Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964798AbcDYUBa (ORCPT ); Mon, 25 Apr 2016 16:01:30 -0400 Received: from mga09.intel.com ([134.134.136.24]:37839 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933390AbcDYUB3 (ORCPT ); Mon, 25 Apr 2016 16:01:29 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,534,1455004800"; d="scan'208";a="939925661" From: Andi Kleen To: Jarkko Sakkinen Cc: gregkh@linuxfoundation.org, "open list\:STAGING SUBSYSTEM" , open list Subject: Re: [PATCH 6/6] intel_sgx: TODO file for the staging area References: <1461605698-12385-1-git-send-email-jarkko.sakkinen@linux.intel.com> <1461605698-12385-7-git-send-email-jarkko.sakkinen@linux.intel.com> Date: Mon, 25 Apr 2016 13:01:24 -0700 In-Reply-To: <1461605698-12385-7-git-send-email-jarkko.sakkinen@linux.intel.com> (Jarkko Sakkinen's message of "Mon, 25 Apr 2016 20:34:13 +0300") Message-ID: <8760v55ugb.fsf@tassilo.jf.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1227 Lines: 38 Jarkko Sakkinen writes: > diff --git a/drivers/staging/intel_sgx/TODO b/drivers/staging/intel_sgx/TODO > new file mode 100644 > index 0000000..05f68c2 > --- /dev/null > +++ b/drivers/staging/intel_sgx/TODO > @@ -0,0 +1,25 @@ > +Documentation > +============= > + > +* Improve Documents/x86/intel-sgx.txt based on the feedback and > + questions that pop up. > + > +Internals > +========= > + > +* Move structures needed by the allocator to arch/x86/include/asm/sgx.h > +* Move EPC page allocation and eviction code to arch/x86/mm as they > + will shared with virtualization code. > +* Move enclave management functions to arch/x86/mm as they will be > + shared with virtualization code. > +* Use reserve_memtype() in order to add EPC to the PAT memtype list > + with WB caching. > +* Implement proper recovery code for the pager for cases when > + ETRACK/EBLOCK/EWB fails instead of BUG_ON(). Probably the sanest > + way to recover is to clear TCS PTEs, kick threads out of enclave > + and remove EPC pages. > +* Implement ACPI hot-lug for SGX. - Write proper patch descriptions. Especially how the "new VM" in 3/6 works needs a lot more explanation ... - Add some test code -Andi