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-rw-r--r--include/asm-generic/spinlock.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-generic/spinlock.h b/include/asm-generic/spinlock.h
new file mode 100644
index 000000000..adaf6acab
--- /dev/null
+++ b/include/asm-generic/spinlock.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_GENERIC_SPINLOCK_H
+#define __ASM_GENERIC_SPINLOCK_H
+/*
+ * You need to implement asm/spinlock.h for SMP support. The generic
+ * version does not handle SMP.
+ */
+#ifdef CONFIG_SMP
+#error need an architecture specific asm/spinlock.h
+#endif
+
+#endif /* __ASM_GENERIC_SPINLOCK_H */