From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH v3 0/4] x86: accommodate 32-bit PV guests with SMEP/SMAP handling Date: Tue, 21 Jun 2016 01:17:48 -0600 Message-ID: <5769063C02000078000F716D@prv-mh.provo.novell.com> References: <56D97AC102000078000D9537@prv-mh.provo.novell.com> <56E14FF502000078000DB232@prv-mh.provo.novell.com> <56E9A0DB02000078000DD54C@prv-mh.provo.novell.com> <56EA6FDF02000078000DD8FB@prv-mh.provo.novell.com> <56EA6FDF02000078000DD8FB@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bFFwY-0006yp-P4 for xen-devel@lists.xenproject.org; Tue, 21 Jun 2016 07:17:54 +0000 In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Feng Wu Cc: Andrew Cooper , Keir Fraser , xen-devel List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDIxLjA2LjE2IGF0IDA4OjE5LCA8ZmVuZy53dUBpbnRlbC5jb20+IHdyb3RlOgo+PiBG cm9tOiBKYW4gQmV1bGljaCBbbWFpbHRvOkpCZXVsaWNoQHN1c2UuY29tXQo+PiBTZW50OiBUaHVy c2RheSwgTWFyY2ggMTcsIDIwMTYgMzo1MSBQTQo+PiAKPj4gQXMgaGFzIGJlZW4gZXhwbGFpbmVk IHByZXZpb3VzbHlbMV0sIFNNQVAgKGFuZCB3aXRoIGxlc3MgcmVsZXZhbmNlCj4+IGFsc28gU01F UCkgaXMgbm90IGNvbXBhdGlibGUgd2l0aCAzMi1iaXQgUFYgZ3Vlc3RzIHdoaWNoIGFyZW4ndAo+ PiBhd2FyZS9wcmVwYXJlZCB0byBiZSBydW4gd2l0aCB0aGF0IGZlYXR1cmUgZW5hYmxlZC4gQW5k cmV3J3MKPj4gb3JpZ2luYWwgYXBwcm9hY2ggZWl0aGVyIHNhY3JpZmljZWQgYXJjaGl0ZWN0dXJh bCBjb3JyZWN0bmVzcyBmb3IKPj4gbWFraW5nIDMyLWJpdCBndWVzdHMgd29yayBhZ2Fpbiwgb3Ig ZGlzYWJsZWQgU01BUCBhbHNvIGZvciBub3QKPj4gaW5zaWduaWZpY2FudCBwb3J0aW9ucyBvZiBo eXBlcnZpc29yIGNvZGUsIGJvdGggYnkgYWxsb3dpbmcgdG8gY29udHJvbAo+PiB0aGUgd29ya2Fy b3VuZCBtb2RlIHZpYSBjb21tYW5kIGxpbmUgb3B0aW9uLgo+IAo+IEhpIEphbiwgZG8geW91IG1p bmQgc2hhcmluZyBtb3JlIGFib3V0IEFuZHJldydzIG9yaWdpbmFsIGFwcHJvYWNoPwo+IEFuZCB0 byBzb2x2ZSB0aGlzIGlzc3VlIGNhbiB3ZSBqdXN0IGRpc2FibGUgU01FUC9TTUFQIGZvciBYZW4g aXRzZWxmLAo+IGhlbmNlIG9ubHkgSFZNIHdpbGwgYmVuZWZpdCBmcm9tIHRoaXMgZmVhdHVyZT8K