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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 29244C4360C for ; Thu, 10 Oct 2019 11:37:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F18B92053B for ; Thu, 10 Oct 2019 11:37:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726478AbfJJLhs (ORCPT ); Thu, 10 Oct 2019 07:37:48 -0400 Received: from mga06.intel.com ([134.134.136.31]:31915 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726298AbfJJLhs (ORCPT ); Thu, 10 Oct 2019 07:37:48 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Oct 2019 04:37:48 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,280,1566889200"; d="scan'208";a="193979038" Received: from jsakkine-mobl1.tm.intel.com (HELO localhost) ([10.237.50.138]) by fmsmga007.fm.intel.com with ESMTP; 10 Oct 2019 04:37:46 -0700 Date: Thu, 10 Oct 2019 14:37:45 +0300 From: Jarkko Sakkinen To: linux-sgx@vger.kernel.org Cc: sean.j.christopherson@intel.com, serge.ayoun@intel.com, shay.katz-zamir@intel.com Subject: x86/sgx: v23-rc2 Message-ID: <20191010113745.GA12842@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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 tag v23-rc2 Tagger: Jarkko Sakkinen Date: Thu Oct 10 14:33:07 2019 +0300 x86/sgx: v23-rc1 patch set * Return -EIO instead of -ECANCELED when ptrace() fails to read a TCS page. * In the reclaimer, pin page before ENCLS[EBLOCK] because pinning can fail (because of OOM) even in legit behaviour and after EBLOCK the reclaiming flow can be only reverted by killing the whole enclave. * Fixed SGX_ATTR_RESERVED_MASK. Bit 7 was marked as reserved while in fact it should have been bit 6 (Table 37-3 in the SDM). * Return -EPERM from SGX_IOC_ENCLAVE_INIT when ENCLS[EINIT] returns an SGX error code. * In v22 __uaccess_begin() was used to pin the source page in __sgx_encl_add_page(). Switch to get_user_pages() in order to avoid deadlock (mmap_sem might get locked twice in the same thread). -----BEGIN PGP SIGNATURE----- iJYEABYIAD4WIQRE6pSOnaBC00OEHEIaerohdGur0gUCXZ8XTyAcamFya2tvLnNh a2tpbmVuQGxpbnV4LmludGVsLmNvbQAKCRAaerohdGur0phXAP9QPYcpyUTSO9hk sG/pV7vsIjS4lO6pxBCgWCtg3/ZkvAEApLCu7mFvyZs3rDcbOlQA+nQiVv+rUwzu tsYmW2YsgQ4= =VeL3 -----END PGP SIGNATURE----- /Jarkko