linux-kernel - [RFC PATCH 01/21] selftests/liveupdate: Build tests from the selftests/liveupdate directory

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Message-ID: <20251018000713.677779-2-vipinsh@google.com>
Date: Fri, 17 Oct 2025 17:06:53 -0700
From: Vipin Sharma <vipinsh@...gle.com>
To: bhelgaas@...gle.com, alex.williamson@...hat.com, pasha.tatashin@...een.com, 
	dmatlack@...gle.com, jgg@...pe.ca, graf@...zon.com
Cc: pratyush@...nel.org, gregkh@...uxfoundation.org, chrisl@...nel.org, 
	rppt@...nel.org, skhawaja@...gle.com, parav@...dia.com, saeedm@...dia.com, 
	kevin.tian@...el.com, jrhilke@...gle.com, david@...hat.com, 
	jgowans@...zon.com, dwmw2@...radead.org, epetron@...zon.de, 
	junaids@...gle.com, linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org, 
	kvm@...r.kernel.org, linux-kselftest@...r.kernel.org, 
	Vipin Sharma <vipinsh@...gle.com>
Subject: [RFC PATCH 01/21] selftests/liveupdate: Build tests from the
 selftests/liveupdate directory

Build selftests from liveupdate directory

Signed-off-by: Vipin Sharma <vipinsh@...gle.com>
---
 tools/testing/selftests/liveupdate/.gitignore |  7 ++++--
 tools/testing/selftests/liveupdate/Makefile   | 25 ++++++++++---------
 2 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/tools/testing/selftests/liveupdate/.gitignore b/tools/testing/selftests/liveupdate/.gitignore
index de7ca45d3892..da3a50a32aeb 100644
--- a/tools/testing/selftests/liveupdate/.gitignore
+++ b/tools/testing/selftests/liveupdate/.gitignore
@@ -1,2 +1,5 @@
-/liveupdate
-/luo_multi_kexec
+liveupdate
+luo_multi_kexec
+luo_multi_file
+luo_multi_session
+luo_unreclaimed
diff --git a/tools/testing/selftests/liveupdate/Makefile b/tools/testing/selftests/liveupdate/Makefile
index 25a6dec790bb..fbcacbd1b798 100644
--- a/tools/testing/selftests/liveupdate/Makefile
+++ b/tools/testing/selftests/liveupdate/Makefile
@@ -1,10 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
-KHDR_INCLUDES ?= -I../../../usr/include
-CFLAGS += -Wall -O2 -Wno-unused-function
-CFLAGS += $(KHDR_INCLUDES)
-LDFLAGS += -static
-
 # --- Test Configuration (Edit this section when adding new tests) ---
 LUO_SHARED_SRCS := luo_test_utils.c
 LUO_SHARED_HDRS += luo_test_utils.h
@@ -25,6 +20,12 @@ TEST_GEN_PROGS := $(LUO_MAIN_TESTS)
 
 liveupdate_SOURCES := liveupdate.c $(LUO_SHARED_SRCS)
 
+include ../lib.mk
+
+CFLAGS += -Wall -O2 -Wno-unused-function
+CFLAGS += $(KHDR_INCLUDES)
+LDFLAGS += -static
+
 $(OUTPUT)/liveupdate: $(liveupdate_SOURCES) $(LUO_SHARED_HDRS)
 	$(call msg,LINK,,$@)
 	$(Q)$(LINK.c) $^ $(LDLIBS) -o $@
@@ -33,16 +34,16 @@ $(OUTPUT)/liveupdate: $(liveupdate_SOURCES) $(LUO_SHARED_HDRS)
 $(foreach test,$(LUO_MANUAL_TESTS), \
 	$(eval $(test)_SOURCES := $(test).c $(LUO_SHARED_SRCS)))
 
+define BUILD_RULE_TEMPLATE
+$(OUTPUT)/$(1): $($(1)_SOURCES) $(LUO_SHARED_HDRS)
+	$(call msg,LINK,,$$@)
+	$(Q)$(LINK.c) $$^ $(LDLIBS) -o $$@
+	$(Q)chmod +x $$@
+endef
 # This loop automatically generates an explicit build rule for each manual test.
 # It includes dependencies on the shared headers and makes the output
 # executable.
 # Note the use of '$$' to escape automatic variables for the 'eval' command.
 $(foreach test,$(LUO_MANUAL_TESTS), \
-	$(eval $(OUTPUT)/$(test): $($(test)_SOURCES) $(LUO_SHARED_HDRS) \
-		$(call msg,LINK,,$$@) ; \
-		$(Q)$(LINK.c) $$^ $(LDLIBS) -o $$@ ; \
-		$(Q)chmod +x $$@ \
-	) \
+	$(eval $(call BUILD_RULE_TEMPLATE,$(test))) \
 )
-
-include ../lib.mk
-- 
2.51.0.858.gf9c4a03a3a-goog