diff --git a/tools/testing/selftests/liveupdate/.gitignore b/tools/testing/selftests/liveupdate/.gitignore
index cb08ddb0dfee..47c670bf532b 100644
--- a/tools/testing/selftests/liveupdate/.gitignore
+++ b/tools/testing/selftests/liveupdate/.gitignore
@@ -3,6 +3,7 @@
 !/**/
 !*.c
 !*.h
+!*.mk
 !*.sh
 !.gitignore
 !config
diff --git a/tools/testing/selftests/liveupdate/Makefile b/tools/testing/selftests/liveupdate/Makefile
index 30689d22cb02..634211c66652 100644
--- a/tools/testing/selftests/liveupdate/Makefile
+++ b/tools/testing/selftests/liveupdate/Makefile
@@ -1,7 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
-LIB_C += luo_test_utils.c
-
 TEST_GEN_PROGS += liveupdate
 
 TEST_GEN_PROGS_EXTENDED += luo_kexec_simple
@@ -12,25 +10,21 @@ TEST_GEN_PROGS_EXTENDED += luo_stress_files
 TEST_FILES += do_kexec.sh
 
 include ../lib.mk
+include lib/libliveupdate.mk
 
 CFLAGS += $(KHDR_INCLUDES)
 CFLAGS += -Wall -O2 -Wno-unused-function
 CFLAGS += -MD
 
-LIB_O := $(patsubst %.c, $(OUTPUT)/%.o, $(LIB_C))
 TEST_O := $(patsubst %, %.o, $(TEST_GEN_PROGS))
 TEST_O += $(patsubst %, %.o, $(TEST_GEN_PROGS_EXTENDED))
 
-TEST_DEP_FILES := $(patsubst %.o, %.d, $(LIB_O))
+TEST_DEP_FILES := $(patsubst %.o, %.d, $(LIBLIVEUPDATE_O))
 TEST_DEP_FILES += $(patsubst %.o, %.d, $(TEST_O))
 -include $(TEST_DEP_FILES)
 
-$(LIB_O): $(OUTPUT)/%.o: %.c
-	$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c $< -o $@
+$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/%: %.o $(LIBLIVEUPDATE_O)
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) $< $(LIBLIVEUPDATE_O) $(LDLIBS) -o $@
 
-$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/%: %.o $(LIB_O)
-	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) $< $(LIB_O) $(LDLIBS) -o $@
-
-EXTRA_CLEAN += $(LIB_O)
 EXTRA_CLEAN += $(TEST_O)
 EXTRA_CLEAN += $(TEST_DEP_FILES)
diff --git a/tools/testing/selftests/liveupdate/luo_test_utils.h b/tools/testing/selftests/liveupdate/lib/include/libliveupdate.h
similarity index 89%
rename from tools/testing/selftests/liveupdate/luo_test_utils.h
rename to tools/testing/selftests/liveupdate/lib/include/libliveupdate.h
index 49931ab90593..fa07fed08364 100644
--- a/tools/testing/selftests/liveupdate/luo_test_utils.h
+++ b/tools/testing/selftests/liveupdate/lib/include/libliveupdate.h
@@ -7,13 +7,13 @@
  * Utility functions for LUO kselftests.
  */
 
-#ifndef LUO_TEST_UTILS_H
-#define LUO_TEST_UTILS_H
+#ifndef SELFTESTS_LIVEUPDATE_LIB_LIVEUPDATE_H
+#define SELFTESTS_LIVEUPDATE_LIB_LIVEUPDATE_H
 
 #include <errno.h>
 #include <string.h>
 #include <linux/liveupdate.h>
-#include "../kselftest.h"
+#include "../../../kselftest.h"
 
 #define LUO_DEVICE "/dev/liveupdate"
 
@@ -46,4 +46,4 @@ typedef void (*luo_test_stage2_fn)(int luo_fd, int state_session_fd);
 int luo_test(int argc, char *argv[], const char *state_session_name,
 	     luo_test_stage1_fn stage1, luo_test_stage2_fn stage2);
 
-#endif /* LUO_TEST_UTILS_H */
+#endif /* SELFTESTS_LIVEUPDATE_LIB_LIVEUPDATE_H */
diff --git a/tools/testing/selftests/liveupdate/lib/libliveupdate.mk b/tools/testing/selftests/liveupdate/lib/libliveupdate.mk
new file mode 100644
index 000000000000..634cd4c16c47
--- /dev/null
+++ b/tools/testing/selftests/liveupdate/lib/libliveupdate.mk
@@ -0,0 +1,20 @@
+include $(top_srcdir)/scripts/subarch.include
+ARCH ?= $(SUBARCH)
+
+LIBLIVEUPDATE_SRCDIR := $(selfdir)/liveupdate/lib
+
+LIBLIVEUPDATE_C := lu_utils.c
+
+LIBLIVEUPDATE_OUTPUT := $(OUTPUT)/libliveupdate
+
+LIBLIVEUPDATE_O := $(patsubst %.c, $(LIBLIVEUPDATE_OUTPUT)/%.o, $(LIBLIVEUPDATE_C))
+
+CFLAGS += -I$(LIBLIVEUPDATE_SRCDIR)/include
+
+$(LIBLIVEUPDATE_OUTPUT):
+	$(Q)mkdir -p $@
+
+$(LIBLIVEUPDATE_O): $(LIBLIVEUPDATE_OUTPUT)/%.o : $(LIBLIVEUPDATE_SRCDIR)/%.c | $(LIBLIVEUPDATE_OUTPUT)
+	$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c $< -o $@
+
+EXTRA_CLEAN += $(LIBLIVEUPDATE_OUTPUT)
diff --git a/tools/testing/selftests/liveupdate/luo_test_utils.c b/tools/testing/selftests/liveupdate/lib/lu_utils.c
similarity index 99%
rename from tools/testing/selftests/liveupdate/luo_test_utils.c
rename to tools/testing/selftests/liveupdate/lib/lu_utils.c
index 885712a65075..74d41115c281 100644
--- a/tools/testing/selftests/liveupdate/luo_test_utils.c
+++ b/tools/testing/selftests/liveupdate/lib/lu_utils.c
@@ -23,7 +23,7 @@
 #include <stdarg.h>
 #include <linux/unistd.h>
 
