From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [PATCH] x86: Lock down MSR writing in secure boot Date: Wed, 13 Feb 2013 05:39:22 +0000 Message-ID: <1360733962.18083.30.camel@x230.lan> References: <1360355671.18083.18.camel@x230.lan> <51157C9C.6030501@zytor.com> <20130208230655.GB28990@pd.tnic> <1360366012.18083.21.camel@x230.lan> <5115A4CC.3080102@zytor.com> <1360373383.18083.23.camel@x230.lan> <20130209092925.GA17728@pd.tnic> <1360422712.18083.24.camel@x230.lan> <511AE2CC.5040705@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <511AE2CC.5040705@zytor.com> Content-Language: en-US Content-ID: Sender: linux-security-module-owner@vger.kernel.org To: "H. Peter Anvin" Cc: Borislav Petkov , Kees Cook , LKML , Thomas Gleixner , Ingo Molnar , "x86@kernel.org" , "linux-efi@vger.kernel.org" , linux-security-module List-Id: linux-efi@vger.kernel.org T24gVHVlLCAyMDEzLTAyLTEyIGF0IDE2OjQ4IC0wODAwLCBILiBQZXRlciBBbnZpbiB3cm90ZToN Cg0KPiBPSy4uLiB3aGF0IG5vbmUgb2YgdGhpcyBnZXRzIGludG86DQo+IA0KPiBXaHkgc2hvdWxk IENBUF9SQVdJTyBiZSBhbGxvd2VkIG9uIGEgc2VjdXJlIGJvb3Qgc3lzdGVtLCB3aGVuIHRoZXJl IGFyZQ0KPiAyXm4ga25vd24gd2F5cyBvZiBjb21wcm9taXNlIGEgc3lzdGVtIHdpdGggQ0FQX1JB V0lPPw0KDQpDQVBfU1lTX1JBV0lPIHNlZW1zIHRvIGhhdmUgZW5kZWQgdXAgYmVpbmcgYSBjYXRj aGFsbCBvZiAiTWF5YmUgc29tZW9uZQ0Kd2hvIGlzbid0IGVudGlyZWx5IHJvb3Qgc2hvdWxkIGJl IGFibGUgdG8gZG8gdGhpcyIsIGFuZCBub3QgZXZlcnl0aGluZw0KaXQgY292ZXJzIGlzIGVxdWl2 YWxlbnQgdG8gYmVpbmcgYWJsZSB0byBjb21wcm9taXNlIHRoZSBydW5uaW5nIGtlcm5lbC4NCkkg d291bGRuJ3QgYXJndWUgd2l0aCB0aGUgaWRlYSB0aGF0IG1heWJlIHdlIHNob3VsZCBqdXN0IHJl YXBwcmFpc2UgbW9zdA0Kb2YgdGhlIGN1cnJlbnQgdXNlcyBvZiBDQVBfU1lTX1JBV0lPLCBidXQg cmVtb3ZpbmcgY2FwYWJpbGl0eSBjaGVja3MNCmZyb20gcGxhY2VzIHRoYXQgY3VycmVudGx5IGhh dmUgdGhlbSBzZWVtcyBsaWtlIGFuIGludml0YXRpb24gZm9yDQp1c2Vyc3BhY2UgYnJlYWthZ2Uu DQo=