Kconfig

 1# SPDX-License-Identifier: GPL-2.0-only
 2config HAVE_LIVEPATCH
 3	bool
 4	help
 5	  Arch supports kernel live patching
 6
 7config LIVEPATCH
 8	bool "Kernel Live Patching"
 9	depends on DYNAMIC_FTRACE_WITH_REGS || DYNAMIC_FTRACE_WITH_ARGS
10	depends on MODULES
11	depends on SYSFS
12	depends on KALLSYMS_ALL
13	depends on HAVE_LIVEPATCH
14	depends on !TRIM_UNUSED_KSYMS
15	help
16	  Say Y here if you want to support kernel live patching.
17	  This option has no runtime impact until a kernel "patch"
18	  module uses the interface provided by this option to register
19	  a patch, causing calls to patched functions to be redirected
20	  to new function code contained in the patch module.
21
22config HAVE_KLP_BUILD
23	bool
24	help
25	  Arch supports klp-build
26
27config KLP_BUILD
28	def_bool y
29	depends on LIVEPATCH && HAVE_KLP_BUILD
30	select OBJTOOL
31	help
32	  Enable klp-build support