGl2ZS4g VGhpcyBhdm9pZHMgdGhlCj4+PiBuZWVkIGZvciBleHRyYSBUTEIgZmx1c2hlcyBhcyBsb2FkaW5n ICVjcjMgd2lsbCByZW1vdmUgYWxsIFRMQgo+Pj4gZW50cmllcy4KPj4gCj4+IEhtbSwgaXQncyBm YXIgZnJvbSBvYnZpb3VzIHRoYXQgdGhpcyBpcyBhbiBpbXByb3ZlbWVudCBvdmVyYWxsLgo+PiBC ZXNpZGVzIFhlbidzIGdsb2JhbCBwYWdlcywgd2UgYWxzbyBwcmV2ZW50IGd1ZXN0IHVzZXIgcGFn ZXMgdG8KPj4gYmUgZXZpY3RlZCBmcm9tIHRoZSBUTEIgYWNyb3NzIHVzZXIgPC0+IGtlcm5lbCBt b2RlIGNoYW5nZXMuCj4+IEFuZCB0aGUgZWZmZWN0cyBvZiB0aGlzIGFyZSBsaWtlbHkgcXVpdGUg d29yayBsb2FkIGRlcGVuZGVudC4KPiAKPiBXaXRoIFhQVEkgYWN0aXZlIHdlIGZsdXNoIHRoZSBU TEIsIGluY2x1ZGluZyBhbGwgZ2xvYmFsIGVudHJpZXMsIHdoZW4KPiBzd2l0Y2hpbmcgYmV0d2Vl biBwYWdlIHRhYmxlcyB3aGVuIHJldHVybmluZyB0byB0aGUgZ3Vlc3QuIFNvIHRoZXJlIGFyZQo+ IG5vIGVudHJpZXMgd2hpY2ggY291bGQgc3Vydml2ZS4KCldlbGwsIHJpZ2h0LCBidXQgdGhhdCdz IHRoZSAibGlnaHQiIGluICJYUFRJIGxpZ2h0Ii4gRnJvbSBhIGZ1bmN0aW9uYWxpdHkKUE9WIHdl IGRvbid0IG5lZWQgdGhlIGd1ZXN0IHVzZXIgbWFwcGluZ3MgdG8gYmUgZmx1c2hlZC4gRGlkIHlv dQpoYXBwZW4gdG8gbG9vayBhdCB3aGF0IHRoZSBlZmZlY3Qgd291bGQgYmUgb2YgcnVubmluZyBY ZW4gd2l0aApQVEUuRyB1bmlmb3JtbHkgY2xlYXIgKGFuZCB3aXRoIHRoZSBDUjQgd3JpdGVzIGRy b3BwZWQgZnJvbSB0aGUKZXhpdCBwYXRocyk/Cgo+Pj4gQEAgLTQxMiwxOCArNDE0LDIyIEBAIHN0 YXRpYyB2b2lkIHByZXBhcmVfc2V0KHZvaWQpCj4+PiAgCXdyaXRlX2NyMChyZWFkX2NyMCgpIHwg WDg2X0NSMF9DRCk7Cj4+PiAgCXdiaW52ZCgpOwo+Pj4gIAo+Pj4gLQkvKiAgVExCIGZsdXNoaW5n IGhlcmUgcmVsaWVzIG9uIFhlbiBhbHdheXMgdXNpbmcgQ1I0LlBHRS4gKi8KPj4+IC0JQlVJTERf QlVHX09OKCEoWEVOX01JTklNQUxfQ1I0ICYgWDg2X0NSNF9QR0UpKTsKPj4+IC0Jd3JpdGVfY3I0 KHJlYWRfY3I0KCkgJiB+WDg2X0NSNF9QR0UpOwo+Pj4gKwljcjQgPSByZWFkX2NyNCgpOwo+Pj4g KwlpZiAoY3I0ICYgWDg2X0NSNF9QR0UpCj4+PiArCQl3cml0ZV9jcjQoY3I0ICYgflg4Nl9DUjRf UEdFKTsKPj4+ICsJZWxzZQo+Pj4gKwkJYXNtIHZvbGF0aWxlKCAibW92ICUwLCAlJWNyMyIgOiA6 ICJyIiAocmVhZF9jcjMoKSkgOiAibWVtb3J5IiApOwo+Pj4gIAo+Pj4gIAkvKiAgU2F2ZSBNVFJS IHN0YXRlICovCj4+PiAgCXJkbXNybChNU1JfTVRSUmRlZlR5cGUsIGRlZnR5cGUpOwo+Pj4gIAo+ Pj4gIAkvKiAgRGlzYWJsZSBNVFJScywgYW5kIHNldCB0aGUgZGVmYXVsdCB0eXBlIHRvIHVuY2Fj aGVkICAqLwo+Pj4gIAltdHJyX3dybXNyKE1TUl9NVFJSZGVmVHlwZSwgZGVmdHlwZSAmIH4weGNm Zik7Cj4+PiArCj4+PiArCXJldHVybiAhIShjcjQgJiBYODZfQ1I0X1BHRSk7Cj4+IAo+PiBVbm5l Y2Vzc2FyeSAhIS4KPiAKPiBSZXR1cm4gdHlwZSBpcyBib29sLiBJc24ndCAhISBiZXR0ZXIgaW4g dGhpcyBjYXNlPwoKVGhhdCB3YXMgc3RyaWN0bHkgYSByZXF1aXJlbWVudCB3aGVuIHdlIHdlcmUg c3RpbGwgdXNpbmcgYm9vbF90LgpCdXQgd2l0aCBib29sIHRoZSBjb21waWxlciBpcyByZXF1aXJl ZCB0byBkbyB0aGUgY29udmVyc2lvbiBldmVuCndpdGhvdXQgdGhlICEhIChhbmQgeW91J2xsIG9i c2VydmUgdGhhdCBzdGVwIGJ5IHN0ZXAgd2UncmUgZ2V0dGluZwpyaWQgb2YgdGhvc2UgISEgbm93 KS4KCkphbgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f Clhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0 dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=