linux-kernel - Re: [PATCH] security: Fix IMA Kconfig for dependencies on ARM64

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Message-Id: <1521134074.3547.629.camel@linux.vnet.ibm.com>
Date:   Thu, 15 Mar 2018 13:14:34 -0400
From:   Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:     James Bottomley <James.Bottomley@...senPartnership.com>,
        "Safford, David (GE Global Research, US)" <david.safford@...com>,
        Jiandi An <anjiandi@...eaurora.org>,
        Jason Gunthorpe <jgg@...pe.ca>
Cc:     "dmitry.kasatkin@...il.com" <dmitry.kasatkin@...il.com>,
        "jmorris@...ei.org" <jmorris@...ei.org>,
        "serge@...lyn.com" <serge@...lyn.com>,
        "linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>,
        "linux-security-module@...r.kernel.org" 
        <linux-security-module@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] security: Fix IMA Kconfig for dependencies on ARM64

On Thu, 2018-03-15 at 10:08 -0700, James Bottomley wrote:
> On Thu, 2018-03-15 at 12:19 -0400, Mimi Zohar wrote:

> > If EFI is extending the TPM, will the events be added to the TPM
> > event log or to the IMA measurement list?
> 
> I'm not proposing any changes to the tpm_pcr_extend API.  At the moment
> it does an extend without logging, so that's what it will do in the EFI
> driver case as well.  That means logging is still the responsibility of
> the caller.

Does EFI support extending multiple TPM banks?

Mimi