Re: [RFC PATCH 2/2] docs: Update kernel-parameters.txt for signature verification enhancement

From: Randy Dunlap
Date: Fri Sep 15 2023 - 12:00:08 EST




On 9/14/23 04:27, Alessandro Carminati (Red Hat) wrote:
> Update kernel-parameters.txt to reflect new deferred signature
> verification.
> Enhances boot speed by allowing unsigned modules in initrd after
> bootloader check.
>
> Signed-off-by: Alessandro Carminati (Red Hat) <alessandro.carminati@xxxxxxxxx>
> ---
> Documentation/admin-guide/kernel-parameters.txt | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 0c38a8af95ce..beec86f0dd05 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -3410,6 +3410,15 @@
> Note that if CONFIG_MODULE_SIG_FORCE is set, that
> is always true, so this option does nothing.
>
> + module_sig_check_wait=
> + This parameter enables delayed activation of module
> + signature checks, deferring the process until userspace
> + triggers it. Once activated, this setting becomes
> + permanent and cannot be reversed. This feature proves
> + valuable for incorporating unsigned modules within
> + initrd, especially after bootloader verification.
> + By employing this option, boot times can be quicker.
> +

Please keep the entries here in alphabetical order.
This new entry should be after module_blacklist, not before it.
Thanks.

> module_blacklist= [KNL] Do not load a comma-separated list of
> modules. Useful for debugging problem modules.
>

--
~Randy