linux-kernel - [PATCH 0/2] Fix TPM 1.2 resume

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Message-Id: <20230426172928.3963287-1-jarkko@kernel.org>
Date:   Wed, 26 Apr 2023 20:29:26 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Jarkko Sakkinen <jarkko@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        "Jason A . Donenfeld" <Jason@...c4.com>,
        Jason Gunthorpe <jgg@...pe.ca>
Subject: [PATCH 0/2] Fix TPM 1.2 resume

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@...e.cz>
Cc: Jason A. Donenfeld <Jason@...c4.com>
Cc: Jason Gunthorpe <jgg@...pe.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(-)

-- 
2.39.2