livepatch: add support on s390

This is a trivial port from kGraft. Module relocations are not supported yet.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 68b68d7..eba9c1d 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -133,6 +133,7 @@ config S390
        select HAVE_KPROBES
        select HAVE_KRETPROBES
        select HAVE_KVM if 64BIT
+       select HAVE_LIVEPATCH
        select HAVE_MEMBLOCK
        select HAVE_MEMBLOCK_NODE_MAP
        select HAVE_MEMBLOCK_PHYS_MAP
@@ -160,6 +161,8 @@ source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
 
+source "kernel/livepatch/Kconfig"
+
 menu "Processor type and features"
 
 config HAVE_MARCH_Z900_FEATURES

diff --cc arch/s390/include/asm/livepatch.h
Simple merge