linux-kernel - Re: [tpmdd-devel] [PATCH 6/6] tpm

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Message-ID: <20090703202000.GT28124@hexapodia.org>
Date:	Fri, 3 Jul 2009 13:20:01 -0700
From:	Andy Isaacson <adi@...apodia.org>
To:	Marcin Obara <marcin_obara@...rs.sourceforge.net>
Cc:	Andy Isaacson <adi@...are.com>, linux-kernel@...r.kernel.org,
	tpmdd-devel@...ts.sourceforge.net, seiji.munetoh@...il.com,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	Shahbaz Khan <shaz.linux@...il.com>
Subject: Re: [tpmdd-devel] [PATCH 6/6] tpm_tis: add workarounds for iTPM

On Fri, Jul 03, 2009 at 10:10:30PM +0200, Marcin Obara wrote:
> 2009/7/3 Andy Isaacson <adi@...apodia.org>:
> > On Fri, Jul 03, 2009 at 08:18:18PM +0200, Marcin Obara wrote:
> >> Intel iTPM on mobile platforms require this patch.
> >> Intel iTPM on desktop platforms works well without this patch.
> >
> > Please do expand on this -- I don't have access to any iTPM desktop
> > platforms to verify.  Can you provide information on what desktop
> > platforms behave differently so that I can adjust the patch?
> >
> > If you could simply boot a kernel with my patch series on a desktop iTPM
> > and provide the dmesg output, that would be great!
> 
> Intel iTPM with HID:  ICO0102 does not require this patch.
>  (http://lkml.org/lkml/2008/6/28/143)
> 
> Currently, I don't have Q45 platform tested few months ago.

Ah, thanks for the reference.  I may be able to find a Q45+iTPM to test
on.  It would still be very useful to get a dmesg (specifically with
"[PATCH 4/6] tpm_tis: print complete vendor information") to verify the
behavior on the Q45.

-andy
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