linux-kernel - RE: [PATCH 0/4] Intel TXT driver

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Message-ID: <9E0BE1322F2F2246BD820DA9FC397ADE9AAC26@SHSMSX102.ccr.corp.intel.com>
Date:	Thu, 9 May 2013 08:19:51 +0000
From:	"Ren, Qiaowei" <qiaowei.ren@...el.com>
To:	Matthew Garrett <matthew.garrett@...ula.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"platform-driver-x86@...r.kernel.org" 
	<platform-driver-x86@...r.kernel.org>
Subject: RE: [PATCH 0/4] Intel TXT driver

On 2013-05-08, Matthew Garrett wrote:
> On Tue, 2013-05-07 at 22:55 +0800, Qiaowei Ren wrote:
>> This module is expected to be a better tool to access below resources
>>   - TXT config space
>>   - Tboot log mem
>>   - SMX parameter
> 
> What's SMX?

Safer Mode Extensions (SMX) provide a programming interface for system software to establish a measured environment within the platform to support trust decisions by end users. SMX functionality is provided in an Intel 64 processor through the GETSEC instruction via leaf functions.

Thanks,
Qiaowei