Commit 7ae60ff0 authored by Josh Poimboeuf's avatar Josh Poimboeuf
Browse files

livepatch: Add CONFIG_KLP_BUILD 



In preparation for introducing klp-build, add a new CONFIG_KLP_BUILD
option.  The initial version will only be supported on x86-64.

Acked-by: default avatarPetr Mladek <pmladek@suse.com>
Tested-by: default avatarJoe Lawrence <joe.lawrence@redhat.com>
Signed-off-by: default avatarJosh Poimboeuf <jpoimboe@kernel.org>
parent 164c9201

arch/x86/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -261,6 +261,7 @@ config X86 
	select HAVE_FUNCTION_ERROR_INJECTION

	select HAVE_KRETPROBES

	select HAVE_RETHOOK

	select HAVE_KLP_BUILD			if X86_64

	select HAVE_LIVEPATCH			if X86_64

	select HAVE_MIXED_BREAKPOINTS_REGS

	select HAVE_MOD_ARCH_SPECIFIC

kernel/livepatch/Kconfig

+12 −0
Original line number Diff line number Diff line
@@ -18,3 +18,15 @@ config LIVEPATCH 
	  module uses the interface provided by this option to register

	  a patch, causing calls to patched functions to be redirected

	  to new function code contained in the patch module.



config HAVE_KLP_BUILD

	bool

	help

	  Arch supports klp-build



config KLP_BUILD

	def_bool y

	depends on LIVEPATCH && HAVE_KLP_BUILD

	select OBJTOOL

	help

	  Enable klp-build support