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
