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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B7EFC43142 for ; Mon, 25 Jun 2018 07:39:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 137E72552E for ; Mon, 25 Jun 2018 07:39:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 137E72552E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752516AbeFYHjh (ORCPT ); Mon, 25 Jun 2018 03:39:37 -0400 Received: from mga18.intel.com ([134.134.136.126]:43884 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752094AbeFYHjf (ORCPT ); Mon, 25 Jun 2018 03:39:35 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Jun 2018 00:39:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.51,269,1526367600"; d="scan'208";a="51997656" Received: from jsakkine-mobl1.tm.intel.com (HELO jsakkine-mobl1) ([10.237.50.42]) by orsmga008.jf.intel.com with ESMTP; 25 Jun 2018 00:39:29 -0700 Message-ID: Subject: Re: [intel-sgx-kernel-dev] [PATCH v11 07/13] x86, sgx: detect Intel SGX From: Jarkko Sakkinen To: Andy Lutomirski , Dave Hansen Cc: X86 ML , Platform Driver , Andi Kleen , Greg KH , "Rafael J. Wysocki" , npmccallum@redhat.com, LKML , Ingo Molnar , intel-sgx-kernel-dev@lists.01.org, "H. Peter Anvin" , Vikas Shivappa , Thomas Gleixner , "Kirill A. Shutemov" Date: Mon, 25 Jun 2018 10:39:28 +0300 In-Reply-To: References: <20180608171216.26521-1-jarkko.sakkinen@linux.intel.com> <20180608171216.26521-8-jarkko.sakkinen@linux.intel.com> <4fc3b6b0-6e4b-3d5f-4d54-2bf7539c7a17@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.1-2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2018-06-18 at 14:36 -0700, Andy Lutomirski wrote: > SGX: disabled by firmware > SGX: disabled because CPU does not support flexible launch control > SGX: disabled because firmware does not support flexible launch control > SGX: disabled because the phase of the moon is wrong > SGX: enabled; using SGX1 > SGX: enabled, using SGX2 Makes sense for trouble-shooting (and in that case the check for SGX_ENABLE flag is more appropriate). /Jarkko