From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH v2 7/9] x86/shadow: Use the pagewalk reserved bits helpers Date: Thu, 16 Mar 2017 17:25:17 +0000 Message-ID: <67a62920-1828-e89e-2ccb-58321b74ddd9@citrix.com> References: <1489681903-28119-1-git-send-email-andrew.cooper3@citrix.com> <1489681903-28119-8-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: <1489681903-28119-8-git-send-email-andrew.cooper3@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Xen-devel Cc: George Dunlap , Tim Deegan , Jan Beulich List-Id: xen-devel@lists.xenproject.org T24gMTYvMDMvMTcgMTY6MzEsIEFuZHJldyBDb29wZXIgd3JvdGU6Cj4gVGhlIHNoYWRvdyBsb2dp YyBzaG91bGQgbm90IGNyZWF0ZSBhIHZhbGlkL3ByZXNlbnQgc2hhZG93IG9mIGEgZ3Vlc3QgUFRF IHdoaWNoCj4gY29udGFpbnMgcmVzZXJ2ZWQgYml0cyBmcm9tIHRoZSBndWVzdHMgcG9pbnQgb2Yg dmlldy4gIEl0IGlzIG5vdCBndWFyYW50ZWVkCj4gdGhhdCB0aGUgaGFyZHdhcmUgcGFnZXdhbGsg d2lsbCBjb21lIHRvIHRoZSBzYW1lIGNvbmNsdXNpb24sIGFuZCByYWlzZSBhCj4gcGFnZWZhdWx0 Lgo+Cj4gU2hhZG93cyBjcmVhdGVkIG9uIGRlbWFuZCBmcm9tIHRoZSBwYWdlZmF1bHQgaGFuZGxl ciBhcmUgZmluZSBiZWNhdXNlIHRoZQo+IHBhZ2V3YWxrIG92ZXIgdGhlIGd1ZXN0IHRhYmxlcyB3 aWxsIGhhdmUgaW5qZWN0ZWQgdGhlIGZhdWx0IGludG8gdGhlIGd1ZXN0Cj4gcmF0aGVyIHRoYW4g Y3JlYXRpbmcgYSBzaGFkb3cuCj4KPiBIb3dldmVyLCBzaGFkb3dzIGNyZWF0ZWQgYnkgc2hfcmVz eW5jX2wxKCkgYW5kIHNoX3ByZWZldGNoKCkgaGF2ZW4ndCB1bmRlcmdvbmUKPiBhIHBhZ2V3YWxr IGFuZCBuZWVkIHRvIGFjY291bnQgZm9yIHJlc2VydmVkIGJpdHMgYmVmb3JlIGNyZWF0aW5nIHRo ZSBzaGFkb3cuCj4KPiBJbiBwcmFjdGljZSwgdGhpcyBtZWFucyBhIDMtbGV2ZWwgZ3Vlc3QgY291 bGQgcHJldmlvdXNseSBjYXVzZSBQVEVzIHdpdGggYml0cwo+IDYzOjUyIHNldCB0byBiZSBzaGFk b3dlZCAoYW5kIGRpc2NhcmRlZCkuICBUaGlzIFBURSBzaG91bGQgY2F1c2UgI1BGW1JTVkRdCj4g d2hlbiBlbmNvdW50ZXJlZCBieSBoYXJkd2FyZSwgYnV0IHRoZSBpbnN0YWxsZWQgc2hhZG93IGlz IHZhbGlkIGFuZCBoYXJkd2FyZQo+IGRvZXNuJ3QgZmF1bHQuCj4KPiBSZXVzZSB0aGUgcGFnZXdh bGsgcmVzZXJ2ZWQgYml0cyBoZWxwZXJzLCBhbmQgYXNzZXJ0IGluCj4gbD9lX3Byb3BhZ2F0ZV9m cm9tX2d1ZXN0KCkgdGhhdCBzaGFkb3dzIGFyZSBub3QgYXR0ZW1wdGVkIHRvIGJlIGNyZWF0ZWQg d2l0aAo+IHJlc2VydmVkIGJpdHMgc2V0Lgo+Cj4gU2lnbmVkLW9mZi1ieTogQW5kcmV3IENvb3Bl ciA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4KClRoZSB0cmF2aXMgYnVpbGQgcnVubmluZyBj