From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH v2 1/3] x86: suppress SMEP and SMAP while running 32-bit PV guest code Date: Fri, 13 May 2016 16:48:42 +0100 Message-ID: <5735F75A.2060604@citrix.com> References: <56E14FF502000078000DB232@prv-mh.provo.novell.com> <56E1523D02000078000DB247@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.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b1FQV-00086X-Vz for xen-devel@lists.xenproject.org; Fri, 13 May 2016 15:54:56 +0000 In-Reply-To: <56E1523D02000078000DB247@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich , xen-devel Cc: Keir Fraser , Feng Wu List-Id: xen-devel@lists.xenproject.org T24gMTAvMDMvMTYgMDk6NTMsIEphbiBCZXVsaWNoIHdyb3RlOgo+IFNpbmNlIHN1Y2ggZ3Vlc3Rz JyBrZXJuZWwgY29kZSBydW5zIGluIHJpbmcgMSwgdGhlaXIgbWVtb3J5IGFjY2Vzc2VzLAo+IGF0 IHRoZSBwYWdpbmcgbGF5ZXIsIGFyZSBzdXBlcnZpc29yIG1vZGUgb25lcywgYW5kIGhlbmNlIHN1 YmplY3QgdG8KPiBTTUFQL1NNRVAgY2hlY2tzLiBTdWNoIGd1ZXN0cyBjYW5ub3QgYmUgZXhwZWN0 ZWQgdG8gYmUgYXdhcmUgb2YgdGhvc2UKPiB0d28gZmVhdHVyZXMgdGhvdWdoIChhbmQgc28gZmFy IHdlIGFsc28gZG9uJ3QgZXhwb3NlIHRoZSByZXNwZWN0aXZlCj4gZmVhdHVyZSBmbGFncyksIGFu ZCBoZW5jZSBtYXkgc3VmZmVyIHBhZ2UgZmF1bHRzIHRoZXkgY2Fubm90IGRlYWwgd2l0aC4KPgo+ IFdoaWxlIHRoZSBwbGFjZW1lbnQgb2YgdGhlIHJlLWVuYWJsaW5nIHNsaWdodGx5IHdlYWtlbnMg dGhlIGludGVuZGVkCj4gcHJvdGVjdGlvbiwgaXQgd2FzIHNlbGVjdGVkIHN1Y2ggdGhhdCA2NC1i aXQgcGF0aHMgd291bGQgcmVtYWluCj4gdW5hZmZlY3RlZCB3aGVyZSBwb3NzaWJsZS4gQXQgdGhl IGV4cGVuc2Ugb2YgYSBmdXJ0aGVyIHBlcmZvcm1hbmNlIGhpdAo+IHRoZSByZS1lbmFibGluZyBj b3VsZCBiZSBwdXQgcmlnaHQgbmV4dCB0byB0aGUgQ0xBQ3MuCj4KPiBOb3RlIHRoYXQgdGhpcyBp bnRyb2R1Y2VzIGEgbnVtYmVyIG9mIGV4dHJhIFRMQiBmbHVzaGVzIC0gQ1I0LlNNRVAKPiB0cmFu c2l0aW9uaW5nIGZyb20gMCB0byAxIGFsd2F5cyBjYXVzZXMgYSBmbHVzaCwgYW5kIGl0IHRyYW5z aXRpb25pbmcKPiBmcm9tIDEgdG8gMCBtYXkgYWxzbyBkby4KPgo+IFNpZ25lZC1vZmYtYnk6IEph biBCZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KClJldmlld2VkLWJ5OiBBbmRyZXcgQ29vcGVy IDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPgoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlz dHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK