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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT 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 0E333C04AB5 for ; Mon, 3 Jun 2019 22:05:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E527626741 for ; Mon, 3 Jun 2019 22:05:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726327AbfFCWFq (ORCPT ); Mon, 3 Jun 2019 18:05:46 -0400 Received: from mga05.intel.com ([192.55.52.43]:46272 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726281AbfFCWFj (ORCPT ); Mon, 3 Jun 2019 18:05:39 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Jun 2019 13:48:04 -0700 X-ExtLoop1: 1 Received: from jgaire-mobl.ger.corp.intel.com (HELO localhost) ([10.252.20.169]) by orsmga001.jf.intel.com with ESMTP; 03 Jun 2019 13:47:50 -0700 Date: Mon, 3 Jun 2019 23:47:49 +0300 From: Jarkko Sakkinen To: Stephen Smalley Cc: Andy Lutomirski , "Xing, Cedric" , "Christopherson, Sean J" , William Roberts , James Morris , "Serge E. Hallyn" , LSM List , Paul Moore , Eric Paris , "selinux@vger.kernel.org" , Jethro Beekman , "Hansen, Dave" , Thomas Gleixner , "Dr. Greg" , Linus Torvalds , LKML , X86 ML , "linux-sgx@vger.kernel.org" , Andrew Morton , "nhorman@redhat.com" , "npmccallum@redhat.com" , "Ayoun, Serge" , "Katz-zamir, Shay" , "Huang, Haitao" , Andy Shevchenko , "Svahn, Kai" , Borislav Petkov , Josh Triplett , "Huang, Kai" , David Rientjes Subject: Re: SGX vs LSM (Re: [PATCH v20 00/28] Intel SGX1 support) Message-ID: <20190603204749.GD4894@linux.intel.com> References: <683B5E3D-AFB6-4B45-8D39-B00847312209@amacapital.net> <960B34DE67B9E140824F1DCDEC400C0F654E965F@ORSMSX116.amr.corp.intel.com> <960B34DE67B9E140824F1DCDEC400C0F654E9824@ORSMSX116.amr.corp.intel.com> <20190528202407.GB13158@linux.intel.com> <285f279f-b500-27f0-ab42-fb1dbcc5ab18@tycho.nsa.gov> <960B34DE67B9E140824F1DCDEC400C0F654EB487@ORSMSX116.amr.corp.intel.com> <678a37af-797d-7bd5-a406-32548a270e3d@tycho.nsa.gov> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-sgx-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sgx@vger.kernel.org On Thu, May 30, 2019 at 11:04:24AM -0400, Stephen Smalley wrote: > Does this occur for both setting initial permissions and runtime permissions > or just runtime? Both userspace- and driver-initiated mmap/mprotect > operations or just userspace-initiated ones? Does the driver use interfaces > that call the mmap/mprotect hooks or lower level functions? The driver never initiates mmap() or mprotect(). /Jarkko