Thread (29 messages) 29 messages, 6 authors, 2024-03-12

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

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From: Stefan Berger <stefanb@linux.ibm.com>
Date: 2024-03-07 15:01:40
Also in: linux-integrity, lkml


On 3/7/24 05:42, Michael Ellerman wrote:
Stefan Berger [off-list ref] writes:
quoted
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.
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