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From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Stefan Berger <stefanb@linux.ibm.com>
Cc: Stefan Berger <stefanb@linux.vnet.ibm.com>,
	linux-integrity@vger.kernel.org, aik@ozlabs.ru,
	david@gibson.dropbear.id.au, linux-kernel@vger.kernel.org,
	nayna@linux.vnet.ibm.com, gcwilson@linux.ibm.com, jgg@ziepe.ca
Subject: Re: [PATCH v2 3/4] tpm: Implement tpm2_init to call when TPM_OPS_AUTO_STARTUP is not set
Date: Wed, 26 Feb 2020 17:02:55 +0200
Message-ID: <20200226150255.GB3407@linux.intel.com> (raw)
In-Reply-To: <3813980a-6c5e-c99f-7b37-b20b72eb6a8a@linux.ibm.com>

On Tue, Feb 25, 2020 at 01:20:39PM -0500, Stefan Berger wrote:
> On 2/25/20 12:00 PM, Jarkko Sakkinen wrote:
> > On Thu, Feb 13, 2020 at 03:23:28PM -0500, Stefan Berger wrote:
> > > From: Stefan Berger <stefanb@linux.ibm.com>
> > > 
> > > Implement tpm2_init() that gets the TPM 2 timeouts and command durations
> > > and command code attributes. This function is to be called in case the
> > > TPM_OPS_AUTO_STARTUP flag is not set and therefore tpm2_auto_startup()
> > > is not called.
> > > 
> > > Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
> > The commit makes zero effort trying to explain what the heck tpm_init()
> > is and when it should be used and why the function name tpm2_init().
> 
> Are you saying the explanation of when to use tpm2_init above is not enough?
> 'bviously we are trying to cover the case of using the TPM 2 by a driver
> that doesn't use the TPM_OPS_AUTO_STARTUP flag and therefore the TPM 2
> timeouts and command durations and command code attributes are not set as
> they would be if tpm2_auto_startup() was to be called and tpm2_init() is the
> alternative to call. I didn't like tpm2_init() either... any suggestions for
> a better name?

I'm not getting what this commit is trying to do in the first place.

/Jarkko

  reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-13 20:23 [PATCH v2 0/4] Enable vTPM 2.0 for the IBM vTPM driver Stefan Berger
2020-02-13 20:23 ` [PATCH v2 1/4] tpm: of: Handle IBM,vtpm20 case when getting log parameters Stefan Berger
2020-02-25 16:54   ` Jarkko Sakkinen
2020-02-13 20:23 ` [PATCH v2 2/4] tpm: ibmvtpm: Wait for buffer to be set before proceeding Stefan Berger
2020-02-25 16:57   ` Jarkko Sakkinen
2020-02-25 18:14     ` Stefan Berger
2020-02-26 15:00       ` Jarkko Sakkinen
2020-02-13 20:23 ` [PATCH v2 3/4] tpm: Implement tpm2_init to call when TPM_OPS_AUTO_STARTUP is not set Stefan Berger
2020-02-25 17:00   ` Jarkko Sakkinen
2020-02-25 18:20     ` Stefan Berger
2020-02-26 15:02       ` Jarkko Sakkinen [this message]
2020-02-26 17:35         ` Stefan Berger
2020-02-13 20:23 ` [PATCH v2 4/4] tpm: ibmvtpm: Add support for TPM 2 Stefan Berger
2020-02-19 19:23 ` [PATCH v2 0/4] Enable vTPM 2.0 for the IBM vTPM driver Stefan Berger
2020-02-20 19:59   ` Jarkko Sakkinen
2020-02-20 20:00     ` Jarkko Sakkinen

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