bGFuZyBwb2ludHMgb3V0IHRoYXQgcDJtdCBtaWdodCBub3cgYmUKdW5pbml0aWFsaXNlZCBpbiB0 aGUgbDEgY2FzZXMuICBJbiBwcmFjdGljZSBpdCBkb2Vzbid0IG1hdHRlciBiZWNhdXNlCklOVkFM SURfTUZOIHdpbGwgY2F1c2UgX3NoX3Byb3BhZ2F0ZSgpIHRvIGhlYWQgaW4gYW4gZW1wdHkoKSBk aXJlY3Rpb24sCmJ1dCBJIGhhdmUgZm9sZGVkIHRoZSBmb2xsb3dpbmcgZGVsdGEgaW4uCgpkaWZm IC0tZ2l0IGEveGVuL2FyY2gveDg2L21tL3NoYWRvdy9tdWx0aS5jIGIveGVuL2FyY2gveDg2L21t L3NoYWRvdy9tdWx0aS5jCmluZGV4IDU2MTE0YzcuLjYyNzI4NGQgMTAwNjQ0Ci0tLSBhL3hlbi9h cmNoL3g4Ni9tbS9zaGFkb3cvbXVsdGkuYworKysgYi94ZW4vYXJjaC94ODYvbW0vc2hhZG93L211 bHRpLmMKQEAgLTIzMDksNyArMjMwOSw3IEBAIHN0YXRpYyBpbnQgdmFsaWRhdGVfZ2wxZShzdHJ1 Y3QgdmNwdSAqdiwgdm9pZAoqbmV3X2dlLCBtZm5fdCBzbDFtZm4sIHZvaWQgKnNlKQogICAgIHNo YWRvd19sMWVfdCAqc2wxcCA9IHNlOwogICAgIGdmbl90IGdmbjsKICAgICBtZm5fdCBnbWZuID0g SU5WQUxJRF9NRk47Ci0gICAgcDJtX3R5cGVfdCBwMm10OworICAgIHAybV90eXBlX3QgcDJtdCA9 IHAybV9pbnZhbGlkOwogICAgIGludCByZXN1bHQgPSAwOwogI2lmIChTSEFET1dfT1BUSU1JWkFU SU9OUyAmIFNIT1BUX09VVF9PRl9TWU5DKQogICAgIG1mbl90IGdsMW1mbjsKQEAgLTIzNzksNyAr MjM3OSw3IEBAIHZvaWQgc2hfcmVzeW5jX2wxKHN0cnVjdCB2Y3B1ICp2LCBtZm5fdCBnbDFtZm4s Cm1mbl90IHNucG1mbikKICAgICAgICAgewogICAgICAgICAgICAgZ2ZuX3QgZ2ZuOwogICAgICAg ICAgICAgbWZuX3QgZ21mbiA9IElOVkFMSURfTUZOOwotICAgICAgICAgICAgcDJtX3R5cGVfdCBw Mm10OworICAgICAgICAgICAgcDJtX3R5cGVfdCBwMm10ID0gcDJtX2ludmFsaWQ7CiAgICAgICAg ICAgICBzaGFkb3dfbDFlX3QgbnNsMWU7CiAKICAgICAgICAgICAgIGlmICggKGd1ZXN0X2wxZV9n ZXRfZmxhZ3MoZ2wxZSkgJiBfUEFHRV9QUkVTRU5UKSAmJgpAQCAtMjcyMSw3ICsyNzIxLDEwIEBA IHN0YXRpYyB2b2lkIHNoX3ByZWZldGNoKHN0cnVjdCB2Y3B1ICp2LCB3YWxrX3QgKmd3LAogICAg ICAgICAgICAgZ21mbiA9IGdldF9nZm5fcXVlcnlfdW5sb2NrZWQoZCwgZ2ZuX3goZ2ZuKSwgJnAy bXQpOwogICAgICAgICB9CiAgICAgICAgIGVsc2UKKyAgICAgICAgewogICAgICAgICAgICAgZ21m biA9IElOVkFMSURfTUZOOworICAgICAgICAgICAgcDJtdCA9IHAybV9pbnZhbGlkOworICAgICAg ICB9CiAKICAgICAgICAgLyogUHJvcGFnYXRlIHRoZSBlbnRyeS4gICovCiAgICAgICAgIGwxZV9w cm9wYWdhdGVfZnJvbV9ndWVzdCh2LCBnbDFlLCBnbWZuLCAmc2wxZSwgZnRfcHJlZmV0Y2gsIHAy bXQpOwoKfkFuZHJldwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRw czovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==