[PATCH v4 4/6] static_call: Move static call selftest to static_call_selftest.c

[Benjamin Gray <bgray@linux.ibm.com>]

These tests are out-of-line only, so moving them to the
their own file allows them to be run when an arch does
not implement inline static calls.

Signed-off-by: Benjamin Gray <bgray@linux.ibm.com>
Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 kernel/Makefile               |  1 +
 kernel/static_call_inline.c   | 43 -----------------------------------
 kernel/static_call_selftest.c | 41 +++++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 43 deletions(-)
 create mode 100644 kernel/static_call_selftest.c

diff --git a/kernel/Makefile b/kernel/Makefile
index 318789c728d3..8ce8beaa3cc0 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -113,6 +113,7 @@ obj-$(CONFIG_KCSAN) += kcsan/
 obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
 obj-$(CONFIG_HAVE_STATIC_CALL) += static_call.o
 obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call_inline.o
+obj-$(CONFIG_STATIC_CALL_SELFTEST) += static_call_selftest.o
 obj-$(CONFIG_CFI_CLANG) += cfi.o
 
 obj-$(CONFIG_PERF_EVENTS) += events/
diff --git a/kernel/static_call_inline.c b/kernel/static_call_inline.c
index dc5665b62814..64d04d054698 100644
--- a/kernel/static_call_inline.c
+++ b/kernel/static_call_inline.c
@@ -498,46 +498,3 @@ int __init static_call_init(void)
 	return 0;
 }
 early_initcall(static_call_init);
-
-#ifdef CONFIG_STATIC_CALL_SELFTEST
-
-static int func_a(int x)
-{
-	return x+1;
-}
-
-static int func_b(int x)
-{
-	return x+2;
-}
-
-DEFINE_STATIC_CALL(sc_selftest, func_a);
-
-static struct static_call_data {
-      int (*func)(int);
-      int val;
-      int expect;
-} static_call_data [] __initdata = {
-      { NULL,   2, 3 },
-      { func_b, 2, 4 },
-      { func_a, 2, 3 }
-};
-
-static int __init test_static_call_init(void)
-{
-      int i;
-
-      for (i = 0; i < ARRAY_SIZE(static_call_data); i++ ) {
-	      struct static_call_data *scd = &static_call_data[i];
-
-              if (scd->func)
-                      static_call_update(sc_selftest, scd->func);
-
-              WARN_ON(static_call(sc_selftest)(scd->val) != scd->expect);
-      }
-
-      return 0;
-}
-early_initcall(test_static_call_init);
-
-#endif /* CONFIG_STATIC_CALL_SELFTEST */
diff --git a/kernel/static_call_selftest.c b/kernel/static_call_selftest.c
new file mode 100644
index 000000000000..246ad89f64eb
--- /dev/null
+++ b/kernel/static_call_selftest.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/static_call.h>
+
+static int func_a(int x)
+{
+	return x+1;
+}
+
+static int func_b(int x)
+{
+	return x+2;
+}
+
+DEFINE_STATIC_CALL(sc_selftest, func_a);
+
+static struct static_call_data {
+	int (*func)(int);
+	int val;
+	int expect;
+} static_call_data [] __initdata = {
+	{ NULL,   2, 3 },
+	{ func_b, 2, 4 },
+	{ func_a, 2, 3 }
+};
+
+static int __init test_static_call_init(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(static_call_data); i++ ) {
+		struct static_call_data *scd = &static_call_data[i];
+
+		if (scd->func)
+			static_call_update(sc_selftest, scd->func);
+
+		WARN_ON(static_call(sc_selftest)(scd->val) != scd->expect);
+	}
+
+	return 0;
+}
+early_initcall(test_static_call_init);
-- 
2.37.3