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 07:09:34 -0700 Message-ID: <56E03CAE02000078000DADE0@prv-mh.provo.novell.com> References: <56D97AC102000078000D9537@prv-mh.provo.novell.com> <56D97F4802000078000D9561@prv-mh.provo.novell.com> <56DDB366.8020207@citrix.com> <56DE93E902000078000DA3D1@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.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.84) (envelope-from ) id 1adenz-0003gi-Bz for xen-devel@lists.xenproject.org; Wed, 09 Mar 2016 14:09:39 +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+IE9uIDA5LjAzLjE2IGF0IDA5OjA5LCA8ZmVuZy53dUBpbnRlbC5jb20+IHdyb3RlOgo+PiA+ PiArLyogVGhpcyBtdXN0bid0IG1vZGlmeSByZWdpc3RlcnMgb3RoZXIgdGhhbiAlcmF4LiAqLwo+ PiA+PiArRU5UUlkoY3I0X3NtZXBfc21hcF9yZXN0b3JlKQo+PiA+PiArICAgICAgICBtb3YgICAl Y3I0LCAlcmF4Cj4+ID4+ICsgICAgICAgIHRlc3QgICRYODZfQ1I0X1NNRVB8WDg2X0NSNF9TTUFQ LCVlYXgKPj4gPj4gKyAgICAgICAgam56ICAgMGYKPiAKPiBJZiB3ZSBjbGVhciBldmVyeSBwbGFj ZSB3aGVyZSB3ZSBhcmUgYmFjayB0byAzMmJpdCBwdiBndWVzdCwKPiBYODZfQ1I0X1NNRVAgYW5k IFg4Nl9DUjRfU01BUCBiaXQgc2hvdWxkIGJlIGNsZWFyCj4gaW4gQ1I0LCByaWdodD8gIElmIHRo YXQgaXMgdGhlIGNhc2UsIHdlIGNhbm5vdCBqdW1wIHRvIDBmLgoKSSB0aGluayBBbmRyZXcncyBy ZXBseSB0byAoSSB0aGluaykgYSBsYXRlciBtYWlsIG9mIHlvdXJzIGFscmVhZHkKYW5zd2VyZWQg dGhpcywgYnV0IGp1c3QgaW4gY2FzZTogV2UgdW5jb25kaXRpb25hbGx5IGNvbWUgaGVyZQpvbiBw YXRocyB0aGF0IF9tYXlfIGJlIHVzZWQgd2hlbiBlbnRlcmluZyBYZW4gb3V0IG9mIDMyLWJpdApQ ViBndWVzdCBjb250ZXh0LiBJLmUuIHdlIGRvIG5vdCBrbm93IHdoaWNoIHN0YXRlIHRoZSB0d28K ZmxhZ3MgYXJlIGluLgoKSmFuCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9y ZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK