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Re: [Xen-devel] [RFC][PATCH][0/2] Intel(r) Trusted Execution Technology support: Overview
- To: "Nguyen Anh Quynh" <aquynh@xxxxxxxxx>
- From: "Jun Koi" <junkoi2004@xxxxxxxxx>
- Date: Fri, 15 Jun 2007 11:01:10 +0900
- Cc: "List: Xen Developers" <xen-devel@xxxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 14 Jun 2007 18:59:10 -0700
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On 6/14/07, Nguyen Anh Quynh <aquynh@xxxxxxxxx> wrote:
I forward this to xen-devel and hope it can be useful for somebody.
Cheers,
Quynh
---------- Forwarded message ----------
From: Nguyen Anh Quynh <aquynh@xxxxxxxxx>
Date: Jun 14, 2007 8:01 PM
Subject: Re: [Xen-devel] [RFC][PATCH][0/2] Intel(r) Trusted Execution
Technology support: Overview
To: "Cihula, Joseph" <joseph.cihula@xxxxxxxxx>, Jun Koi <junkoi2004@xxxxxxxxx>
Cc: xense-devel@xxxxxxxxxxxxxxxxxxx, Kuniyasu Suzaki <k.suzaki@xxxxxxxxxx>
Hi,
I think it is a good idea to have a way to check for the presence of
TXT in your machine without having to look at BIOS setup.
Enclosed is a small module named "txt". You can compile it, and load
it in ("insmod txt.ko"). Check for the presence of TXT by looking for
the message "TXT chipset and all needed capabilities present" in
output of "dmesg". If you don't see that, your machine doesn't support
TXT. See a little README in the attachment.
Note: load the module inside native Linux kernel, but *not* in Xen.
The module code is shamelessly lifted from Joseph's patch :-)
This module is helpful, and it can detect TXT on my machine. Thanks!
Jun.
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