linux-kernel - [PATCH v6 0/2] Optimize tpm2_read

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Message-Id: <20251207173210.93765-1-jarkko@kernel.org>
Date: Sun,  7 Dec 2025 19:32:08 +0200
From: Jarkko Sakkinen <jarkko@...nel.org>
To: linux-integrity@...r.kernel.org
Cc: tpm2@...ts.linux.dev,
	Jarkko Sakkinen <jarkko@...nel.org>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Mimi Zohar <zohar@...ux.ibm.com>,
	David Howells <dhowells@...hat.com>,
	Paul Moore <paul@...l-moore.com>,
	James Morris <jmorris@...ei.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	keyrings@...r.kernel.org (open list:KEYS-TRUSTED),
	linux-security-module@...r.kernel.org (open list:SECURITY SUBSYSTEM),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v6 0/2] Optimize tpm2_read_public() calls

The main goal is fairly straight-forwrd here.

The aim of these patches is optimize the number of tpm2_read_public()
calls to the bare minimum. The last patch is a bit out of scope but
I included because it builds on top of this work.

Jarkko Sakkinen (2):
  KEYS: trusted: Re-orchestrate tpm2_read_public() calls
  KEYS: trusted: Store parent's name to the encoded keys

 drivers/char/tpm/tpm2-cmd.c               |  86 ++++++++-
 drivers/char/tpm/tpm2-sessions.c          | 156 ++--------------
 include/linux/tpm.h                       |   3 +-
 security/keys/trusted-keys/tpm2key.asn1   |  17 +-
 security/keys/trusted-keys/trusted_tpm2.c | 207 +++++++++++++++-------
 5 files changed, 259 insertions(+), 210 deletions(-)

-- 
2.39.5