From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: [PATCH for-4.7] x86/compat: Cleanup and further debugging of SMAP/SMEP fixup Date: Mon, 16 May 2016 12:07:31 +0100 Message-ID: <20160516110731.GL8974@citrix.com> References: <1463395771-16001-1-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1463395771-16001-1-git-send-email-andrew.cooper3@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrew Cooper Cc: Wei Liu , Jan Beulich , Xen-devel List-Id: xen-devel@lists.xenproject.org T24gTW9uLCBNYXkgMTYsIDIwMTYgYXQgMTE6NDk6MzFBTSArMDEwMCwgQW5kcmV3IENvb3BlciB3 cm90ZToKPiAgKiBBYnN0cmFjdCAoWDg2X0NSNF9TTUVQIHwgWDg2X0NSNF9TTUFQKSBiZWhpbmQg WEVOX0NSNF9QVjMyX0JJVFMgdG8gYXZvaWQKPiAgICBvcGVuY29kaW5nIHRoZSBpbnZpZGlhbCBi aXRzIHdoaWNoIGFyZSBmaXhlZCB1cCBiZWhpbmQgYSAzMmJpdCBQViBndWVzdHMKPiAgICBiYWNr Lgo+ICAqIEluIHRoZSBkZWJ1ZyBjYXNlLCBwZXJmb3JtIHRoZSB0aGUgQU5EIGFuZCBDTVAgb24g NjRiaXQgdmFsdWVzIHJhdGhlciB0aGFuCj4gICAgMzJiaXQgdmFsdWVzLCB0byBtYXRjaCB0aGUg bG9naWMgaW4gdGhlbiBub24tZGVidWcgY2FzZS4KPiAgKiBTaG93IGNyNF9wdjMyX21hc2sgaW4g dGhlIEJVRyByZWdpc3RlciBkdW1wCj4gCj4gU2lnbmVkLW9mZi1ieTogQW5kcmV3IENvb3BlciA8 YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4KClJldmlld2VkLWJ5OiBXZWkgTGl1IDx3ZWkubGl1 MkBjaXRyaXguY29tPgpSZWxlYXNlLWFja2VkLWJ5OiBXZWkgTGl1IDx3ZWkubGl1MkBjaXRyaXgu Y29tPgoKPiAtLS0KPiBDQzogSmFuIEJldWxpY2ggPEpCZXVsaWNoQHN1c2UuY29tPgo+IENDOiBX ZWkgTGl1IDx3ZWkubGl1MkBjaXRyaXguY29tPgo+IC0tLQo+ICB4ZW4vYXJjaC94ODYvc2V0dXAu YyAgICAgICAgICAgICAgIHwgMiArLQo+ICB4ZW4vYXJjaC94ODYveDg2XzY0L2NvbXBhdC9lbnRy eS5TIHwgOCArKysrKy0tLQo+ICB4ZW4vaW5jbHVkZS9hc20teDg2L3Byb2Nlc3Nvci5oICAgIHwg MiArKwo+ICAzIGZpbGVzIGNoYW5nZWQsIDggaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkK PiAKPiBkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L3NldHVwLmMgYi94ZW4vYXJjaC94ODYvc2V0 dXAuYwo+IGluZGV4IDRjMmQwMWEuLmRlNjgyZTcgMTAwNjQ0Cj4gLS0tIGEveGVuL2FyY2gveDg2 L3NldHVwLmMKPiArKysgYi94ZW4vYXJjaC94ODYvc2V0dXAuYwo+IEBAIC0xNDAwLDcgKzE0MDAs NyBAQCB2b2lkIF9faW5pdCBub3JldHVybiBfX3N0YXJ0X3hlbih1bnNpZ25lZCBsb25nIG1iaV9w KQo+ICAgICAgaWYgKCBjcHVfaGFzX3NtYXAgKQo+ICAgICAgICAgIHNldF9pbl9jcjQoWDg2X0NS NF9TTUFQKTsKPiAgCj4gLSAgICBjcjRfcHYzMl9tYXNrID0gbW11X2NyNF9mZWF0dXJlcyAmIChY ODZfQ1I0X1NNRVAgfCBYODZfQ1I0X1NNQVApOwo+ICsgICAgY3I0X3B2MzJfbWFzayA9IG1tdV9j cjRfZmVhdHVyZXMgJiBYRU5fQ1I0X1BWMzJfQklUUzsKPiAgCj4gICAgICBpZiAoIGNwdV9oYXNf