1 # SPDX-License-Identifier: GPL-2.0-only
2 config SECURITY_LOADPIN
3 bool "Pin load of kernel files (modules, fw, etc) to one filesystem"
4 depends on SECURITY && BLOCK
6 Any files read through the kernel file reading interface
7 (kernel modules, firmware, kexec images, security policy)
8 can be pinned to the first filesystem used for loading. When
9 enabled, any files that come from other filesystems will be
10 rejected. This is best used on systems without an initrd that
11 have a root filesystem backed by a read-only device such as
14 config SECURITY_LOADPIN_ENFORCE
15 bool "Enforce LoadPin at boot"
16 depends on SECURITY_LOADPIN
18 If selected, LoadPin will enforce pinning at boot. If not
19 selected, it can be enabled at boot with the kernel parameter