Re: [PATCH v8 0/4] tpm: Preserve TPM measurement log across kexec (ppc64)

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Hi Rob,

  can you take this series in your tree?

Regards,
   Stefan

On 9/1/22 17:46, Stefan Berger wrote:
The of-tree subsystem does not currently preserve the IBM vTPM 1.2 and
vTPM 2.0 measurement logs across a kexec on PowerVM and PowerKVM. This
series fixes this for the kexec_file_load() syscall using the flattened
device tree (fdt) to carry the TPM measurement log's buffer across kexec.

    Stefan

v8:
  - Added Jarkko's, Coiby's, and Rob's tags
  - Rebase on v6.0-rc3 that absorbed 2 already upstreamed patches

v7:
  - Added Nageswara's Tested-by tags
  - Added back original comment to inline function and removed Jarkko's R-b tag

v6:
  - Add __init to get_kexec_buffer as suggested by Jonathan
  - Fixed issue detected by kernel test robot

v5:
  - Rebased on 1 more patch that would otherwise create merge conflicts

v4:
  - Rebased on 2 patches that would otherwise create merge conflicts;
    posting these patches in this series with several tags removed so
    krobot can test the series already
  - Changes to individual patches documented in patch descripitons

v3:
  - Moved TPM Open Firmware related function to drivers/char/tpm/eventlog/tpm_of.c

v2:
  - rearranged patches
  - fixed compilation issues for x86

Palmer Dabbelt (1):
   drivers: of: kexec ima: Support 32-bit platforms

Stefan Berger (3):
   tpm: of: Make of-tree specific function commonly available
   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/kexec.c             | 336 ++++++++++++++++++++++++++++-----
  include/linux/kexec.h          |   6 +
  include/linux/of.h             |   9 +-
  include/linux/tpm.h            |  36 ++++
  kernel/kexec_file.c            |   6 +
  6 files changed, 346 insertions(+), 78 deletions(-)


base-commit: b90cb1053190353cc30f0fef0ef1f378ccc063c5



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