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From: Jarkko Sakkinen <jarkko@kernel.org>
To: linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Jarkko Sakkinen <jarkko@kernel.org>,
	Vlastimil Babka <vbabka@suse.cz>,
	"Jason A . Donenfeld" <Jason@zx2c4.com>,
	Jason Gunthorpe <jgg@ziepe.ca>
Subject: [PATCH 0/2] Fix TPM 1.2 resume
Date: Wed, 26 Apr 2023 20:29:26 +0300	[thread overview]
Message-ID: <20230426172928.3963287-1-jarkko@kernel.org> (raw)

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(-)

-- 
2.39.2


             reply	other threads:[~2023-04-26 17:29 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-26 17:29 Jarkko Sakkinen [this message]
2023-04-26 17:29 ` [PATCH 1/2] tpm_tis: Use tpm_chip_{start,stop} decoration inside tpm_tis_resume Jarkko Sakkinen
2023-04-27 15:11   ` Jerry Snitselaar
2023-04-26 17:29 ` [PATCH 2/2] tpm: Prevent hwrng from activating during resume Jarkko Sakkinen
2023-04-27 18:27   ` Jerry Snitselaar
2023-04-28 13:41     ` Jarkko Sakkinen

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