ZnNnc2Jhc2UgKQo+ICAgICAgICAgIHNldF9pbl9jcjQoWDg2X0NSNF9GU0dTQkFTRSk7Cj4gZGlm ZiAtLWdpdCBhL3hlbi9hcmNoL3g4Ni94ODZfNjQvY29tcGF0L2VudHJ5LlMgYi94ZW4vYXJjaC94 ODYveDg2XzY0L2NvbXBhdC9lbnRyeS5TCj4gaW5kZXggZGJjMzk4NC4uZWU3MmVjZSAxMDA2NDQK PiAtLS0gYS94ZW4vYXJjaC94ODYveDg2XzY0L2NvbXBhdC9lbnRyeS5TCj4gKysrIGIveGVuL2Fy Y2gveDg2L3g4Nl82NC9jb21wYXQvZW50cnkuUwo+IEBAIC0yMDQsNyArMjA0LDcgQEAgRU5UUlko Y3I0X3B2MzJfcmVzdG9yZSkKPiAgICAgICAgICBwdXNoICAlcmR4Cj4gICAgICAgICAgR0VUX0NQ VUlORk9fRklFTEQoY3I0LCBkeCkKPiAgICAgICAgICBtb3YgICAoJXJkeCksICVyYXgKPiAtICAg ICAgICB0ZXN0ICAkWDg2X0NSNF9TTUVQfFg4Nl9DUjRfU01BUCwlZWF4Cj4gKyAgICAgICAgdGVz dCAgJFhFTl9DUjRfUFYzMl9CSVRTLCAlZWF4Cj4gICAgICAgICAgam56ICAgMGYKPiAgICAgICAg ICBvciAgICBjcjRfcHYzMl9tYXNrKCVyaXApLCAlcmF4Cj4gICAgICAgICAgbW92ICAgJXJheCwg JWNyNAo+IEBAIC0yMTUsOSArMjE1LDExIEBAIEVOVFJZKGNyNF9wdjMyX3Jlc3RvcmUpCj4gICNp Zm5kZWYgTkRFQlVHCj4gICAgICAgICAgLyogQ2hlY2sgdGhhdCBfYWxsXyBvZiB0aGUgYml0cyBp bnRlbmRlZCB0byBiZSBzZXQgYWN0dWFsbHkgYXJlLiAqLwo+ICAgICAgICAgIG1vdiAgICVjcjQs ICVyYXgKPiAtICAgICAgICBhbmQgICBjcjRfcHYzMl9tYXNrKCVyaXApLCAlZWF4Cj4gLSAgICAg ICAgY21wICAgY3I0X3B2MzJfbWFzayglcmlwKSwgJWVheAo+ICsgICAgICAgIGFuZCAgIGNyNF9w djMyX21hc2soJXJpcCksICVyYXgKPiArICAgICAgICBjbXAgICBjcjRfcHYzMl9tYXNrKCVyaXAp LCAlcmF4Cj4gICAgICAgICAgamUgICAgMWYKPiArICAgICAgICAvKiBDYXVzZSBjcjRfcHYzMl9t YXNrIHRvIGJlIHZpc2libGUgaW4gdGhlIEJVRyByZWdpc3RlciBkdW1wLiAqLwo+ICsgICAgICAg IG1vdiAgIGNyNF9wdjMyX21hc2soJXJpcCksICVyZHgKPiAgICAgICAgICBCVUcKPiAgMToKPiAg I2VuZGlmCj4gZGlmZiAtLWdpdCBhL3hlbi9pbmNsdWRlL2FzbS14ODYvcHJvY2Vzc29yLmggYi94 ZW4vaW5jbHVkZS9hc20teDg2L3Byb2Nlc3Nvci5oCj4gaW5kZXggNGE2YWYwZi4uZGRhYWYyZGUg MTAwNjQ0Cj4gLS0tIGEveGVuL2luY2x1ZGUvYXNtLXg4Ni9wcm9jZXNzb3IuaAo+ICsrKyBiL3hl bi9pbmNsdWRlL2FzbS14ODYvcHJvY2Vzc29yLmgKPiBAQCAtMTUxLDYgKzE1MSw4IEBACj4gIAo+ ICAjZGVmaW5lIFhFTl9NSU5JTUFMX0NSNCAoWDg2X0NSNF9QR0UgfCBYODZfQ1I0X1BBRSkKPiAg Cj4gKyNkZWZpbmUgWEVOX0NSNF9QVjMyX0JJVFMgKFg4Nl9DUjRfU01FUHxYODZfQ1I0X1NNQVAp Cj4gKwo+ICAjZGVmaW5lIFhFTl9TWVNDQUxMX01BU0sgKFg4Nl9FRkxBR1NfQUN8WDg2X0VGTEFH U19WTXxYODZfRUZMQUdTX1JGfCAgICBcCj4gICAgICAgICAgICAgICAgICAgICAgICAgICAgWDg2 X0VGTEFHU19OVHxYODZfRUZMQUdTX0RGfFg4Nl9FRkxBR1NfSUZ8ICAgIFwKPiAgICAgICAgICAg ICAgICAgICAgICAgICAgICBYODZfRUZMQUdTX1RGKQo+IC0tIAo+IDIuMS40Cj4gCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGlu ZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1k ZXZlbAo=