linux-kernel - RE: [PATCH v2 2/3] driver: provide sysfs interfaces to access TXT config space

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Date:	Fri, 17 May 2013 08:50:11 +0000
From:	"Ren, Qiaowei" <qiaowei.ren@...el.com>
To:	Pavel Machek <pavel@....cz>
CC:	Matthew Garrett <matthew.garrett@...ula.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"platform-driver-x86@...r.kernel.org" 
	<platform-driver-x86@...r.kernel.org>,
	"Wei, Gang" <gang.wei@...el.com>, Greg KH <greg@...ah.com>
Subject: RE: [PATCH v2 2/3] driver: provide sysfs interfaces to access TXT
 config space

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" <qiaowei.ren@...el.com>
>> +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. :)

Thanks,
Qiaowei
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