[PATCH 1/2] selftests: harness: remove unneeded __constructor_order_last()

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__constructor_order_last() is unneeded.

If __constructor_order_last() is not called on reverse-order systems,
__constructor_order will remain 0 instead of being set to
_CONSTRUCTOR_ORDER_BACKWARD (= -1).

__LIST_APPEND() will still take the 'else' branch, so there is no
difference in the behavior.

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---

 .../selftests/drivers/s390x/uvdevice/test_uvdevice.c   |  6 ------
 tools/testing/selftests/hid/hid_bpf.c                  |  6 ------
 tools/testing/selftests/kselftest_harness.h            | 10 +---------
 tools/testing/selftests/rtc/rtctest.c                  |  7 -------
 4 files changed, 1 insertion(+), 28 deletions(-)

diff --git a/tools/testing/selftests/drivers/s390x/uvdevice/test_uvdevice.c b/tools/testing/selftests/drivers/s390x/uvdevice/test_uvdevice.c
index ea0cdc37b44f..7ee7492138c6 100644
--- a/tools/testing/selftests/drivers/s390x/uvdevice/test_uvdevice.c
+++ b/tools/testing/selftests/drivers/s390x/uvdevice/test_uvdevice.c
@@ -257,12 +257,6 @@ TEST_F(attest_fixture, att_inval_addr)
 	att_inval_addr_test(&self->uvio_attest.meas_addr, _metadata, self);
 }
 
-static void __attribute__((constructor)) __constructor_order_last(void)
-{
-	if (!__constructor_order)
-		__constructor_order = _CONSTRUCTOR_ORDER_BACKWARD;
-}
-
 int main(int argc, char **argv)
 {
 	int fd = open(UV_PATH, O_ACCMODE);
diff --git a/tools/testing/selftests/hid/hid_bpf.c b/tools/testing/selftests/hid/hid_bpf.c
index 2cf96f818f25..f47feef2aced 100644
--- a/tools/testing/selftests/hid/hid_bpf.c
+++ b/tools/testing/selftests/hid/hid_bpf.c
@@ -853,12 +853,6 @@ static int libbpf_print_fn(enum libbpf_print_level level,
 	return 0;
 }
 
-static void __attribute__((constructor)) __constructor_order_last(void)
-{
-	if (!__constructor_order)
-		__constructor_order = _CONSTRUCTOR_ORDER_BACKWARD;
-}
-
 int main(int argc, char **argv)
 {
 	/* Use libbpf 1.0 API mode */
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index ba3ddeda24bf..60c1cf5b0f0d 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -444,12 +444,6 @@
  * Use once to append a main() to the test file.
  */
 #define TEST_HARNESS_MAIN \
-	static void __attribute__((constructor)) \
-	__constructor_order_last(void) \
-	{ \
-		if (!__constructor_order) \
-			__constructor_order = _CONSTRUCTOR_ORDER_BACKWARD; \
-	} \
 	int main(int argc, char **argv) { \
 		return test_harness_run(argc, argv); \
 	}
@@ -846,7 +840,6 @@ static struct __fixture_metadata *__fixture_list = &_fixture_global;
 static int __constructor_order;
 
 #define _CONSTRUCTOR_ORDER_FORWARD   1
-#define _CONSTRUCTOR_ORDER_BACKWARD -1
 
 static inline void __register_fixture(struct __fixture_metadata *f)
 {
@@ -1272,8 +1265,7 @@ static int test_harness_run(int argc, char **argv)
 
 static void __attribute__((constructor)) __constructor_order_first(void)
 {
-	if (!__constructor_order)
-		__constructor_order = _CONSTRUCTOR_ORDER_FORWARD;
+	__constructor_order = _CONSTRUCTOR_ORDER_FORWARD;
 }
 
 #endif  /* __KSELFTEST_HARNESS_H */
diff --git a/tools/testing/selftests/rtc/rtctest.c b/tools/testing/selftests/rtc/rtctest.c
index 63ce02d1d5cc..9647b14b47c5 100644
--- a/tools/testing/selftests/rtc/rtctest.c
+++ b/tools/testing/selftests/rtc/rtctest.c
@@ -410,13 +410,6 @@ TEST_F_TIMEOUT(rtc, alarm_wkalm_set_minute, 65) {
 	ASSERT_EQ(new, secs);
 }
 
-static void __attribute__((constructor))
-__constructor_order_last(void)
-{
-	if (!__constructor_order)
-		__constructor_order = _CONSTRUCTOR_ORDER_BACKWARD;
-}
-
 int main(int argc, char **argv)
 {
 	switch (argc) {
-- 
2.40.1





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