From: Mimi Zohar <zohar@linux.ibm.com>
To: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-integrity@vger.kernel.org
Subject: Re: ima_tpm_chip is queried and saved only at IMA init, but never later
Date: Thu, 03 Oct 2019 11:49:19 -0400 [thread overview]
Message-ID: <1570117759.5046.4.camel@linux.ibm.com> (raw)
In-Reply-To: <d5aef823-9428-65d4-c045-c23d3466033e@linux.microsoft.com>
On Thu, 2019-10-03 at 08:40 -0700, Lakshmi Ramasubramanian wrote:
> On 9/24/19 3:37 PM, James Bottomley wrote:
> > On Tue, 2019-09-24 at 15:31 -0700, Lakshmi Ramasubramanian wrote:
> >
> > There has been some discussion that we could, for UEFI systems, use the
> > UEFI runtime drivers for the TPM until the actual driver is inserted
> > but no-one's looked into doing that.
> >
> > James
>
> Can IMA take a dependency on TPM and postpone IMA initialization until a
> TPM device shows up?
IMA is already on the late_initcall(), waiting for the TPM
initialization to complete. How would you define a TPM dependency?
Mimi
>
> Has anyone looked into this?
>
> Thanks,
> -lakshmi
>
>
next prev parent reply other threads:[~2019-10-03 15:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-24 22:31 ima_tpm_chip is queried and saved only at IMA init, but never later Lakshmi Ramasubramanian
2019-09-24 22:37 ` James Bottomley
2019-10-03 15:40 ` Lakshmi Ramasubramanian
2019-10-03 15:49 ` Mimi Zohar [this message]
2019-10-04 0:39 ` Lakshmi Ramasubramanian
2019-10-03 15:58 ` James Bottomley
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