From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9267BC433F5 for ; Wed, 25 May 2022 15:40:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245185AbiEYPkz (ORCPT ); Wed, 25 May 2022 11:40:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229893AbiEYPkw (ORCPT ); Wed, 25 May 2022 11:40:52 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D6ECA888A for ; Wed, 25 May 2022 08:40:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1653493251; x=1685029251; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=ExtpK2u93fj/Vw+yDc45Q7yrexobp9v2iCuvSvmXu4Y=; b=hmBxo98Q/6hauTeJU0xRcncYbR5WggKwsSnrfaOWTxPZjUA8GKramONN ksVh4Y1WTAxVpRkYELRF4LT6UncjyiQjlZJv4HzggfQYIJ8K+3F+PCCau 0+bdxD++L4SeP0I1+JegMxOmt90p5U4jPOP737in/ymlcwWd3l+0naEyO Bbu+4W9mh9v27hlcxL7IHbNNgEhCXc1WwsRBTOmYfkUJLJFFVUzW2aW3O sFLgKbYiFY7XZWF3q7l10rDHCN0yfYLNCGLgvpWj+iiBaURm0bcaReg+z 9CTz++vUL53jHLaPoCaj/ruYsJ6jI1Pk/xWAw38EOn/rnSDfVKrJpAR8c Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10358"; a="271417911" X-IronPort-AV: E=Sophos;i="5.91,250,1647327600"; d="scan'208";a="271417911" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 May 2022 08:40:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,250,1647327600"; d="scan'208";a="820783663" Received: from fmsmsx602.amr.corp.intel.com ([10.18.126.82]) by fmsmga006.fm.intel.com with ESMTP; 25 May 2022 08:40:51 -0700 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx602.amr.corp.intel.com (10.18.126.82) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Wed, 25 May 2022 08:40:50 -0700 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx610.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Wed, 25 May 2022 08:40:50 -0700 Received: from fmsmsx610.amr.corp.intel.com ([10.18.126.90]) by fmsmsx610.amr.corp.intel.com ([10.18.126.90]) with mapi id 15.01.2308.027; Wed, 25 May 2022 08:40:50 -0700 From: "Luck, Tony" To: Borislav Petkov CC: Peter Zijlstra , X86 ML , LKML Subject: RE: [RFC PATCH 3/3] x86/microcode: Taint and warn on late loading Thread-Topic: [RFC PATCH 3/3] x86/microcode: Taint and warn on late loading Thread-Index: AQHYb9MymCkCxlrsw0uEltRD6R05Oa0vn7QAgAAKeYCAAAHSoIAAgb2A//+M1QA= Date: Wed, 25 May 2022 15:40:50 +0000 Message-ID: References: <20220524185324.28395-1-bp@alien8.de> <20220524185324.28395-4-bp@alien8.de> <20220525065940.GF2578@worktop.programming.kicks-ass.net> <4644ff0530ba40948ed1f0e2e45a24d8@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.6.500.17 x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBZZXMsIHRoZXkgY2FuIGJlIGFzIG1hbnkgYXMgdGhlcmUgYXJlIGxldHRlcnMgaW4gdGhlIGVu Z2xpc2ggYWxwaGFiZXQsDQo+IGl0IHNlZW1zOg0KPg0KPiBzdHJ1Y3QgdGFpbnRfZmxhZyB7DQo+ ICAgICAgICBjaGFyIGNfdHJ1ZTsgICAgLyogY2hhcmFjdGVyIHByaW50ZWQgd2hlbiB0YWludGVk ICovDQo+CV5eXl5eXl5eXl5eXg0KPg0KPiBhbmQgdGhlcmUgYXJlIGFscmVhZHkNCj4NCj4gI2Rl ZmluZSBUQUlOVF9GTEFHU19DT1VOVCAgICAgICAgICAgICAgIDE4DQoNClRoYXQncyB2ZXJ5IDE5 OTAncyB0aGlua2luZy4gV2UgaGF2ZSBVbmljb2RlIGF2YWlsYWJsZSBub3cuDQpXZSBjb3VsZCBz dGFydCB1c2luZyBFbW9qaSBsaWtlIFUrMUY0QTkgYXMgYSB0YWludCBjaGFyYWN0ZXIgOi0pIA0K DQo+IExvb2sgYXQgdGhlIG90aGVyIHRhaW50IGZsYWdzIC0gdGhleSdyZSBzZXQgaW4gYSBidW5j aCBvZiBkaWZmZXJlbnQNCj4gcGxhY2VzIHNvIGl0IGlzIGhhcmQgdG8gdW5hbWJpZ3VvdXNseSBk ZWNpZGUgd2hlcmUgdGhlIHRhaW50IHdhcyBzZXQuIElmDQo+IHdlIHdhbm5hIHVzZSBpdCBmb3Ig ZGVidWdnaW5nLCB0aGVuIHRoZSB0YWludF9mbGFnIHN0cnVjdCBhYm92ZSBzaG91bGQNCj4gcHJv YmFibHkgc2F2ZSB0aGUgY2FsbGVyIGFkZHJlc3Mgd2hpY2ggc2V0IHRoZSB0YWludC4uLiBvciBz b21ldGhpbmcgdG8NCj4gdGhhdCBlZmZlY3QuDQoNClRoYXQgc291bmRzIGJldHRlciB0aGFuIGEg c3RyaW5nIG9mIEVtb2ppIChhbHNvIGJldHRlciB0aGFuIHRoZSBjdXJyZW50DQpzdHJpbmcgb2Yg dXBwZXIgY2FzZSBjaGFyYWN0ZXJzKS4NCg0KLVRvbnkNCg==