linux-kernel - Re: [PATCH v2 0/3] tpm_tis: Clean up force module parameter

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Message-ID: <20151202081423.GB3458@intel.com>
Date:	Wed, 2 Dec 2015 10:14:23 +0200
From:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:	Peter Huewe <peterhuewe@....de>
Cc:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	Martin Wilck <Martin.Wilck@...fujitsu.com>,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Subject: Re: [PATCH v2 0/3] tpm_tis: Clean up force module parameter

On Tue, Dec 01, 2015 at 05:15:14PM -0800, Peter Huewe wrote:
> 
> 
> Am 1. Dezember 2015 14:22:23 PST, schrieb Jason Gunthorpe <jgunthorpe@...idianresearch.com>:
> >On Tue, Dec 01, 2015 at 11:33:51PM +0200, Jarkko Sakkinen wrote:
> >
> >> I went through the patches and didn't see anything that would shock
> >me
> >> enough not to apply the patches in the current if they also work when
> >> tested *but* are these release critical for Linux v4.4?
> >> 
> >> I got a bit confused about the discussion that was going on about
> >"where
> >> to fix the probe" crash whether or not both it should be fixed in
> >both
> >> places.
> >
> >I'm also confused by that..
> >
> >It sounds like force=1 is broken in 4.4 right now - do we care? Should
> >we fix this by using Martin's patch?
> 
> I'm not 100% sure if force=1 is broken in 4.3 as well, as I oops when
> I have my tpm_crb loaded and then call modprobe tpm_tis force=1
> Peter

It'd have to be a different regression because v4.3 does not contain the
change that breaks this in v4.4. You had a NUC with discrete TPM module,
am I remembering right?

/Jarkko
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