linux-kernel - Re: [PATCH v6 6/9] ima: make process_buffer

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Message-Id: <1570053883.4421.77.camel@linux.ibm.com>
Date:   Wed, 02 Oct 2019 18:04:43 -0400
From:   Mimi Zohar <zohar@...ux.ibm.com>
To:     Nayna Jain <nayna@...ux.ibm.com>, linuxppc-dev@...abs.org,
        linux-efi@...r.kernel.org, linux-integrity@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Jeremy Kerr <jk@...abs.org>,
        Matthew Garret <matthew.garret@...ula.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Claudio Carvalho <cclaudio@...ux.ibm.com>,
        George Wilson <gcwilson@...ux.ibm.com>,
        Elaine Palmer <erpalmer@...ibm.com>,
        Eric Ricther <erichte@...ux.ibm.com>,
        "Oliver O'Halloran" <oohall@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Prakhar Srivastava <prsriva02@...il.com>
Subject: Re: [PATCH v6 6/9] ima: make process_buffer_measurement() non static

[Cc'ing Prakhar]

On Fri, 2019-09-27 at 10:25 -0400, Nayna Jain wrote:
> To add the support for checking against blacklist, it would be needed
> to add an additional measurement record that identifies the record
> as blacklisted.
> 
> This patch modifies the process_buffer_measurement() and makes it
> non static to be used by blacklist functionality. It modifies the
> function to handle more than just the KEXEC_CMDLINE.
> 
> Signed-off-by: Nayna Jain <nayna@...ux.ibm.com>

Making process_buffer_measurement() non static is the end result, not
the reason for the change.  The reason for changing
process_buffer_measurement() is to make it more generic.  The
blacklist measurement record is the usecase.

Please rewrite the patch description.

thanks,

Mimi