linux-kernel - Re: [PATCH] ima: Use tpm_default_chip() and call TPM functions with a tpm

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Message-Id: <1530706203.3452.74.camel@linux.vnet.ibm.com>
Date:   Wed, 04 Jul 2018 08:10:03 -0400
From:   Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Stefan Berger <stefanb@...ux.vnet.ibm.com>,
        linux-integrity@...r.kernel.org
Cc:     jgg@...pe.ca, linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH] ima: Use tpm_default_chip() and call TPM functions with
 a tpm_chip

On Tue, 2018-07-03 at 19:32 +0300, Jarkko Sakkinen wrote:
> On Mon, 2018-07-02 at 13:00 -0400, Mimi Zohar wrote:
> > On Mon, 2018-07-02 at 11:24 -0400, Stefan Berger wrote:
> > > Rather than accessing the TPM functions by passing a NULL pointer for
> > > the tpm_chip, which causes a lookup for a suitable chip every time, get a
> > > hold of a tpm_chip and access the TPM functions using it. Also get rid of
> > > the ima_used_chip variable and use the new ima_tpm_chip variable instead
> > > for determining whether to call TPM functions.
> > > 
> > > Signed-off-by: Stefan Berger <stefanb@...ux.vnet.ibm.com>
> > > Acked-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> > 
> > Signed-off-by: Mimi Zohar <zohar@...ux.vnet.ibm.com>
> > 
> > Jarkko, would you mind staging this patch with the rest of the patch
> > set?
> 
> Yes, sure, I can do that. Any additional tag?

Thanks, just these.

Mimi