[PATCH 0/2] Preserve TPM log across kexec

From: Stefan Berger <stefanb@linux.ibm.com>
To: 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,
	Stefan Berger <stefanb@linux.ibm.com>
Subject: [PATCH 0/2] Preserve TPM log across kexec
Date: Wed,  6 Mar 2024 10:55:09 -0500	[thread overview]
Message-ID: <20240306155511.974517-1-stefanb@linux.ibm.com> (raw)

This series resolves an issue on PowerVM and KVM on Power where the memory
the TPM log was held in may become inaccessible or corrupted after a kexec
soft reboot. The solution on these two platforms is to store the whole log
in the device tree because the device tree is preserved across a kexec with
either of the two kexec syscalls.

Regards,
   Stefan

Stefan Berger (2):
  powerpc/prom_init: Replace linux,sml-base/sml-size with linux,sml-log
  tpm: of: If available Use linux,sml-log to get the log and its size

 arch/powerpc/kernel/prom_init.c |  8 ++------
 drivers/char/tpm/eventlog/of.c  | 36 ++++++++++-----------------------
 2 files changed, 13 insertions(+), 31 deletions(-)

-- 
2.43.0