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SubjectRe: [PATCH v3 0/3] tpm: Preserve TPM measurement log across kexec (ppc64)
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On 6/28/22 12:58, 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 ppc64. 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
>

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

v2:
- rearranged patches
- fixed compilation issues for x86


> 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/Makefile | 1 +
> drivers/char/tpm/Makefile | 1 +
> drivers/char/tpm/eventlog/of.c | 31 +--
> drivers/char/tpm/eventlog/tpm_of.c | 27 +++
> drivers/of/kexec.c | 293 +++++++++++++++++++++++++----
> include/linux/kexec.h | 6 +
> include/linux/of.h | 8 +-
> include/linux/tpm.h | 5 +
> kernel/kexec_file.c | 6 +
> 9 files changed, 315 insertions(+), 63 deletions(-)
> create mode 100644 drivers/char/tpm/eventlog/tpm_of.c
>

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