On Thu, Jan 31, 2019 at 02:18:59PM -0500, Mimi Zohar wrote: > Require signed kernel modules on systems with secure boot mode enabled. > > To coordinate between appended kernel module signatures and IMA > signatures, only define an IMA MODULE_CHECK policy rule if > CONFIG_MODULE_SIG is not enabled. > > This patch defines a function named set_module_sig_required() and renames > is_module_sig_enforced() to is_module_sig_enforced_or_required(). The > call to set_module_sig_required() is dependent on CONFIG_IMA_ARCH_POLICY > being enabled. > > Signed-off-by: Mimi Zohar <zohar@xxxxxxxxxxxxx> With respect to interactions with the kernel lockdown patches, this looks better than the patches I saw previously. I don't feel like I know enough about what's going on with IMA to ack the patch, but I feel confident that it's at least not going to break signature enforcement for us. Thanks, Seth