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From: Stefan Berger <stefanb@linux.ibm.com>
To: kexec@lists.infradead.org, devicetree@vger.kernel.org,
	linux-integrity@vger.kernel.org
Cc: nayna@linux.ibm.com, nasastry@in.ibm.com,
	Stefan Berger <stefanb@linux.ibm.com>
Subject: [PATCH v2 0/3] tpm: Preserve TPM measurement log across kexec
Date: Thu, 16 Jun 2022 11:41:27 -0400	[thread overview]
Message-ID: <20220616154130.2052541-1-stefanb@linux.ibm.com> (raw)

The of-tree driver does not currently preserve the IBM vTPM 1.2 and
vTPM 2.0 measurement logs across a kexec. This series fixes this for the
kexec_file_load() syscall using the flattened device tree (fdt) to
carry the measurement log's buffer across kexec.

   Stefan

v2:
 - rearranged patches
 - fixed compilation issues for x86

Stefan Berger (3):
  tpm: of: Move of-tree specific code from tpm driver into of driver
  of: kexec: Refactor IMA buffer related functions to make them reusable
  tpm/kexec: Duplicate TPM measurement log in of-tree for kexec

 drivers/char/tpm/eventlog/of.c |  31 +---
 drivers/of/Makefile            |   2 +-
 drivers/of/device_node.c       |  27 +++
 drivers/of/kexec.c             | 293 +++++++++++++++++++++++++++++----
 include/linux/kexec.h          |   6 +
 include/linux/of.h             |   8 +-
 include/linux/of_device_node.h |   9 +
 kernel/kexec_file.c            |   6 +
 8 files changed, 318 insertions(+), 64 deletions(-)
 create mode 100644 drivers/of/device_node.c
 create mode 100644 include/linux/of_device_node.h

-- 
2.35.1


             reply	other threads:[~2022-06-16 15:41 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-16 15:41 Stefan Berger [this message]
2022-06-16 15:41 ` [PATCH v2 1/3] tpm: of: Move of-tree specific code from tpm driver into of driver Stefan Berger
2022-06-27 22:43   ` Rob Herring
2022-06-28 13:29     ` Stefan Berger
2022-06-29  2:45       ` Jarkko Sakkinen
2022-06-29 14:16         ` Stefan Berger
2022-06-30 23:16           ` Jarkko Sakkinen
2022-06-16 15:41 ` [PATCH v2 2/3] of: kexec: Refactor IMA buffer related functions to make them reusable Stefan Berger
2022-06-16 15:41 ` [PATCH v2 3/3] tpm/kexec: Duplicate TPM measurement log in of-tree for kexec Stefan Berger
2022-06-16 20:25   ` kernel test robot
2022-06-28 16:53   ` kernel test robot
2022-06-27 22:33 ` [PATCH v2 0/3] tpm: Preserve TPM measurement log across kexec Rob Herring
2022-06-28 12:45   ` Stefan Berger

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