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Subject: Re: [PATCH v6 4/7] tpm: modify tpm_pcr_read() definition to pass a
 TPM hash algorithm
To:     Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
        Roberto Sassu <roberto.sassu@huawei.com>
Cc:     zohar@linux.ibm.com, david.safford@ge.com, monty.wiseman@ge.com,
        linux-integrity@vger.kernel.org,
        linux-security-module@vger.kernel.org,
        linux-kernel@vger.kernel.org, silviu.vlasceanu@huawei.com
References: <20181204082138.24600-1-roberto.sassu@huawei.com>
 <20181204082138.24600-5-roberto.sassu@huawei.com>
 <20181204234024.GC1233@linux.intel.com>
From:   Nayna Jain <nayna@linux.ibm.com>
Date:   Thu, 6 Dec 2018 13:44:58 +0530
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On 12/05/2018 05:10 AM, Jarkko Sakkinen wrote:
> On Tue, Dec 04, 2018 at 09:21:35AM +0100, Roberto Sassu wrote:
>> Currently the TPM driver allows other kernel subsystems to read only the
>> SHA1 PCR bank. This patch modifies the parameters of tpm_pcr_read() and
>> tpm2_pcr_read() to pass a tpm_digest structure, which contains the desired
>> hash algorithm. Also, since commit 125a22105410 ("tpm: React correctly to
>> RC_TESTING from TPM 2.0 self tests") removed the call to tpm2_pcr_read(),
>> the new parameter is expected to be always not NULL.
>>
>> Due to the API change, IMA functions have been modified.
>>
>> Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
>> Acked-by: Mimi Zohar <zohar@linux.ibm.com>
> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
>
> Mimi, Nayna, can you help with testing this (because of the IMA change)?

Sure, I will try to do by end of my day tomorrow,

Thanks & Regards,
     - Nayna

>
> /Jarkko
>