Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756582Ab3EQSHk (ORCPT ); Fri, 17 May 2013 14:07:40 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:37620 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752862Ab3EQSHh (ORCPT ); Fri, 17 May 2013 14:07:37 -0400 Date: Fri, 17 May 2013 20:07:35 +0200 From: Pavel Machek To: "Ren, Qiaowei" Cc: Matthew Garrett , "linux-kernel@vger.kernel.org" , "platform-driver-x86@vger.kernel.org" , "Wei, Gang" , Greg KH Subject: Re: [PATCH v2 2/3] driver: provide sysfs interfaces to access TXT config space Message-ID: <20130517180735.GA11631@amd.pavel.ucw.cz> References: <1368465884-14779-1-git-send-email-qiaowei.ren@intel.com> <1368465884-14779-3-git-send-email-qiaowei.ren@intel.com> <20130516160311.GA12299@amd.pavel.ucw.cz> <9E0BE1322F2F2246BD820DA9FC397ADE0135DF81@SHSMSX102.ccr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9E0BE1322F2F2246BD820DA9FC397ADE0135DF81@SHSMSX102.ccr.corp.intel.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1473 Lines: 27 On Fri 2013-05-17 08:50:11, Ren, Qiaowei wrote: > On 2013-05-17, Pavel Machek wrote: > > On Tue 2013-05-14 01:24:43, Qiaowei Ren wrote: > >> +What: /sys/devices/platform/intel_txt/config/STS_raw +Date: May 2013 > >> +KernelVersion: 3.9 +Contact: "Qiaowei Ren" > >> +Description: TXT.STS is the general status register. This read-only > >> register + is used by AC modules and the MLE to get the status of > >> various + Intel TXT features. > > > > This is not enough to allow people to understand what this does/should > > do, nor does it allow (for example) ARM people to implement something compatible. > > Currently TXT is only a technology for safer computing provided by Intel. I am absolutely not sure whether similar technology will be provided on ARM or other platform in future. But I guess I don't have to consider those future possible implementation on ARM or other platform. :) > You still have to properly design the interface and properly document it, so people can understand and test it, and develop compatible implementations. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/