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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 3A936C2D0F6 for ; Tue, 12 May 2020 16:52:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1A342206B9 for ; Tue, 12 May 2020 16:52:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729244AbgELQwP (ORCPT ); Tue, 12 May 2020 12:52:15 -0400 Received: from wind.enjellic.com ([76.10.64.91]:43770 "EHLO wind.enjellic.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725987AbgELQwO (ORCPT ); Tue, 12 May 2020 12:52:14 -0400 Received: from wind.enjellic.com (localhost [127.0.0.1]) by wind.enjellic.com (8.15.2/8.15.2) with ESMTP id 04CGpPiZ024098; Tue, 12 May 2020 11:51:25 -0500 Received: (from greg@localhost) by wind.enjellic.com (8.15.2/8.15.2/Submit) id 04CGpOTZ024097; Tue, 12 May 2020 11:51:24 -0500 Date: Tue, 12 May 2020 11:51:24 -0500 From: "Dr. Greg" To: "Hui, Chunyang" Cc: Jarkko Sakkinen , linux-kernel@vger.kernel.org, x86@kernel.org, linux-sgx@vger.kernel.org, akpm@linux-foundation.org, dave.hansen@intel.com, sean.j.christopherson@intel.com, nhorman@redhat.com, npmccallum@redhat.com, haitao.huang@intel.com, andriy.shevchenko@linux.intel.com, tglx@linutronix.de, kai.svahn@intel.com, bp@alien8.de, josh@joshtriplett.org, luto@kernel.org, kai.huang@intel.com, rientjes@google.com, cedric.xing@intel.com, puiterwijk@redhat.com Subject: Re: [PATCH v29 00/20] Intel SGX foundations Message-ID: <20200512165124.GA24058@wind.enjellic.com> Reply-To: "Dr. Greg" References: <20200421215316.56503-1-jarkko.sakkinen@linux.intel.com> <20200512115551.GA84010@sanqian-dev-0.10.0> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200512115551.GA84010@sanqian-dev-0.10.0> User-Agent: Mutt/1.4i X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.3 (wind.enjellic.com [127.0.0.1]); Tue, 12 May 2020 11:51:25 -0500 (CDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 12, 2020 at 07:55:58PM +0800, Hui, Chunyang wrote: > > You can tell if your CPU supports SGX by looking into /proc/cpuinfo: > > > > cat /proc/cpuinfo | grep sgx > > Tested-by: Chunyang Hui > Occlum project (https://github.com/occlum/occlum) is a libOS built > on top of Intel SGX feature. We ran Occlum tests using patch v29 on > SGX hardware with the Flexible Launch Control (FLC) feature and > didn't find any problems. As Occlum core developers, we would like > these patches to be merged soon. Do you use the Intel PSW or your own? Are you using the standard ECALL interface or did the tests run with the new VDSO entry and exception handler? Have a good day. Dr. Greg As always, Dr. Greg Wettstein, Ph.D, Worker Autonomously self-defensive Enjellic Systems Development, LLC IOT platforms and edge devices. 4206 N. 19th Ave. Fargo, ND 58102 PH: 701-281-1686 EMAIL: greg@enjellic.com ------------------------------------------------------------------------------ "I had far rather walk, as I do, in daily terror of eternity, than feel that this was only a children's game in which all of the contestants would get equally worthless prizes in the end." -- T. S. Elliot