linux-kernel - Re: [PATCH v6 7/7] tpm: pass an array of tpm_bank_list structures to tpm_pcr

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Date:   Tue, 4 Dec 2018 16:14:17 -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 7/7] tpm: pass an array of tpm_bank_list structures to
 tpm_pcr_extend()

On Tue, Dec 04, 2018 at 09:21:38AM +0100, Roberto Sassu wrote:
> The new tpm_bank_list structure has been preferred to the tpm_digest
> structure, to let the caller specify the size of the digest (which may be
> unknown to the TPM driver).

Why is that? Didn't previous commit query these?

> +struct tpm_bank_list {
> +	u16 alg_id;
> +	u16 extend_size;
> +	const u8 *extend_array;
> +};

Naming is not good here. If this only for extending shouldn't that
be in the structs name?

/Jarkko