From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH v3 0/4] x86: accommodate 32-bit PV guests with SMEP/SMAP handling Date: Fri, 13 May 2016 18:21:49 +0100 Message-ID: <57360D2D.10401@citrix.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> <20160513170229.GS27070@citrix.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 1b1Gmg-0006zk-Pq for xen-devel@lists.xenproject.org; Fri, 13 May 2016 17:21:54 +0000 In-Reply-To: <20160513170229.GS27070@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Wei Liu , Jan Beulich Cc: xen-devel , Keir Fraser , Feng Wu List-Id: xen-devel@lists.xenproject.org T24gMTMvMDUvMTYgMTg6MDIsIFdlaSBMaXUgd3JvdGU6Cj4gT24gVGh1LCBNYXIgMTcsIDIwMTYg YXQgMDE6NTA6MzlBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+IEFzIGhhcyBiZWVuIGV4 cGxhaW5lZCBwcmV2aW91c2x5WzFdLCBTTUFQIChhbmQgd2l0aCBsZXNzIHJlbGV2YW5jZQo+PiBh bHNvIFNNRVApIGlzIG5vdCBjb21wYXRpYmxlIHdpdGggMzItYml0IFBWIGd1ZXN0cyB3aGljaCBh cmVuJ3QKPj4gYXdhcmUvcHJlcGFyZWQgdG8gYmUgcnVuIHdpdGggdGhhdCBmZWF0dXJlIGVuYWJs ZWQuIEFuZHJldydzCj4+IG9yaWdpbmFsIGFwcHJvYWNoIGVpdGhlciBzYWNyaWZpY2VkIGFyY2hp dGVjdHVyYWwgY29ycmVjdG5lc3MgZm9yCj4+IG1ha2luZyAzMi1iaXQgZ3Vlc3RzIHdvcmsgYWdh aW4sIG9yIGRpc2FibGVkIFNNQVAgYWxzbyBmb3Igbm90Cj4+IGluc2lnbmlmaWNhbnQgcG9ydGlv bnMgb2YgaHlwZXJ2aXNvciBjb2RlLCBib3RoIGJ5IGFsbG93aW5nIHRvIGNvbnRyb2wKPj4gdGhl IHdvcmthcm91bmQgbW9kZSB2aWEgY29tbWFuZCBsaW5lIG9wdGlvbi4KPj4KPj4gVGhpcyBhbHRl cm5hdGl2ZSBhcHByb2FjaCBkaXNhYmxlcyBTTUVQIGFuZCBTTUFQIG9ubHkgd2hpbGUKPj4gcnVu bmluZyAzMi1iaXQgUFYgZ3Vlc3QgY29kZSBwbHVzIGEgZmV3IGh5cGVydmlzb3IgaW5zdHJ1Y3Rp b25zCj4+IGVhcmx5IGFmdGVyIGVudGVyaW5nIGh5cGVydmlzb3IgY29udGV4dCBmcm9tIG9yIGxh dGUgYmVmb3JlIGV4aXRpbmcKPj4gdG8gc3VjaCBndWVzdHMuIFRob3NlIGZldyBpbnN0cnVjdGlv bnMgKGluIGFzc2VtYmx5IHNvdXJjZSkgYXJlIG9mCj4+IGNvdXJzZSBtdWNoIGVhc2llciB0byBw cm92ZSBub3QgdG8gcGVyZm9ybSB1bmR1ZSBtZW1vcnkKPj4gYWNjZXNzZXMgdGhhbiBjb2RlIHBh dGhzIHJlYWNoaW5nIGRlZXAgaW50byBDIHNvdXJjZXMuCj4+Cj4+IFRoZSA0dGggcGF0Y2ggcmVh bGx5IGlzIHVucmVsYXRlZCBleGNlcHQgZm9yIG5vdCBhcHBseWluZyBjbGVhbmx5Cj4+IHdpdGhv dXQgdGhlIGVhcmxpZXIgb25lcywgYW5kIHRoZSBwb3RlbnRpYWwgaGF2aW5nIGJlZW4gbm90aWNl ZAo+PiB3aGlsZSBwdXR0aW5nIHRvZ2V0aGVyIHRoZSAybmQgb25lLgo+Pgo+PiAxOiBtb3ZlIGNh Y2hlZCBDUjQgdmFsdWUgdG8gc3RydWN0IGNwdV9pbmZvCj4+IDI6IHN1cHByZXNzIFNNRVAgYW5k IFNNQVAgd2hpbGUgcnVubmluZyAzMi1iaXQgUFYgZ3Vlc3QgY29kZQo+PiAzOiB1c2Ugb3B0aW1h bCBOT1BzIHRvIGZpbGwgdGhlIFNNRVAvU01BUCBwbGFjZWhvbGRlcnMKPj4gNDogdXNlIDMyLWJp dCBsb2FkcyBmb3IgMzItYml0IFBWIGd1ZXN0IHN0YXRlIHJlbG9hZAo+Pgo+PiBTaWduZWQtb2Zm LWJ5OiBKYW4gQmV1bGljaCA8amJldWxpY2hAc3VzZS5jb20+Cj4gUmVsZWFzZS1hY2tlZC1ieTog V2VpIExpdSA8d2VpLmxpdTJAY2l0cml4LmNvbT4KCkFuZCBhcHBsaWVkLgoKfkFuZHJldwoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1h aWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94 ZW4tZGV2ZWwK