From: Jarkko Sakkinen <jarkko@kernel.org>
To: Len Bao <len.bao@gmx.us>
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>,
Mimi Zohar <zohar@linux.ibm.com>,
David Howells <dhowells@redhat.com>,
Paul Moore <paul@paul-moore.com>,
James Morris <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
linux-integrity@vger.kernel.org, keyrings@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] keys/trusted_keys: mark 'migratable' as __ro_after_init
Date: Tue, 19 May 2026 11:15:56 +0300 [thread overview]
Message-ID: <agwcPK0OJIQmm0a1@kernel.org> (raw)
In-Reply-To: <20260516152249.41851-1-len.bao@gmx.us>
On Sat, May 16, 2026 at 03:22:47PM +0000, Len Bao wrote:
> The 'migratable' variable is initialized only during the init phase
> in the 'init_trusted' function and never changed. So, mark it as
> __ro_after_init.
>
> Signed-off-by: Len Bao <len.bao@gmx.us>
> ---
> security/keys/trusted-keys/trusted_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/security/keys/trusted-keys/trusted_core.c b/security/keys/trusted-keys/trusted_core.c
> index 0b142d941..433579365 100644
> --- a/security/keys/trusted-keys/trusted_core.c
> +++ b/security/keys/trusted-keys/trusted_core.c
> @@ -59,7 +59,7 @@ DEFINE_STATIC_CALL_NULL(trusted_key_unseal,
> DEFINE_STATIC_CALL_NULL(trusted_key_get_random,
> *trusted_key_sources[0].ops->get_random);
> static void (*trusted_key_exit)(void);
> -static unsigned char migratable;
> +static unsigned char migratable __ro_after_init;
>
> enum {
> Opt_err,
> --
> 2.43.0
>
Thank you.
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
BR, Jarkko
prev parent reply other threads:[~2026-05-19 8:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-16 15:22 [PATCH] keys/trusted_keys: mark 'migratable' as __ro_after_init Len Bao
2026-05-19 8:15 ` Jarkko Sakkinen [this message]
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