From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Wu, Feng" Subject: Re: [PATCH v3 0/4] x86: accommodate 32-bit PV guests with SMEP/SMAP handling Date: Tue, 21 Jun 2016 06:19:06 +0000 Message-ID: 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.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bFF1j-0003Ni-Sw for xen-devel@lists.xenproject.org; Tue, 21 Jun 2016 06:19:11 +0000 In-Reply-To: <56EA6FDF02000078000DD8FB@prv-mh.provo.novell.com> Content-Language: en-US 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: Andrew Cooper , Keir Fraser , "Wu, Feng" List-Id: xen-devel@lists.xenproject.org Cgo+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tCj4gRnJvbTogSmFuIEJldWxpY2ggW21haWx0 bzpKQmV1bGljaEBzdXNlLmNvbV0KPiBTZW50OiBUaHVyc2RheSwgTWFyY2ggMTcsIDIwMTYgMzo1 MSBQTQo+IFRvOiB4ZW4tZGV2ZWwgPHhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZz4KPiBD YzogQW5kcmV3IENvb3BlciA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT47IFd1LCBGZW5nCj4g PGZlbmcud3VAaW50ZWwuY29tPjsgS2VpciBGcmFzZXIgPGtlaXJAeGVuLm9yZz4KPiBTdWJqZWN0 OiBbUEFUQ0ggdjMgMC80XSB4ODY6IGFjY29tbW9kYXRlIDMyLWJpdCBQViBndWVzdHMgd2l0aCBT TUVQL1NNQVAKPiBoYW5kbGluZwo+IAo+IEFzIGhhcyBiZWVuIGV4cGxhaW5lZCBwcmV2aW91c2x5 WzFdLCBTTUFQIChhbmQgd2l0aCBsZXNzIHJlbGV2YW5jZQo+IGFsc28gU01FUCkgaXMgbm90IGNv bXBhdGlibGUgd2l0aCAzMi1iaXQgUFYgZ3Vlc3RzIHdoaWNoIGFyZW4ndAo+IGF3YXJlL3ByZXBh cmVkIHRvIGJlIHJ1biB3aXRoIHRoYXQgZmVhdHVyZSBlbmFibGVkLiBBbmRyZXcncwo+IG9yaWdp bmFsIGFwcHJvYWNoIGVpdGhlciBzYWNyaWZpY2VkIGFyY2hpdGVjdHVyYWwgY29ycmVjdG5lc3Mg Zm9yCj4gbWFraW5nIDMyLWJpdCBndWVzdHMgd29yayBhZ2Fpbiwgb3IgZGlzYWJsZWQgU01BUCBh bHNvIGZvciBub3QKPiBpbnNpZ25pZmljYW50IHBvcnRpb25zIG9mIGh5cGVydmlzb3IgY29kZSwg Ym90aCBieSBhbGxvd2luZyB0byBjb250cm9sCj4gdGhlIHdvcmthcm91bmQgbW9kZSB2aWEgY29t bWFuZCBsaW5lIG9wdGlvbi4KCkhpIEphbiwgZG8geW91IG1pbmQgc2hhcmluZyBtb3JlIGFib3V0 IEFuZHJldydzIG9yaWdpbmFsIGFwcHJvYWNoPwpBbmQgdG8gc29sdmUgdGhpcyBpc3N1ZSBjYW4g d2UganVzdCBkaXNhYmxlIFNNRVAvU01BUCBmb3IgWGVuIGl0c2VsZiwKaGVuY2Ugb25seSBIVk0g d2lsbCBiZW5lZml0IGZyb20gdGhpcyBmZWF0dXJlPwoKVGhhbmtzLApGZW5nCgo+IAo+IFRoaXMg YWx0ZXJuYXRpdmUgYXBwcm9hY2ggZGlzYWJsZXMgU01FUCBhbmQgU01BUCBvbmx5IHdoaWxlCj4g cnVubmluZyAzMi1iaXQgUFYgZ3Vlc3QgY29kZSBwbHVzIGEgZmV3IGh5cGVydmlzb3IgaW5zdHJ1 Y3Rpb25zCj4gZWFybHkgYWZ0ZXIgZW50ZXJpbmcgaHlwZXJ2aXNvciBjb250ZXh0IGZyb20gb3Ig bGF0ZSBiZWZvcmUgZXhpdGluZwo+IHRvIHN1Y2ggZ3Vlc3RzLiBUaG9zZSBmZXcgaW5zdHJ1Y3Rp b25zIChpbiBhc3NlbWJseSBzb3VyY2UpIGFyZSBvZgo+IGNvdXJzZSBtdWNoIGVhc2llciB0byBw cm92ZSBub3QgdG8gcGVyZm9ybSB1bmR1ZSBtZW1vcnkKPiBhY2Nlc3NlcyB0aGFuIGNvZGUgcGF0 aHMgcmVhY2hpbmcgZGVlcCBpbnRvIEMgc291cmNlcy4KPiAKPiBUaGUgNHRoIHBhdGNoIHJlYWxs eSBpcyB1bnJlbGF0ZWQgZXhjZXB0IGZvciBub3QgYXBwbHlpbmcgY2xlYW5seQo+IHdpdGhvdXQg dGhlIGVhcmxpZXIgb25lcywgYW5kIHRoZSBwb3RlbnRpYWwgaGF2aW5nIGJlZW4gbm90aWNlZAo+ IHdoaWxlIHB1dHRpbmcgdG9nZXRoZXIgdGhlIDJuZCBvbmUuCj4gCj4gMTogbW92ZSBjYWNoZWQg Q1I0IHZhbHVlIHRvIHN0cnVjdCBjcHVfaW5mbwo+IDI6IHN1cHByZXNzIFNNRVAgYW5kIFNNQVAg d2hpbGUgcnVubmluZyAzMi1iaXQgUFYgZ3Vlc3QgY29kZQo+IDM6IHVzZSBvcHRpbWFsIE5PUHMg dG8gZmlsbCB0aGUgU01FUC9TTUFQIHBsYWNlaG9sZGVycwo+IDQ6IHVzZSAzMi1iaXQgbG9hZHMg Zm9yIDMyLWJpdCBQViBndWVzdCBzdGF0ZSByZWxvYWQKPiAKPiBTaWduZWQtb2ZmLWJ5OiBKYW4g QmV1bGljaCA8amJldWxpY2hAc3VzZS5jb20+Cj4gLS0tCj4gdjM6IE5ldyBwYXRjaCAxLCBhcyBh IHByZXJlcSB0byBjaGFuZ2VzIGluIHBhdGNoIDIgKHByZXZpb3VzbHkKPiAgICAgIDEpLiBUaGUg cHJpbWFyeSByZWFzb24gZm9yIHRoaXMgYXJlIHBlcmZvcm1hbmNlIGlzc3VlcyB0aGF0Cj4gICAg ICBoYXZlIGJlZW4gZm91bmQgYnkgQW5kcmV3IHdpdGggdGhlIHByZXZpb3VzIHZlcnNpb24uCj4g djI6IFZhcmlvdXMgY2hhbmdlcyB0byBwYXRjaGVzIDEgYW5kIDIgLSBzZWUgdGhlcmUuCj4gCj4g WzFdIGh0dHA6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9hcmNoaXZlcy9odG1sL3hlbi1kZXZlbC8y MDE1LTA2L21zZzAzODg4Lmh0bWwKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4u b3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=