linux-kernel - Re: [PATCH v6 2/7] tpm: add _head suffix to tcg_efi_specid_event and tcg_pcr

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Date:   Sun, 9 Dec 2018 17:40:49 +0530
From:   Nayna Jain <nayna@...ux.ibm.com>
To:     Roberto Sassu <roberto.sassu@...wei.com>,
        jarkko.sakkinen@...ux.intel.com, david.safford@...com,
        monty.wiseman@...com
Cc:     zohar@...ux.ibm.com, linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, silviu.vlasceanu@...wei.com
Subject: Re: [PATCH v6 2/7] tpm: add _head suffix to tcg_efi_specid_event and
 tcg_pcr_event2



On 12/04/2018 01:51 PM, Roberto Sassu wrote:
> TCG defines two structures, TCG_EfiSpecIDEventStruct and TCG_PCR_EVENT2,
> which contain variable-sized arrays in the middle of the definition.
>
> Since these structures are not suitable for type casting, this patch
> removes structure members after the variable-sized arrays and adds the
> _head suffix to the structure name, to indicate that the renamed structures
> do not contain all fields defined by TCG.
>
> Lastly, given that variable-sized arrays are now in the last position, and
> given that the size of the arrays cannot be determined in advance, this
> patch also sets the size of those arrays to zero and removes the definition
> of TPM2_ACTIVE_PCR_BANKS.
>
> Signed-off-by: Roberto Sassu <roberto.sassu@...wei.com>


Tested-by: Nayna Jain <nayna@...ux.ibm.com>

Thanks & Regards,
     - Nayna