linux-kernel - Re: [PATCH v8 02/12] KEYS: trusted: Use get_random_bytes_wait() instead of tpm_get

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Message-ID: <aVfzk6S7bCCjMBtr@kernel.org>
Date: Fri, 2 Jan 2026 18:34:27 +0200
From: Jarkko Sakkinen <jarkko@...nel.org>
To: Jonathan McDowell <noodles@...th.li>
Cc: linux-integrity@...r.kernel.org, Eric Biggers <ebiggers@...nel.org>,
	David Howells <dhowells@...hat.com>,
	Paul Moore <paul@...l-moore.com>, James Morris <jmorris@...ei.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	James Bottomley <James.Bottomley@...senpartnership.com>,
	Mimi Zohar <zohar@...ux.ibm.com>,
	"open list:KEYS/KEYRINGS" <keyrings@...r.kernel.org>,
	"open list:SECURITY SUBSYSTEM" <linux-security-module@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 02/12] KEYS: trusted: Use get_random_bytes_wait()
 instead of tpm_get_random()

On Fri, Dec 19, 2025 at 09:21:46AM +0000, Jonathan McDowell wrote:
> On Tue, Dec 16, 2025 at 11:21:36AM +0200, Jarkko Sakkinen wrote:
> > Substitute remaining tpm_get_random() calls in trusted_tpm1.c with
> > get_random_bytes_wait() thus aligning random number generation for TPM 1.2
> > with the removal of '.get_random' callback.
> 
> Had to double check we wouldn't end up not getting all the randomness we ask
> for, but get_random_bytes_wait does indeed DTRT.
> 
> Reviewed-by: Jonathan McDowell <noodles@...a.com>

Thank you.

BR, Jarkko