The "Sync framework" test doesn't work if the kernel has no support,
obviously. Rather than reporting a failure, check for the kernel support
by looking for /sys/kernel/debug/sync/sw_sync, and if not found skip the
test.
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
---
tools/testing/selftests/sync/sync_test.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/tools/testing/selftests/sync/sync_test.c b/tools/testing/selftests/sync/sync_test.c
index 9ea08d9f0b13..62fa666e501a 100644
--- a/tools/testing/selftests/sync/sync_test.c
+++ b/tools/testing/selftests/sync/sync_test.c
@@ -29,6 +29,7 @@
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
+#include <sys/stat.h>
#include <sys/wait.h>
#include "synctest.h"
@@ -52,10 +53,22 @@ static int run_test(int (*test)(void), char *name)
exit(test());
}
+static int sync_api_supported(void)
+{
+ struct stat sbuf;
+
+ return 0 == stat("/sys/kernel/debug/sync/sw_sync", &sbuf);
+}
+
int main(void)
{
int err = 0;
+ if (!sync_api_supported()) {
+ printf("SKIP: Sync framework not supported by kernel\n");
+ return 0;
+ }
+
printf("[RUN]\tTesting sync framework\n");
err += RUN_TEST(test_alloc_timeline);
--
2.7.4
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