[v1] Fix TPM 1.2 resume

[PATCH 0/2] Fix TPM 1.2 resume

Jarkko Sakkinen posted 2 patches 2 years, 7 months ago

Diff against v2
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drivers/char/tpm/tpm-chip.c      |  4 +++
drivers/char/tpm/tpm-interface.c | 10 ++++++++
drivers/char/tpm/tpm_tis_core.c  | 43 ++++++++++++++------------------
include/linux/tpm.h              | 13 +++++-----
4 files changed, 40 insertions(+), 30 deletions(-)

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[PATCH 0/2] Fix TPM 1.2 resume

Posted by Jarkko Sakkinen 2 years, 7 months ago

During TPM 1.2 resume, the first PCR read operation used inside
tpm1_do_selftest() fails. Fix two bugs that can prevent the
operation from working.

Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Link: https://lore.kernel.org/linux-integrity/CS6UJMSTVA4L.FRQ5VL1I1EF4@suppilovahvero/T/#m236d62184229cc035605143fde10933bcde60065

Jarkko Sakkinen (2):
  tpm_tis: Use tpm_chip_{start,stop} decoration inside tpm_tis_resume
  tpm: Prevent hwrng from activating during resume

 drivers/char/tpm/tpm-chip.c      |  4 +++
 drivers/char/tpm/tpm-interface.c | 10 ++++++++
 drivers/char/tpm/tpm_tis_core.c  | 43 ++++++++++++++------------------
 include/linux/tpm.h              | 13 +++++-----
 4 files changed, 40 insertions(+), 30 deletions(-)

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2.39.2