From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 2/4] x86: suppress SMAP and SMEP while running 32-bit PV guest code Date: Wed, 09 Mar 2016 05:36:30 -0700 Message-ID: <56E018CE02000078000E430D@prv-mh.provo.novell.com> References: <56D97AC102000078000D9537@prv-mh.provo.novell.com> <56D97F4802000078000D9561@prv-mh.provo.novell.com> <56DFFEE4.1020008@citrix.com> <56E01806.7020602@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1addLv-00037E-JD for xen-devel@lists.xenproject.org; Wed, 09 Mar 2016 12:36:35 +0000 In-Reply-To: <56E01806.7020602@citrix.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: andrew.cooper3@citrix.com, feng.wu@intel.com, xen-devel@lists.xenproject.org Cc: keir@xen.org List-Id: xen-devel@lists.xenproject.org Pj4+PiBBbmRyZXcgQ29vcGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPiAwMy8wOS8xNiAx OjMzIFBNID4+Pgo+T24gMDkvMDMvMTYgMTI6MjcsIFd1LCBGZW5nIHdyb3RlOgo+PiBPaCwgdGhh bmtzIGZvciB0aGUgY2xhcmlmaWNhdGlvbiEgRG8geW91IGtub3cgaG93ICJBbiBOTUkgb3IgI01D IG1heSBvY2N1cgo+PiBiZXR3ZWVuIGNsZWFyaW5nIENSNC5TTUVQIGFuZCBDUjQuU01BUCBpbiBj b21wYXRfcmVzdG9yZV9hbGxfZ3Vlc3QgYW5kCj4+IGl0IGFjdHVhbGx5IHJldHVybmluZyB0byBn dWVzdCBjb250ZXh0LCBpbiB3aGljaCBjYXNlIHRoZSBndWVzdCB3b3VsZCBydW4gd2l0aAo+PiB0 aGUgdHdvIGZlYXR1cmVzIGVuYWJsZWQuICIgY2FuIGhhcHBlbj8gRXNwZWNpYWxseSBob3cgdGhl IGd1ZXN0IGNhbiBydW4KPj4gd2l0aCB0aGUgdHdvIGZlYXR1cmVzIGVuYWJsZWQ/Cj4KPk5NSXMg YW5kIE1DRXMgY2FuIG9jY3VyIGF0IGFueSBwb2ludCwgZXZlbiBpZiBpbnRlcnJ1cHRzIGFyZSBk aXNhYmxlZC4KPgo+VGhlIGJhZCBzaXR1YXRpb24gaXMgdGhpcyBzZXF1ZW5jZToKPgo+KiBYZW4g aXMgcmV0dXJuaW5nIHRvIHRoZSBndWVzdCBhbmQgZGlzYWJsZXMgQ1I0LlNNRVAvU01BUAo+KiBO TUkgb2NjdXJzIHdoaWxlIHN0aWxsIGluIFhlbgo+KiBOTUkgZXhpdCBwYXRoIHNlZXMgaXQgaXMg cmV0dXJuaW5nIHRvIFhlbiBhbmQgcmUtZW5hYmxlZCBDUjQuU01FUC9TTUFQCgpXZWxsLCBhbG1v c3Q6IFJlLWVuYWJsaW5nIGhhcHBlbnMgb24gdGhlIE5NSSBlbnRyeSBwYXRoLiBUaGUgTk1JIGV4 aXQKcGF0aCB3b3VsZCwgc2VlaW5nIGl0J3MgcmV0dXJuaW5nIHRvIFhlbiBjb250ZXh0LCBzaW1w bHkgbm90IGRpc2FibGUgdGhlbQphZ2Fpbi4KCkphbgoKPiogWGVuIGVuZHMgdXAgcmV0dXJuaW5n IHRvIGd1ZXN0IHdpdGggQ1I0LlNNRVAvU01BUCBlbmFibGVkLgo+Cj5+QW5kcmV3CgoKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWls aW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVu LWRldmVsCg==