linux-kernel - Re: [PATCH 2/2] tpm: of: If available Use linux,sml-log to get the log and its size

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Date: Thu, 7 Mar 2024 10:00:53 -0500
From: Stefan Berger <stefanb@...ux.ibm.com>
To: Michael Ellerman <mpe@...erman.id.au>, linux-integrity@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org
Cc: linux-kernel@...r.kernel.org, jarkko@...nel.org, rnsastry@...ux.ibm.com,
        peterhuewe@....de, viparash@...ibm.com
Subject: Re: [PATCH 2/2] tpm: of: If available Use linux,sml-log to get the
 log and its size



On 3/7/24 05:42, Michael Ellerman wrote:
> Stefan Berger <stefanb@...ux.ibm.com> writes:
>> If linux,sml-log is available use it to get the TPM log rather than the
>> pointer found in linux,sml-base. This resolves an issue on PowerVM and KVM
>> on Power where after a kexec the memory pointed to by linux,sml-base may
>> have been corrupted. Also, linux,sml-log has replaced linux,sml-base and
>> linux,sml-size on these two platforms.
> 
> It would be good to mention that powernv platforms (sometimes called
> Open Power or bare metal) still use linux,sml-base/size, via skiboot.

Will do in v2.