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

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Message-ID: <20181204232616.GB1233@linux.intel.com>
Date:   Tue, 4 Dec 2018 15:26:16 -0800
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Roberto Sassu <roberto.sassu@...wei.com>
Cc:     zohar@...ux.ibm.com, david.safford@...com, monty.wiseman@...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 Tue, Dec 04, 2018 at 09:21:33AM +0100, 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>

Thank you, brings up a lot of clarity.

Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>

/Jarkko