CkRpZCB5b3UgbG9vayBhdCB0aGUgbGluayBzdGlsbCB2aXNpYmxlIGJlbG93PyBJZiB5b3UgZGlk LCBwbGVhc2UgYmUgbW9yZQpwcmVjaXNlIGFib3V0IHRoZSBkZXRhaWxzIHlvdSBuZWVkLgoKPj4g VGhpcyBhbHRlcm5hdGl2ZSBhcHByb2FjaCBkaXNhYmxlcyBTTUVQIGFuZCBTTUFQIG9ubHkgd2hp bGUKPj4gcnVubmluZyAzMi1iaXQgUFYgZ3Vlc3QgY29kZSBwbHVzIGEgZmV3IGh5cGVydmlzb3Ig aW5zdHJ1Y3Rpb25zCj4+IGVhcmx5IGFmdGVyIGVudGVyaW5nIGh5cGVydmlzb3IgY29udGV4dCBm cm9tIG9yIGxhdGUgYmVmb3JlIGV4aXRpbmcKPj4gdG8gc3VjaCBndWVzdHMuIFRob3NlIGZldyBp bnN0cnVjdGlvbnMgKGluIGFzc2VtYmx5IHNvdXJjZSkgYXJlIG9mCj4+IGNvdXJzZSBtdWNoIGVh c2llciB0byBwcm92ZSBub3QgdG8gcGVyZm9ybSB1bmR1ZSBtZW1vcnkKPj4gYWNjZXNzZXMgdGhh biBjb2RlIHBhdGhzIHJlYWNoaW5nIGRlZXAgaW50byBDIHNvdXJjZXMuCj4+IAo+PiBUaGUgNHRo IHBhdGNoIHJlYWxseSBpcyB1bnJlbGF0ZWQgZXhjZXB0IGZvciBub3QgYXBwbHlpbmcgY2xlYW5s eQo+PiB3aXRob3V0IHRoZSBlYXJsaWVyIG9uZXMsIGFuZCB0aGUgcG90ZW50aWFsIGhhdmluZyBi ZWVuIG5vdGljZWQKPj4gd2hpbGUgcHV0dGluZyB0b2dldGhlciB0aGUgMm5kIG9uZS4KPj4gCj4+ IDE6IG1vdmUgY2FjaGVkIENSNCB2YWx1ZSB0byBzdHJ1Y3QgY3B1X2luZm8KPj4gMjogc3VwcHJl c3MgU01FUCBhbmQgU01BUCB3aGlsZSBydW5uaW5nIDMyLWJpdCBQViBndWVzdCBjb2RlCj4+IDM6 IHVzZSBvcHRpbWFsIE5PUHMgdG8gZmlsbCB0aGUgU01FUC9TTUFQIHBsYWNlaG9sZGVycwo+PiA0 OiB1c2UgMzItYml0IGxvYWRzIGZvciAzMi1iaXQgUFYgZ3Vlc3Qgc3RhdGUgcmVsb2FkCj4+IAo+ PiBTaWduZWQtb2ZmLWJ5OiBKYW4gQmV1bGljaCA8amJldWxpY2hAc3VzZS5jb20+Cj4+IC0tLQo+ PiB2MzogTmV3IHBhdGNoIDEsIGFzIGEgcHJlcmVxIHRvIGNoYW5nZXMgaW4gcGF0Y2ggMiAocHJl dmlvdXNseQo+PiAgICAgIDEpLiBUaGUgcHJpbWFyeSByZWFzb24gZm9yIHRoaXMgYXJlIHBlcmZv cm1hbmNlIGlzc3VlcyB0aGF0Cj4+ICAgICAgaGF2ZSBiZWVuIGZvdW5kIGJ5IEFuZHJldyB3aXRo IHRoZSBwcmV2aW91cyB2ZXJzaW9uLgo+PiB2MjogVmFyaW91cyBjaGFuZ2VzIHRvIHBhdGNoZXMg MSBhbmQgMiAtIHNlZSB0aGVyZS4KPj4gCj4+IFsxXSBodHRwOi8vbGlzdHMueGVucHJvamVjdC5v cmcvYXJjaGl2ZXMvaHRtbC94ZW4tZGV2ZWwvMjAxNS0wNi9tc2cwMzg4OC5odG1sIAoKCgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1h aWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94 ZW4tZGV2ZWwK