[PATCH v7 02/17] integrity: Do not allow machine keyring updates following init

[Mimi Zohar]

On Mon, 2021-11-15 at 19:15 -0500, Eric Snowberg wrote:
> The machine keyring is setup during init.  No additional keys should be
> allowed to be added afterwards.  Leave the permission as read only.
> 
> Signed-off-by: Eric Snowberg <eric.snowberg at oracle.com>

Reviewed-by:  Mimi Zohar <zohar at linux.ibm.com>