-#include "luo_test_utils.h"
+#include <libliveupdate.h>
 
 int luo_open_device(void)
 {
diff --git a/tools/testing/selftests/liveupdate/liveupdate.c b/tools/testing/selftests/liveupdate/liveupdate.c
index 5c7ed2512710..2dedd5fc2534 100644
--- a/tools/testing/selftests/liveupdate/liveupdate.c
+++ b/tools/testing/selftests/liveupdate/liveupdate.c
@@ -24,9 +24,9 @@
 #include <sys/ioctl.h>
 #include <unistd.h>
 
+#include <libliveupdate.h>
 #include <linux/liveupdate.h>
 
-#include "luo_test_utils.h"
 #include "../kselftest.h"
 #include "../kselftest_harness.h"
 
diff --git a/tools/testing/selftests/liveupdate/luo_kexec_simple.c b/tools/testing/selftests/liveupdate/luo_kexec_simple.c
index d7ac1f3dc4cb..786ac93b9ae3 100644
--- a/tools/testing/selftests/liveupdate/luo_kexec_simple.c
+++ b/tools/testing/selftests/liveupdate/luo_kexec_simple.c
@@ -8,7 +8,7 @@
  * across a single kexec reboot.
  */
 
-#include "luo_test_utils.h"
+#include <libliveupdate.h>
 
 #define TEST_SESSION_NAME "test-session"
 #define TEST_MEMFD_TOKEN 0x1A
diff --git a/tools/testing/selftests/liveupdate/luo_multi_session.c b/tools/testing/selftests/liveupdate/luo_multi_session.c
index 0ee2d795beef..aac24a5f5ce3 100644
--- a/tools/testing/selftests/liveupdate/luo_multi_session.c
+++ b/tools/testing/selftests/liveupdate/luo_multi_session.c
@@ -9,7 +9,7 @@
  * files.
  */
 
-#include "luo_test_utils.h"
+#include <libliveupdate.h>
 
 #define SESSION_EMPTY_1 "multi-test-empty-1"
 #define SESSION_EMPTY_2 "multi-test-empty-2"
diff --git a/tools/testing/selftests/liveupdate/luo_stress_files.c b/tools/testing/selftests/liveupdate/luo_stress_files.c
index 0cdf9cd4bac7..a0d48490f4ed 100644
--- a/tools/testing/selftests/liveupdate/luo_stress_files.c
+++ b/tools/testing/selftests/liveupdate/luo_stress_files.c
@@ -10,7 +10,8 @@
 
 #include <stdio.h>
 #include <unistd.h>
-#include "luo_test_utils.h"
+
+#include <libliveupdate.h>
 
 #define NUM_FILES 500
 #define STATE_SESSION_NAME "kexec_many_files_state"
diff --git a/tools/testing/selftests/liveupdate/luo_stress_sessions.c b/tools/testing/selftests/liveupdate/luo_stress_sessions.c
index f201b1839d1d..278aebabe0e9 100644
--- a/tools/testing/selftests/liveupdate/luo_stress_sessions.c
+++ b/tools/testing/selftests/liveupdate/luo_stress_sessions.c
@@ -10,7 +10,8 @@
 
 #include <stdio.h>
 #include <unistd.h>
-#include "luo_test_utils.h"
+
+#include <libliveupdate.h>
 
 #define NUM_SESSIONS 2000
 #define STATE_SESSION_NAME "kexec_many_state"
diff --git a/tools/testing/selftests/liveupdate/vmtest.sh b/tools/testing/selftests/liveupdate/vmtest.sh
index b0000fae1461..64fd2ab55b76 100755
--- a/tools/testing/selftests/liveupdate/vmtest.sh
+++ b/tools/testing/selftests/liveupdate/vmtest.sh
@@ -131,9 +131,9 @@ function mkinitrd() {
 	"$CROSS_COMPILE"gcc -static -O2 -nostdinc -nostdlib \
 		-I "$headers_dir/include" \
 		-I "$kernel_dir/tools/include/nolibc" \
-		-I "$test_dir" \
+		-I "$test_dir/lib/include" \
 		-o "$workspace_dir/test_binary" \
-		"$test_dir/$test_name.c" "$test_dir/luo_test_utils.c"
+		"$test_dir/$test_name.c" "$test_dir/lib/lu_utils.c"
 
 	"$CROSS_COMPILE"gcc -s -static -Os -nostdinc -nostdlib		\
 			-fno-asynchronous-unwind-tables -fno-ident	\