linux-kernel - Re: [PATCH v5 3/3] tpm: ibmvtpm: Add support for TPM 2

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Date:   Wed, 4 Mar 2020 08:18:07 -0500
From:   Stefan Berger <stefanb@...ux.ibm.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        linux-integrity@...r.kernel.org, aik@...abs.ru,
        david@...son.dropbear.id.au, linux-kernel@...r.kernel.org,
        nayna@...ux.vnet.ibm.com, gcwilson@...ux.ibm.com, jgg@...pe.ca
Subject: Re: [PATCH v5 3/3] tpm: ibmvtpm: Add support for TPM 2

On 3/3/20 3:11 PM, Jarkko Sakkinen wrote:
> On Mon, Mar 02, 2020 at 11:21:27AM -0500, Stefan Berger wrote:
>> On 3/2/20 6:15 AM, Jarkko Sakkinen wrote:
>>> On Thu, Feb 27, 2020 at 10:03:30PM -0500, Stefan Berger wrote:
>>>> From: Stefan Berger <stefanb@...ux.ibm.com>
>>>>
>>>> Support TPM 2 in the IBM vTPM driver. The hypervisor tells us what
>>>> version of TPM is connected through the vio_device_id.
>>> I'd prefer "TPM2" over "TPM 2".
>> Fixed.
>>>> In case a TPM 2 is found, we set the TPM_CHIP_FLAG_TPM2 flag
>>>> and get the command codes attributes table. The driver does
>>>> not need the timeouts and durations, though.
>>> A TPM2 what? TPM2 is not a thing.
>>
>> I don't know what you mean? Is it the word 'found' and it should be
>> 'present' ? Otherwise a TPM2 is a 'thing' / object / device, at least to me.
> TPM2 chip would be better. TPM2 can refer either to the protocol or to a
> chip.

Let's call it 'device', which in this case is a virtual device rather 
than a 'virtual chip.'


    Stefan

>
> /Jarkko