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[209.132.180.67]) by mx.google.com with ESMTP id 70si2472185otv.273.2020.04.08.05.21.28; Wed, 08 Apr 2020 05:21:43 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728355AbgDHLRt (ORCPT + 99 others); Wed, 8 Apr 2020 07:17:49 -0400 Received: from eu-smtp-delivery-151.mimecast.com ([207.82.80.151]:30505 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727902AbgDHLRt (ORCPT ); Wed, 8 Apr 2020 07:17:49 -0400 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-238-_IBXjKs1Mlq3tHjJlx31Yg-1; Wed, 08 Apr 2020 12:17:44 +0100 X-MC-Unique: _IBXjKs1Mlq3tHjJlx31Yg-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Wed, 8 Apr 2020 12:17:43 +0100 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Wed, 8 Apr 2020 12:17:43 +0100 From: David Laight To: 'Jan Kiszka' , Peter Zijlstra CC: Steven Rostedt , "tglx@linutronix.de" , "linux-kernel@vger.kernel.org" , "hch@infradead.org" , "sean.j.christopherson@intel.com" , "mingo@redhat.com" , "bp@alien8.de" , "hpa@zytor.com" , "x86@kernel.org" , "kenny@panix.com" , "jeyu@kernel.org" , "rasmus.villemoes@prevas.dk" , "pbonzini@redhat.com" , "fenghua.yu@intel.com" , "xiaoyao.li@intel.com" , "nadav.amit@gmail.com" , "thellstrom@vmware.com" , "tony.luck@intel.com" , "gregkh@linuxfoundation.org" , "jannh@google.com" , "keescook@chromium.org" , "dcovelli@vmware.com" , "mhiramat@kernel.org" , Wolfgang Mauerer Subject: RE: [PATCH 4/4] x86,module: Detect CRn and DRn manipulation Thread-Topic: [PATCH 4/4] x86,module: Detect CRn and DRn manipulation Thread-Index: AQHWDYP6qgl1fjDEE0GOF/TmmkoV06hu88KwgAAN2oCAABEsYA== Date: Wed, 8 Apr 2020 11:17:43 +0000 Message-ID: References: <20200407110236.930134290@infradead.org> <20200407111007.429362016@infradead.org> <20200407174824.5e97a597@gandalf.local.home> <137fe245-69f3-080e-5f2b-207cd218f199@siemens.com> <20200408085138.GQ20713@hirez.programming.kicks-ass.net> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogSmFuIEtpc3prYSANCj4gU2VudDogMDggQXByaWwgMjAyMCAxMjoxMw0KDQo+IA0KPiBP biAwOC4wNC4yMCAxMToyNSwgRGF2aWQgTGFpZ2h0IHdyb3RlOg0KPiA+IEZyb206IEphbiBLaXN6 a2ENCj4gPj4gU2VudDogMDggQXByaWwgMjAyMCAwOTo1OQ0KPiA+IC4uLg0KPiA+PiBBdCB0aGUg cmlzayBvZiBjdXR0aW5nIG91ciBvd24gYnJhbmNoIG9mZjogVGhhdCdzIG5vdCB0aGUgZmlybXdh cmUNCj4gPj4gbG9hZGVyLCBpdCdzIGlvcmVtYXAgd2l0aCBQQUdFX0tFUk5FTF9FWEVDLg0KPiA+ DQo+ID4gWW91IGNvdWxkIGxpbmsgdGhlICdibG9iJyBpbnRvIHRoZSAudGV4dCBwYXJ0IG9mIGEg bm9ybWFsDQo+ID4ga2VybmVsIG1vZHVsZSBhbmQgdGhlbiBsb2FkIHRoYXQuDQo+IA0KPiBTdXJl LCBhbHNvIHBvc3NpYmxlLiBXYXMganVzdCBtb3JlIGNvbnZlbmllbnQgc28gZmFyIHRvIHJlcGxh Y2UgdGhlDQo+IGh5cGVydmlzb3IgYmluYXJ5IHdpdGhvdXQgaGF2aW5nIHRvIHJlY29tcGlsZSB0 aGUgZHJpdmVyIG1vZHVsZS4NCg0KSSB3YXMgdGhpbmtpbmcgb2YgYSBzZXBhcmF0ZSBtb2R1bGUg dGhhdCBjb250YWluZWQgbm90aGluZyBlbHNlLg0KSWYgaXQgZGVwZW5kZWQgb24gdGhlIGRyaXZl ciBpdCdzICdpbml0JyBmdW5jdGlvbiBjb3VsZCBjYWxsIGJhY2sNCmludG8gdGhlIGRyaXZlciBj b2RlIHRvIHBhc3MgYW4gZW50cnlwb2ludCBhcnJheSAoZXRjKS4NCg0KWW91IGNhbiBlYXNpbHkg dG8gYSB2ZXJzaW9uIGNoZWNrIGF0IHRoYXQgcG9pbnQgYXMgd2VsbC4NCg0KCURhdmlkDQoNCi0N ClJlZ2lzdGVyZWQgQWRkcmVzcyBMYWtlc2lkZSwgQnJhbWxleSBSb2FkLCBNb3VudCBGYXJtLCBN aWx0b24gS2V5bmVzLCBNSzEgMVBULCBVSw0KUmVnaXN0cmF0aW9uIE5vOiAxMzk3Mzg2IChXYWxl cykNCg==