From: Stefan Berger <stefanb@linux.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>,
linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org, jarkko@kernel.org,
rnsastry@linux.ibm.com, peterhuewe@gmx.de, viparash@in.ibm.com
Subject: Re: [PATCH 2/2] tpm: of: If available Use linux,sml-log to get the log and its size
Date: Thu, 7 Mar 2024 10:00:53 -0500 [thread overview]
Message-ID: <90a14b5f-6976-4941-a623-ae31dfa33899@linux.ibm.com> (raw)
In-Reply-To: <87h6hinwzw.fsf@mail.lhotse>
On 3/7/24 05:42, Michael Ellerman wrote:
> Stefan Berger <stefanb@linux.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.
next prev parent reply other threads:[~2024-03-07 15:01 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-06 15:55 [PATCH 0/2] Preserve TPM log across kexec Stefan Berger
2024-03-06 15:55 ` [PATCH 1/2] powerpc/prom_init: Replace linux,sml-base/sml-size with linux,sml-log Stefan Berger
2024-03-07 10:41 ` Michael Ellerman
2024-03-07 15:11 ` Stefan Berger
2024-03-07 20:39 ` Conor Dooley
2024-03-07 21:15 ` Stefan Berger
2024-03-07 21:29 ` Conor Dooley
2024-03-07 21:52 ` Rob Herring
2024-03-08 12:23 ` Stefan Berger
2024-03-08 20:57 ` Rob Herring
2024-03-08 21:26 ` Stefan Berger
2024-03-12 10:32 ` Michael Ellerman
2024-03-12 16:22 ` Rob Herring
2024-03-12 19:15 ` Stefan Berger
2024-03-07 20:11 ` Jarkko Sakkinen
2024-03-06 15:55 ` [PATCH 2/2] tpm: of: If available Use linux,sml-log to get the log and its size Stefan Berger
2024-03-07 10:42 ` Michael Ellerman
2024-03-07 15:00 ` Stefan Berger [this message]
2024-03-07 11:35 ` Conor Dooley
2024-03-07 19:57 ` Jarkko Sakkinen
2024-03-07 20:00 ` Jarkko Sakkinen
2024-03-08 12:17 ` Stefan Berger
2024-03-11 20:09 ` Jarkko Sakkinen
2024-03-12 10:35 ` Michael Ellerman
2024-03-12 15:50 ` Jarkko Sakkinen
2024-03-12 19:08 ` Stefan Berger
2024-03-06 16:08 ` [PATCH 0/2] Preserve TPM log across kexec Stefan Berger
2024-03-07 21:42 ` Rob Herring
2024-03-07 22:32 ` Stefan Berger
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