[PATCH v7 0/5] Lazy flush for the auth session

From: Jarkko Sakkinen
Date: Mon Oct 21 2024 - 01:39:39 EST


Cc: David Howells <dhowells@xxxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Cc: Mimi Zohar <zohar@xxxxxxxxxxxxx>
Cc: Roberto Sassu <roberto.sassu@xxxxxxxxxx>
Cc: Stefan Berger <stefanb@xxxxxxxxxxxxx>
Cc: linux-integrity@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219229

v6:
https://lore.kernel.org/linux-integrity/D501D1CY5SJ4.SUKXHV680B30@xxxxxxxxxx/T/#t
v5:
https://lore.kernel.org/linux-integrity/D4WQ58T5O21X.CGFKGFKV630K@xxxxxxxxxx/T/#m527d0466a02abaa448720999ff055de0540e7bb7
v4:
https://lore.kernel.org/linux-integrity/20240918203559.192605-1-jarkko@xxxxxxxxxx/
v3:
https://lore.kernel.org/linux-integrity/20240917154444.702370-1-jarkko@xxxxxxxxxx/
v2:
https://lore.kernel.org/linux-integrity/20240916110714.1396407-1-jarkko@xxxxxxxxxx/
v1:
https://lore.kernel.org/linux-integrity/20240915180448.2030115-1-jarkko@xxxxxxxxxx/

Jarkko Sakkinen (5):
tpm: Return on tpm2_create_null_primary() failure
tpm: Implement tpm2_load_null() rollback
tpm: flush the null key only when /dev/tpm0 is accessed
tpm: Allocate chip->auth in tpm2_start_auth_session()
tpm: flush the auth session only when /dev/tpm0 is open

drivers/char/tpm/tpm-chip.c | 14 ++++
drivers/char/tpm/tpm-dev-common.c | 8 +++
drivers/char/tpm/tpm-interface.c | 10 ++-
drivers/char/tpm/tpm2-cmd.c | 3 +
drivers/char/tpm/tpm2-sessions.c | 115 +++++++++++++++++++-----------
include/linux/tpm.h | 2 +
6 files changed, 108 insertions(+), 44 deletions(-)

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2.47.0