Re: [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel has been locked down

[Rafael J. Wysocki]

On Wed, Apr 5, 2017 at 10:16 PM, David Howells <dhowells@xxxxxxxxxx> wrote:
> From: Josh Boyer <jwboyer@xxxxxxxxxx>
>
> This option allows userspace to pass the RSDP address to the kernel, which
> makes it possible for a user to circumvent any restrictions imposed on
> loading modules.  Ignore the option when the kernel is locked down.

I'm not really sure here.

What exactly is the mechanism?

Thanks,
Rafael