[PATCH v2 2/5] selftests/resctrl: Make resctrl_tests run using kselftest framework

[Shaopeng Tan]

This commit enables resctrl_tests to be built/run in kselftest framework.
Build/run resctrl_tests by building/running all tests of kselftest, or by using
the "TARGETS" variable on the make command line to specify resctrl_tests.
This commit modified the Makefile of kernel kselftest set and
the Makefile of resctrl_tests.

Signed-off-by: Shaopeng Tan <tan.shaopeng@xxxxxxxxxxxxxx>
---
 tools/testing/selftests/Makefile         |  1 +
 tools/testing/selftests/resctrl/Makefile | 20 ++++++--------------
 2 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index c852eb40c4f7..7df397c6893c 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -51,6 +51,7 @@ TARGETS += proc
 TARGETS += pstore
 TARGETS += ptrace
 TARGETS += openat2
+TARGETS += resctrl
 TARGETS += rlimits
 TARGETS += rseq
 TARGETS += rtc
diff --git a/tools/testing/selftests/resctrl/Makefile b/tools/testing/selftests/resctrl/Makefile
index 6bcee2ec91a9..c9e8540fc594 100644
--- a/tools/testing/selftests/resctrl/Makefile
+++ b/tools/testing/selftests/resctrl/Makefile
@@ -1,17 +1,9 @@
-CC = $(CROSS_COMPILE)gcc
-CFLAGS = -g -Wall -O2 -D_FORTIFY_SOURCE=2
-SRCS=$(wildcard *.c)
-OBJS=$(SRCS:.c=.o)
+CFLAGS += -g -Wall -O2 -D_FORTIFY_SOURCE=2
 
-all: resctrl_tests
+TEST_GEN_PROGS := resctrl_tests
+EXTRA_SOURCES := $(wildcard *.c)
 
-$(OBJS): $(SRCS)
-	$(CC) $(CFLAGS) -c $(SRCS)
+all: $(TEST_GEN_PROGS)
 
-resctrl_tests: $(OBJS)
-	$(CC) $(CFLAGS) -o $@ $^
-
-.PHONY: clean
-
-clean:
-	$(RM) $(OBJS) resctrl_tests
+$(TEST_GEN_PROGS): $(EXTRA_SOURCES)
+include ../lib.mk
-- 
2.27.0