selftests/powerpc: Add support for skipping tests

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

3 files changed, 21 insertions, 1 deletions

diff --git a/tools/testing/selftests/powerpc/harness.c b/tools/testing/selftests/powerpc/harness.c
index 532ddff8a669..8ebc58a09311 100644
--- a/tools/testing/selftests/powerpc/harness.c
+++ b/tools/testing/selftests/powerpc/harness.c
@@ -105,7 +105,10 @@ int test_harness(int (test_function)(void), char *name)
 
         rc = run_test(test_function, name);
 
-        test_finish(name, rc);
+        if (rc == MAGIC_SKIP_RETURN_VALUE)
+                test_skip(name);
+        else
+                test_finish(name, rc);
 
         return rc;
 }
diff --git a/tools/testing/selftests/powerpc/subunit.h b/tools/testing/selftests/powerpc/subunit.h
index 98a22920792d..9c6c4e901ab6 100644
--- a/tools/testing/selftests/powerpc/subunit.h
+++ b/tools/testing/selftests/powerpc/subunit.h
@@ -26,6 +26,11 @@ static inline void test_error(char *name)
         printf("error: %s\n", name);
 }
 
+static inline void test_skip(char *name)
+{
+        printf("skip: %s\n", name);
+}
+
 static inline void test_success(char *name)
 {
         printf("success: %s\n", name);
diff --git a/tools/testing/selftests/powerpc/utils.h b/tools/testing/selftests/powerpc/utils.h
index 0de064406dab..a93777ae0684 100644
--- a/tools/testing/selftests/powerpc/utils.h
+++ b/tools/testing/selftests/powerpc/utils.h
@@ -31,6 +31,18 @@ do {								\
         }                                                       \
 } while (0)
 
+/* The test harness uses this, yes it's gross */
+#define MAGIC_SKIP_RETURN_VALUE 99
+
+#define SKIP_IF(x)                                              \
+do {                                                            \
+        if ((x)) {                                              \
+                fprintf(stderr,                                 \
+                "[SKIP] Test skipped on line %d\n", __LINE__);  \
+                return MAGIC_SKIP_RETURN_VALUE;                 \
+        }                                                       \
+} while (0)
+
 #define _str(s) #s
 #define str(s) _str(s)